Inferring Causes From Conditions (Abnormal Output) - Omron E5AR - MANUAL 2 User Manual

10.5 Inferring causes from conditions (abnormal output)

● No control output. No alarm output.
Abnormal temperature measurement.
Incorrect load polarity or incorrect terminal
connections.
The connected load exceeds the output rating.
A load power supply is not connected to a transistor
output.
The polarity of the load power supply connected to
the transistor output is incorrect.
Operation is stopped after the power is turned on.
Control has not been started.
The wrong channel is specified.
The wrong SP is set.
The wrong bank No. is specified.
When bank No. specification is by event input, input
ON or OFF is not held.
When bank No. specification is by event input,
specification by communication was attempted.
The alarm mode is set to "0: No alarm".
Alarm with wait sequence is specified.
Deviation alarm is mistakenly set for absolute-value
alarm, or vice-versa.

10.5 Inferring causes from conditions (abnormal output)

Possible cause Solution
See "10.3 Inferring causes from conditions
(abnormal measured values)" (P.10-4).
Wire correctly.
• Do not exceed the rating.
• Repair in the event of a failure.
Use a power supply suitable for the output rating
and load.
Wire correctly.
• Send the control start (run) command after
turning on the power.
• Set operation to continue at power-on.
Send the control start (run) command.
Set the correct channel number.
Set the correct SP.
Set the correct bank No.
Hold the contact ON or OFF during specification.
The latest specification takes priority regardless of
the bank No. specification method.
Set the correct alarm mode.
Specify an alarm without a wait sequence.
Set the correct alarm mode.
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