3�5�2�- MEASURING THREE-PHASE NETWORKS WITH A 4-WIRE CONNECTION, CVM-C10-ITF-IN
MODEL�
Measurement system:
V
L1
V
L2
V
L3
N
L1
L2
L3
N
POWER SUPPLY
INPUTS
A
(+)
B
(-)
GND
RS485
S1
S2
S1
S2 S1
S2
L1
P1
P2
L2
L3
300V ~
Ph-N
Ph-Ph
520V ~
N
V
L3
L2
V
L1
V
P1
P2 P1
P2
I1 I2
OUTPUTS
Rc R2 R1
V
L1
V
L2
V
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
S1
S2
LN
P1
P2
Power
Supply
LOAD
Figure 5: Three-Phase Measuring with a 4-wire connection, CVM-C10-ITF-IN model�
16
CVM-C10
Instruction Manual
