6
Specifications are subject to change without notice
WM23-96DS 080806
WM23-96
The possible module combinations
Basic unit
Slot A Slot B Slot C Slot D
Single analogue output
Dual analogue output
RS485 port
Single relay output
Single open collector output
Dual relay output
Dual open collector output
3 digital inputs
3 digital inputs + AUX
System variables
Three-phase active power
Three-phase apparent power
Three-phase power factor
(TPF)
Total harmonic distortion
Phase Variables
Instantaneous effective voltage
Instantaneous active power
Instantaneous power factor
Instantaneous effective current
Instantaneous apparent power
Instantaneous reactive power
Equivalent three-phase voltage
Three-phase reactive power
Neutral current
An= AL1+AL2+AL3
The available modules
Used Calculation Formula
• Alarm outputs
• Analogue outputs
N°
Variable
3-phase +
3-phase
Note
neutral
no neutral
1VL-N
Σ
xx
Σ
Σ = system
2VL-L
Σ
xx
Σ
Σ = system
3W
Σ
xx
Σ
Σ = system
4
var
Σ
xx
Σ
Σ = system
5
VA
Σ
x
x
Σ
Σ = system
6PF
Σ
xx
Σ
Σ = system
7
THD V (1)
x
x
if FFT is activated
8
THD A (1)
x
x
if FFT is activated
9A n
x
x
10
VA dmd
xx
11
W dmd
x
x
12
ASY
x
x
asymmetry
List of the variables that can be connected to:
Type
N. of
Ordering
channels
Code
WM23-96 400V L-L 5A (base)
AH2300
WM23-96 208V L-L 5A (base)
AH2301
WM23-96 100V L-L 5A (base)
AH2302
WM23-96 660V L-L 5A (base)
AH2303
WM23-96 400V L-L 5A (base)
“A” opt.
AH2300A
WM23-96 208V L-L 5A (base)
“A” opt.
AH2301A
WM23-96 100V L-L 5A (base)
“A” opt.
AH2302A
WM23-96 660V L-L 5A (base)
“A” opt.
AH2303A
24VAC power supply
AP1025
48VAC power supply
AP1024
115VAC power supply
AP1023
230VAC power supply
AP1022
18-60VAC/DC power supply
AP1021
90-260VAC/DC power supply
AP1020
20mADC analogue output
1
AO1050
10VDC analogue output
1
AO1051
±5mADC analogue output
1
AO1052
±10mADC analogue output
1
AO1053
±20mADC analogue output
1
AO1054
±1VDC analogue output
1
AO1055
±5VDC analogue output
1
AO1056
±10VDC analogue output
1
AO1057
20mADC analogue output
2
AO1026
10VDC analogue output
2
AO1027
±5mADC analogue output
2
AO1028
±10mADC analogue output
2
AO1029
±20mADC analogue output
2
AO1030
±1VDC analogue output
2
AO1031
±5VDC analogue output
2
AO1032
±10VDC analogue output
2
AO1033
Relay output
1
AO1058
Relay output
2
AO1035
Open collector output
1
AO1059
Open collector output
2
AO1036
Digital inputs
3
AQ1038
Digital inputs + AUX
3
AQ1042
RS485 serial port (2)
1
AR1034
RS232 serial port (2)
1
AR1039
Basic unit
Slot E
RS232 port
Where:
i = considered phase
(L1, L2 or L3)
T = considered vari-
able (V or A)
n = harmonic order
(1) The highest value among the three phases
(2) The RS232 communication port works as
alternative of the RS485 module.