Mitsubishi Electric EMU4-BD1-MB, Manual

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Product Lineup
Specifications
Examples of EcoMonitorLight Applications
External View
Names and Functions of Each Part
Connection Configurations /Wiring Precautions
Communication Unit Wiring and Setting Procedures
Energy measuring devices
Model Name/ Specifications
Safety Precautions
Device Installation Procedures
Features
Memo
Product Lineup
Specifications
Examples of EcoMonitorLight Applications
External View
Names and Functions of Each Part
Connection Configurations /Wiring Precautions
Communication Unit Wiring and Setting Procedures
Energy measuring devices
Model Name/ Specifications
Safety Precautions
Device Installation Procedures
Features
Memo
16 15
Recommended cable
4.Specifications
Energy Measuring Unit Energy Measuring Unit
ON
3 ms or less
OFF
30 ms or more
30 ms or more
ON
3 ms or less
OFF
30 ms or more
30 ms or more
Apparent power, harmonic current, harmonic voltage, pulse count value, periodic electric energy and CO
2
conversion value
Item
Voltage
circuit
Current circuit
Frequency
Instrument
ratings
Exter
nal
input specifications
Exter
nal
output specifications
Pulse Output Specifications
Power
interruption
backup
Model
Phase wire system
50A, 100A, 250A, 400A, 600A AC
(Dedicated split current sensor is used. All values indicate primary current values of current sensor.)
5A AC
(Dedicated 5A current sensor is used. A transformer (CT) is used in two-step configuration together with
the 5A current sensor in order to allow a maximum primary current value setting of 6,000 A.)
(
*
4)
Single-phase 2-wire
Single-phase 3-wire
3-phase 3-wire
110V AC(between wires 1 and 2, and 2 and 3), 220V AC (between wires 1 and 3)
50 Hz to 60 Hz (Automatic frequency selection ）
Input signal format
Auxiliary power rating
100V ー 240V AC （＋ 10% 、ー 15% ） 50Hz ／ 60Hz
Data update cycle 250 ms *Electric energy and reactive electric energy are always sampled (following short-cycle load fluctuation also).
Demand time limit setting
0 sec, 10 sec, 20 sec, 30 sec, 40 sec, 50 sec, 1-15 min. (per 1 min.), 20 min, 25 min and 30 min.
Main unit tolerances
(
*
5)
Current, voltage, power, reactive power, apparent power, frequency: ± 1.0% (relative to rated input)
Power factor: ± 3.0%
Electric energy: ± 2.0% (in 5 to 100% range of rated values; Power factor = 1)
Reactive electric energy: ± 2.5% (in 10 to 100% range of rated values; Power factor = 0)
Harmonic current, harmonic voltage: ± 2.5%
No. of measurement circuits
Consumption VA
1
3-phase 4-wire
For each phase: 0.1 VA (110V AC), 0.2 VA (220V AC), 0.4 VA (440V AC)
Voltage circuit
110V AC : 9VA
220V AC : 10VA
Auxiliary power circuit
Min.: 63.5V/110V AC , Max.: 277 V/480V AC
(
*
3)
Non-voltage a contact, 1 input (Select from the below functions)
Insulation type
Photocoupler insulation
Input
conditions
Pulse
Pulse-on time: 30 ms or more
Pulse-off time: 30 ms or more
Chattering time: 3 ms or less
Contacts
Contact on time: 30 ms or more
Contact off time: 30 ms or less
Chattering time: 3 ms or less
Rated input voltage/current
Output signal type Non-voltage a contact, 1 output (Select from the below functions)
Insulation type
Semiconductor relay insulation
Output item Electric energy
Insulation type
Semiconductor relay insulation
Output pulse width
0.1 〜 0.15s
Output signal type
Non-voltage a contact, 1 output
・ Pulse units (kWh/pulse): 0.001, 0.01, 0.1, 1, 10, 100
Refer to the operation manual of a main unit for the details of a pulse setup.
Recorded items
Set values, electric energy (consumption, regenerative), reactive electric energy, periodic electric energy,
pulse count value and operating time(Stored in the nonvolatile memory)
Rated switching voltage/current
DC35V 、 75mA
AC24V
、
75mA
（
Power factor = 1
）
Rated switching voltage/current
DC35V
、
75mA
AC24V 、 75mA （ Power factor = 1 ）
Functions
Automatic reset/Self-retention
can be selected
Monitoring of current demand upper limit
Monitoring of current demand lower limit
Monitoring of voltage upper limit
Monitoring of voltage lower limit
Monitoring of power demand upper limit
Monitoring of power demand lower limit
Monitoring of power factor upper limit
Monitoring of power factor lower limit
Monitoring of pulse count upper limit
Functions
Set to pulse input: Pulse count (0 to 999,999 count)
Set to contact input: Contact monitoring only
During contact moni Electric energy measurement during operation (contact on)
110V, 220V, 440V AC Common
(
*
2)
Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire
and three-phase 4-wire (Settings switching)
EMU4-HD1-MB
Specification
Use a voltage/current that is appropriate for this switching due to the DC 5 V/7 mA current that flows in the contacts.
