WM2-96 Datasheet, PDF (2/9 Pages) List of Unclassifed Manufacturers – Energy Management Modular Power Analyzers

WM2-96
Input Specifications (cont.)
Decimal point position
Max. and min. indication
Voltage
Current (CT ratio = 1)
PF
Power (CT ratio = 1)
Active energy
Reactive energy
Sampling rate
Measurements
System variables
Total energies
Partial energies
Single phase variables
Measurement method
Instantaneous measurements:
Automatic selection accord-
ing to the current trans-
former ratio of the CT being
connected (max. indication -
single phase):
CT ratio ≤ 5 : 11.11 (25.00A)
CT ratio ≤50.0: 111.1 (250.0A)
CT ratio ≤ 500.0 : 1111 (2500A)
CT ratio ≤ 999.9 : 11110 (6000A)
Energy measurements:
max. resolution:1 Wh/1 VArh
min. resolution: 1 kWh/1 kVArh
Max. 600 min. 0
Max. 6.00 min. 0.00
Max. 1.00 min. 0.00
Max. 5.40 min. 0.00
Max. 999999 min. –199999
Max. 999999 min. 0
3 times / second
Ranges (impedances)
Frequency range
Over-load protection
Continuous: voltage/current
For 1 s
Voltage:
Current:
Keyboard
kW, kVAr, PF, VL-L, A,
kWh, kvarh
kWh, kvarh
(the meters are reset
automatically when the
values reach 14999*CT ratio)
kW, kVAr, PF, VL-N, A
TRMS measurement of a dis-
torted voltage/current wave
Coupling type: Direct
Crest factor: ≥ 3
250 V/433 V (≥400kΩ)
5 AAC (≤ 0.3 VA / ≤ 0.1Ω)
400V/690V (≥650kΩ)
48 to 62 Hz
Un: 250V (AV5), 400V (AV7)
In: 5A
1.2 Un /In
2 Un
20 In
4 keys:
”∆∇”:
- to enter programming
phase and password con-
firmation;
- for value programming
and basic measurement
scrolling.
“L”:
- for confirmation of new
programmed values and
going ahead to the next
programming step,
- single phase measure-
ment scrolling.
“R”:
- for the reset of the partial
counted active and/or
reactive energy.
Output Specifications
Pulse output (on request)
Number of outputs
Static type
(according to DIN 43864)
Relay type
Pulse duration
Insulation
Serial port (on request)
Type
Connections
Addresses
1, independent
From 0.1 to 999.9 pro-
grammable pulses for kWh,
KVArh, open collector (NPN
transistor)
VON 1.2 VDC/ max. 100 mA
VOFF 30 VDC max.
1 x SPDT
AC 1 - 8A, 250VAC
DC 12 - 5A,24VDC
AC 15 - 2.5A, 250VAC
DC 13 - 2.5A, 24VDC
200 ms (ON), ≥ 200 ms (OFF)
By means of optocouplers,
4000 Vrms output to
measuring input,
4000 Vrms output to
supply input.
RS422/RS485;
Multidrop bidirectional (static
and dynamic variables)
4 wires, max. distance
1200m, termination directly
on the module
1 to 255, selectable
by key-pad
Protocol
Data (bidirectional)
Dynamic (reading only)
Static (writing only)
Data format
Baud-rate
Insulation
MODBUS/JBUS
System variables:
P, Q, PF, VL-L,
energies,
Single phase variables:
PL1, QL1, PFL1, VL1-N, AL1,
PL2, QL2, PFL2, VL2-N, AL2,
PL3, QL3, PFL3, VL3-N, AL3
All programming data, reset
of energy:
- partial kWh
- partial kVArh
- total kWh
- total kVArh
Stored energy (EEPROM)
≤ 999999 kWh
≤ 999999 kVArh
1-start bit, 8-data bit, no
parity/even parity, 1 stop bit
1200, 2400, 4800 and 9600
selectable bauds
By means of optocouplers,
4000 Vrms output to
measuring inputs
4000 Vrms output to
supply input
2
Specifications are subject to change without notice WM2-96DS0303