Cvm-C11-Mc-In-485-Ict2 Model - Circutor CVM-C11 Instruction Manual

CVM-C11
3�5�20�- MEASURING THREE-PHASE NETWORKS WITH A 3-WIRE AND EARTH CONNECTION, CVM-
C11-MC-IN-485-ICT2 MODEL
L1
L2
L3
Figure 23: Measuring three-phase networks with a 3-wire and earth connection (CVM-C11-MC-IN-485-ICT2)�
Note: Do not connect MC current transformers to ground.
Instruction Manual
Measurement system:
Alimentación Auxiliar
Power Supply
A1(+)
U U
L2
L1
CARGA /LOAD
The MC transformer secondary value is set to 0.250 A (fixed value).
3-3IT
A2(-)
POWER SUPPLY OUTPUTS INPUTS
A2(-) ROC
A1(+) R01 R02 DOC D01 D02 DIC DI1 DI2
P1 P2 P1 P2 P1
U
U U
IL2 IL3
L1 L3 L2 IL1
U U U N
L1 L2 L3
S1 S2 S1 S2 S1 S2
U
L3
RS-485
A(+) B(-)
P2 P1 P2
IN
S1
S2
S1
S2
P2
P1
33