Contrel EMM-M4H Instruction Manual Download Page 9

 

EMM-R4h EMM-

μ

4h 

instruction manual 

IM441-U v0.7 

pag. 9  

Programming of the serial parameters (only for vers. with serial output) 

On 

G

 display will appear the message 

SET

. The following message will appear on 

F

 display using the 

B

 and 

C

 keys. To 

confirm press the 

A

 key. 

8 1

 

8 data bit / 1 stop bit

 

PAR

 

No parity

 

NO 

8 2

 

8 data bit / 2 stop bit  

PAR

 

No parity 

NO 

8 1

 

8 data bit / 1 stop bit

 

PAR

 

Even parity 

EVE 

8 1

 

8 data bit / 1 stop bit 

PAR

 

Odd parity 

ODD 

 

Programming of the Password (

SET PAS

The instrument is supplied without password. When a password (from 0002 to 9999) is set, using the 

B

 (to increase), 

C

 

(to decrease) and 

A

 (to confirm) keys, only who know this value can to enter in the setup. The password, in fact, is 

required all the time that someone try to enter in the setup (pressing the 

A

 and 

B

 key at the same time). If the password 

is wrong, the message 

PASS ERR

 will appear on 

F

 display and the instrument go back to the measures visualization. 

To input the password, when required by the instrument, at the enter of the setup, use the 

A

B

 and 

C

 keys as the same 

way done previously. 

 

The menu is cyclic. After the last setting, the instrument go back to the first page of Setup (SETUP). It’s always possible 
to come back to measures visualization mode pressing at the same time the 

A

 and 

C

 keys. 

 

PEAK VALUES AND ENERGY COUNTERS RESET (

RESET

From the measures visualization mode, pressing the 

A

 and 

C

 keys simultaneously the message 

SETUP

 will appear on 

F

 

display, press the key 

C

 until the message 

RESET

 appears on the same display. To accede to the menu, press the 

A

 

key. Now it’s possible to select the enabling of cancellation type, by pressing the 

C

 key, according with following types: 

RESET PEA

: all maximum value will be delete. 

RESET AVG

: all average and average maximum value (maximum demand) will be delete. 

RESET EN

: with 

NORMAL

 as energy mode (

EN

) the total energy counters will be delete, with 

TOT PAR

 the partial 

energy counters will be delete. 

RESET ALL

:  to delete all average and maximum values and all energy hours counters. 

 

Entry to menu: 

seT UP 

  seT Up 

 

RESET 
SET DO1 
SET DO2 
SET HR_ 
--- OFF OFF

  

(the visualization depends on the settings and the I/O status)

 

 

RESET PEA 

NO

 / 

YES

 

 

Confirm Reset

 

Deleting maximum values (max) 

RESET AVG 

NO

 / 

YES

 

 

Confirm Reset

 

Deleting average values (avg) 
and maximum demand (maxD) 

RESET EN 

NO

 / 

YES

 

 

Confirm Reset

 

Deleting energy counters 

RESET ALL 

NO

 / 

YES

 

 

Confirm Reset

 

Deleting maximum and average 
values, and energy counters 

 

To enable the chosen type, press the 

B

 key to change the indication on display 

G

 from 

NO

 to 

yes

Confirm enabling cancellation, by pressing the 

A

 key. The indication on display 

G

 change from 

yes

 to  

---

  . 

 

PROGRAMMING OF THE DIGITAL OUTPUT (

SET DO1 

SET DO2

) (only for vers. with digital output) 

The DO1 and DO2 digital outputs have three modality of functioning: 

PULSE

, alarm (

ALR

) and 

REMOTE

 command. 

The DO1 modality setting is independent from DO2. For example it’s possible to set DO1 on 

PULSE

 (pulse emission) 

and DO2 on alarm mode (

ALR

). 

 

In the menu 

SET DO1

 and 

SET DO2

 it’s possible to program the function of all digital outputs. In these menus are 

available the following modality: 

PULSE

ALR

 and 

REMOTE

In 

PULSE

 mode the digital output DO1 will emit pulses proportional to the active energy counted while the digital output 

DO2 will emit pulses proportional to the reactive energy counted. The proportionality will depend from the 

PULSE

 set in 

the 

SETUP

 and the duration of the impulse is set in the 

TPL

 voice of the 

SETUP

The 

ALR

 modality is divided in two parts: 

ALR SYS 3PH

 and 

ALR SYS 123

. With 

ALR SYS 3PH

 the digital 

output will function as alarm verifying that the three phase value doesn’t exceed the threshold set (

ALR HI

 and 

ALR 

LO

). With 

ALR SYS 123

 the digital output will function as alarm verifying that the maximum value of the single phases 

doesn’t exceed the maximum threshold set (

ALR HI

) and that the minimum value of the single phases doesn’t come 

down the minimum threshold set (

ALR LO

). The activation of the alarm output will come after some seconds of delay 

set(

ALR DL

). 

In the 

REMOTE

 mode, the output status will be decided from the status of the correspondent MODBUS register (see 

protocol modbus manual for EMM). 

Summary of Contents for EMM-M4H

Page 1: ...c OPTIONS internal CT digital output in alternative to the serial port serial port in alternative to the digital output power supply different from standard version current input 1A MEASURED PARAMETERS parameters unit of measurement initial identification phase and three phase voltages V kV V L1 N V L2 N V L3 N V L N phase to phase and three phase system voltages V kV V L1 L2 V L2 L3 V L3 L1 V L L...

