17-21
IM 05P02D41-01EN
Installation and W
iring
17
RS-485 communication wiring for the serial gateway function is as follows.
2-wire Wiring of 4-wire Terminal
Serial gateway
SG
RSB (+)
RSA (
–
)
SDB (+)
SDA (
–
)
RDB (+)
RDA (
–
)
SG
SDB (+)
SDA (
–
)
RDB (+)
RDA (
–
)
SG
(External)
Terminating resistor
220
Ω 1/4 W
(External)
Terminating resistor
220
Ω 1/4 W
407
408
409
UP
UP
Communication
cable
Communication
cable
Grounding
Grounding
Slave terminals
Terminal
symbol above.
(For Standard model) UP35A Suffix code: Type 3 =
“1”
(For Detailed model) UP35A Optional suffix code: /CH3
RDB (+)
410
RDA (–)
411
SDB (+)
407
SDA (–)
408
SG
409
17.4 Wiring
Содержание UP35A
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