background image

 7 / 12

1

2

Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. +49 6441 9642-22
E-mail: info@janitza.com
www.janitza.com

www

.janitza.de

Doc. no. 2.061.064.3.d   07/2022  

Item no. 33.03.389

Power Analyzer

UMG 96-PQ-L

Installation manual

Installation and device settings

Deutsche V

ersion 

siehe V

or

derseite

3

2

The device is a multifunctional power analyzer:

•  that measures and calculates electrical 

parameters, such as voltage, current, 
frequency, power, work and harmonics, etc. in 
building installations, on distribution units,
circuit breakers and busbar trunking systems.

•  that displays and saves measurement results 

and transfers them via interfaces.

•  which can optionally record voltage quality 

according to IEC 61000-4-30 Class S. 

4

 Connecting the supply voltage

The level of the supply voltage for your device 
can be found on the type plate. After connecting 
the supply voltage, an indication appears on the 
display. If no display appears, check whether 
the supply voltage is within the nominal voltage 
range.

Procedure in the event of errors

Technical data

Supply voltage

Nominal range

230 V option

AC 90 V - 277 V (50/60 Hz) or

DC 90 V - 250 V, 300 V CATIII

24 V option

AC 24 V - 90 V (50/60 Hz) or

DC 24 V - 90 V, 150 V CATIII

Operating range

+-10% of nominal range

Power consumption

230 V option

: max. 4.5 VA / 2 W

24 V option

: max. 4.5 VA / 2 W

Internal fuse,

not exchangeable

Type T1A / 250 VDC / 277 VAC

according to IEC 60127

Recommended overcurrent 

protection device for the line 

protection

230 V option

: 6 - 16 A

24 V option

: 1 - 6 A

(Char. B) - (IEC-/UL approval)

General information

Net weight

(with attached connectors)

Approx. 250 g (0.55 lb)

Packaging weight

(including accessories)

Approx. 500 g (1.1 lb)

Battery

Type Lithium CR2032, 3 V

(approval according to UL 1642)

Data memory

64 MB

Service life of the backlight

40000 h

(After 40000 h, the backlight is 

reduced to approx. 50%)

Impact resistance

IK07 according to IEC 62262

Transport and storage

The following information applies to devices which are 

transported or stored in the original packaging.
Free fall

1 m (39.37 in)

Temperature

-25 °C (-13 °F) up to

+70 °C (158 °F)

Relative humidity

(non-condensing)

0 to 90% RH

Current measurement

Rated current

5 A

Metering range

0,005 - 6 A 

rms

Crest factor

(based on the rated current)

2 (based on 6 A 

rms

)

Overload for 1 sec.

60 A (sinusoidal)

Resolution

0.1 mA (display 0.001 A)

Overvoltage category

300 V CAT II

Measurement voltage surge

2.5 kV

Power consumption

approx. 0.2 VA (Ri=5 mΩ)

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Fourier-analyse

1. - 65. harmonics

11

13

15

12

Establishing the connection to the PC

The most common connections for the 
communication between the PC and device:

Abb. Back of UMG 96-PQ-L

1.

(gedrehtes Patchkabel)

RS485

PC/

GridVis

®

RS485

RS485

RS232

RS232

2.

(gedrehtes Patchkabel)

USB

RS485

RS485

RS485

USB

PC/

GridVis

®

(gedrehtes Patchkabel)

3.

UMG 604

RS485

Ethernet

RS485

PC/

GridVis

®

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

6

Voltage measurement

5

Network systems

Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):

7

Connection variants for voltage measurement

Three-phase 4-conductor 

system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Three-phase 3-conductor system 

with balanced loads

For each system, 

the power and 

energy of one 

phase are multi-

plied by 3.

One of the neutral 

conductors must 

be connected.

Voltage measurement in the 

three-phase 4-conductor system

Voltage measurement in the 

single-phase 3-conductor 

system

Voltage measurement in the 

single-phase 2-conductor 

system

For balanced 

loads only!

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

8

9

Connection variants for current measurement

Three-phase 4-conductor system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Current measurement via the 

current transformer in the three-

phase 4-conductor system

Current measurement via 2 cur-

rent transformers (Aron circuit) 

in the three-phase-4-conductor 

system

Current measurement in the 

single-phase 3-conductor 

system

Current measurement in the 

single-phase 2-conductor 

system

Voltage measurement

Three-phase 4-conductor 

systems with nominal 

voltages up to

417 V / 720 V (+-10%) according to IEC

347 V / 600 V (+-10%) according to UL

Three-phase 3-conductor 

systems with nominal 

voltages up to

600 V (+10%)

Single-phase 2-conductor 

systems with rated voltages 

up to 

480 V (+-10%)

Overvoltage category

600 V CAT III

Measurement voltage surge 6 kV
Fuse for the voltage 

measurement

1 - 10 A tripping characteristic B 

(with IEC/UL approval)

Measuring range L-N

0

1)

 - 600 Vrms

(max. overvoltage 800 Vrms)

Measuring range L-L

0

1) 

 - 1040 Vrms

(max. overvoltage 1350 Vrms)

Resolution

0.01 V

Crest factor

2.45 (related to the measurement range)

Impedance

3 MΩ/phase

Power consumption

Approx. 0.1 VA

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Frequency of the basic 

oscillation

- resolution

45 Hz - 65 Hz

0.01 Hz

Fourier-analyse

1. - 65. harmonics

1) ...  The device only determines the measured values if voltage 

L1-N is greater than 20 Veff (4-conductor measurement) or 

voltage L1-L2 is greater than 34 Veff (3-conductor measure-

ment) on voltage measurement input V1.

Digital outputs

3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage

Max. 33 V AC, 40 V DC

Switching current

Max. 50 mAeff AC/DC

Response time

Approx. 200 ms

Pulse output (energy pulse)

Max. 50 Hz

Serial interface

RS485 - Modbus RTU/slave

9.6 kbps, 19.2 kbps, 38.4 

kbps, 57.6 kbps, 115.2 kbps

Digital inputs

3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency

20 Hz

Input signal present

18 V - 28 V DC

(typical 4 mA)

Input signal not present 

0 - 5 V DC,

current less than 0.5 mA

Analog output

External power supply

Max. 33V

Current

0 - 20 mA

Update time

1 sec

Load

Max. 300 Ω

Resolution

10 Bit

Line length (digital inputs/outputs)

Up to 30 m (32,81 yd)

Unshielded

Greater than 30 m (32,81 yd)

Shielded

The device is operated via 6 function buttons for

•  selecting measured value displays.
•  Navigation within the menus.
•  Editing device settings.

Key

Function

•  Display 

menu

•  Exit 

menu

•  Cancel action (

ESC

)

•  Switch to start display (

Summary

).

•  Select position (to the left “

”).

•  Confi guration of a measured value 

display as a start display (press until 
message appears).

•  Select menu item or position

(down “

”).

•  Change (selection, number -1).
•  Select menu item or position

(up “

”).

•  Change (selection, 1).

•  Select position (to the right “

”).

•  Confi rm selection (

Enter

).

Operation and button functions

Fig. UMG 96-PQ-L standard display -

measured values display “Summary”

Password confi guration

he measurement device has an option of locking the 
measurement device confi guration with a password. 
After a password confi guration, the measurement 
device requires the password to be entered for any 
change to the measurement device confi guration.

Setting range: 

1-99999   = with password  

 

 

00000 

= factory setting    

 

 

 

   (no password)

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3.  The 

Confi guration

 window appears.

4.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

System

 and confi rm with key 

Enter

.

5.  The 

System

 window appears.

6.  In the 

System

 window, use keys 3 and 4 to select 

the entry 

Password

 and confi rm with key 6 

Enter

.

7.  The numbers for the 

Password

 entry appear in 

“yellow”. 

8.  The keys 2 and 5 are used to select the position 

of the number to be set and keys 3 and 4 are 
used to change the number (-1 / +1).

User manual:

L1

N

17

16

10

14

The device fr

onts may dif

fer!

9.  Confi rm your entries with key 6 

Enter 

or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Confi guring the RS485 connection

Confi guring the current/voltage transformer

As an option to these connection options, an 

ex-

pansion module for the UMG 96-PQ-L

 offers an 

Ethernet interface for communication. Information 
on the expansion module with Ethernet interface 
can be found in the usage information for the 
module.

INFORMATION

Alternatively to the fuse and circuit breaker, 

a miniature circuit breaker can also be used.

INFORMATION

For more information about device features, 

data, assembly, and the battery used in the 

device, see the user manual.

INFORMATION

The current and voltage transformer ratios are 

also confi gured in the device confi guration of 

the GridVis

®

 software!

INFORMATION

You can confi gure the 

voltage and current 

transformer ratios

 via

 · the device menu 

Confi guration

 > 

Measurement

 

Transformer

 

 · the GridVis

®

 software.

You can fi nd more detailed information about the 

current and voltage transformer ratios and their 

settings in the user manual.

If the measurement range is exceeded, the de-

vice display shows the warning message 

Over-

voltage 

or

 Overcurrent 

and specifi es the phase 

(further information in the user manual).

The warning message is acknowledged via key 5 

Alarms

INFORMATION

You can fi nd more detailed information about the 

device operation, displays and key functions in the 

user manual.

INFORMATION

 · The 

UMG 96-PQ-L

 is confi gured ex works 

with the 

password

 

00000

 (no password).

 · The measurement device locks the device 

confi guration for 10 minutes after the 

password is entered incorrectly fi ve times.

 · Note your password and keep it in a safe 

place!

 · You cannot confi gure your device without 

a password. If the password is lost, notify 

the support department of the device 

manufacturer.

Three-phase 3-conductor system

Three-phase 3-conductor system 

(assymetrical load)

Three-phase 3-conductor system 

with a voltage transformer.

Device suitable for TN, TT and IT networks (IT variant)!

L3

L2

L1

V

1

V

2

V

3

V

N

L3

L2

L1

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

Three-phase 3-conductor system

Three-phase 3-conductor systems with balanced loads

The device multiplies the power 

and energy of a phase by a 

factor of 3 to determine the total 

values of the system.

Use only if the load in each sys-

tem is balanced at all times! 

Current measurement via current 

transformers in the three-phase 

3-conductor system

Current measurement via 2 current 

transformers (Aron circuit) in the 

three-phase 3-conductor system

Current measurement in up to 

3  balanced  systems

General information

Disclaimer

It is essential that the information products for the 
devices are observed to ensure safe operation and 
achieve the specifi ed performance characteristics 
and product features. Janitza electronics GmbH 
assumes no liability for personal injuries, property 
damage and fi nancial losses resulting from the 
failure to observe the information products.

Make sure that your information products are 
legible and accessible.

You can fi nd more documentation on our web site 
www.janitza.de under 
Support > Downloads.

Copyright notice

© 2022 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing, 
distribution and any other kind of use, even in part, 
is prohibited.

Subject to technical changes.

•  Make sure that the installation instructions 

match your device.

•  First, make sure you have read and understood 

the document accompanying the product.

•  Keep the documents accompanying the 

product accessible through its service life 
and hand them over to the subsequent owner 
where applicable.

•  Please refer to www.janitza.de for information 

concerning device revisions and the 
associated adjustments to the documentation 
accompanying the product.

 

Disposal

Please observe the national regulations. Dispose 
of individual parts, where necessary, depending 
on the properties and existing country-specifi c 
regulations, e.g. as:

•  Electronic waste
•  Plastic
•  Metal

or commission a certifi ed disposal company with 
the scrapping.

Relevant laws, applied standards and directives

Please refer to the Declaration of Conformity 
on our web site (www.janitza.de) for the laws, 
standards and directives applied by Janitza 
electronics GmbH.

Safety

Safety instructions

The installation instructions do not include 
a complete list of all safety measures necessary 
for operating the device.
Special operating conditions may require 
additional measures. The installation 
instructions contain notes that must be 
observed for your personal safety and 
to prevent property damage.

Symbols used on the device:

The additional symbol on 
the device itself indicates an 
electrical danger that can result 
in serious injuries or death. 
The general warning symbol calls 
attention to possible risks of 
injury. Observe all the instructions 
listed under this symbol in order 
to prevent injuries or even death.

Safety instructions in the installation instructions 
are highlighted with a warning triangle and are 
presented as follows depending on the level of risk:

ATTENTION

Indicates an imminently dangerous situation 

that can result in property damage or 

environmental damage in the event of 

noncompliance.

CAUTION

Indicates a potentially dangerous situation 

that can result in minor injuries or property 

damage.

WARNING

Indicates a potentially dangerous situation 

that can result in serious injuries or death.

DANGER

Indicates an imminent danger that will result 

in serious and/or fatal injuries.

INFORMATION

Points out procedures in which there are 

no

 dangers of personal injuries or property 

damage.

Safety measures

When operating electrical devices, specifi c parts 
of these devices inevitably carry dangerous 
voltage. As a result, serious bodily harm or 
property damage can occur if they are not 
handled correctly:

•  Before connecting the device, ground it at the 

protective conductor terminal if available.

•  Dangerous voltages may be present in all 

circuit parts connected to the voltage supply.

•  There may still be dangerous voltages present 

in the device even after it is disconnected from 
the supply voltage (capacitor storage).

•  Do not operate equipment with open current 

transformer circuits.

•  Do not exceed the threshold values specifi ed 

in the user manual and on the rating plate. This 
must also be observed during inspections and 
commissioning.

•  Observe the safety instructions and warning notices 

in the documents that accompany the devices. 

