Carlo Gavazzi WM3-96 - Manual (Page 58)

59
▲ ▲
Technical features
57
Energy Management
63
56 64
Additional errors
0 to
±
10mADC, 0 to
±
5mADC, 0 to 10VDC,
0 to
±
10VDC, 0 to
±
5VDC, 0 to
±
1VDC.
• Scaling factor: programmable within the whole range of
retransmission; it allows the retransmission management of
all values from:
0 to 20mADC, 0 to
±
20mADC, 0 to
±
10mADC,
0 to
±
5mADC, 0 to 10VDC, 0 to
±
10VDC,
0 to
±
5VDC, 0 to
±
1VDC
• Response time:
≤
200ms typical (filter excluded, FFT ex-
cluded, 3 1 /
2
dgt indication)
• Ripple:
≤
1% according to IEC60688-1 and EN60688-1
• Temperature drift: 200 ppm/
°
C
• Load:
0 to 20mADC:
≤
600
Ω
; 0 to
±
20mADC:
≤
550
Ω
0 to
±
10mADC:
≤
1100
Ω
; 0 to
±
5mADC:
≤
2200
Ω
0 to 10VDC:
≥
10k
Ω
; 0 to
±
10VDC:
≥
10k
Ω
0 to
±
5VDC:
≥
10k
Ω
; 0 to
±
1VDC:
≥
10k
Ω
Insulation: by means of optocouplers, 4000 Vrms between
output and measuring inputs, 4000 Vrms between output
and power supply inputs.
RS422/RS485 SERIAL OUTPUT (on request):
• Type: bidirectional multidrop (static and dynamic variables).
• Connections: 2 or 4 wires, max. distance 1200m, termination
directly on the module.
• Addresses: from 1 to 255, key-pad programmable.
• Protocol: MODBUS/JBUS
Data (bidirectional):
Dynamic (reading only)
System variables: P,P
AVG
,S, Q, cos
ϕ
, V
L
-
L
, f, THD energies,
status of digital inputs and status of the alarm output.
Single phase variables:
P
L1
, S
L1
, Q
L1
, cos
ϕ
L1
, V
L1
, A
L1
, THD
L1
, P
L2
, S
L2
, Q
L2
, cos
ϕ
L2
, V
L2
,
A
L2
, THD
L2
, P
L3
, S
L3
, Q
L3
, cos
ϕ
L3
, V
L3
, A
L3
, THD
L3
Static (writing only)
All programming data, reset of energies, activation of the static
output.