3�5�15�- Measuring Single-Phase Networks, Phase To Neutral, With A 2-Wire Connection, Cvm-C10-Itf, Cvm-C10-Mc And Cvm-C10-Mv Models - Circutor CVM-C10 Instruction Manual

CVM-C10
3�5�15�- MEASURING SINGLE-PHASE NETWORKS, PHASE TO NEUTRAL, WITH A 2-WIRE CONNEC-
TION, CVM-C10-ITF, CVM-C10-MC AND CVM-C10-mV MODELS�
L1
N
Figure 18: Measuring Single-Phase Networks, phase to neutral, with a 2-wire connection, CVM-C10-ITF, CVM-C10-MC and CVM-
Note: Do not connect MC current transformers to ground.
(1)
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
Instruction Manual
Measurement system:
N
V
L1
V
L1
a b
A B
C10-mV models�
Power
Supply
OUTPUTS
S0- S0+ S0+
RS485 INPUTS
A(+) B(-) I1 I2
POWER SUPPLY
Rc R2 R1 Tc T2 T1
GND
Ph-Ph Ph-N
300V ~
520V ~
P1 P2 P1 P2 P1
L1 L2
V V V N
L1 L2 L3
S1 S2 S1 S2 S1
N
(1)
S1
S2
P1
P2
P2
L3
S2
LOAD
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