A-4-2 Connection Examples - Omron CJ2 User Manual

Appendices
A-4-2 Connection Examples
This section provides connection examples and corresponding connection diagrams.
Refer to A-4-3 Applicable Connectors and Recommended Cables for actual wiring methods.
Connections to Host Computers
Note Connections to a computer running the CX-Programmer are the same as those shown here.
1:1 Connections via RS-232C Port
RS-232C
Note The maximum cable length for an RS-232C connection is 15 m. RS-232C communications specifications,
however, do not cover transmissions at 19.2 Kbps. Refer to documentation of the device being connected
when using this baud rate.
Connection Example for the Host Link Serial Communications Mode
CPU Unit
Pin
Signal
name
No.
FG 1
SD 2
RD 3
RS-232C
RS 4
interface
CS 5
5V 6
DR 7
ER 8
SG 9
D-sub, 9-pin
connector (male)
Connection Example for the Peripheral Bus (Toolbus) Serial Communications Mode
CPU Unit
Signal
name
FG
SD
RD
RS-232C
RS
interface
CS
5V
DR
ER
SG
D-sub, 9-pin
connector (male)
A-102
RS-232C
port
Computer
Pin
Signal
No. name
1 CD
2 RD
3 SD
4 ER
5 SG
6 DR
7 RS
8 CS
9 CI
D-sub, 9-pin
connector (female)
Pin Pin
No. No.
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
D-sub, 9-pin
connector (female)
RS-232C
interface
Computer
Signal
name
CD
RD
SD
RS-232C
ER
interface
SG
DR
RS
CS
CI
CJ2 CPU Unit Hardware User's Manual