Specifications are subject to change without notice
WM23-96DS 080806
3
WM23-96
no parity, 1 stop bit
Baud-rate
9600 bauds
Protocol
MODBUS/JBUS (RTU)
other data
as per RS422/485
Digital outputs
(on request)
To be used as alarms or
remote control.
Alarm outputs
(on request)
Number of outputs
up to 2, independent
Alarm type
Up alarm, down alarm
Variables to be controlled
see the “List of the variables
that can be connected...”
Set-point adjustment
from 0 to 100% of the
electrical scale
Hysteresis
from 0 to 100% of the
electrical scale
On-time delay
0 to 255s
Relay status
Selectable, normally
de-energized and normally
energized
Output type
Relay, SPDT type
AC 1-8A @ 250VAC
DC 12-5A @ 24VDC
AC 15-2.5A @ 250VAC
DC 13-2.5A @ 24VDC
Min. response time
≤ 150 ms, filter excluded,
FFT excluded, setpoint
on-time delay: “0 s”
Insulation
By means of optocouplers,
4000 VRMS output to
measuring input,
4000 VRMS output to
supply input.
Note
The outputs can be either
relay type or open collector
type (VON 1.2VDC/Max.
100mA, VOFF 30VDC Max.).
Insulation like relay outputs.
Output Specifications (cont.)
Page 5: PF L1(min),
PF L2 (min),
PF L3 (min)
Page 6: W L1, W L2, W L3
Page 7: W L1 (max),
W L2 (max),
W L3 (max)
Page 7: “A” option:
AL1 (max)
AL2 (max)
AL3 (max)
Page 8: var L1, var L2, var L3
Page 9: VA L1, VA L2, VA L3
Page 10: AL1 (alarm 1)
Page 11: AL2 (alarm 2)
Page 12: W
∑, PF∑, var∑, Hz
Page 13: W
∑, PF∑, VA∑, Hz
Page 14: W
∑ (max), PF∑ (min)
Page 15: W dmd, VA dmd, r.t.
Page 16: W dmd (max),
VA dmd (max)
Page 17: THD VL1, THD VL2,
THD VL3
Page 17: THD AL1,
THD AL2, THD AL3
Password
Numeric code of max
4 digits; 2 protection levels
of the programming data
1st level
Password “0”, no protection
2nd level
Password from 1 to 1000, all
data are protected.
Transformer ratio
CT from 1 to 5000
VT from 1.0 to 1999, where
CT x VT
≤ 10000
Power demand (dmd)
Integration time
Programmable from 1 to 30 min
Filter
Filter operating range
From 0 to 100% of the
input electrical scale
Filtering coefficient
1 to 16
Filter action
Measurements, alarms, serial
port (fundamental variables:
V, A, W and their derived ones).
Page Variables
Up to 4 by page
Three-phase system with neutral
Page 1: V L1, V L2, V L3,
V LN
∑
Page 2: V L12, V L13, V L31,
V
∑
Page 3: A L1, A L2, AL3, An
Page 4: PF L1, PF L2,
PF L3, PF
∑
Software Functions
AC voltage
90 to 260 VDC/VAC
18 to 60VDC/VAC
24 VAC -15+10% 50-60Hz
48 VAC -15+10% 50-60Hz
115VAC -15+10% 50-60Hz
230 VAC -15+10% 50-60Hz
Power consumption
≤ 30VA/12W (90 to 260V)
≤ 20VA/12W (18 to 60V)
Supply Specifications