Measured items
Current, demanded current, voltage, power, demanded power, reactive power, power factor, frequency,
electric energy (consumption, regenerative), reactive electric energy and operating time
General Specifications
*1: 110 V and 220 V can be connected directly. An externally mounted voltage transformer (VT) is needed for voltages greater than those (primary voltage of up to a maximum of 6,600 V).
*2: 110 V, 220 V and 440 V can be connected directly. An externally mounted voltage transformer (VT) is needed for voltages greater than those (primary voltage of up to a maximum of 6,600 V).
*3: 63.5 V / 110 V - 277 V / 480 V can be connected directly. An externally mounted voltage transformer (VT) is needed for voltages greater than those (primary voltage of up to a maximum of 6,600 V).
*4: The settable primary current when using a 5A current sensor is as follows:
5A
、
6A
、
7.5A
、
8A
、
10A
、
12A
、
15A
、
20A
、
25A
、
30A
、
40A
、
50A
、
60A
、
75A
、
80A
、
100A
、
120A
、
150A
、
200A
、
250A
、
300A
、
400A
、
500A
、
600A
、
750A
、
800A
、
1000A
、
1200A
、
1500A
、
1600A
、
2000A
、
2500A
、
3000A
、
4000A 、 5000A 、 6000A
(The CT primary side can be freely specified up to 6,000 A. However, the CT secondary side is fixed at 5 A.)
*5: Refer to “Specifications: Options (Split Current and 5A Current Sensors)” on p. 19 for the current sensor error ratios.
Physical interface
RS485 2wires half duplex
Communication protocol MODBUS
®
RTU mode
Transmission method Asynchronous
Transmission wiring type Multi-drop bus (either directly on the trunk cable, forming a daisy-chain)
Baud rate
2400 、 4800 、 9600 、 19200 、 38400bps （ default: 19,200 bps ）
Data bit
8
Response time 1s or shorter from completion of receiving query data to response transmission
Terminating resistor
120Ω 1/2W
1,200m
31 devices
Transmission distance
Maximum connectable devices
SPEV （ SB ） -MPC-0.2×3P (Mitsubishi cable industries)
Stop bit
1,2 （ default: 1 ）
Parity bit
ODD 、 EVEN 、 NONE （ default:EVEN ）
Slave address
1 〜 255 （ FFh ） （ default: 1 ）
0: Broadcast
Item Specification
Specifications of MODBUS ® RTU Communication
Item Specification
Model EMU4-HD1-MB
Compatible standards
Operating environment
Commercial-frequency withstand voltage
EMC:EN-61326-1:2006
Safety:EN-61010-1:2010
Insulation resistance
Compatible
wiring
Tightening
torque
In the same locations described above: 10 MΩ or more （ 500V DC ）
Applies to all current/voltage inputs and auxiliary power terminals,
between all digital/pulse input, pulse/alarm output and communication terminals: 2,000V AC for 1min.
Operating temperature range
ー
5℃
〜
+55℃
（
average daily temperature of 35°C or less
）
Auxiliary power/Voltage input terminal
Auxiliary power/Voltage input terminal screw 0.8 〜 1.0N ・ m
Weight
0.3kg
External dimensions (units: mm) 75
（
W
）
×90
（
H
）
×75
（
D
） （
Excluding protruding parts
）
Current input and input/output terminal screw 0.5
〜
0.6N
・
m
Board installation screw 0.63N
・
m
Current input and input/output terminal AWG22-14 （ Single/Stranded wire ） （ Single wire: φ0.65 to φ1.62 mm; Stranded wire: 0.35 to 2.0 2 ）
AWG24-14 （ Single/Stranded wire ）
（
Single wire: φ0.41 to φ1.62 mm,
Stranded wire: 0.13 to 2.0 mm
2
）
Operating humidity range 30% 〜 85% （ no condensation ）
Applies to all terminals （ excluding communication and frame GND terminals ） , between external boards: 2,000V AC for 1 min.
Applies to all current/voltage inputs, between auxiliary powers: 2,000V AC for 1 min.
Storage temperature range ー 10℃ 〜 +60℃
Altitude 2,000 m or less
EMU4-BD1-MB
AWG24-16 （ Single/Stranded wire ）
（
Single wire: φ0.52 to φ1.29 mm,
Stranded wire: 0.21 to 1.3 mm
2
）
0.8N ・ m
0.2kg
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
ー
EMU4-BD1-MB
Single-phase 2-wire, single-phase 3-wire
and three-phase 3-wire (Settings switching)
110V, 220V AC Common
(
*
1)