User manual

Magelis XBT OT User Manual

3-8

 Serial Interface (COM2)

This interface is used to connect an RS-422/485 serial cable. A 9-pin SUB-D plug connector is used.

OT unit side

Cable side

RS-422/485

OT Connector XM2C-0942-502LX (OMRON Co.)

Interfit Bracket #4-40 inch screws are used.

Recommended Cable Connector XM2D-0901 (OMRON Co.)

Recommended Cable Cover XM2S-0913 (OMRON Co.)

Recommended Jack Screw XM2Z-0073 (OMRON Co.)

Arrangement

Pin No.

RS-422/485

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

(Common with SG)

(OT unit side)