User guide

RS-232C

RS-422

Unit's Connector : XM2C-0942-132L<made by OMRON>

Recommended Connector : XM2D-0901 <made by OMRON>

Recommended Cover : XM2S-0913 <made by OMRON>

Jack Screw : XM2Z-0073 <made by OMRON>

Stacking Metal Fittings require #4-40 inch screw.

• This unit does not correspond to RS-422/485 (2 wire) communication.

• This unit does not correspond to Serial Multilink communication.

Pin Arrangement Pin #

RS-232C

Signal Name Direction Meaning

1 CD Input Carrier Detect

2 RD (RXD) Input Receive Data

3 SD (TXD) Output Send Data

4 ER (DTR) Output Data Terminal Ready

5 SG - Signal Ground

6 DR (DSR) Input Data Set Ready

7 RS (RTS) Output Request to Send

8 CS (CTS) Input Clear to Send

9 NC - No connection

Shell FG - Frame Ground

Pin Arrangement Pin #

RS-422

Signal Name Direction Meaning

1 RDA Input Receive Data A(+)

2 RDB Input Receive Data B(-)

3 SDA Output Send Data A(+)

4 ERA Output Data Terminal Ready A(+)

5 SG - Signal Ground

6 CSB Input Send Possible B(-)

7 SDB Output Send Data B(-)

8 CSA Input Send Possible A(+)

9 ERB Output Data Terminal Ready B(-)

Shell FG - Frame Ground