17-28
IM 05P02C41-01EN
RS-485 communication wiring for the serial gateway function is as follows.
2-wireWiringof4-wireTerminal
SG
RSB (+)
RSA (–)
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
SDB (+)
SDA (–)
RDB (+)
RDA (–)
SG
(External)
220 Ω 1/4 W
(External)
220 Ω 1/4 W
407
408
409
UP UP
Communication
cable
Communication
cable
Slaveterminals
Terminal
symbol
above.
Applicabletosufxcode(for
Standardmodel):Type3=1;
however,Type2=3excluded
Applicabletooptionalsufxcode
(forDetailedmodel):/CH3
Applicabletosufxcode(forStandard
model):Type2=2
Applicabletooptionalsufxcode(for
Detailedmodel):/C4
RDB (+) 410 504
RDA (–) 411 505
SDB (+) 407 501
SDA (–) 408 502
SG 409 503
2-wireWiring
SG
RSB (+)
RSA (–)
RSB (+)
RSA (–)
SG
RSB (+)
RSA (–)
SG
(External)
220 Ω 1/4 W
(External)
220 Ω 1/4 W
UP UP
407
408
409
Communication
cable
Communication
cable
Slaveterminals
Terminal
symbol
above.
Applicabletooptionalsufxcode(for
Detailedmodel):/LC4or/AC4
RSB (+) 501
RSA (–) 502
SG 503
17.4Wiring