Qualifi ed personnel

To prevent personal injuries and property damage, 
only qualifi ed personnel with electrical engineering 
training may work on the device. They must also have 
knowledge

•  Of the national accident prevention regulations
•  In safety technology standards
•  In the installation, commissioning and operation of 

the device.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur due 

to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

Before starting work, disconnect your system 

from the power supply. Secure it against 

being switched back on! Verify disconnection 

from power! Ground and short-circuit! Cover 

or block off neighboring parts that are under 

voltage!

Intended use

The device is

•  intended for installation in switching cabinets 

and small installation distributors. The device 
can be installed in any mounting position 
(please observe section 3 “Assembly”).

•  not intended for installation in vehicles! Using 

the device in mobile equipment is considered 
an unusual environmental condition and is 
only permissible by special agreement.

•  not intended for installation in areas exposed 

to harmful oils, acids, gases, vapors, dust 
and radiation, etc.

•  designed as an indoor meter.

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as proper operation 
and maintenance.

Incoming goods inspection

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as careful operation 
and maintenance. 

Exercise caution when unpacking and packing 
the device, without using force and only using 
suitable tools. Check:

•  the device through a visual inspection to 

ensure a fl awless mechanical condition. 

•  the scope of delivery (see user manual) 

before beginning the installation of the 
device.

If you assume that safe operation is no longer 
possible, the device must be shut down 
immediately and prevented from unintended 
re-commissioning. 

It can be assumed that safe operation is no 
longer possible, when, for example, the device:

•  has visible damage, 
•  no longer functions despite an intact power 

supply,

•  was subjected to extended periods of 

unfavorable conditions (e.g. storage outside 
of the permissible climate thresholds 
without adjustment to the room climate, 
condensation, etc.) or transport stress 
(e.g. falling from an elevated position, even 
without visible external damage, etc.).

Brief device description

Install the device in the weather-protected front 
panel of switching cabinets.

Cut-out size:
92

+0.8

 x 92

+0.8

 mm

(3.62

+0.03

 x 3.62

+0.03

 in)

For suffi cient 
ventilation, maintain 
the distances to 
neighboring parts.

Fig. mounting position 

rear view of UMG 96-PA

Assembly

CAUTION

Property damage due to noncompliance with 

the assembly instructions

Noncompliance with the assembly instructions 

can damage or destroy your device.

Ensure suffi cient air circulation in your 

installation environment and, where 

applicable, suffi cient cooling with high 

ambient temperatures.

Fuse 

(UL/IEC listed)

Circuit breaker

N

L

PE/FE

Fig. Supply voltage connection.

Functional  gr

ound

CAUTION

Property damage due to noncompliance of 

the connection conditions or impermissible 

voltage swells!

Noncompliance of the connection conditions 

or exceeding the permissible voltage range 

can damage or destroy your device.

Before you connect the device to the supply 

voltage, please observe the following:

 ·

The voltage and frequency must comply 

with the specifi cations on the rating plate. 

Observe the limit values as described in 

the user manual.

 ·

In building installations, secure the supply 

voltage with a UL/IEC-listed circuit 

breaker/fuse.

 ·

The circuit breaker

 

-

must be easily accessible for the user 

and located in the vicinity of the device.

 

-

must be labeled for the respective 

device.

 ·

Do not tap the supply voltage at the 

voltage transformers.

 ·

Provide a fuse for the neutral conductor 

if the neutral conductor connection is not 

grounded to the source.

The device can be used in 

•  TN and TT networks.
•  residential and industrial sectors.
•  IT networks (IT variant - part no.: 

52360x5).

•  residential and industrial areas.

The device has 3 voltage inputs and is suitable 
for different connection versions.

DANGER

Risk of injury or damage to device.

Noncompliance with the connection conditions 

for the voltage measurement inputs can injure 

you or damage the device. Therefore, please 

observe the following:

 ·

The voltage measurement inputs

 

-

must not be connected to DC current.

 

-

must be provided with a suitable, labeled 

fuse and circuit breaker (alternative:

miniature circuit breaker) in their 

immediate vicinity.

 

-

are dangerous to touch.

 ·

Voltages that exceed the allowed nominal 

network voltages must be connected via 

voltage transformers.

 ·

Measured voltages and measured currents 

must originate from the same network.

“Direct voltage measurement in a three-phase 4-conductor 

system” connection version

The voltage measurement inputs are designed for 
measurements in low-voltage networks in which 
rated voltages occur up to 417 V phase to ground 
and 720 V phase to phase in the 4-conductor 
system.
The measurement voltage surge and surge voltages 
correspond to overvoltage category 600 V CATIII. 

L2
L3

N

L1

1)

 Circuit breaker

2)

 Fuse (UL/IEC-listed)

1)

1)

1)

2)

2)

2)

L2
L3
N

L1

Load

The device

•  is only approved for a current measurement 

using the current transformer.

•  is designed for the connection of current 

transformers with secondary currents 
of ../1 A and ../5 A (current transformer ratio 
set to 5/5 A by default). 

•  measures small DC currents

The current transformers must have basic 
insulation according to IEC 61010-1:2010 for 
the rated voltage of the circuit.

“Current measurement via current transformer” connection

Current measurement I1, I2, I3

WARNING

Electrical currents and voltages!

Open current transformers that are operated 

on the secondary side (high voltage spikes) can 

result in serious personal injuries or even death.

Avoid the open operation of the current 

transformers and short-circuit unloaded 

transformers.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur 

due to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

De-energize your system before beginning 

to work! Secure it against being switched 

back on! Verify disconnection from power! 

Ground and short-circuit! Cover or block 

off neighboring parts that are under voltage! 

Ground the system! 

Use the ground connection point with the 

ground symbol for this. 

Device connection

via interface converter.

Device connection

via interface converter.

Device connection

via a UMG 604 as a gateway.

CAUTION

Property damage due to incorrect network 

settings.

Incorrect network settings can cause faults in 

the IT network!

Consult your network administrator for the 

correct network settings for your device.

The PC connection to the device via the RS485 
serial interface with, e.g. a UMG 604 as the gateway 
(see section “Establishing the connection to the 
PC”) is a method for confi guring the device(s)/
and reading out data.

Correct

Incorrect

Terminal strip 

(Switching cabinet)

.

Device with RS485 

interface

(without termination 

resistor).

Device with RS485 

interface 

(termination resistor on 

the device).

Example: PC connection via RS485 interface and UMG 604 as the gateway

RS485 bus structure

•  Connect all devices in the RS485 bus structure 

(line) according to the master/slave principle.

•  A segment of a RS485 bus structure can 

contain up to 32 participants/devices.

•  Terminate the cable with termination resistors 

(120 Ω, 0.25 W) at the beginning and end 
of a segment. The device does not contain 
a termination resistor.

•  With more that 32 participants, use repeaters 

to connect segments.

•  Further information, e.g. Cable type, refer to 

the user manual.

INFORMATION

Using the corresponding menu items, assign the 

slave devices in the RS485 bus structure

 · Different device addresses.

 · Different device addresses compared to the 

master device (UMG 604).

 · The same transmission rate (baud rate).

 · The same data frame.

Function keys

After a return of power, the device starts with the 

Summary

 measured value display (default setting).

Press function key 1 to access the menu selection 
(see user manual for description).

Display title

Measured 

values

Function key 

label

After a return of power, the device displays the 

Summary

 measured value display. Proceed as 

follows to confi gure an RS485 connection:

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Communication

 and confi rm 

with key 6 

Enter

.

6.  The 

Communication

 window appears.

7.  In the 

Communication

 window, confi gure the 

entries for the 

fi eldbus

 (RS485 connection), 

such as 

device address

baud rate

 and 

data 

frame

, by selecting the respective entries and 

confi rming with key 6 

Enter

.

8.  The keys 2 and 5 are used to change the 

position of the number to be set for each 
entry and keys 3 and 4 are used to change the 
number (-1 / +1).

9.  Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Fig. “Communication” window with the entries for the confi guration 

of the RS485 connection.

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Measurement

 and confi rm 

with key 6 

Enter

.

6.  The 

Measurement

 window appears.

7.  In the 

Measurement

 window, select the entry 

Measuring transformer

 and confi rm using key 6 

Enter

.

8.  The confi guration window with the primary and 

secondary entries for the current and voltage 
transformers appears.

9.  In the 

Measurement

 window, select the primary 

or secondary current or voltage transformer using 
keys 2 to 5.

10. Confi rm your selection by pressing key 6 

Enter

.

11. The keys 2 and 5 are used to change the position 

of the number to be set for each entry and keys 3 
and 4 are used to change the number (-1 / +1).

Fig. “Measurement” window with the confi guration of the 

current and voltage transformer.

12. Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

13. In order to arrive back at the start display, press 

key 1 

Esc

 3x and then key 2 

Home

.

Ambient conditions during operation

Use the device in a weather-protected, stationary application.

Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range

-10 °C (14 °F) up to +55 °C (131 °F)

Relative humidity

(non-condensing)

0 to 75% RH

Operating altitude

0 - 2000 m (1.24 mi) above 

sea level

Pollution degree

2

Installation position

discretionary

Ventilation

No external ventilation required.

Protection against foreign 

bodies and water

- Front

- Rear

- Front side with sealing

IP40 i.a.w. EN60529

IP20 i.a.w. EN60529

IP54 i.a.w. EN60529

Terminal connection capacity (supply voltage)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4.0 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity
(digital inputs and outputs, analog output)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (current measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 4 mm

2

, AWG 26-12

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (serial interface)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (voltage measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Possible error

Cause

Remedy

No display

External fuse for the power supply voltage has 

tripped.

Replace fuse.

No current display

Measured voltage is not connected.

Connect the measured voltage.

Measurement current is not connected.

Connect measurement current.

Current displayed is

too large or too small.

Current measurement in the wrong phase.

Check connection and correct if necessary.

Current transformer factor is incorrectly programmed. Read out and program the current transformer 

transformation ratio at the current transformer.

Current harmonics exceed the current peak value 

at the measurement input

Install current transformer with a larger CT ratio.

The current at the measurement input was not 

achieved.

Install current transformer with a smaller current 

transformer ratio.

Voltage displayed is too large 

or too small.

Measurement in the wrong phase.

Check connection and correct if necessary.

Voltage transformer incorrectly programmed.

Read out and program the voltage transformer ratio 

at the voltage transformer.

Voltage displayed is too 

small.

Measurement range exceeded.

Install voltage transformers.

The peak voltage value at the measurement input has 

been exceeded by harmonic components.

Attention!

 Ensure the measurement inputs are not 

overloaded.

Device still does not work 

despite the above measures.

Device defective.

Send the device to the manufacturer for inspection 

and testing.

UMG 96 PQ-L (all variants)

UMG 96 PQ-L (IT variant)

Three-phase 4-conductor systems

with grounded neutral conductor

Three-phase 3-conductor 

systems

with grounded phase

Three-phase 3-conductor 

systems

not grounded

Three-phase 4-conductor systems

with non-grounded neutral conductor

(IT networks)

IEC U

L-N

 / U

L-L: 

417 V

LN 

/ 720 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

UL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

INFORMATION

You can identify the variant of 

UMG 96-PQ-L

 using the 

article number. The article number can be found on the 

nameplate of your measuring device:

 ·

UMG 96-PQ-L

52360x1

/

52360x2.

 ·

UMG 96-PQ-L (IT variant):

 

52360x5

.

e.g. connection 

to the UMG 604 

as a gateway

(master)

e.g. 

connection 

of additional 

slave devices

RS485 bus

Fig. 

UMG 96-PQ-L

B

A

A
B

Data GND

Identify the product variant

Variant

Grid system, 

Supply voltage

Art. No. on

nameplate

UMG 96-PQ-L

 

(without Class S)

TN / TT, 230 V

5236001

TN / TT, 24 V

5236002

TN / TT / IT, 230 V

5236005

UMG 96-PQ-L

Class S 

acc. to 

IEC 61000-4-30

TN / TT, 230 V

5236021

TN / TT, 24 V

5236022

TN / TT / IT, 230 V

5236025

V

1

V

2

V

3

V

N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

Wall

Air fl ow

Air fl ow

1

2

Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. +49 6441 9642-22
E-mail: info@janitza.com
www.janitza.com

www

.janitza.de

Doc. no. 2.061.064.3.d   07/2022  

Item no. 33.03.389

Power Analyzer

UMG 96-PQ-L

Installation manual

Installation and device settings

Deutsche V

ersion 

siehe V

or

derseite

3

2

The device is a multifunctional power analyzer:

•  that measures and calculates electrical 

parameters, such as voltage, current, 
frequency, power, work and harmonics, etc. in 
building installations, on distribution units,
circuit breakers and busbar trunking systems.

•  that displays and saves measurement results 

and transfers them via interfaces.

•  which can optionally record voltage quality 

according to IEC 61000-4-30 Class S. 

4

 Connecting the supply voltage

The level of the supply voltage for your device 
can be found on the type plate. After connecting 
the supply voltage, an indication appears on the 
display. If no display appears, check whether 
the supply voltage is within the nominal voltage 
range.

