Omron SYSMAC CP Series User Manual page 297

Wiring Examples
The OMRON 3G3MX2-V1 Inverter is connected to the option slot 2 of the CP2E N
or the built-in RS-485 port of the CP2E S
control.
When a RS-422A/485 Option Board is Mounted on a CP2E N
Unit
CP1W-CIF11/CIF12-V1
RS-422A/485 Option Board
When Using a Built-in RS-485 Port of CP2E S
Built-in RS-485 Port
CP1W-CIF11/CIF12-V1 Settings
Set the DIP switch as shown in the following table
(Back)
No.
1 Terminating resistance selection
2 2/4-wire selection
3 2/4-wire selection
4
5 RS control for RD
6 RS control for SD
CP2E CPU Unit Software User's Manual(W614)
CP1W-CIF11/CIF12-V1
RS-422A/485 Option Board
RDA-
RDB+
50 m max.
SDA-
SDB+
FG
Built-in RS-485 Port
RS-485
A-
B+
50 m max.
FG
CPU Unit connector
DIP switch for operation settings
Setting
−
14 Serial Communications
-type CPU Unit using RS-485 for frequency and start/stop
3G3MX2-V1
Symbol
Control circuit
terminal block
(communications
terminals)
-type CPU Unit
3G3MX2-V1
Symbol
Control circuit
terminal block
(communication
s terminals)
ON / OFF
ON Connects terminating resistance
ON 2-wire connections
ON 2-wire connections
OFF Always OFF
ON Enabled
ON Enabled
-type CPU Unit
-type CPU
Description
14-19
14