3�5�6�- MEASURING THREE-PHASE NETWORKS WITH A 3-WIRE CONNECTION, CVM-C10-ITF AND
CVM-C10-mV MODEL�
Measurement system:
Power
Supply
V
L1
V
L2
V
L3
L1
L2
L3
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
Tc T2 T1
S0- S0+ S0+
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
LOAD
Figure 9: Three-Phase measuring with a 3-wire connection, CVM-C10-ITF and CVM-C10-mV model�
20
CVM-C10
Instruction Manual