Procedure in the event of errors

Technical data

Supply voltage

Nominal range

230 V option

AC 90 V - 277 V (50/60 Hz) or

DC 90 V - 250 V, 300 V CATIII

24 V option

AC 24 V - 90 V (50/60 Hz) or

DC 24 V - 90 V, 150 V CATIII

Operating range

+-10% of nominal range

Power consumption

230 V option

: max. 4.5 VA / 2 W

24 V option

: max. 4.5 VA / 2 W

Internal fuse,

not exchangeable

Type T1A / 250 VDC / 277 VAC

according to IEC 60127

Recommended overcurrent 

protection device for the line 

protection

230 V option

: 6 - 16 A

24 V option

: 1 - 6 A

(Char. B) - (IEC-/UL approval)

General information

Net weight

(with attached connectors)

Approx. 250 g (0.55 lb)

Packaging weight

(including accessories)

Approx. 500 g (1.1 lb)

Battery

Type Lithium CR2032, 3 V

(approval according to UL 1642)

Data memory

64 MB

Service life of the backlight

40000 h

(After 40000 h, the backlight is 

reduced to approx. 50%)

Impact resistance

IK07 according to IEC 62262

Transport and storage

The following information applies to devices which are 

transported or stored in the original packaging.
Free fall

1 m (39.37 in)

Temperature

-25 °C (-13 °F) up to

+70 °C (158 °F)

Relative humidity

(non-condensing)

0 to 90% RH

Current measurement

Rated current

5 A

Metering range

0,005 - 6 A 

rms

Crest factor

(based on the rated current)

2 (based on 6 A 

rms

)

Overload for 1 sec.

60 A (sinusoidal)

Resolution

0.1 mA (display 0.001 A)

Overvoltage category

300 V CAT II

Measurement voltage surge

2.5 kV

Power consumption

approx. 0.2 VA (Ri=5 mΩ)

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Fourier-analyse

1. - 65. harmonics

11

13

15

12

Establishing the connection to the PC

The most common connections for the 
communication between the PC and device:

Abb. Back of UMG 96-PQ-L

1.

(gedrehtes Patchkabel)

RS485

PC/

GridVis

®

RS485

RS485

RS232

RS232

2.

(gedrehtes Patchkabel)

USB

RS485

RS485

RS485

USB

PC/

GridVis

®

(gedrehtes Patchkabel)

3.

UMG 604

RS485

Ethernet

RS485

PC/

GridVis

®

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

6

Voltage measurement

5

Network systems

Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):

7

Connection variants for voltage measurement

Three-phase 4-conductor 

system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Three-phase 3-conductor system 

with balanced loads

For each system, 

the power and 

energy of one 

phase are multi-

plied by 3.

One of the neutral 

conductors must 

be connected.

Voltage measurement in the 

three-phase 4-conductor system

Voltage measurement in the 

single-phase 3-conductor 

system

Voltage measurement in the 

single-phase 2-conductor 

system

For balanced 

loads only!

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

8

9

Connection variants for current measurement

Three-phase 4-conductor system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Current measurement via the 

current transformer in the three-

phase 4-conductor system

Current measurement via 2 cur-

rent transformers (Aron circuit) 

in the three-phase-4-conductor 

system

Current measurement in the 

single-phase 3-conductor 

system

Current measurement in the 

single-phase 2-conductor 

system

Voltage measurement

Three-phase 4-conductor 

systems with nominal 

voltages up to

417 V / 720 V (+-10%) according to IEC

347 V / 600 V (+-10%) according to UL

Three-phase 3-conductor 

systems with nominal 

voltages up to

600 V (+10%)

Single-phase 2-conductor 

systems with rated voltages 

up to 

480 V (+-10%)

Overvoltage category

600 V CAT III

Measurement voltage surge 6 kV
Fuse for the voltage 

measurement

1 - 10 A tripping characteristic B 

(with IEC/UL approval)

Measuring range L-N

0

1)

 - 600 Vrms

(max. overvoltage 800 Vrms)

Measuring range L-L

0

1) 

 - 1040 Vrms

(max. overvoltage 1350 Vrms)

Resolution

0.01 V

Crest factor

2.45 (related to the measurement range)

Impedance

3 MΩ/phase

Power consumption

Approx. 0.1 VA

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Frequency of the basic 

oscillation

- resolution

45 Hz - 65 Hz

0.01 Hz

Fourier-analyse

1. - 65. harmonics

1) ...  The device only determines the measured values if voltage 

L1-N is greater than 20 Veff (4-conductor measurement) or 

voltage L1-L2 is greater than 34 Veff (3-conductor measure-

ment) on voltage measurement input V1.

Digital outputs

3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage

Max. 33 V AC, 40 V DC

Switching current

Max. 50 mAeff AC/DC

Response time

Approx. 200 ms

Pulse output (energy pulse)

Max. 50 Hz

Serial interface

RS485 - Modbus RTU/slave

9.6 kbps, 19.2 kbps, 38.4 

kbps, 57.6 kbps, 115.2 kbps

Digital inputs

3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency

20 Hz

Input signal present

18 V - 28 V DC

(typical 4 mA)

Input signal not present 

0 - 5 V DC,

current less than 0.5 mA

Analog output

External power supply

Max. 33V

Current

0 - 20 mA

Update time

1 sec

Load

Max. 300 Ω

Resolution

10 Bit

Line length (digital inputs/outputs)

Up to 30 m (32,81 yd)

Unshielded

Greater than 30 m (32,81 yd)

Shielded

The device is operated via 6 function buttons for

•  selecting measured value displays.
•  Navigation within the menus.
•  Editing device settings.

Key

Function

•  Display 

menu

•  Exit 

menu

•  Cancel action (

ESC

)

•  Switch to start display (

Summary

).

•  Select position (to the left “

”).

•  Confi guration of a measured value 

display as a start display (press until 
message appears).

•  Select menu item or position

(down “

”).

•  Change (selection, number -1).
•  Select menu item or position

(up “

”).

•  Change (selection, 1).

•  Select position (to the right “

”).

•  Confi rm selection (

Enter

).

Operation and button functions

Fig. UMG 96-PQ-L standard display -

measured values display “Summary”

Password confi guration

he measurement device has an option of locking the 
measurement device confi guration with a password. 
After a password confi guration, the measurement 
device requires the password to be entered for any 
change to the measurement device confi guration.

Setting range: 

1-99999   = with password  

 

 

00000 

= factory setting    

 

 

 

   (no password)

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3.  The 

Confi guration

 window appears.

4.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

System

 and confi rm with key 

Enter

.

5.  The 

System

 window appears.

6.  In the 

System

 window, use keys 3 and 4 to select 

the entry 

Password

 and confi rm with key 6 

Enter

.

7.  The numbers for the 

Password

 entry appear in 

“yellow”. 

8.  The keys 2 and 5 are used to select the position 

of the number to be set and keys 3 and 4 are 
used to change the number (-1 / +1).

User manual:

L1

N

17

16

10

14

The device fr

onts may dif

fer!

9.  Confi rm your entries with key 6 

Enter 

or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Confi guring the RS485 connection

Confi guring the current/voltage transformer

As an option to these connection options, an 

ex-

pansion module for the UMG 96-PQ-L

 offers an 

Ethernet interface for communication. Information 
on the expansion module with Ethernet interface 
can be found in the usage information for the 
module.

INFORMATION

Alternatively to the fuse and circuit breaker, 

a miniature circuit breaker can also be used.

INFORMATION

For more information about device features, 

data, assembly, and the battery used in the 

device, see the user manual.

INFORMATION

The current and voltage transformer ratios are 

also confi gured in the device confi guration of 

the GridVis

®

 software!

INFORMATION

You can confi gure the 

voltage and current 

transformer ratios

 via

 · the device menu 

Confi guration

 > 

Measurement

 

Transformer

 

 · the GridVis

®

 software.

You can fi nd more detailed information about the 

current and voltage transformer ratios and their 

settings in the user manual.

If the measurement range is exceeded, the de-

vice display shows the warning message 

Over-

voltage 

or

 Overcurrent 

and specifi es the phase 

(further information in the user manual).

The warning message is acknowledged via key 5 

Alarms

INFORMATION

You can fi nd more detailed information about the 

device operation, displays and key functions in the 

user manual.

INFORMATION

 · The 

UMG 96-PQ-L

 is confi gured ex works 

with the 

password

 

00000

 (no password).

 · The measurement device locks the device 

confi guration for 10 minutes after the 

password is entered incorrectly fi ve times.

 · Note your password and keep it in a safe 

place!

 · You cannot confi gure your device without 

a password. If the password is lost, notify 

the support department of the device 

manufacturer.

Three-phase 3-conductor system

Three-phase 3-conductor system 

(assymetrical load)

Three-phase 3-conductor system 

with a voltage transformer.

Device suitable for TN, TT and IT networks (IT variant)!

L3

L2

L1

V

1

V

2

V

3

V

N

L3

L2

L1

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

Three-phase 3-conductor system

Three-phase 3-conductor systems with balanced loads

The device multiplies the power 

and energy of a phase by a 

factor of 3 to determine the total 

values of the system.

Use only if the load in each sys-

tem is balanced at all times! 

Current measurement via current 

transformers in the three-phase 

3-conductor system

Current measurement via 2 current 

transformers (Aron circuit) in the 

three-phase 3-conductor system

Current measurement in up to 

3  balanced  systems

General information

Disclaimer

It is essential that the information products for the 
devices are observed to ensure safe operation and 
achieve the specifi ed performance characteristics 
and product features. Janitza electronics GmbH 
assumes no liability for personal injuries, property 
damage and fi nancial losses resulting from the 
failure to observe the information products.

Make sure that your information products are 
legible and accessible.

You can fi nd more documentation on our web site 
www.janitza.de under 
Support > Downloads.

Copyright notice

© 2022 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing, 
distribution and any other kind of use, even in part, 
is prohibited.

Subject to technical changes.

•  Make sure that the installation instructions 

match your device.

•  First, make sure you have read and understood 

the document accompanying the product.

•  Keep the documents accompanying the 

product accessible through its service life 
and hand them over to the subsequent owner 
where applicable.

•  Please refer to www.janitza.de for information 

concerning device revisions and the 
associated adjustments to the documentation 
accompanying the product.

 

Disposal

Please observe the national regulations. Dispose 
of individual parts, where necessary, depending 
on the properties and existing country-specifi c 
regulations, e.g. as:

•  Electronic waste
•  Plastic
•  Metal

or commission a certifi ed disposal company with 
the scrapping.

Relevant laws, applied standards and directives

Please refer to the Declaration of Conformity 
on our web site (www.janitza.de) for the laws, 
standards and directives applied by Janitza 
electronics GmbH.

Safety

Safety instructions

The installation instructions do not include 
a complete list of all safety measures necessary 
for operating the device.
Special operating conditions may require 
additional measures. The installation 
instructions contain notes that must be 
observed for your personal safety and 
to prevent property damage.

Symbols used on the device:

The additional symbol on 
the device itself indicates an 
electrical danger that can result 
in serious injuries or death. 
The general warning symbol calls 
attention to possible risks of 
injury. Observe all the instructions 
listed under this symbol in order 
to prevent injuries or even death.

Safety instructions in the installation instructions 
are highlighted with a warning triangle and are 
presented as follows depending on the level of risk:

ATTENTION

Indicates an imminently dangerous situation 

that can result in property damage or 

environmental damage in the event of 

noncompliance.

CAUTION

Indicates a potentially dangerous situation 

that can result in minor injuries or property 

damage.

WARNING

Indicates a potentially dangerous situation 

that can result in serious injuries or death.

DANGER

Indicates an imminent danger that will result 

in serious and/or fatal injuries.

INFORMATION

Points out procedures in which there are 

no

 dangers of personal injuries or property 

damage.

Safety measures

When operating electrical devices, specifi c parts 
of these devices inevitably carry dangerous 
voltage. As a result, serious bodily harm or 
property damage can occur if they are not 
handled correctly:

•  Before connecting the device, ground it at the 

protective conductor terminal if available.

•  Dangerous voltages may be present in all 

circuit parts connected to the voltage supply.

•  There may still be dangerous voltages present 

in the device even after it is disconnected from 
the supply voltage (capacitor storage).

•  Do not operate equipment with open current 

transformer circuits.

•  Do not exceed the threshold values specifi ed 

in the user manual and on the rating plate. This 
must also be observed during inspections and 
commissioning.

•  Observe the safety instructions and warning notices 

in the documents that accompany the devices. 

Qualifi ed personnel

To prevent personal injuries and property damage, 
only qualifi ed personnel with electrical engineering 
training may work on the device. They must also have 
knowledge

•  Of the national accident prevention regulations
•  In safety technology standards
•  In the installation, commissioning and operation of 

the device.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur due 

to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

Before starting work, disconnect your system 

from the power supply. Secure it against 

being switched back on! Verify disconnection 

from power! Ground and short-circuit! Cover 

or block off neighboring parts that are under 

voltage!

Intended use

The device is

•  intended for installation in switching cabinets 

and small installation distributors. The device 
can be installed in any mounting position 
(please observe section 3 “Assembly”).

•  not intended for installation in vehicles! Using 

the device in mobile equipment is considered 
an unusual environmental condition and is 
only permissible by special agreement.

•  not intended for installation in areas exposed 

to harmful oils, acids, gases, vapors, dust 
and radiation, etc.

•  designed as an indoor meter.

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as proper operation 
and maintenance.

Incoming goods inspection

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as careful operation 
and maintenance. 

Exercise caution when unpacking and packing 
the device, without using force and only using 
suitable tools. Check:

•  the device through a visual inspection to 

ensure a fl awless mechanical condition. 

•  the scope of delivery (see user manual) 

before beginning the installation of the 
device.

If you assume that safe operation is no longer 
possible, the device must be shut down 
immediately and prevented from unintended 
re-commissioning. 

It can be assumed that safe operation is no 
longer possible, when, for example, the device:

•  has visible damage, 
•  no longer functions despite an intact power 

supply,

•  was subjected to extended periods of 

unfavorable conditions (e.g. storage outside 
of the permissible climate thresholds 
without adjustment to the room climate, 
condensation, etc.) or transport stress 
(e.g. falling from an elevated position, even 
without visible external damage, etc.).

