3�4�- CONNECTION DIAGRAM
3�4�1�- MEASURING THREE-PHASE NETWORKS WITH A 4-WIRE CONNECTION
Measurement system:
4-3Ph
U
L1
U
L2
U
L3
N
L1
L2
L3
N
U
L1
U
L2
U
L3
a
b
A
B
a
b
A
B
S1
S2
P1
P2
S1
S2
P1
P2
S1
S2
P1
P2
S1
S2
P1
P2
a
b
A
B
Alimentación Auxiliar
Power Supply
CARGA /LOAD
POWER SUPPLY
OUTPUTS
INPUTS
RS-485
A1(+)
A2(-)
ROC R01 R02
DOC D01 D02
DIC DI1 DI2 A(+) B(-)
IL1
IL2
IL3
IN
S1
S2
S1
S1
S1
S2
S2
S2
P2
P1
P2
P1
P2
P1
P2
P1
A1(+)
A2(-)
U
L1
U
L2
U
L3
N
U
L1
U
L3
U
L2
Figure 2: Three-Phase measuring with a 4-wire connection�
10
CVM-C11
Instruction Manual
