Omron NJ501-1400 User Manual page 386

11 Troubleshooting
Event name Latch Position Overflow
Meaning An overflow occurred for the latched position for the MC_TouchProbe (Enable External Latch) instruction.
Source Motion Control Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_MC_AX[*].MFaultLvl.Active
Cause and Assumed cause
correction
An overflow occurred for the latched
position for the MC_TouchProbe
(Enable External Latch) instruction.
Attached None
information
Precautions/ None
Remarks
Event name Latch Position Underflow
Meaning An underflow occurred for the latched position for the MC_TouchProbe (Enable External Latch) instruction.
Source Motion Control Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
_MC_AX[*].MFaultLvl.Active
Cause and Assumed cause
correction
An underflow occurred for the latched
position for the MC_TouchProbe
(Enable External Latch) instruction.
Attached None
information
Precautions/ None
Remarks
Event name Master Sync Direction Error
Meaning The master axis continued to move in the direction opposite to the sync direction.
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 master axis continued to move in
the direction opposite to the sync
direction of the master and slave
axes, resulting in an overflow.
Attached None
information
Precautions/ None
Remarks
11-40
Source details
Minor fault Recovery
Continues. Operation
Data type
BOOL
Correction
Correct the program so that the axis
position does not overflow.
Source details
Minor fault Recovery
Continues. Operation
Data type
BOOL
Correction
Correct the program so that the axis
position does not underflow.
Source details
Minor fault Recovery
Continues. Operation
Data type
BOOL
Correction
Correct the program so that the move-
ment direction and travel distance of
the master axis are in the sync direc-
tion after the start of synchronization.
Event code 74340000 hex
Axis Detection
timing
Error reset Log category
The relevant axis decelerates to a stop. The Enable Exter-
nal Latch instruction cannot retrieve the latch position.
Name
Axis Minor Fault Occurrence
Prevention
Write the program so that the axis
position does not overflow.
Event code 74350000 hex
Axis Detection
timing
Error reset Log category
The axis decelerates to a stop. The Enable External Latch
instruction cannot retrieve the latch position.
Name
Axis Minor Fault Occurrence
Prevention
Write the program so that the axis
position does not underflow.
Event code 74360000 hex
Axis Detection
timing
Error reset Log category
The axis decelerates to a stop.
Name
Axis Minor Fault Occurrence
Prevention
Write the program so that the move-
ment direction and travel distance of
the master axis is the sync direction
after the start of synchronization.
NJ-series CPU Unit Motion Control User's Manual (W507)
During instruc-
tion execution
System
During instruc-
tion execution
System
During instruc-
tion execution
System