Brief device description

Install the device in the weather-protected front 
panel of switching cabinets.

Cut-out size:
92

+0.8

 x 92

+0.8

 mm

(3.62

+0.03

 x 3.62

+0.03

 in)

For suffi cient 
ventilation, maintain 
the distances to 
neighboring parts.

Fig. mounting position 

rear view of UMG 96-PA

Assembly

CAUTION

Property damage due to noncompliance with 

the assembly instructions

Noncompliance with the assembly instructions 

can damage or destroy your device.

Ensure suffi cient air circulation in your 

installation environment and, where 

applicable, suffi cient cooling with high 

ambient temperatures.

Fuse 

(UL/IEC listed)

Circuit breaker

N

L

PE/FE

Fig. Supply voltage connection.

Functional  gr

ound

CAUTION

Property damage due to noncompliance of 

the connection conditions or impermissible 

voltage swells!

Noncompliance of the connection conditions 

or exceeding the permissible voltage range 

can damage or destroy your device.

Before you connect the device to the supply 

voltage, please observe the following:

 ·

The voltage and frequency must comply 

with the specifi cations on the rating plate. 

Observe the limit values as described in 

the user manual.

 ·

In building installations, secure the supply 

voltage with a UL/IEC-listed circuit 

breaker/fuse.

 ·

The circuit breaker

 

-

must be easily accessible for the user 

and located in the vicinity of the device.

 

-

must be labeled for the respective 

device.

 ·

Do not tap the supply voltage at the 

voltage transformers.

 ·

Provide a fuse for the neutral conductor 

if the neutral conductor connection is not 

grounded to the source.

The device can be used in 

•  TN and TT networks.
•  residential and industrial sectors.
•  IT networks (IT variant - part no.: 

52360x5).

•  residential and industrial areas.

The device has 3 voltage inputs and is suitable 
for different connection versions.

DANGER

Risk of injury or damage to device.

Noncompliance with the connection conditions 

for the voltage measurement inputs can injure 

you or damage the device. Therefore, please 

observe the following:

 ·

The voltage measurement inputs

 

-

must not be connected to DC current.

 

-

must be provided with a suitable, labeled 

fuse and circuit breaker (alternative:

miniature circuit breaker) in their 

immediate vicinity.

 

-

are dangerous to touch.

 ·

Voltages that exceed the allowed nominal 

network voltages must be connected via 

voltage transformers.

 ·

Measured voltages and measured currents 

must originate from the same network.

“Direct voltage measurement in a three-phase 4-conductor 

system” connection version

The voltage measurement inputs are designed for 
measurements in low-voltage networks in which 
rated voltages occur up to 417 V phase to ground 
and 720 V phase to phase in the 4-conductor 
system.
The measurement voltage surge and surge voltages 
correspond to overvoltage category 600 V CATIII. 

L2
L3

N

L1

1)

 Circuit breaker

2)

 Fuse (UL/IEC-listed)

1)

1)

1)

2)

2)

2)

L2
L3
N

L1

Load

The device

•  is only approved for a current measurement 

using the current transformer.

•  is designed for the connection of current 

transformers with secondary currents 
of ../1 A and ../5 A (current transformer ratio 
set to 5/5 A by default). 

•  measures small DC currents

The current transformers must have basic 
insulation according to IEC 61010-1:2010 for 
the rated voltage of the circuit.

“Current measurement via current transformer” connection

Current measurement I1, I2, I3

WARNING

Electrical currents and voltages!

Open current transformers that are operated 

on the secondary side (high voltage spikes) can 

result in serious personal injuries or even death.

Avoid the open operation of the current 

transformers and short-circuit unloaded 

transformers.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur 

due to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

De-energize your system before beginning 

to work! Secure it against being switched 

back on! Verify disconnection from power! 

Ground and short-circuit! Cover or block 

off neighboring parts that are under voltage! 

Ground the system! 

Use the ground connection point with the 

ground symbol for this. 

Device connection

via interface converter.

Device connection

via interface converter.

Device connection

via a UMG 604 as a gateway.

CAUTION

Property damage due to incorrect network 

settings.

Incorrect network settings can cause faults in 

the IT network!

Consult your network administrator for the 

correct network settings for your device.

The PC connection to the device via the RS485 
serial interface with, e.g. a UMG 604 as the gateway 
(see section “Establishing the connection to the 
PC”) is a method for confi guring the device(s)/
and reading out data.

Correct

Incorrect

Terminal strip 

(Switching cabinet)

.

Device with RS485 

interface

(without termination 

resistor).

Device with RS485 

interface 

(termination resistor on 

the device).

Example: PC connection via RS485 interface and UMG 604 as the gateway

RS485 bus structure

•  Connect all devices in the RS485 bus structure 

(line) according to the master/slave principle.

•  A segment of a RS485 bus structure can 

contain up to 32 participants/devices.

•  Terminate the cable with termination resistors 

(120 Ω, 0.25 W) at the beginning and end 
of a segment. The device does not contain 
a termination resistor.

•  With more that 32 participants, use repeaters 

to connect segments.

•  Further information, e.g. Cable type, refer to 

the user manual.

INFORMATION

Using the corresponding menu items, assign the 

slave devices in the RS485 bus structure

 · Different device addresses.

 · Different device addresses compared to the 

master device (UMG 604).

 · The same transmission rate (baud rate).

 · The same data frame.

Function keys

After a return of power, the device starts with the 

Summary

 measured value display (default setting).

Press function key 1 to access the menu selection 
(see user manual for description).

Display title

Measured 

values

Function key 

label

After a return of power, the device displays the 

Summary

 measured value display. Proceed as 

follows to confi gure an RS485 connection:

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Communication

 and confi rm 

with key 6 

Enter

.

6.  The 

Communication

 window appears.

7.  In the 

Communication

 window, confi gure the 

entries for the 

fi eldbus

 (RS485 connection), 

such as 

device address

baud rate

 and 

data 

frame

, by selecting the respective entries and 

confi rming with key 6 

Enter

.

8.  The keys 2 and 5 are used to change the 

position of the number to be set for each 
entry and keys 3 and 4 are used to change the 
number (-1 / +1).

9.  Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Fig. “Communication” window with the entries for the confi guration 

of the RS485 connection.

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Measurement

 and confi rm 

with key 6 

Enter

.

6.  The 

Measurement

 window appears.

7.  In the 

Measurement

 window, select the entry 

Measuring transformer

 and confi rm using key 6 

Enter

.

8.  The confi guration window with the primary and 

secondary entries for the current and voltage 
transformers appears.

9.  In the 

Measurement

 window, select the primary 

or secondary current or voltage transformer using 
keys 2 to 5.

10. Confi rm your selection by pressing key 6 

Enter

.

11. The keys 2 and 5 are used to change the position 

of the number to be set for each entry and keys 3 
and 4 are used to change the number (-1 / +1).

Fig. “Measurement” window with the confi guration of the 

current and voltage transformer.

12. Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

13. In order to arrive back at the start display, press 

key 1 

Esc

 3x and then key 2 

Home

.

Ambient conditions during operation

Use the device in a weather-protected, stationary application.

Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range

-10 °C (14 °F) up to +55 °C (131 °F)

Relative humidity

(non-condensing)

0 to 75% RH

Operating altitude

0 - 2000 m (1.24 mi) above 

sea level

Pollution degree

2

Installation position

discretionary

Ventilation

No external ventilation required.

Protection against foreign 

bodies and water

- Front

- Rear

- Front side with sealing

IP40 i.a.w. EN60529

IP20 i.a.w. EN60529

IP54 i.a.w. EN60529

Terminal connection capacity (supply voltage)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4.0 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity
(digital inputs and outputs, analog output)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (current measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 4 mm

2

, AWG 26-12

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (serial interface)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (voltage measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Possible error

Cause

Remedy

No display

External fuse for the power supply voltage has 

tripped.

Replace fuse.

No current display

Measured voltage is not connected.

Connect the measured voltage.

Measurement current is not connected.

Connect measurement current.

Current displayed is

too large or too small.

Current measurement in the wrong phase.

Check connection and correct if necessary.

Current transformer factor is incorrectly programmed. Read out and program the current transformer 

transformation ratio at the current transformer.

Current harmonics exceed the current peak value 

at the measurement input

Install current transformer with a larger CT ratio.

The current at the measurement input was not 

achieved.

Install current transformer with a smaller current 

transformer ratio.

Voltage displayed is too large 

or too small.

Measurement in the wrong phase.

Check connection and correct if necessary.

Voltage transformer incorrectly programmed.

Read out and program the voltage transformer ratio 

at the voltage transformer.

Voltage displayed is too 

small.

Measurement range exceeded.

Install voltage transformers.

The peak voltage value at the measurement input has 

been exceeded by harmonic components.

Attention!

 Ensure the measurement inputs are not 

overloaded.

Device still does not work 

despite the above measures.

Device defective.

Send the device to the manufacturer for inspection 

and testing.

UMG 96 PQ-L (all variants)

UMG 96 PQ-L (IT variant)

Three-phase 4-conductor systems

with grounded neutral conductor

Three-phase 3-conductor 

systems

with grounded phase

Three-phase 3-conductor 

systems

not grounded

Three-phase 4-conductor systems

with non-grounded neutral conductor

(IT networks)

IEC U

L-N

 / U

L-L: 

417 V

LN 

/ 720 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

UL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

INFORMATION

You can identify the variant of 

UMG 96-PQ-L

 using the 

article number. The article number can be found on the 

nameplate of your measuring device:

 ·

UMG 96-PQ-L

52360x1

/

52360x2.

 ·

UMG 96-PQ-L (IT variant):

 

52360x5

.

e.g. connection 

to the UMG 604 

as a gateway

(master)

e.g. 

connection 

of additional 

slave devices

RS485 bus

Fig. 

UMG 96-PQ-L

B

A

A
B

Data GND

Identify the product variant

Variant

Grid system, 

Supply voltage

Art. No. on

nameplate

UMG 96-PQ-L

 

(without Class S)

TN / TT, 230 V

5236001

TN / TT, 24 V

5236002

TN / TT / IT, 230 V

5236005

UMG 96-PQ-L

Class S 

acc. to 

IEC 61000-4-30

TN / TT, 230 V

5236021

TN / TT, 24 V

5236022

TN / TT / IT, 230 V

5236025

V

1

V

2

V

3

V

N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

Wall

Air fl ow

Air fl ow

1

2

Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. +49 6441 9642-22
E-mail: info@janitza.com
www.janitza.com

www

.janitza.de

Doc. no. 2.061.064.3.d   07/2022  

Item no. 33.03.389

Power Analyzer

UMG 96-PQ-L

Installation manual

Installation and device settings

Deutsche V

ersion 

siehe V

or

derseite

3

2

The device is a multifunctional power analyzer:

•  that measures and calculates electrical 

parameters, such as voltage, current, 
frequency, power, work and harmonics, etc. in 
building installations, on distribution units,
circuit breakers and busbar trunking systems.

•  that displays and saves measurement results 

and transfers them via interfaces.

•  which can optionally record voltage quality 

according to IEC 61000-4-30 Class S. 

4

 Connecting the supply voltage

The level of the supply voltage for your device 
can be found on the type plate. After connecting 
the supply voltage, an indication appears on the 
display. If no display appears, check whether 
the supply voltage is within the nominal voltage 
range.

Procedure in the event of errors

Technical data

Supply voltage

Nominal range

230 V option

AC 90 V - 277 V (50/60 Hz) or

DC 90 V - 250 V, 300 V CATIII

24 V option

AC 24 V - 90 V (50/60 Hz) or

DC 24 V - 90 V, 150 V CATIII

Operating range

+-10% of nominal range

Power consumption

230 V option

: max. 4.5 VA / 2 W

24 V option

: max. 4.5 VA / 2 W

Internal fuse,

not exchangeable

Type T1A / 250 VDC / 277 VAC

according to IEC 60127

Recommended overcurrent 

protection device for the line 

protection

230 V option

: 6 - 16 A

24 V option

: 1 - 6 A

(Char. B) - (IEC-/UL approval)

General information

Net weight

(with attached connectors)

Approx. 250 g (0.55 lb)

Packaging weight

(including accessories)

Approx. 500 g (1.1 lb)

Battery

Type Lithium CR2032, 3 V

(approval according to UL 1642)

Data memory

64 MB

Service life of the backlight

40000 h

(After 40000 h, the backlight is 

reduced to approx. 50%)

Impact resistance

IK07 according to IEC 62262

Transport and storage

The following information applies to devices which are 

transported or stored in the original packaging.
Free fall

1 m (39.37 in)

Temperature

-25 °C (-13 °F) up to

+70 °C (158 °F)

Relative humidity

(non-condensing)

0 to 90% RH

Current measurement

Rated current

5 A

Metering range

0,005 - 6 A 

rms

Crest factor

(based on the rated current)

2 (based on 6 A 

rms

)

Overload for 1 sec.

60 A (sinusoidal)

Resolution

0.1 mA (display 0.001 A)

Overvoltage category

300 V CAT II

Measurement voltage surge

2.5 kV

Power consumption

approx. 0.2 VA (Ri=5 mΩ)

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Fourier-analyse

1. - 65. harmonics

11

13

15

12

Establishing the connection to the PC

The most common connections for the 
communication between the PC and device:

Abb. Back of UMG 96-PQ-L

1.

(gedrehtes Patchkabel)

RS485

PC/

GridVis

®

RS485

RS485

RS232

RS232

2.

