Non-Procedure Communications Troubleshooting - Omron SYSMAC FH Series User Manual

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Non-procedure Communications Troubleshooting

Cannot Input to the Sensor Controller
Problem
No response is received after send-
ing communication commands.
No response is received after send-
ing communications commands.
(Communications were properly
working previously.)
*1. Commands to get status such as SCENE command allow you to confirm availability of communications be-
tween the Sensor Controller and external devices.
After starting up the Sensor Controller, send commands to get status from external devices to the Sensor
Controller. When the Sensor Controller returns correct responses to external devices, no problem in com-
munications between them are confirmed.
No Data Is Output from the Sensor Controller
Problem
No data is output at all.
FH/FHV Series Vision System User's manual for Communication Settings (Z342-E1)
2 Methods for Connecting and Communicating with External Devices
The wiring is incorrect.
There is a problem with the com-
munication specification settings.
Communications has not been es-
tablished just after the Sensor Con-
troller start-up. (It requires more
time to establish the communica-
tions.)
Commands are sent while the
BUSY signal is ON.
A cable is broken.
A connector has been disconnect-
ed.
The Sensor Controller is in Edit
Mode.
The output IP address is incorrect.
(Ethernet communications only)
The wiring is incorrect or a cable is
broken.
A connector has been disconnect-
ed.
You have not placed any Data Out-
put processing items in the meas-
urement flow.
The Output option is not selected in
the Adjustment window.
The target output device for the Da-
ta Output Unit is incorrect.
Cause
Check the wiring. Check the cable
connections.
Make sure that the settings are cor-
rect.
Check whether or not the communi-
cations are available between the
Sensor Controller and external de-
vices after the Sensor Controller
turned on.
Then start communications and
measurement for ordinary opera-
tions.
Send commands while the BUSY
signal is OFF.
Check the cable connections.
Check the connector connections.
Change it to RUN or ADJUST
Mode.
Cause
Set the output IP address correctly.
Check the wiring.
Check the cable.
Check the connector connections.
Place Data Output processing
items in the measurement flow.
Place a check to the Output option
in the Adjustment window.
Make sure that the setting is cor-
rect.
Action
*1
Action
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