3�3�- Unit Terminals; 3�3�1�- Model Cvm-C5-Xxx-485-C - Circutor CVM-C5 Series Instruction Manual

CVM-C5-xxx-485
Thepowerandvoltagemeasuringcircuitmustbeconnectedwithcablesthathaveaminimum
cross-sectionof1mm
Thesecondarylineofthecurrenttransformerwillhaveaminimumcross-sectionof2�5mm
Thetemperatureratingofinsulationofwiresconnectedtothedevicewillbeatminimum62ºC�
3�3�-UNITTERMINALS
3�3�1�- MODEL CVM-C5-xxx-485-C
1 :AuxiliaryPowerSupply
2:AuxiliaryPowerSupply
3: SO+,Transistoroutput
4: SO-, Transistoroutput
5: A(+),RS485
6: B(-),RS485
7: GND,forRS485
8: V , L1voltageinput
L1
9: V , L2voltageinput
L2
Instruction Manual
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2
Table 2:List of CVM-C5-xxx-485-C terminals�
Device terminals
2
1
POWER SUPPLY
Ph-Ph Ph-N
520V ~ 300V ~
V
V
V N
L1
L2 L3
8
9 10 11
Figure 1: CVM-C5-xxx-485-C terminals�
10: V , L3voltageinput
L3
11: N, neutral
12: S ,L1currentinput
1
13: S , L1currentinput
2
14: S , L1currentinput
2
15: S , L2currentinput
2
16: S , L3currentinput
1
17: S , L3currentinput
2
3 4 5
6
OUTPUT
RS485
S0+ S0-
A B GND
(+) (-)
P1 P2 P1 P2 P1 P2
L1 L2 L3
S1 S2 S1 S2 S1 S2
12 13 14
15 16
2
7
17
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9