Cpm2C-Cif11 Rs-422/Rs-232C Adapter Unit - Omron CPM2C-S100C Operation Manual

Unit Components
2-2-5

CPM2C-CIF11 RS-422/RS-232C Adapter Unit

Front View
1. RS-422/485 port
3. Terminating resistance switch
2. RS-232C port
5. Connector
1,2,3...
50
Note Do not use the CPM2C-CIF11 with any PC other than a CPM2C or CPM2C-S.
1. RS-422/485 Port
Used to connect to host computers, or standard external devices.
Note The maximum line length is 500 m.
2. RS-232C Port
Used to connect to the RS-232C interface of a personal computer or Pro-
grammable Terminal (operator interface).
Right Side
4. RS-485 interface switch
Terminal Arrangement
RDA−
Receive data (input)
RDB+
SDA−
Send data (output)
SDB+
NC
Connector Pin Arrangement
Section 2-2