Datasheet
220 Programmable Controllers
CJ1W-CIF11
RS-422A Adapter
Converts RS-232C to RS-422A/RS-485
• Use to convert RS-232C to RS-422A/RS-485.
• Simply connect this Adapter to the built-in RS-232C 
port or an RS-232C connector on a Serial Commu-
nications Unit (D-sub, 9-pin) to convert to RS-422A/
RS-485).
RS-232C Connector RS-422A/485 Terminal Block
Specifications
Item Specifications
Dimensions 18.2 × 34.0 × 38.8 mm (W ×  H ×  D)
Weight 20 g max.
Rated power supply voltage +5 V Supplied from pin 6 on the RS-232C connector.
Current consumption 40 mA max.
Isolation No isolation
Transmission distance 50 m
Interface
+5V 6
− 7
− 8
SG 9
1 −
2 RD
3 SD
4 CS
5 RS
RS-232C Port Connector 
Pin Arrangement
Pin Signal
1NC
2RD
3SD
4CS
5RS
6+5V
7, 8 NC
9SG
Hood FG
RDA− RDB+ SDA− SDB+ FG
Signal
RDA−
RDB+
SDA−
SDB
FG
Y201-EN2-03.book Seite 220 Donnerstag, 30. März 2006 1:52 13










