Cvm-C10-Mv Models - Circutor CVM-C10 Instruction Manual

3�5�10�- MEASURING TWO-PHASE NETWORKS WITH A 3-WIRE CONNECTION, CVM-C10-ITF, CVM-
C10-MC AND CVM-C10-mV MODELS�
Figure 13: Measuring Two-Phase Networks with a 3-wire connection, CVM-C10-ITF, CVM-C10-MC and CVM-C10-mV models�
Note: Do not connect MC current transformers to ground.
(1)
24
Measurement system:
V N
V
L1
L2
b a
a
A B A
L1
L2
N
CVM-C10-ITF model:
The transformer secondary value must be 5A or 1A
CVM-C10-MC model:
The MC transformer secondary value is set to 0.250 A (fixed value)
CVM-C10-mV model:
The transformer secondary value must be 0.333 V
POWER SUPPLY
Ph-Ph
520V ~
V V
L1 L2
V V
L1 L2
b
B
Power
Supply
OUTPUTS
S0- S0+ S0+
RS485 INPUTS
A(+) B(-) I1 I2
Rc R2 R1 Tc T2 T1
GND
Ph-N
300V ~
P1 P2 P1 P2 P1 P2
L1 L2 L3
V N
L3
S1 S2 S1 S2 S1 S2
N
(1)
S1 S2
P1 P2
S1 S2
P1 P2
LOAD
CVM-C10
Instruction Manual