(gedrehtes Patchkabel)

USB

RS485

RS485

RS485

USB

PC/

GridVis

®

(gedrehtes Patchkabel)

3.

UMG 604

RS485

Ethernet

RS485

PC/

GridVis

®

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

6

Voltage measurement

5

Network systems

Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):

7

Connection variants for voltage measurement

Three-phase 4-conductor 

system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Three-phase 3-conductor system 

with balanced loads

For each system, 

the power and 

energy of one 

phase are multi-

plied by 3.

One of the neutral 

conductors must 

be connected.

Voltage measurement in the 

three-phase 4-conductor system

Voltage measurement in the 

single-phase 3-conductor 

system

Voltage measurement in the 

single-phase 2-conductor 

system

For balanced 

loads only!

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

8

9

Connection variants for current measurement

Three-phase 4-conductor system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Current measurement via the 

current transformer in the three-

phase 4-conductor system

Current measurement via 2 cur-

rent transformers (Aron circuit) 

in the three-phase-4-conductor 

system

Current measurement in the 

single-phase 3-conductor 

system

Current measurement in the 

single-phase 2-conductor 

system

Voltage measurement

Three-phase 4-conductor 

systems with nominal 

voltages up to

417 V / 720 V (+-10%) according to IEC

347 V / 600 V (+-10%) according to UL

Three-phase 3-conductor 

systems with nominal 

voltages up to

600 V (+10%)

Single-phase 2-conductor 

systems with rated voltages 

up to 

480 V (+-10%)

Overvoltage category

600 V CAT III

Measurement voltage surge 6 kV
Fuse for the voltage 

measurement

1 - 10 A tripping characteristic B 

(with IEC/UL approval)

Measuring range L-N

0

1)

 - 600 Vrms

(max. overvoltage 800 Vrms)

Measuring range L-L

0

1) 

 - 1040 Vrms

(max. overvoltage 1350 Vrms)

Resolution

0.01 V

Crest factor

2.45 (related to the measurement range)

Impedance

3 MΩ/phase

Power consumption

Approx. 0.1 VA

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Frequency of the basic 

oscillation

- resolution

45 Hz - 65 Hz

0.01 Hz

Fourier-analyse

1. - 65. harmonics

1) ...  The device only determines the measured values if voltage 

L1-N is greater than 20 Veff (4-conductor measurement) or 

voltage L1-L2 is greater than 34 Veff (3-conductor measure-

ment) on voltage measurement input V1.

Digital outputs

3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage

Max. 33 V AC, 40 V DC

Switching current

Max. 50 mAeff AC/DC

Response time

Approx. 200 ms

Pulse output (energy pulse)

Max. 50 Hz

Serial interface

RS485 - Modbus RTU/slave

9.6 kbps, 19.2 kbps, 38.4 

kbps, 57.6 kbps, 115.2 kbps

Digital inputs

3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency

20 Hz

Input signal present

18 V - 28 V DC

(typical 4 mA)

Input signal not present 

0 - 5 V DC,

current less than 0.5 mA

Analog output

External power supply

Max. 33V

Current

0 - 20 mA

Update time

1 sec

Load

Max. 300 Ω

Resolution

10 Bit

Line length (digital inputs/outputs)

Up to 30 m (32,81 yd)

Unshielded

Greater than 30 m (32,81 yd)

Shielded

The device is operated via 6 function buttons for

•  selecting measured value displays.
•  Navigation within the menus.
•  Editing device settings.

Key

Function

•  Display 

menu

•  Exit 

menu

•  Cancel action (

ESC

)

•  Switch to start display (

Summary

).

•  Select position (to the left “

”).

•  Confi guration of a measured value 

display as a start display (press until 
message appears).

•  Select menu item or position

(down “

”).

•  Change (selection, number -1).
•  Select menu item or position

(up “

”).

•  Change (selection, 1).

•  Select position (to the right “

”).

•  Confi rm selection (

Enter

).

Operation and button functions

Fig. UMG 96-PQ-L standard display -

measured values display “Summary”

Password confi guration

he measurement device has an option of locking the 
measurement device confi guration with a password. 
After a password confi guration, the measurement 
device requires the password to be entered for any 
change to the measurement device confi guration.

Setting range: 

1-99999   = with password  

 

 

00000 

= factory setting    

 

 

 

   (no password)

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3.  The 

Confi guration

 window appears.

4.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

System

 and confi rm with key 

Enter

.

5.  The 

System

 window appears.

6.  In the 

System

 window, use keys 3 and 4 to select 

the entry 

Password

 and confi rm with key 6 

Enter

.

7.  The numbers for the 

Password

 entry appear in 

“yellow”. 

8.  The keys 2 and 5 are used to select the position 

of the number to be set and keys 3 and 4 are 
used to change the number (-1 / +1).

User manual:

L1

N

17

16

10

14

The device fr

onts may dif

fer!

9.  Confi rm your entries with key 6 

Enter 

or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Confi guring the RS485 connection

Confi guring the current/voltage transformer

As an option to these connection options, an 

ex-

pansion module for the UMG 96-PQ-L

 offers an 

Ethernet interface for communication. Information 
on the expansion module with Ethernet interface 
can be found in the usage information for the 
module.

INFORMATION

Alternatively to the fuse and circuit breaker, 

a miniature circuit breaker can also be used.

INFORMATION

For more information about device features, 

data, assembly, and the battery used in the 

device, see the user manual.

INFORMATION

The current and voltage transformer ratios are 

also confi gured in the device confi guration of 

the GridVis

®

 software!

INFORMATION

You can confi gure the 

voltage and current 

transformer ratios

 via

 · the device menu 

Confi guration

 > 

Measurement

 

Transformer

 

 · the GridVis

®

 software.

You can fi nd more detailed information about the 

current and voltage transformer ratios and their 

settings in the user manual.

If the measurement range is exceeded, the de-

vice display shows the warning message 

Over-

voltage 

or

 Overcurrent 

and specifi es the phase 

(further information in the user manual).

The warning message is acknowledged via key 5 

Alarms

INFORMATION

You can fi nd more detailed information about the 

device operation, displays and key functions in the 

user manual.

INFORMATION

 · The 

UMG 96-PQ-L

 is confi gured ex works 

with the 

password

 

00000

 (no password).

 · The measurement device locks the device 

confi guration for 10 minutes after the 

password is entered incorrectly fi ve times.

 · Note your password and keep it in a safe 

place!

 · You cannot confi gure your device without 

a password. If the password is lost, notify 

the support department of the device 

manufacturer.

Three-phase 3-conductor system

Three-phase 3-conductor system 

(assymetrical load)

Three-phase 3-conductor system 

with a voltage transformer.

Device suitable for TN, TT and IT networks (IT variant)!

L3

L2

L1

V

1

V

2

V

3

V

N

L3

L2

L1

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

Three-phase 3-conductor system

Three-phase 3-conductor systems with balanced loads

The device multiplies the power 

and energy of a phase by a 

factor of 3 to determine the total 

values of the system.

Use only if the load in each sys-

tem is balanced at all times! 

Current measurement via current 

transformers in the three-phase 

3-conductor system

Current measurement via 2 current 

transformers (Aron circuit) in the 

three-phase 3-conductor system

Current measurement in up to 

3  balanced  systems

General information

Disclaimer

It is essential that the information products for the 
devices are observed to ensure safe operation and 
achieve the specifi ed performance characteristics 
and product features. Janitza electronics GmbH 
assumes no liability for personal injuries, property 
damage and fi nancial losses resulting from the 
failure to observe the information products.

Make sure that your information products are 
legible and accessible.

You can fi nd more documentation on our web site 
www.janitza.de under 
Support > Downloads.

Copyright notice

© 2022 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing, 
distribution and any other kind of use, even in part, 
is prohibited.

Subject to technical changes.

•  Make sure that the installation instructions 

match your device.

•  First, make sure you have read and understood 

the document accompanying the product.

•  Keep the documents accompanying the 

product accessible through its service life 
and hand them over to the subsequent owner 
where applicable.

•  Please refer to www.janitza.de for information 

concerning device revisions and the 
associated adjustments to the documentation 
accompanying the product.

 

Disposal

Please observe the national regulations. Dispose 
of individual parts, where necessary, depending 
on the properties and existing country-specifi c 
regulations, e.g. as:

•  Electronic waste
•  Plastic
•  Metal

or commission a certifi ed disposal company with 
the scrapping.

Relevant laws, applied standards and directives

Please refer to the Declaration of Conformity 
on our web site (www.janitza.de) for the laws, 
standards and directives applied by Janitza 
electronics GmbH.

Safety

Safety instructions

The installation instructions do not include 
a complete list of all safety measures necessary 
for operating the device.
Special operating conditions may require 
additional measures. The installation 
instructions contain notes that must be 
observed for your personal safety and 
to prevent property damage.

Symbols used on the device:

The additional symbol on 
the device itself indicates an 
electrical danger that can result 
in serious injuries or death. 
The general warning symbol calls 
attention to possible risks of 
injury. Observe all the instructions 
listed under this symbol in order 
to prevent injuries or even death.

Safety instructions in the installation instructions 
are highlighted with a warning triangle and are 
presented as follows depending on the level of risk:

ATTENTION

Indicates an imminently dangerous situation 

that can result in property damage or 

environmental damage in the event of 

noncompliance.

CAUTION

Indicates a potentially dangerous situation 

that can result in minor injuries or property 

damage.

WARNING

Indicates a potentially dangerous situation 

that can result in serious injuries or death.

DANGER

Indicates an imminent danger that will result 

in serious and/or fatal injuries.

INFORMATION

Points out procedures in which there are 

no

 dangers of personal injuries or property 

damage.

Safety measures

When operating electrical devices, specifi c parts 
of these devices inevitably carry dangerous 
voltage. As a result, serious bodily harm or 
property damage can occur if they are not 
handled correctly:

•  Before connecting the device, ground it at the 

protective conductor terminal if available.

•  Dangerous voltages may be present in all 

circuit parts connected to the voltage supply.

•  There may still be dangerous voltages present 

in the device even after it is disconnected from 
the supply voltage (capacitor storage).

•  Do not operate equipment with open current 

transformer circuits.

•  Do not exceed the threshold values specifi ed 

in the user manual and on the rating plate. This 
must also be observed during inspections and 
commissioning.

•  Observe the safety instructions and warning notices 

in the documents that accompany the devices. 

Qualifi ed personnel

To prevent personal injuries and property damage, 
only qualifi ed personnel with electrical engineering 
training may work on the device. They must also have 
knowledge

•  Of the national accident prevention regulations
•  In safety technology standards
•  In the installation, commissioning and operation of 

the device.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur due 

to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

Before starting work, disconnect your system 

from the power supply. Secure it against 

being switched back on! Verify disconnection 

from power! Ground and short-circuit! Cover 

or block off neighboring parts that are under 

voltage!

Intended use

The device is

•  intended for installation in switching cabinets 

and small installation distributors. The device 
can be installed in any mounting position 
(please observe section 3 “Assembly”).

•  not intended for installation in vehicles! Using 

the device in mobile equipment is considered 
an unusual environmental condition and is 
only permissible by special agreement.

•  not intended for installation in areas exposed 

to harmful oils, acids, gases, vapors, dust 
and radiation, etc.

•  designed as an indoor meter.

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as proper operation 
and maintenance.

Incoming goods inspection

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as careful operation 
and maintenance. 

Exercise caution when unpacking and packing 
the device, without using force and only using 
suitable tools. Check:

•  the device through a visual inspection to 

ensure a fl awless mechanical condition. 

•  the scope of delivery (see user manual) 

before beginning the installation of the 
device.

If you assume that safe operation is no longer 
possible, the device must be shut down 
immediately and prevented from unintended 
re-commissioning. 

It can be assumed that safe operation is no 
longer possible, when, for example, the device:

•  has visible damage, 
•  no longer functions despite an intact power 

supply,

•  was subjected to extended periods of 

unfavorable conditions (e.g. storage outside 
of the permissible climate thresholds 
without adjustment to the room climate, 
condensation, etc.) or transport stress 
(e.g. falling from an elevated position, even 
without visible external damage, etc.).

Brief device description

Install the device in the weather-protected front 
panel of switching cabinets.

Cut-out size:
92

+0.8

 x 92

+0.8

 mm

(3.62

+0.03

 x 3.62

+0.03

 in)

For suffi cient 
ventilation, maintain 
the distances to 
neighboring parts.

Fig. mounting position 

rear view of UMG 96-PA

Assembly

CAUTION

Property damage due to noncompliance with 

the assembly instructions

Noncompliance with the assembly instructions 

can damage or destroy your device.

Ensure suffi cient air circulation in your 

installation environment and, where 

applicable, suffi cient cooling with high 

ambient temperatures.

Fuse 

(UL/IEC listed)

Circuit breaker

N

L

PE/FE

Fig. Supply voltage connection.

Functional  gr

ound

CAUTION

Property damage due to noncompliance of 

the connection conditions or impermissible 

voltage swells!

Noncompliance of the connection conditions 

or exceeding the permissible voltage range 

can damage or destroy your device.

Before you connect the device to the supply 

voltage, please observe the following:

 ·

The voltage and frequency must comply 

with the specifi cations on the rating plate. 

Observe the limit values as described in 

the user manual.

 ·

In building installations, secure the supply 

voltage with a UL/IEC-listed circuit 

breaker/fuse.

 ·

The circuit breaker

 

-

must be easily accessible for the user 

and located in the vicinity of the device.

 

-

must be labeled for the respective 

device.

 ·

Do not tap the supply voltage at the 

voltage transformers.

