Festo Checkbox Identbox, Manual

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A. Technical appendix
A-9
Festo P.BE-Checkbox-EN en 0103c
Error situation Cause Remedy
...E 01, although pressure in
the compressed air network is
apparently constant. Brief fluctuations in pressure in
the compressed air network,
e.g. by large volume consuming
devices. If necessary, insert a pressure
reservoir between the Check-
box and the compressed air
network.
...FULL on LCD TOLERANCE,
although the buffer zone is not
full.
Good parts in all orientations
are blown back into the small
parts conveyor. – (Blanking) plug missing at
connection “Sensors”
– Bridges missing at connec-
tion “Controller”
– Control cable defective or
incorrect pin assignment at
connection “Sensors”.
– Operation without buffer
zone sensors: Insert blanking
plug and check bridges.
– Operation with buffer zone
sensors: Check control cable
and pin assignment.
...E 02, although length of con-
veyed part is shorter than max.
permitted length. – Conveyed part has lots of
holes or is semi-transparent.
– Speed of conveyor belt has
been modified.
With CheckKon:
- Increase belt speed
- Increase exposure time
- Vary grey value threshold
- Limit camera angle of vision
- Activate filter function
...E 02 occurs in the morning
although the Checkbox worked
perfectly the day before. – High fluctuations in tempera-
ture for example between
day and night.
– Conveyor belt has been
replaced
With CheckKon:
Setting the lower picture limit
...E 04 although only a small
number of bad parts passes
the test procedure. Moving particles of dirt on the
conveyor belt. – Clean the conveyor belt with
compressed air.
– Install a cutting device in
front of the conveyor belt.