Yokogawa DR240 - Manual (Page 61)

3-20 IM DR231-01E
• 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
3.5 Connecting the Signal Lines