 ·

Provide a fuse for the neutral conductor 

if the neutral conductor connection is not 

grounded to the source.

The device can be used in 

•  TN and TT networks.
•  residential and industrial sectors.
•  IT networks (IT variant - part no.: 

52360x5).

•  residential and industrial areas.

The device has 3 voltage inputs and is suitable 
for different connection versions.

DANGER

Risk of injury or damage to device.

Noncompliance with the connection conditions 

for the voltage measurement inputs can injure 

you or damage the device. Therefore, please 

observe the following:

 ·

The voltage measurement inputs

 

-

must not be connected to DC current.

 

-

must be provided with a suitable, labeled 

fuse and circuit breaker (alternative:

miniature circuit breaker) in their 

immediate vicinity.

 

-

are dangerous to touch.

 ·

Voltages that exceed the allowed nominal 

network voltages must be connected via 

voltage transformers.

 ·

Measured voltages and measured currents 

must originate from the same network.

“Direct voltage measurement in a three-phase 4-conductor 

system” connection version

The voltage measurement inputs are designed for 
measurements in low-voltage networks in which 
rated voltages occur up to 417 V phase to ground 
and 720 V phase to phase in the 4-conductor 
system.
The measurement voltage surge and surge voltages 
correspond to overvoltage category 600 V CATIII. 

L2
L3

N

L1

1)

 Circuit breaker

2)

 Fuse (UL/IEC-listed)

1)

1)

1)

2)

2)

2)

L2
L3
N

L1

Load

The device

•  is only approved for a current measurement 

using the current transformer.

•  is designed for the connection of current 

transformers with secondary currents 
of ../1 A and ../5 A (current transformer ratio 
set to 5/5 A by default). 

•  measures small DC currents

The current transformers must have basic 
insulation according to IEC 61010-1:2010 for 
the rated voltage of the circuit.

“Current measurement via current transformer” connection

Current measurement I1, I2, I3

WARNING

Electrical currents and voltages!

Open current transformers that are operated 

on the secondary side (high voltage spikes) can 

result in serious personal injuries or even death.

Avoid the open operation of the current 

transformers and short-circuit unloaded 

transformers.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur 

due to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

De-energize your system before beginning 

to work! Secure it against being switched 

back on! Verify disconnection from power! 

Ground and short-circuit! Cover or block 

off neighboring parts that are under voltage! 

Ground the system! 

Use the ground connection point with the 

ground symbol for this. 

Device connection

via interface converter.

Device connection

via interface converter.

Device connection

via a UMG 604 as a gateway.

CAUTION

Property damage due to incorrect network 

settings.

Incorrect network settings can cause faults in 

the IT network!

Consult your network administrator for the 

correct network settings for your device.

The PC connection to the device via the RS485 
serial interface with, e.g. a UMG 604 as the gateway 
(see section “Establishing the connection to the 
PC”) is a method for confi guring the device(s)/
and reading out data.

Correct

Incorrect

Terminal strip 

(Switching cabinet)

.

Device with RS485 

interface

(without termination 

resistor).

Device with RS485 

interface 

(termination resistor on 

the device).

Example: PC connection via RS485 interface and UMG 604 as the gateway

RS485 bus structure

•  Connect all devices in the RS485 bus structure 

(line) according to the master/slave principle.

•  A segment of a RS485 bus structure can 

contain up to 32 participants/devices.

•  Terminate the cable with termination resistors 

(120 Ω, 0.25 W) at the beginning and end 
of a segment. The device does not contain 
a termination resistor.

•  With more that 32 participants, use repeaters 

to connect segments.

•  Further information, e.g. Cable type, refer to 

the user manual.

INFORMATION

Using the corresponding menu items, assign the 

slave devices in the RS485 bus structure

 · Different device addresses.

 · Different device addresses compared to the 

master device (UMG 604).

 · The same transmission rate (baud rate).

 · The same data frame.

Function keys

After a return of power, the device starts with the 

Summary

 measured value display (default setting).

Press function key 1 to access the menu selection 
(see user manual for description).

Display title

Measured 

values

Function key 

label

After a return of power, the device displays the 

Summary

 measured value display. Proceed as 

follows to confi gure an RS485 connection:

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Communication

 and confi rm 

with key 6 

Enter

.

6.  The 

Communication

 window appears.

7.  In the 

Communication

 window, confi gure the 

entries for the 

fi eldbus

 (RS485 connection), 

such as 

device address

baud rate

 and 

data 

frame

, by selecting the respective entries and 

confi rming with key 6 

Enter

.

8.  The keys 2 and 5 are used to change the 

position of the number to be set for each 
entry and keys 3 and 4 are used to change the 
number (-1 / +1).

9.  Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Fig. “Communication” window with the entries for the confi guration 

of the RS485 connection.

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Measurement

 and confi rm 

with key 6 

Enter

.

6.  The 

Measurement

 window appears.

7.  In the 

Measurement

 window, select the entry 

Measuring transformer

 and confi rm using key 6 

Enter

.

8.  The confi guration window with the primary and 

secondary entries for the current and voltage 
transformers appears.

9.  In the 

Measurement

 window, select the primary 

or secondary current or voltage transformer using 
keys 2 to 5.

10. Confi rm your selection by pressing key 6 

Enter

.

11. The keys 2 and 5 are used to change the position 

of the number to be set for each entry and keys 3 
and 4 are used to change the number (-1 / +1).

Fig. “Measurement” window with the confi guration of the 

current and voltage transformer.

12. Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

13. In order to arrive back at the start display, press 

key 1 

Esc

 3x and then key 2 

Home

.

Ambient conditions during operation

Use the device in a weather-protected, stationary application.

Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range

-10 °C (14 °F) up to +55 °C (131 °F)

Relative humidity

(non-condensing)

0 to 75% RH

Operating altitude

0 - 2000 m (1.24 mi) above 

sea level

Pollution degree

2

Installation position

discretionary

Ventilation

No external ventilation required.

Protection against foreign 

bodies and water

- Front

- Rear

- Front side with sealing

IP40 i.a.w. EN60529

IP20 i.a.w. EN60529

IP54 i.a.w. EN60529

Terminal connection capacity (supply voltage)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4.0 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity
(digital inputs and outputs, analog output)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (current measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 4 mm

2

, AWG 26-12

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (serial interface)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (voltage measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Possible error

Cause

Remedy

No display

External fuse for the power supply voltage has 

tripped.

Replace fuse.

No current display

Measured voltage is not connected.

Connect the measured voltage.

Measurement current is not connected.

Connect measurement current.

Current displayed is

too large or too small.

Current measurement in the wrong phase.

Check connection and correct if necessary.

Current transformer factor is incorrectly programmed. Read out and program the current transformer 

transformation ratio at the current transformer.

Current harmonics exceed the current peak value 

at the measurement input

Install current transformer with a larger CT ratio.

The current at the measurement input was not 

achieved.

Install current transformer with a smaller current 

transformer ratio.

Voltage displayed is too large 

or too small.

Measurement in the wrong phase.

Check connection and correct if necessary.

Voltage transformer incorrectly programmed.

Read out and program the voltage transformer ratio 

at the voltage transformer.

Voltage displayed is too 

small.

Measurement range exceeded.

Install voltage transformers.

The peak voltage value at the measurement input has 

been exceeded by harmonic components.

Attention!

 Ensure the measurement inputs are not 

overloaded.

Device still does not work 

despite the above measures.

Device defective.

Send the device to the manufacturer for inspection 

and testing.

UMG 96 PQ-L (all variants)

UMG 96 PQ-L (IT variant)

Three-phase 4-conductor systems

with grounded neutral conductor

Three-phase 3-conductor 

systems

with grounded phase

Three-phase 3-conductor 

systems

not grounded

Three-phase 4-conductor systems

with non-grounded neutral conductor

(IT networks)

IEC U

L-N

 / U

L-L: 

417 V

LN 

/ 720 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

UL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

INFORMATION

You can identify the variant of 

UMG 96-PQ-L

 using the 

article number. The article number can be found on the 

nameplate of your measuring device:

 ·

UMG 96-PQ-L

52360x1

/

52360x2.

 ·

UMG 96-PQ-L (IT variant):

 

52360x5

.

e.g. connection 

to the UMG 604 

as a gateway

(master)

e.g. 

connection 

of additional 

slave devices

RS485 bus

Fig. 

UMG 96-PQ-L

B

A

A
B

Data GND

Identify the product variant

Variant

Grid system, 

Supply voltage

Art. No. on

nameplate

UMG 96-PQ-L

 

(without Class S)

TN / TT, 230 V

5236001

TN / TT, 24 V

5236002

TN / TT / IT, 230 V

5236005

UMG 96-PQ-L

Class S 

acc. to 

IEC 61000-4-30

TN / TT, 230 V

5236021

TN / TT, 24 V

5236022

TN / TT / IT, 230 V

5236025

V

1

V

2

V

3

V

N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

Wall

Air fl ow

Air fl ow

1

2

Janitza electronics GmbH
Vor dem Polstück 6
35633 Lahnau, Germany
Support tel. +49 6441 9642-22
E-mail: info@janitza.com
www.janitza.com

www

.janitza.de

Doc. no. 2.061.064.3.d   07/2022  

Item no. 33.03.389

Power Analyzer

UMG 96-PQ-L

Installation manual

Installation and device settings

Deutsche V

ersion 

siehe V

or

derseite

3

2

The device is a multifunctional power analyzer:

•  that measures and calculates electrical 

parameters, such as voltage, current, 
frequency, power, work and harmonics, etc. in 
building installations, on distribution units,
circuit breakers and busbar trunking systems.

•  that displays and saves measurement results 

and transfers them via interfaces.

•  which can optionally record voltage quality 

according to IEC 61000-4-30 Class S. 

4

 Connecting the supply voltage

The level of the supply voltage for your device 
can be found on the type plate. After connecting 
the supply voltage, an indication appears on the 
display. If no display appears, check whether 
the supply voltage is within the nominal voltage 
range.

Procedure in the event of errors

Technical data

Supply voltage

Nominal range

230 V option

AC 90 V - 277 V (50/60 Hz) or

DC 90 V - 250 V, 300 V CATIII

24 V option

AC 24 V - 90 V (50/60 Hz) or

DC 24 V - 90 V, 150 V CATIII

Operating range

+-10% of nominal range

Power consumption

230 V option

: max. 4.5 VA / 2 W

24 V option

: max. 4.5 VA / 2 W

Internal fuse,

not exchangeable

Type T1A / 250 VDC / 277 VAC

according to IEC 60127

Recommended overcurrent 

protection device for the line 

protection

230 V option

: 6 - 16 A

24 V option

: 1 - 6 A

(Char. B) - (IEC-/UL approval)

General information

Net weight

(with attached connectors)

Approx. 250 g (0.55 lb)

Packaging weight

(including accessories)

Approx. 500 g (1.1 lb)

Battery

Type Lithium CR2032, 3 V

(approval according to UL 1642)

Data memory

64 MB

Service life of the backlight

40000 h

(After 40000 h, the backlight is 

reduced to approx. 50%)

Impact resistance

IK07 according to IEC 62262

Transport and storage

The following information applies to devices which are 

transported or stored in the original packaging.
Free fall

1 m (39.37 in)

Temperature

-25 °C (-13 °F) up to

+70 °C (158 °F)

Relative humidity

(non-condensing)

0 to 90% RH

Current measurement

Rated current

5 A

Metering range

0,005 - 6 A 

rms

Crest factor

(based on the rated current)

2 (based on 6 A 

rms

)

Overload for 1 sec.

60 A (sinusoidal)

Resolution

0.1 mA (display 0.001 A)

Overvoltage category

300 V CAT II

Measurement voltage surge

2.5 kV

Power consumption

approx. 0.2 VA (Ri=5 mΩ)

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Fourier-analyse

1. - 65. harmonics

11

13

15

12

Establishing the connection to the PC

The most common connections for the 
communication between the PC and device:

Abb. Back of UMG 96-PQ-L

1.

(gedrehtes Patchkabel)

RS485

PC/

GridVis

®

RS485

RS485

RS232

RS232

2.

(gedrehtes Patchkabel)

USB

RS485

RS485

RS485

USB

PC/

GridVis

®

(gedrehtes Patchkabel)

3.

UMG 604

RS485

Ethernet

RS485

PC/

GridVis

®

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

UMG 96-PQ-L

6

Voltage measurement

5

Network systems

Suitable network systems and maximum nominal voltages (DIN EN 61010-1/A1):

7

Connection variants for voltage measurement

Three-phase 4-conductor 

system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Three-phase 3-conductor system 

with balanced loads

For each system, 

the power and 

energy of one 

phase are multi-

plied by 3.

One of the neutral 

conductors must 

be connected.

Voltage measurement in the 

three-phase 4-conductor system

Voltage measurement in the 

single-phase 3-conductor 

system

Voltage measurement in the 

single-phase 2-conductor 

system

For balanced 

loads only!

