YOKOGAWA UP35A User Manual

17-17
IM 05P02D41-01EN
Installation and Wiring
17
17.4.11 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.
(ForStandardmodel)UP35ASufx
code:Type3= “1”
(For Detailed model) UP35A
Optionalsufxcode:/CH3
(ForStandardmodel)UP32ASufx
code:Type2= “1”
RDB (+) 410 304
RDA (–) 411 305
SDB (+) 407 301
SDA (–) 408 302
SG 409 303
Note
ML2-x indicates a converter of YOKOGAWA. Other than this, RS232C/RS485 converters
can also be used. If another converter is to be used, check the electrical specifications of the
converter before using it.
17.4 Wiring

YOKOGAWA UP35A Specifications

General

Brand	YOKOGAWA
Model	UP35A
Category	Controller
Language	English