YOKOGAWA WT332E User Manual page 65

Wiring Example of a Single-Phase, Three-Wire System (1P3W)
The wiring is connected to input elements 1 and 3.
SOURCE
N
±
V
C
±
Element 1
(V1, A1)
Wiring Example of a Three-Phase, Three-Wire System (3P3W)
The wiring is connected to input elements 1 and 3.
Measure the line voltage using S-phase power as the reference.
SOURCE
R
S
T
±
V
C
±
Element 1
(V1, A1)
Wiring Example of a Three-Phase, Four-Wire System (3P4W)
Applies to the WT333E.
The wiring is connected to input elements 1, 2, and 3.
SOURCE
R
S
T
N
±
V
C
±
Element 1
(V1, A1)
IM WT310E-02EN
2.9 Wiring the Circuit under Measurement for Direct Input
LOAD
±
V
SOURCE
C
±
Element 3
(V3, A3)
LOAD
±
V
C
±
Element 3
(V3, A3)
LOAD
± ±
V V
C C
± ±
Element 2 Element 3
(V2, A2) (V3, A3)
C ±
I1
U1
N
U3
I3
C ±
C ±
I1
R
U1
SOURCE
T S
U3
I3
C ±
C ±
I1
V
R U1
±
SOURCE
N
T S
U2
C ±
I2
I3
C
V
±
LOAD
±
V
V
±
LOAD
±
V
LOAD
±
V
±
U3
V
±
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App
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