CIRCUTOR CVM-C10 Series - Manual (Page 16)

3�4�5�- Measuring Three-Phase Networks with a 3-wire connection, CVM-C10-MC model�
Measurement system:
Power
Supply
V
L1
V
L2 V
L3
N
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
3P1
2P1
1P1
3P2
2P2
1P2
Br
own/Gr
een
Gr
ey/P
ink
Gr
een/W
hit
e
Red/Blue
LOAD
Figure 7: Three-Phase measuring with a 3-wire connection, CVM-C10-MC model�
The MC transformer secondary value is set to 0.250 A (fixed value)
16
CVM-C10
Instruction Manual