17
Interface
E
ngl
is
h
RS-422/485
D-Sub 9 pin plug connector.
The communication method can be switched between RS-232C and RS-422/
RS-485 via the software.
Interfit bracket is #4-40 (UNC).
Recommendations:
•
Cable Connector: XM3D-0921 manufactured by OMRON Corporation.
•
Cable Cover: XM2S-0913 manufactured by OMRON Corporation.
•
Jack Screw (#4-40 UNC): XM2Z-0073 manufactured by OMRON
Corporation.
Pin
Number
RS-422/RS-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
–
Functional Ground
(Common with SG)
