Festo Checkbox Compact CHB-C-C Manual page 57

3. The I/O module
Festo P.BE-CB-COMP-EN en 0211a
Sensor type
Normally- Normally-
open closed
1) 2)
contact contact
Sensor 1 Sensor 1
LOW HIGH
Sensor 1 Sensor 1
HIGH LOW
1)
Factory presetting
2)
To be set with CheckKon (recommendation)
Please note
Leave non-used sensor inputs open. Only in this way is the
Checkbox ready to operate. Otherwise the display shows
the status "Full" during operation, although the buffer
zone is empty. All good parts will be returned. The small
parts conveyor will be switched off after 30 s (standard
setting).
Function
Buffer zone with one sensor B ff ith
The sensor does not register any
conveyed part. The small parts
conveyor is/remains switched on.
The buffer zone is full. The display
switches to "Full." Good parts are
blown down. After the preset
time, e.g. 30 s, the small parts
conveyor will be switched off; the
conveyor device continues to run.
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