Page 2: ...tage range of measurable voltage L2 L3 phase to phase power supply 400V 300 500V phase to phase 175 290V phase neutral 230V 175 290V phase to phase 130 170V phase neutral 110V 85 145V phase to phase 50 85V phase neutral L3 N phase neutral power supply 230V 300 500V phase to phase 175 290V phase neutral 110V 175 290V phase to phase 100 170V phase neutral The standard version allows to apply the ins...

Page 3: ...TION ON THREE PHASE LINE WITH 4 WIRES AND 3 VT EMM P1 S1 P1 P1 P2 S1 S1 S2 INSERTION ON THREE PHASE LINE WITH 3 OR 4 WIRES on line with 3 wires without neutral or with neutral not supplied the N terminal must not be conneccted LOAD EMM P1 S1 P1 P1 P2 S1 S1 S2 N L1 L2 L3 N L1 L2 L3 ...

Page 4: ... P2 S1 S2 N L1 L2 L3 AMPEROMETRIC INSERTION ON THREE PHASE LINE WITH 2CT AARON insertion VOLTAGE INSERTION ON THREE PHASE LINE WITH 3 WIRES AND 2 VT This voltage insertion is possible only with the version with internal CT t suffix LOAD EMM L1 L2 L3 S2 S2 S1 S1 P2 P2 P1 P1 ...

Page 5: ...INSERTION ON BALANCED THREE PHASE LINE WITH 3 OR 4 WIRES on line with 3 wires without neutral or with neutral not supplied the N terminal must not be connected L1 L2 L3 LOAD EMM P1 P2 S1 S2 INSERTION ON SINGLE PHASE Only for models with power supply phase neutral Vaux L3 N N L ...

Page 6: ...D E energy counters excluded The voltage values are referred to the three phase system The k LED displays the reading in kilo x1000 Using the C key the display indicates the type of the energy displayed Using the A and B keys the display indicates the type of average or maximum value A C when pressing simultaneously the instrument pass to the following menu instrument programming SETUP energy coun...

Page 7: ...0 kW kVAr pulse version with digital output 01 0 kW kVAr pulse 0 10 kW kVAr pulse 0 01 kW kVAr pulse seT TPL Increase from 100 to 500 mS in step by 100 mS Decrease version with digital output seT ID ADR Increase Set address of network from 001 to 127 Decrease version with serial output seT SER BDR Set baud rate 19200 baud 19 2 serial interface 9600 baud 9 60 version with serial output 4800 baud 4 ...

Page 8: ... energy visualization type after the visualization of the temperature With TOT PAR will have the visualization of the partial and total energy counters With NORMAL there will be only the visualization of total counters that it s possible to reset from RESET menu Programming insertion mode 3PH In a unbalance three phase system it s necessary to set UN_BAL unbalance while in a balance system only on...

Page 9: ...um values and all energy hours counters Entry to menu seT UP seT Up RESET SET DO1 SET DO2 SET HR_ OFF OFF the visualization depends on the settings and the I O status RESET PEA NO YES Confirm Reset Deleting maximum values max RESET AVG NO YES Confirm Reset Deleting average values avg and maximum demand maxD RESET EN NO YES Confirm Reset Deleting energy counters RESET ALL NO YES Confirm Reset Delet...

Page 10: ...ress A key to confirm CHOOSE THE PARAMETER TO LINK TO THE DIGITAL OUTPUT With an alarm modality set it s necessary to select the parameters associated to the alarm output by pressing the B and C keys until the parameter choice appears on the third part L3 of F display and the glowing the corresponding led on the D bar Press A key to confirm the set SET THE HIGH AND THE LOW THRESHOLDS On F display ...

Page 11: ...eresis value With only the LO threshold set the alarm condition is activated when the parameter set in alarm drop below the threshold The digital output is enabled only if the alarm condition remain activated for all delay time set From the activation of the digital output the restore is automatic when the parameter grow above the hysteresis value With both LO and HI threshold set the alarm condit...

Page 12: ...ore time the B key to select the parameter and the A key to confirm it SET THE THRESHOLD Subsequently it s necessary to set the threshold using the B to increase and C to decrease keys Confirm with A key I O INFO PAGE After the hour counter set the I O info page appears in F displays on the second part L2 the status of the first digital output DO1 on the third part L3 the status of the second digi...

Page 13: ...same way of the section 1 press the C button to select the parameter that can be displayed and indicated from E LED The voltage values are of the three phase system the frequency is of the L3 channel Visualization energy and hours counters With the C key it s possible to visualize on F display the active reactive and apparent energy counters One segment of the right digit of the G display in corre...

Page 14: ...hase currents I L1 max avg I L2 max avg I L3 max avg max maxD avg maximum of average phase currents max demand three phase power W max avg VAr max avg VA max avg max maxD avg maximum of average three phase powers maximum demand phase currents I L1 avg I L2 avg I L3 avg max maxD avg average phase currents three phase power W avg Var avg VA avg max maxD avg average three phase powers NOTE relative t...

Page 15: ...verter and the end of the network last instrument connected Use always twisted cables with minimum section of 0 36mm2 22AWG and lower capacity of 60 pF m i e BELDEN cable type EIA RS485 Ref 3105A Shielded connection Should it be the case of long distance networks ambiences where there have been placed energy transporting cables or ambiences subject to be electrically disturbed it is suggested to u...

Page 16: ...ires 4 wires and single phase insertion in MT with external TV and transforming rate programmable from 0 1 to 400 0 current inputs from 0 02 to 5A permanent overload 30 from external TA with secondary 5A primary programmable from 5 to 10000A auto consumption 0 5VA INPUTS OUTPUTS digital outputs Two outputs with common optomos 12 230Vac dc max 150mA Insulation 3kV for 60 second Pulse Function Weigh...

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