Omron V670 Series, User Manual

Page: 52 / 143

3-1 Controller
3-12
3-1-7 Connecting RS-232C Interface
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
Signal Name Code
Signal Direction
Pin No.
Input Output
Ground for maintenance or ground GR — — Shield
Ground for signal or common return SG — — 5
Send data SD — 3
Receive data RD — 2
Request to send RS — 7
Clear to send CS — 8
Controller Pin Layout
(TOP VIEW)
5 1
9 6
1 5
6 9
Controller Connecting Device
Connector with a cable 9-Pin, male
IBM PC Compatible Machine
9-Pin, female
Shield
5
3
2
7
8 5
3
2
7
8
FG
SG
SD
RD
RS
CS
(Shielded wire)
GR
SG
SD
RD
RS
CS
View of fitting face of cable connector
at the controller side
View of fitting face of cable connector
at the host device side