Converting The Built-In Rs-232C Port To Rs-422A/485 - Omron CP1E-E14SDR-A User Manual

• Four-wire Connections
CP1E N/NA -type CPU Unit
RS-422A/485 Option Board
Pin Signal
3 SDA-
4 SDB+
1 RDA-
2 RDB+
5 FG
A-3-3

Converting the Built-in RS-232C Port to RS-422A/485

Use one of the following Conversion Units to convert a built-in RS-232C port to an RS-422A port for a
CP1E N/NA
• CJ1W-CIF11 RS-422A Conversion Unit
Maximum distance: 50 m, convertible to RS-422A or RS-485.
• NT-AL001 RS-232C/RS-422A Conversion Unit:
Maximum distance: 500 m, convertible to RS-422A only.
Note CJ1W-CIF11 cannot be connected to the built-in RS-232C port of the CP1E N
CJ1W-CIF11 RS-422A Conversion Unit
The CJ1W-CIF11 RS-422A Conversion Unit is used to convert an RS-232C port to RS-422A/485.
It is directly connected to the built-in RS-232C port of the CP1E N/NA
The Conversion Unit is not insulated, so the maximum distance for RS-422A/485 is 50 m.
Note CJ1W-CIF11 cannot be connected to the built-in RS-232C port of the CP1E N
Appearance
Electrical Specifications
• RS-422A/485 Terminal Block
RDA- RDB+
RDA- RDB+ SDA-
• RS-232C Connector
RS-232C port
+5V 6
– 7
– 8
SG(0V) 9
CP1E CPU Unit Hardware User's Manual(W479)
Remote device
Shield
-type CPU Unit.
Signal
RDA-
RDB+
SDA-
SDA- SDB+ FG
SDB+
SDB+ FG FG
Pin
Connector pin
arrangement
1
2
1 FG
2 RD
3
3 SD
4
4 CS
5
5 RS
6
7,8
9
Hood
Signal
RDA
RDB
SDA
SDB
FG
Ground the shield at one end
when using CP1W-CIF12.
Signal
FG
RD
SD
CS
RS
+5V
NC
SG(0V)
NC*
Appendices
S(1)-type CPU Unit.
-type CPU Unit.
S(1)-type CPU Unit.
A-45