Circutor CVM-C11 - Page 24

3.5.11.- MEASURING TWOPHASE NETWORKS WITH A 3WIRE CONNECTION, CVMC11MCIN485
ICT2 MODEL
Measurement system: 3-2Ph
UL1
UL2
N
L1
L2
N
UL1
UL2
a b
A B
a
b
A B
S1
S2
P1
P2
S1
S2
P1
P2
S1
S2
P1
P2
N
Alimentación Auxiliar
Power Supply
CARGA /LOAD
POWER SUPPLY OUTPUTS INPUTS RS-485
A1(+)
A2(-)
R01 R02 D01 D02 DI1 DI2
A(+) B(-)
IL1
IL2
IL3
IN
S1
S2
S1 S1
S1
S2 S2 S2
P2
P1
P2
P1
P2P1 P2P1
U
L1
U
L2
U
L3
N
U
L1
U
L3
U
L2
A1(+) A2(-)
ROC DOC DIC
Figure 14: Measuring Two-Phase Networks with a 3-wire connection (CVM-C11-MC-IN-485-ICT2).
Note: Do not connect MC current transformers to ground.
The MC transformer secondary value is set to 0.250 A (fixed value).
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CVM-C11
Instruction Manual