Yokogawa DR240 - Manual (Page 60)

3-19 IM DR231-01E
Installation and Wiring
3
Diagram of Terminal Block
V1
I1
V1
I1
V2
I2
V3
I3
Wire clip
Single-phase Model Three-phase Model
Wire clip
Wire clip
9mm
• Strip 9 mm of insulation off the leadwire.
• ALWAYS clamp the leadwire with the wire
clip.
• The recommended torque for fastening the
wire clip screw is 0.4 to 0.5 N•m.
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
3.5 Connecting the Signal Lines