Yokogawa DR240 Manual de usuario Pagina 72

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Vista de pagina 71
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
ST
±
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
ST
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
ST
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
FUSEFUSEFUSE
FUSEFUSEFUSE
3.7 Connecting the Signal Lines
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