YOKOGAWA CW120 - Page 41

5-3
IM CW120-E
Wiring
5
5.2 Diagrams of Basic Wiring
The table below shows the correspondences between the voltage/current
units (sets of a unit + input number) displayed on the screen and the input
terminals for voltage and clamp-on current probes.
Wiring Method
(Phase Lines)
Single-phase two wires
(1∅2W)
Single-phase three wires
(1∅3W)
Three-phase three wires
(3∅3W)
Three-phase four wires*
(3∅4W)
Voltage Inputs
Ter minals: N-V1
Units: V1
Ter minals: N-V1, N-V2
Units: V1, V2
Ter minals: N-V1, N-V2
Units: V1, V2
Ter minals: N-V1, N-V2, N-V3
Units: V1, V2, V3
Current Inputs
Ter minals: CH1
Units: A1
Ter minals: CH1, CH2
Units: A1, A2
Ter minals: CH1, CH2
Units: A1, A2
Ter minals: CH1, CH2, CH3
Units: A1, A2, A3
* Only for CW121