Yokogawa DR240 - Manual (Page 72)

3-27 IM DR232-01E
3
Installation and Wiring
Wiring Diagrams
• Single-phase Two-wire Configuration
LOAD
V
±
V
A
± A
SOURCE
SOURCE LOAD
FUSE
FUSE
A1
V1
• Single-phase Three-wire Configuration (power monitor modules for three-phase
use only)
SOURCE
LOAD
V
A
±
± A
V
V
±
V
A
± A
1
3
1
3
N
SOURCE LOAD
N
FUSE FUSE
FUSE
A1
V1
A3
V3
FUSE
• Three-phase Three-wire Configuration (dual-current/dual-voltage measurement;
power monitor modules for three-phase use only)
SOURCE
LOAD
A
± A
±
A
A
1
3
V
±
V
V
V
3
1
R
S T
±
SOURCE LOAD
S
T
R
FUSE FUSE
FUSE
A1
V1
A3
V3 FUSE
• Three-phase Three-wire Configuration (triple-current/triple-voltage
measurement; power monitor modules for three-phase use only)
SOURCE
LOAD
A
± A
A
± A
1
3
R
S T
V
±
V
1
±
V
V
3
±
V
V
2
A
± A
2
SOURCE LOAD
S
T
R
FUSE FUSE
FUSE
A1
V1
A2
V2
FUSE
FUSE
A3
V3
FUSE
• Three-phase Four-wire Configuration (power monitor modules for three-phase
use only)
SOURCE
LOAD
A
± A
A ± A
1
3
R
S T
V
±
V
1
±
V
V
3
±
V
V
2
A
± A 2
N
LOAD SOURCE
S
R
T
N
A1
V1
A2
V2
A3
V3
FUSE FUSE FUSE
FUSE FUSE FUSE
3.7 Connecting the Signal Lines