Omron CJ2 CPU UNIT - Connecting Via the Serial Port

6-33
6 Troubleshooting
CJ2 CPU Unit Hardware User’s Manual
6-3 Non-CPU Unit Errors and Remedies
6
6-3-1 Error Causes and Remedies
z Connecting via the Serial Port
No
Yes
End
Yes
Yes
Yes
No
No
No
No
Yes
The CX-Programmer
cannot connect.
Is the RS-232C
cable securely
connected?
Insert the cable all the way in at
both the personal computer and
at the CPU Unit.
Can the
CX-Programmer be
connected online?
Is pin 5 of the
CPU Unit DIP
switch turned
ON?
Set the CX-Programmer network
type to Toolbus.
Can the
CX-Programmer
be connected
online?
Replace the RS-232C cable.
In the PLC Setup
in the CPU Unit, does the
serial port setting match the
CX-Programmer network type
setting?
In the PLC Setup in the CPU Unit,
match the serial port setting with
the CX-Programmer network type
setting.