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

8

9

Connection variants for current measurement

Three-phase 4-conductor system

Single phase 3-conductor 

system

Single phase 2-conductor 

system

Current measurement via the 

current transformer in the three-

phase 4-conductor system

Current measurement via 2 cur-

rent transformers (Aron circuit) 

in the three-phase-4-conductor 

system

Current measurement in the 

single-phase 3-conductor 

system

Current measurement in the 

single-phase 2-conductor 

system

Voltage measurement

Three-phase 4-conductor 

systems with nominal 

voltages up to

417 V / 720 V (+-10%) according to IEC

347 V / 600 V (+-10%) according to UL

Three-phase 3-conductor 

systems with nominal 

voltages up to

600 V (+10%)

Single-phase 2-conductor 

systems with rated voltages 

up to 

480 V (+-10%)

Overvoltage category

600 V CAT III

Measurement voltage surge 6 kV
Fuse for the voltage 

measurement

1 - 10 A tripping characteristic B 

(with IEC/UL approval)

Measuring range L-N

0

1)

 - 600 Vrms

(max. overvoltage 800 Vrms)

Measuring range L-L

0

1) 

 - 1040 Vrms

(max. overvoltage 1350 Vrms)

Resolution

0.01 V

Crest factor

2.45 (related to the measurement range)

Impedance

3 MΩ/phase

Power consumption

Approx. 0.1 VA

Sampling frequency

13.67 kHz

Sampling frequency (IT variant) 13.98 kHz
Frequency of the basic 

oscillation

- resolution

45 Hz - 65 Hz

0.01 Hz

Fourier-analyse

1. - 65. harmonics

1) ...  The device only determines the measured values if voltage 

L1-N is greater than 20 Veff (4-conductor measurement) or 

voltage L1-L2 is greater than 34 Veff (3-conductor measure-

ment) on voltage measurement input V1.

Digital outputs

3 digital outputs, semiconductor relays, not short-circuit proof.
Switching voltage

Max. 33 V AC, 40 V DC

Switching current

Max. 50 mAeff AC/DC

Response time

Approx. 200 ms

Pulse output (energy pulse)

Max. 50 Hz

Serial interface

RS485 - Modbus RTU/slave

9.6 kbps, 19.2 kbps, 38.4 

kbps, 57.6 kbps, 115.2 kbps

Digital inputs

3 digital inputs, semiconductor relays, not short-circuit proof.
Maximum counter frequency

20 Hz

Input signal present

18 V - 28 V DC

(typical 4 mA)

Input signal not present 

0 - 5 V DC,

current less than 0.5 mA

Analog output

External power supply

Max. 33V

Current

0 - 20 mA

Update time

1 sec

Load

Max. 300 Ω

Resolution

10 Bit

Line length (digital inputs/outputs)

Up to 30 m (32,81 yd)

Unshielded

Greater than 30 m (32,81 yd)

Shielded

The device is operated via 6 function buttons for

•  selecting measured value displays.
•  Navigation within the menus.
•  Editing device settings.

Key

Function

•  Display 

menu

•  Exit 

menu

•  Cancel action (

ESC

)

•  Switch to start display (

Summary

).

•  Select position (to the left “

”).

•  Confi guration of a measured value 

display as a start display (press until 
message appears).

•  Select menu item or position

(down “

”).

•  Change (selection, number -1).
•  Select menu item or position

(up “

”).

•  Change (selection, 1).

•  Select position (to the right “

”).

•  Confi rm selection (

Enter

).

Operation and button functions

Fig. UMG 96-PQ-L standard display -

measured values display “Summary”

Password confi guration

he measurement device has an option of locking the 
measurement device confi guration with a password. 
After a password confi guration, the measurement 
device requires the password to be entered for any 
change to the measurement device confi guration.

Setting range: 

1-99999   = with password  

 

 

00000 

= factory setting    

 

 

 

   (no password)

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3.  The 

Confi guration

 window appears.

4.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

System

 and confi rm with key 

Enter

.

5.  The 

System

 window appears.

6.  In the 

System

 window, use keys 3 and 4 to select 

the entry 

Password

 and confi rm with key 6 

Enter

.

7.  The numbers for the 

Password

 entry appear in 

“yellow”. 

8.  The keys 2 and 5 are used to select the position 

of the number to be set and keys 3 and 4 are 
used to change the number (-1 / +1).

User manual:

L1

N

17

16

10

14

The device fr

onts may dif

fer!

9.  Confi rm your entries with key 6 

Enter 

or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Confi guring the RS485 connection

Confi guring the current/voltage transformer

As an option to these connection options, an 

ex-

pansion module for the UMG 96-PQ-L

 offers an 

Ethernet interface for communication. Information 
on the expansion module with Ethernet interface 
can be found in the usage information for the 
module.

INFORMATION

Alternatively to the fuse and circuit breaker, 

a miniature circuit breaker can also be used.

INFORMATION

For more information about device features, 

data, assembly, and the battery used in the 

device, see the user manual.

INFORMATION

The current and voltage transformer ratios are 

also confi gured in the device confi guration of 

the GridVis

®

 software!

INFORMATION

You can confi gure the 

voltage and current 

transformer ratios

 via

 · the device menu 

Confi guration

 > 

Measurement

 

Transformer

 

 · the GridVis

®

 software.

You can fi nd more detailed information about the 

current and voltage transformer ratios and their 

settings in the user manual.

If the measurement range is exceeded, the de-

vice display shows the warning message 

Over-

voltage 

or

 Overcurrent 

and specifi es the phase 

(further information in the user manual).

The warning message is acknowledged via key 5 

Alarms

INFORMATION

You can fi nd more detailed information about the 

device operation, displays and key functions in the 

user manual.

INFORMATION

 · The 

UMG 96-PQ-L

 is confi gured ex works 

with the 

password

 

00000

 (no password).

 · The measurement device locks the device 

confi guration for 10 minutes after the 

password is entered incorrectly fi ve times.

 · Note your password and keep it in a safe 

place!

 · You cannot confi gure your device without 

a password. If the password is lost, notify 

the support department of the device 

manufacturer.

Three-phase 3-conductor system

Three-phase 3-conductor system 

(assymetrical load)

Three-phase 3-conductor system 

with a voltage transformer.

Device suitable for TN, TT and IT networks (IT variant)!

L3

L2

L1

V

1

V

2

V

3

V

N

L3

L2

L1

V

1

V

2

V

3

V

N

V

1

V

2

V

3

V

N

Three-phase 3-conductor system

Three-phase 3-conductor systems with balanced loads

The device multiplies the power 

and energy of a phase by a 

factor of 3 to determine the total 

values of the system.

Use only if the load in each sys-

tem is balanced at all times! 

Current measurement via current 

transformers in the three-phase 

3-conductor system

Current measurement via 2 current 

transformers (Aron circuit) in the 

three-phase 3-conductor system

Current measurement in up to 

3  balanced  systems

General information

Disclaimer

It is essential that the information products for the 
devices are observed to ensure safe operation and 
achieve the specifi ed performance characteristics 
and product features. Janitza electronics GmbH 
assumes no liability for personal injuries, property 
damage and fi nancial losses resulting from the 
failure to observe the information products.

Make sure that your information products are 
legible and accessible.

You can fi nd more documentation on our web site 
www.janitza.de under 
Support > Downloads.

Copyright notice

© 2022 - Janitza electronics GmbH - Lahnau.
All rights reserved. Any duplication, processing, 
distribution and any other kind of use, even in part, 
is prohibited.

Subject to technical changes.

•  Make sure that the installation instructions 

match your device.

•  First, make sure you have read and understood 

the document accompanying the product.

•  Keep the documents accompanying the 

product accessible through its service life 
and hand them over to the subsequent owner 
where applicable.

•  Please refer to www.janitza.de for information 

concerning device revisions and the 
associated adjustments to the documentation 
accompanying the product.

 

Disposal

Please observe the national regulations. Dispose 
of individual parts, where necessary, depending 
on the properties and existing country-specifi c 
regulations, e.g. as:

•  Electronic waste
•  Plastic
•  Metal

or commission a certifi ed disposal company with 
the scrapping.

Relevant laws, applied standards and directives

Please refer to the Declaration of Conformity 
on our web site (www.janitza.de) for the laws, 
standards and directives applied by Janitza 
electronics GmbH.

Safety

Safety instructions

The installation instructions do not include 
a complete list of all safety measures necessary 
for operating the device.
Special operating conditions may require 
additional measures. The installation 
instructions contain notes that must be 
observed for your personal safety and 
to prevent property damage.

Symbols used on the device:

The additional symbol on 
the device itself indicates an 
electrical danger that can result 
in serious injuries or death. 
The general warning symbol calls 
attention to possible risks of 
injury. Observe all the instructions 
listed under this symbol in order 
to prevent injuries or even death.

Safety instructions in the installation instructions 
are highlighted with a warning triangle and are 
presented as follows depending on the level of risk:

ATTENTION

Indicates an imminently dangerous situation 

that can result in property damage or 

environmental damage in the event of 

noncompliance.

CAUTION

Indicates a potentially dangerous situation 

that can result in minor injuries or property 

damage.

WARNING

Indicates a potentially dangerous situation 

that can result in serious injuries or death.

DANGER

Indicates an imminent danger that will result 

in serious and/or fatal injuries.

INFORMATION

Points out procedures in which there are 

no

 dangers of personal injuries or property 

damage.

Safety measures

When operating electrical devices, specifi c parts 
of these devices inevitably carry dangerous 
voltage. As a result, serious bodily harm or 
property damage can occur if they are not 
handled correctly:

•  Before connecting the device, ground it at the 

protective conductor terminal if available.

•  Dangerous voltages may be present in all 

circuit parts connected to the voltage supply.

•  There may still be dangerous voltages present 

in the device even after it is disconnected from 
the supply voltage (capacitor storage).

•  Do not operate equipment with open current 

transformer circuits.

•  Do not exceed the threshold values specifi ed 

in the user manual and on the rating plate. This 
must also be observed during inspections and 
commissioning.

•  Observe the safety instructions and warning notices 

in the documents that accompany the devices. 

Qualifi ed personnel

To prevent personal injuries and property damage, 
only qualifi ed personnel with electrical engineering 
training may work on the device. They must also have 
knowledge

•  Of the national accident prevention regulations
•  In safety technology standards
•  In the installation, commissioning and operation of 

the device.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur due 

to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

Before starting work, disconnect your system 

from the power supply. Secure it against 

being switched back on! Verify disconnection 

from power! Ground and short-circuit! Cover 

or block off neighboring parts that are under 

voltage!

Intended use

The device is

•  intended for installation in switching cabinets 

and small installation distributors. The device 
can be installed in any mounting position 
(please observe section 3 “Assembly”).

•  not intended for installation in vehicles! Using 

the device in mobile equipment is considered 
an unusual environmental condition and is 
only permissible by special agreement.

•  not intended for installation in areas exposed 

to harmful oils, acids, gases, vapors, dust 
and radiation, etc.

•  designed as an indoor meter.

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as proper operation 
and maintenance.

Incoming goods inspection

The prerequisites for smooth and safe operation 
of the device include proper transport, storage, 
setup and assembly, as well as careful operation 
and maintenance. 

Exercise caution when unpacking and packing 
the device, without using force and only using 
suitable tools. Check:

•  the device through a visual inspection to 

ensure a fl awless mechanical condition. 

•  the scope of delivery (see user manual) 

before beginning the installation of the 
device.

If you assume that safe operation is no longer 
possible, the device must be shut down 
immediately and prevented from unintended 
re-commissioning. 

It can be assumed that safe operation is no 
longer possible, when, for example, the device:

•  has visible damage, 
•  no longer functions despite an intact power 

supply,

•  was subjected to extended periods of 

unfavorable conditions (e.g. storage outside 
of the permissible climate thresholds 
without adjustment to the room climate, 
condensation, etc.) or transport stress 
(e.g. falling from an elevated position, even 
without visible external damage, etc.).

Brief device description

Install the device in the weather-protected front 
panel of switching cabinets.

Cut-out size:
92

+0.8

 x 92

+0.8

 mm

(3.62

+0.03

 x 3.62

+0.03

 in)

For suffi cient 
ventilation, maintain 
the distances to 
neighboring parts.

Fig. mounting position 

rear view of UMG 96-PA

Assembly

CAUTION

Property damage due to noncompliance with 

the assembly instructions

Noncompliance with the assembly instructions 

can damage or destroy your device.

Ensure suffi cient air circulation in your 

installation environment and, where 

applicable, suffi cient cooling with high 

ambient temperatures.

Fuse 

(UL/IEC listed)

Circuit breaker

N

L

PE/FE

Fig. Supply voltage connection.

Functional  gr

ound

CAUTION

Property damage due to noncompliance of 

the connection conditions or impermissible 

voltage swells!

Noncompliance of the connection conditions 

or exceeding the permissible voltage range 

can damage or destroy your device.

Before you connect the device to the supply 

voltage, please observe the following:

 ·

The voltage and frequency must comply 

with the specifi cations on the rating plate. 

Observe the limit values as described in 

the user manual.

 ·

In building installations, secure the supply 

voltage with a UL/IEC-listed circuit 

breaker/fuse.

 ·

The circuit breaker

 

-

must be easily accessible for the user 

and located in the vicinity of the device.

 

-

must be labeled for the respective 

device.

 ·

Do not tap the supply voltage at the 

voltage transformers.

 ·

Provide a fuse for the neutral conductor 

if the neutral conductor connection is not 

grounded to the source.

The device can be used in 

•  TN and TT networks.
•  residential and industrial sectors.
•  IT networks (IT variant - part no.: 

52360x5).

•  residential and industrial areas.

The device has 3 voltage inputs and is suitable 
for different connection versions.

DANGER

Risk of injury or damage to device.

Noncompliance with the connection conditions 

for the voltage measurement inputs can injure 

you or damage the device. Therefore, please 

observe the following:

 ·

The voltage measurement inputs

 

-

must not be connected to DC current.

 

-

must be provided with a suitable, labeled 

fuse and circuit breaker (alternative:

miniature circuit breaker) in their 

immediate vicinity.

 

-

are dangerous to touch.

 ·

Voltages that exceed the allowed nominal 

network voltages must be connected via 

voltage transformers.

