Connecting Via The Serial Port - Omron CJ2 CPU UNIT User Manual

Connecting via the Serial Port

The CX-Programmer
cannot connect.
Is the RS-232C
cable securely
connected?
Is pin 5 of the
CPU Unit DIP
switch turned
ON?
In the PLC Setup
in the CPU Unit, does the
serial port setting match the
CX-Programmer network type
setting?
CJ2 CPU Unit Hardware User's Manual
Insert the cable all the way in at
No
both the personal computer and
at the CPU Unit.
Yes
No
No
Set the CX-Programmer network
type to Toolbus.
Yes
In the PLC Setup in the CPU Unit,
No
match the serial port setting with
the CX-Programmer network type
setting.
Yes
Can the
Yes
CX-Programmer be
connected online?
Can the
Yes
CX-Programmer
be connected
online?
No
6 Troubleshooting
End
Replace the RS-232C cable.
6-33
6