CIRCUTOR CVM-C10 Series - Manual (Page 12)

3.4.- CONNECTION DIAGRAM
3�4�1�- Measuring Three-Phase Networks with a 4-wire connection, CVM-C10-ITF and
CVM-C10-mV model�
Measurement system:
Power
Supply
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 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 3: Three-Phase measuring with a 4-wire connection, CVM-C10-ITF and CVM-C10-mV model�
12
CVM-C10
Instruction Manual