YOKOGAWA UT55A - Coordinated Operation Wiring

17-28
IM 05P01C31-01EN
17.4.13 Coordinated Operation Wiring
4-wire Wiring (for UT55A only)
UT (Master)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
RDB (+)
RDA (–)
SDB (+)
SDA (–)
SG
RDB (+)
RDA (–)
SDB (+)
SDA (–)
SG
(External)
Terminating resistor
220 Ω 1/4 W
(External)
Terminating resistor
220 Ω 1/4 W
(External)
Terminating resistor
220 Ω 1/4 W
(External)
Terminating resistor
220 Ω 1/4 W
UT (Slave) UT (Slave)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
2-wire Wiring of 4-wire Terminal (1) (for UT55A only)
UT (Master) UT (Slave)
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
UT (Slave)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
(External)
Terminating resistor
220 Ω 1/4 W
(External)
Terminating resistor
220 Ω 1/4 W
2-wire Wiring of 4-wire Terminal (2) (for UT55A only)
UT (Master)
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
UT (Slave) UT (Slave)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
Communication
cable
Class D grounding
(grounding resistance
of 100 Ω or less)
(External)
Terminating resistor
220 Ω 1/4 W
(External)
Terminating resistor
220 Ω 1/4 W
17.4 Wiring