 ·

Measured voltages and measured currents 

must originate from the same network.

“Direct voltage measurement in a three-phase 4-conductor 

system” connection version

The voltage measurement inputs are designed for 
measurements in low-voltage networks in which 
rated voltages occur up to 417 V phase to ground 
and 720 V phase to phase in the 4-conductor 
system.
The measurement voltage surge and surge voltages 
correspond to overvoltage category 600 V CATIII. 

L2
L3

N

L1

1)

 Circuit breaker

2)

 Fuse (UL/IEC-listed)

1)

1)

1)

2)

2)

2)

L2
L3
N

L1

Load

The device

•  is only approved for a current measurement 

using the current transformer.

•  is designed for the connection of current 

transformers with secondary currents 
of ../1 A and ../5 A (current transformer ratio 
set to 5/5 A by default). 

•  measures small DC currents

The current transformers must have basic 
insulation according to IEC 61010-1:2010 for 
the rated voltage of the circuit.

“Current measurement via current transformer” connection

Current measurement I1, I2, I3

WARNING

Electrical currents and voltages!

Open current transformers that are operated 

on the secondary side (high voltage spikes) can 

result in serious personal injuries or even death.

Avoid the open operation of the current 

transformers and short-circuit unloaded 

transformers.

WARNING

Risk of injury due to electric voltage!

Serious personal injuries or death can occur 

due to:

 · Touching live exposed or stripped cores.

 · Device inputs that are dangerous to touch.

De-energize your system before beginning 

to work! Secure it against being switched 

back on! Verify disconnection from power! 

Ground and short-circuit! Cover or block 

off neighboring parts that are under voltage! 

Ground the system! 

Use the ground connection point with the 

ground symbol for this. 

Device connection

via interface converter.

Device connection

via interface converter.

Device connection

via a UMG 604 as a gateway.

CAUTION

Property damage due to incorrect network 

settings.

Incorrect network settings can cause faults in 

the IT network!

Consult your network administrator for the 

correct network settings for your device.

The PC connection to the device via the RS485 
serial interface with, e.g. a UMG 604 as the gateway 
(see section “Establishing the connection to the 
PC”) is a method for confi guring the device(s)/
and reading out data.

Correct

Incorrect

Terminal strip 

(Switching cabinet)

.

Device with RS485 

interface

(without termination 

resistor).

Device with RS485 

interface 

(termination resistor on 

the device).

Example: PC connection via RS485 interface and UMG 604 as the gateway

RS485 bus structure

•  Connect all devices in the RS485 bus structure 

(line) according to the master/slave principle.

•  A segment of a RS485 bus structure can 

contain up to 32 participants/devices.

•  Terminate the cable with termination resistors 

(120 Ω, 0.25 W) at the beginning and end 
of a segment. The device does not contain 
a termination resistor.

•  With more that 32 participants, use repeaters 

to connect segments.

•  Further information, e.g. Cable type, refer to 

the user manual.

INFORMATION

Using the corresponding menu items, assign the 

slave devices in the RS485 bus structure

 · Different device addresses.

 · Different device addresses compared to the 

master device (UMG 604).

 · The same transmission rate (baud rate).

 · The same data frame.

Function keys

After a return of power, the device starts with the 

Summary

 measured value display (default setting).

Press function key 1 to access the menu selection 
(see user manual for description).

Display title

Measured 

values

Function key 

label

After a return of power, the device displays the 

Summary

 measured value display. Proceed as 

follows to confi gure an RS485 connection:

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Communication

 and confi rm 

with key 6 

Enter

.

6.  The 

Communication

 window appears.

7.  In the 

Communication

 window, confi gure the 

entries for the 

fi eldbus

 (RS485 connection), 

such as 

device address

baud rate

 and 

data 

frame

, by selecting the respective entries and 

confi rming with key 6 

Enter

.

8.  The keys 2 and 5 are used to change the 

position of the number to be set for each 
entry and keys 3 and 4 are used to change the 
number (-1 / +1).

9.  Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

10. In order to arrive back at the start display, 

press key 1 

Esc

 2x and then key 2 

Home

.

Fig. “Communication” window with the entries for the confi guration 

of the RS485 connection.

1.  Press key 1 to open the menu.
2.  With keys 3 or 4, select the menu entry 

Confi guration

 and confi rm with key 6 

Enter

.

3. 

If the device is password-protected, enter 
the password here (see step 13).

4.  The 

Confi guration

 window appears.

5.  In the 

Confi guration

 window, use keys 3 and 4 

to select the entry 

Measurement

 and confi rm 

with key 6 

Enter

.

6.  The 

Measurement

 window appears.

7.  In the 

Measurement

 window, select the entry 

Measuring transformer

 and confi rm using key 6 

Enter

.

8.  The confi guration window with the primary and 

secondary entries for the current and voltage 
transformers appears.

9.  In the 

Measurement

 window, select the primary 

or secondary current or voltage transformer using 
keys 2 to 5.

10. Confi rm your selection by pressing key 6 

Enter

.

11. The keys 2 and 5 are used to change the position 

of the number to be set for each entry and keys 3 
and 4 are used to change the number (-1 / +1).

Fig. “Measurement” window with the confi guration of the 

current and voltage transformer.

12. Confi rm your entries with key 6 

Enter

 or cancel 

the action with key 1 

Esc

.

13. In order to arrive back at the start display, press 

key 1 

Esc

 3x and then key 2 

Home

.

Ambient conditions during operation

Use the device in a weather-protected, stationary application.

Protection class II in acc. with IEC 60536 (VDE 0106, Part 1).
Operating temperature range

-10 °C (14 °F) up to +55 °C (131 °F)

Relative humidity

(non-condensing)

0 to 75% RH

Operating altitude

0 - 2000 m (1.24 mi) above 

sea level

Pollution degree

2

Installation position

discretionary

Ventilation

No external ventilation required.

Protection against foreign 

bodies and water

- Front

- Rear

- Front side with sealing

IP40 i.a.w. EN60529

IP20 i.a.w. EN60529

IP54 i.a.w. EN60529

Terminal connection capacity (supply voltage)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4.0 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity
(digital inputs and outputs, analog output)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (current measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 4 mm

2

, AWG 26-12

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (serial interface)

Connectable conductors. 

Only one conductor can be connected per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 1.5 mm

2

, AWG 28-16

Cable end sleeve (not insulated) 0.2 - 1.5 mm

2

, AWG 26-16

Cable end sleeve (insulated)

0.2 - 1.5 mm

2

, AWG 26-16

Tightening torque

0.2 - 0.25 Nm (1.77 - 2.21 lbf in)

Stripping length

7 mm (0.2756 in)

Terminal connection capacity (voltage measurement)

Connectable conductors. Only one conductor can be connected 

per terminal.

Single core, multi-core, 

fi ne-stranded

0.2 - 4 mm

2

, AWG 28-12

Cable end sleeve (not insulated) 0.2 - 2.5 mm

2

, AWG 26-14

Cable end sleeve (insulated)

0.2 - 2.5 mm

2

, AWG 26-14

Tightening torque

0.4 - 0.5 Nm (3.54 - 4.43 lbf in)

Stripping length

7 mm (0.2756 in)

Possible error

Cause

Remedy

No display

External fuse for the power supply voltage has 

tripped.

Replace fuse.

No current display

Measured voltage is not connected.

Connect the measured voltage.

Measurement current is not connected.

Connect measurement current.

Current displayed is

too large or too small.

Current measurement in the wrong phase.

Check connection and correct if necessary.

Current transformer factor is incorrectly programmed. Read out and program the current transformer 

transformation ratio at the current transformer.

Current harmonics exceed the current peak value 

at the measurement input

Install current transformer with a larger CT ratio.

The current at the measurement input was not 

achieved.

Install current transformer with a smaller current 

transformer ratio.

Voltage displayed is too large 

or too small.

Measurement in the wrong phase.

Check connection and correct if necessary.

Voltage transformer incorrectly programmed.

Read out and program the voltage transformer ratio 

at the voltage transformer.

Voltage displayed is too 

small.

Measurement range exceeded.

Install voltage transformers.

The peak voltage value at the measurement input has 

been exceeded by harmonic components.

Attention!

 Ensure the measurement inputs are not 

overloaded.

Device still does not work 

despite the above measures.

Device defective.

Send the device to the manufacturer for inspection 

and testing.

UMG 96 PQ-L (all variants)

UMG 96 PQ-L (IT variant)

Three-phase 4-conductor systems

with grounded neutral conductor

Three-phase 3-conductor 

systems

with grounded phase

Three-phase 3-conductor 

systems

not grounded

Three-phase 4-conductor systems

with non-grounded neutral conductor

(IT networks)

IEC U

L-N

 / U

L-L: 

417 V

LN 

/ 720 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

UL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

U

L-L: 

600 V

LL

U

L-L: 

600 V

LL

U

L-N

 / U

L-L: 

347 V

LN 

/ 600 V

LL

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

L1
L2

L3
E

E

N

E

L1
L2

L3
E

N

R

L1

L2
L3
E

E

L1

L2
E

E

L

N
E

E

L1

L2
L3
E

E

L1

L2

N

E

E

INFORMATION

You can identify the variant of 

UMG 96-PQ-L

 using the 

article number. The article number can be found on the 

nameplate of your measuring device:

 ·

UMG 96-PQ-L

52360x1

/

52360x2.

 ·

UMG 96-PQ-L (IT variant):

 

52360x5

.

e.g. connection 

to the UMG 604 

as a gateway

(master)

e.g. 

connection 

of additional 

slave devices

RS485 bus

Fig. 

UMG 96-PQ-L

B

A

A
B

Data GND

Identify the product variant

Variant

Grid system, 

Supply voltage

Art. No. on

nameplate

UMG 96-PQ-L

 

(without Class S)

TN / TT, 230 V

5236001

TN / TT, 24 V

5236002

TN / TT / IT, 230 V

5236005

UMG 96-PQ-L

Class S 

acc. to 

IEC 61000-4-30

TN / TT, 230 V

5236021

TN / TT, 24 V

5236022

TN / TT / IT, 230 V

5236025

V

1

V

2

V

3

V

N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

L1
L2
L3

L1
L2
L3

L1
L2
L3
N

Wall

Air fl ow

Air fl ow

Summary of Contents for UMG 96-PQ-L

Page 1: ...bar und in der N he des Ger ts anbringen f r das jeweilige Ger t kennzeichnen Die Versorgungsspannung nicht an den Spannungswandlern abgreifen F r den Neutralleiter eine Sicherung vor sehen wenn der N...

Page 2: ...021 TN TT 24 V 5236022 TN TT IT 230 V 5236025 L1 L2 L3 L1 L2 L3 L1 L2 L3 N Wand Luftstrom Luftstrom L2 L3 N L1 Last 3 ffen en nah n darf r es Bestimmungsgem e Verwendung Das Ger t ist f r den Einbau i...

Page 3: ...2 TN TT IT 230 V 5236025 L1 L2 L3 L1 L2 L3 L1 L2 L3 N Wand Luftstrom Luftstrom L2 L3 N L1 Last 3 en n ah darf s Bestimmungsgem e Verwendung Das Ger t ist f r den Einbau in Schaltschr nke und Instal la...

Page 4: ...V1 V2 V3 VN L1 L2 L3 E L1 L2 L3 E E L1 L2 N E V1 V2 V3 VN L1 L2 L3 L1 L2 L3 L1 L2 L3 N Technische Daten Versorgungsspannung Nennbereich Option 230 V AC 90 V 277 V 50 60 Hz oder DC 90 V 250 V 300 V CAT...

Page 5: ...teadressen abweichende Ger teadressen zum Master Ger t UMG 604 die gleiche bertragungsrate Baudrate den gleichen Datenrahmen Technische Daten Versorgungsspannung Nennbereich Option 230 V AC 90 V 277...

Page 6: ...andler Verh ltnisse kon gurieren Sie auch in der Ger te Kon gura tion der Software GridVis Vorgehen im Fehlerfall Anschlussverm gen der Klemmstellen Versorgungsspannung Anschlie bare Leiter Pro Klemms...

Page 7: ...y with the specifications on the rating plate Observe the limit values as described in the user manual In building installations secure the supply voltage with a UL IEC listed circuit breaker fuse The...

Page 8: ...21 TN TT 24 V 5236022 TN TT IT 230 V 5236025 L1 L2 L3 L1 L2 L3 L1 L2 L3 N Wall Air flow Air flow 3 The device is a multifunctional power analyzer that measures and calculates electrical parameters suc...

Page 9: ...5236025 L1 L2 L3 L1 L2 L3 L1 L2 L3 N Wall Air flow Air flow 3 The device is a multifunctional power analyzer that measures and calculates electrical parameters such as voltage current frequency power...

Page 10: ...1 L2 L3 E E L1 L2 L3 E E L1 L2 N E E V1 V2 V3 VN L1 L2 L3 L1 L2 L3 L1 L2 L3 N Technical data Supply voltage Nominal range 230 V option AC 90 V 277 V 50 60 Hz or DC 90 V 250 V 300 V CATIII 24 V option...

Page 11: ...04 as a gateway master e g connection of additional slave devices RS485 bus Fig UMG 96 PQ L B A A B Data GND Technical data Supply voltage Nominal range 230 V option AC 90 V 277 V 50 60 Hz or DC 90 V...

Page 12: ...y 1 Esc 13 In order to arrive back at the start display press key 1 Esc 3x and then key 2 Home Procedure in the event of errors 17 Terminal connection capacity supply voltage Connectable conductors On...

Reviews: