17-28
IM 05P02C41-01EN
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.
Applicable to suffix code (for
Standard model): Type 3 = 1;
however, Type 2 = 3 excluded
Applicable to optional suffix code
(for Detailed model): /CH3
Applicable to suffix code (for Standard
model): Type 2 = 2
Applicable to optional suffix code (for
Detailed model): /C4
RDB (+)
410
504
RDA (–)
411
505
SDB (+)
407
501
SDA (–)
408
502
SG
409
503
2-wire Wiring
Serial gateway
SG
RSB (+)
RSA (
–
)
RSB (+)
RSA (
–
)
SG
RSB (+)
RSA (
–
)
SG
(External)
Terminating resistor
220
Ω 1/4 W
(External)
Terminating resistor
220
Ω 1/4 W
UP
UP
407
408
409
Communication
cable
Communication
cable
Grounding
Grounding
Slave terminals
Terminal
symbol
above.
Applicable to optional suffix code (for
Detailed model): /LC4 or /AC4
RSB (+)
501
RSA (–)
502
SG
503
17.4 Wiring
Summary of Contents for UTAdvanced UP55A
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