Omron V530-R2000 User Manual page 117

SECTION 8
Troubleshooting
Display mode
Condition
Watcher
Condition Watcher Alarm Output
Appraisal points for the 2D Code Checker are appraised statistically in the following
two ways.
1.
Inconsistency Appraisal
The standard deviation of a specific number of readings is calculated and an alarm is
output and displayed when the following equation is met:
2.
Temporal Appraisal
A moving average is taken of a specific number of readings and an alarm is output and
displayed when the slop of the change in the average value shows that the value will
reach 0 after 5,000 readings.
V530-R2000
100
User's Manual
Message
Scattered lighting power
Scattered working distance
Scattered marking condition
Scattered 2D code Location
After the following alarm messages are displayed, it may no longer be possible to take
readings after another 5,000 readings have been taken. Read the message and take
appropriate measures accordingly.
Lighting power declination
Working distance displace-
ment
Marking condition degradation
2D code location displace-
ment
(Average) - 3 ´ (Standard deviation) £ 0
Measure to take
There may be large inconsistencies in the angles of the
workpieces. Check the workpieces.
The timing between lighting and the trigger may be off.
Adjust the timing.
The distance between the lens and the workpiece is not
consistent. Check the workpieces.
There are too many cells that cannot be discerned. Check
the marks to be sure they are suitable.
The 2D codes are not positioned consistently in the field
of vision. Check the positions of the marks.
The lighting may be becoming lighter or darker.
Check the lighting.
The focus is off. Check the distance between the lens and
the workpieces and check the focus of the lens.
The number of cells that cannot be discerned is increas-
ing. Check the condition of the mark of the 2D code.
The 2D is leaving the field of vision. Check positioning.