17-22
IM 05P02C41-01EN
17.4.12
RS-485 Communication Interface Wiring
Wire as follows for Modbus communication, PC link communication, or ladder
communication.
Always connect a terminating resistor to the station at the end of the communication line.
► Details of communication parameter settings and communication functions: UTAdvanced Series
Communication Interface (RS-485, Ethernet) User's Manual
4-wire Wiring
ML2-
□
SG
SDB (+)
SDA (
–
)
RDB (+)
RDA (
–
)
RDB (+)
RDA (
–
)
SDB (+)
SDA (
–
)
SG
RDB (+)
RDA (
–
)
SDB (+)
SDA (
–
)
SG
RS-232C
Straight cable
UP
2
1
4
3
5
6
UP
Grounding
Grounding
Grounding
Communication
cable
Communication
cable
PC
(External)
Terminating resistor
220
Ω 1/4 W
(External)
Terminating
resistor
220
Ω 1/4 W
(External)
Terminating
resistor
220
Ω 1/4 W
2-wire Wiring of 4-wire Terminal
SG
ML2-
□
UP
B (+)
A (
–
)
SDB (+)
SDA (
–
)
RDB (+)
RDA (
–
)
SG
SDB (+)
SDA (
–
)
RDB (+)
RDA (
–
)
SG
RS-232C
Straight cable
PC
4
3
5
6
Grounding
Grounding
Grounding
UP
(External)
Terminating resistor
220
Ω 1/4 W
(External)
Terminating
resistor
220
Ω 1/4 W
Communication
cable
Communication
cable
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
Detailel model): /C4
RDB (+)
410
504
RDA (–)
411
505
SDB (+)
407
501
SDA (–)
408
502
SG
409
503
17.4 Wiring
Summary of Contents for UTAdvanced UP55A
Page 3: ......
Page 21: ...Blank Page ...
Page 37: ...Blank Page ...
Page 47: ...Blank Page ...
Page 125: ...Blank Page ...
Page 147: ...Blank Page ...
Page 155: ...8 8 IM 05P02C41 01EN Intentionally blank 8 1 Setting Control Mode CTLM ...
Page 159: ...8 12 IM 05P02C41 01EN Intentionally blank 8 1 Setting Control Mode CTLM ...
Page 167: ...8 20 IM 05P02C41 01EN Intentionally blank 8 1 Setting Control Mode CTLM ...
Page 175: ...8 28 IM 05P02C41 01EN Intentionally blank 8 1 Setting Control Mode CTLM ...
Page 221: ...Blank Page ...
Page 275: ...Blank Page ...
Page 351: ...Blank Page ...
Page 381: ...Blank Page ...
Page 403: ...Blank Page ...
Page 491: ...Blank Page ...
Page 505: ......
Page 513: ...Blank Page ...
Page 515: ...Blank Page ...