Omron NJ501-1400 User Manual page 381

Event name Home Proximity/Homing Opposite Direction Limit Input
Detected
Meaning The home proximity input and the limit signal in the direction opposite to the homing direction were detected during a
homing operation.
Source Motion Control Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_MC_AX[*].MFaultLvl.Active
Cause and Assumed cause
correction
The wiring of the home proximity sig-
nal or limit signal is incorrect.
The home proximity sensor or limit
sensor is installed in the wrong loca-
tion.
The contact logic of the home proxim-
ity signal or limit signal is not correct.
The home proximity sensor or limit
sensor failed.
Attached None
information
Precautions/ None
Remarks
NJ-series CPU Unit Motion Control User's Manual (W507)
Source details
Minor fault Recovery
Continues. Operation
Data type
BOOL
Correction
Correct the wiring of the home prox-
imity signal or limit signal.
Correct the installation location of the
home proximity sensor or limit sensor
so that they do not turn ON at the
same time.
Correct the contact logic (N.C./N.O.)
of the home proximity sensor or limit
sensor.
Replace the home proximity sensor or
limit sensor.
11 Troubleshooting
Event code 74270000 hex
Axis Detection
timing
Error reset Log category
The axis stops with the stop method for the homing execu-
tion status.
Name
Axis Minor Fault Occurrence
Prevention
Check to see if any of the conditions
that are given as causes exist in
advance.
During instruc-
tion execution
System
11
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