YOKOGAWA CW140, User Manual, Page: 28 / 292

IM CW140-E
3-6
3.4 Diagrams of Basic Wiring
(4) 3
φ φφ
φ φ 3W3i
(5) 3
φ φφ
φ φ 4W
When connecting the current-sensing clamp, make sure the following polarities and clamp
position are correctly identified.
1 When connecting to
the CW140 main unit:
H and L polarities
2 The clamp should be
positioned in the
direction from the
power source side to
the load side, as
indicated by the
arrow.
WARNING
In addition to using the checking wiring function, be sure to verify the actual wiring connections.
3
R
S
T
V3 CH3
I3
CH2
I2
1
2
N V1 CH1
I1
Voltage input terminals Current input terminals
On-screen symbol
S
O
U
R
C
E
L
O
A
D
N
R
S
N
3
T
V2 V3 CH3
I1 I3
CH2
I2
1
2
N V1 CH1
Voltage input terminals Current input terminals
On-screen symbol
S
O
U
R
C
E
L
O
A
D
Conductor
cable
Power supply side
(SOURCE)
Load side
(LOAD)
Connector on the main unit