3�5�8�- Measuring Three-Phase Networks With A 3-Wire Connection And Transformers With An Aron Connection, Cvm-C11-Mc-In-485-Ict2 Model - Circutor CVM-C11 Instruction Manual

CVM-C11
3�5�8�- MEASURING THREE-PHASE NETWORKS WITH A 3-WIRE CONNECTION AND TRANSFORM-
ERS WITH AN ARON CONNECTION, CVM-C11-MC-IN-485-ICT2 MODEL
U
L1
L2
L3
Figure 11: Three-Phase measuring with a 3-wire connection and transformers with an ARON connection (CVM-C11-MC-IN-485-
Note: Do not connect MC current transformers to ground.
Instruction Manual
Measurement system:
Alimentación Auxiliar
A1(+)
U U
L1 L2 L3
U
L1
a b a
b
A B A B
CARGA /LOAD
The MC transformer secondary value is set to 0.250 A (fixed value).
3-ArON
Power Supply
A2(-)
POWER SUPPLY OUTPUTS INPUTS
A2(-) ROC
A1(+) R01 R02 DOC D01 D02 DIC DI1
P1 P2 P1 P2 P1
U U U
IL2
IL1
L1
L3 L2
U U U N
L1 L2 L3
S1 S2 S1 S2 S1
U
U
L2
L3
S1 S2
P1 P2
S1
P1
ICT2)�
RS-485
A(+) B(-)
DI2
P2 P1 P2
IL3 IN
S1
S2 S2
S2
P2
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