Circutor CVM-C11 Instruction Manual page 24

3�5�11�- MEASURING TWO-PHASE NETWORKS WITH A 3-WIRE CONNECTION, CVM-C11-MC-IN-485-
ICT2 MODEL
Note: Do not connect MC current transformers to ground.
24
Measurement system:
U N U
L2
L1
a b a
b
A B A B
L1
L2
N
CARGA /LOAD
Figure 14: Measuring Two-Phase Networks with a 3-wire connection (CVM-C11-MC-IN-485-ICT2)�
The MC transformer secondary value is set to 0.250 A (fixed value).
3-2Ph
Alimentación Auxiliar
Power Supply
A1(+) A2(-)
POWER SUPPLY OUTPUTS
A2(-)
A1(+) ROC R01 R02 DOC D01 D02 DIC
P1 P2 P1
U
U U
IL2
L1 IL1
L3 L2
U U U N
L1 L2 L3
S1 S2 S1 S2
U
U N
L1
L2
S1
S2
P2
P1
S1
P1
INPUTS RS-485
DI1 DI2 A(+) B(-)
P2 P1 P2 P1 P2
IL3 IN
S1
S1 S2 S2
S2
P2
S1
S2
P2
P1
Instruction Manual
CVM-C11