Specifications - Mitsubishi Electric EcoMonitorLight EMU4-BD1-MB Manual

4.Specifications
Energy Measuring Unit Energy Measuring Unit
General Specifications
Phase wire system
Voltage
circuit
Instrument
ratings
Auxiliary power rating
No. of measurement circuits
Consumption VA
Measured items
Main unit tolerances
Data update cycle
Demand time limit setting
Input signal format
Rated input voltage/current
Input
conditions
Output signal type
Rated switching voltage/current
Output signal type
Rated switching voltage/current
Output pulse width
Power
interruption
backup
15
Item
Model
Single-phase 2-wire, single-phase 3-wire, three-phase 3-wire
and three-phase 4-wire (Settings switching)
Single-phase 2-wire 110V, 220V, 440V AC Common
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)
3-phase 4-wire Min.: 63.5V/110V AC , Max.: 277 V/480V AC
50A, 100A, 250A, 400A, 600A AC
(Dedicated split current sensor is used. All values indicate primary current values of current sensor.)
5A AC
Current circuit
(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.)
Frequency
50 Hz to 60 Hz (Automatic frequency selection）
100Vー240V AC （＋10%、 ー15%） 50Hz／60Hz
1
Voltage circuit
For each phase: 0.1 VA (110V AC), 0.2 VA (220V AC), 0.4 VA (440V AC)
110V AC : 9VA
Auxiliary power circuit
220V AC : 10VA
Current, demanded current, voltage, power, demanded power, reactive power, power factor, frequency,
electric energy (consumption, regenerative), reactive electric energy and operating time
Apparent power, harmonic current, harmonic voltage, pulse count value, periodic electric energy and CO
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)
( 5)
Reactive electric energy: ± 2.5% (in 10 to 100% range of rated values; Power factor = 0)
Harmonic current, harmonic voltage: ± 2.5%
250 ms
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.
Non-voltage a contact, 1 input (Select from the below functions)
Set to pulse input: Pulse count (0 to 999,999 count)
Functions
Set to contact input: Contact monitoring only
Insulation type
Photocoupler insulation
Use a voltage/current that is appropriate for this switching due to the DC 5 V/7 mA current that flows in the contacts.
Pulse-on time: 30 ms or more
Pulse
Pulse-off time: 30 ms or more
Chattering time: 3 ms or less
Contact on time: 30 ms or more
Contacts
Contact off time: 30 ms or less
Chattering time: 3 ms or less
Non-voltage a contact, 1 output (Select from the below functions)
Monitoring of current demand upper limit
Monitoring of current demand lower limit
Monitoring of voltage upper limit
Monitoring of voltage lower limit
Functions
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
Insulation type
Semiconductor relay insulation
DC35V、 75mA
AC24V、 75mA （Power factor = 1）
Output item
Electric energy
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.
Insulation type
Semiconductor relay insulation
DC35V、 75mA
AC24V、 75mA （Power factor = 1）
0.1〜0.15s
Set values, electric energy (consumption, regenerative), reactive electric energy, periodic electric energy,
Recorded items
pulse count value and operating time(Stored in the nonvolatile memory)
Specification
EMU4-HD1-MB
*
( 2)
*
( 3)
*Electric energy and reactive electric energy are always sampled (following short-cycle load fluctuation also).
During contact monitoring + Electric energy measurement during operation (contact on)
ON
OFF
ON
OFF
Automatic reset/Self-retention
can be selected
EMU4-BD1-MB
Single-phase 2-wire, single-phase 3-wire
and three-phase 3-wire (Settings switching)
110V, 220V AC Common
*
( 4)
conversion value
2
3 ms or less 30 ms or more
30 ms or more
3 ms or less 30 ms or more
30 ms or more
*
( 1)
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