Connecting Rs-232C Interface - Omron V670 Series User Manual

3-1 Controller

3-1-7 Connecting RS-232C Interface

Signal Name
Ground for maintenance or ground
Ground for signal or common return
Send data
Receive data
Request to send
Clear to send
Note 1: To prevent an operation error, ground the shielded wire either at the controller side or the computer side mentioned above. (The
figure above shows an example of grounding the shielded wire at the ID controller side.)
Note 2: Short-circuit pin No. 7 (RS) and pin No. 8 (CS) at the inside of the connector.
Connecting to a host device of IBM PC compatible machine, 9-pin
View of fitting face of cable connector
3-12
Controller Pin Layout
(TOP VIEW)
at the controller side
1 5
6 9
Controller Connecting Device
9-Pin, male Connector with a cable
Shield GR
5 SG
3 SD
RD
2
RS
7
8 CS
(Shielded wire)
Signal Direction
Code
Input
GR —
SG —
SD —
RD
RS —
CS
View of fitting face of cable connector
at the host device side
5
9
IBM PC Compatible Machine
9-Pin, female
FG
SG
SD
RD
RS
CS
Pin No.
Output
— Shield
— 5
3
— 2
7
— 8
1
6
5
3
2
7
8