3�5�5�- Measuring Three-Phase Networks With A 3-Wire Connection, Cvm-C11-Mc-In-485-Ict2; Model - Circutor CVM-C11 Instruction Manual

3�5�5�- MEASURING THREE-PHASE NETWORKS WITH A 3-WIRE CONNECTION, CVM-C11-MC-IN-
485-ICT2 MODEL
Note: Do not connect MC current transformers to ground.
18
Measurement system:
U U U
L1 L2 L3
a b a
b
A B A B
L1
L2
L3
CARGA /LOAD
Figure 8: Three-Phase measuring with a 3-wire connection (CVM-C11-MC-IN-485-ICT2)�
The MC transformer secondary value is set to 0.250 A (fixed value).
3-3Ph
Alimentación Auxiliar
Power Supply
A1(+) A2(-)
POWER SUPPLY OUTPUTS
A2(-) ROC
A1(+) R01 R02 DOC
U
U U
L1 L3 L2
U U U N
L1 L2 L3
U
U
U
L2
L1
L3
INPUTS RS-485
A(+) B(-)
D01 D02 DIC DI1 DI2
P1 P2 P1 P2 P1 P2 P1 P2
IL2 IL3 IN
IL1
S1
S1 S2 S1 S2 S1 S2 S2
Instruction Manual
CVM-C11