3. The I/O module
3-19
Festo P.BE-CB-COMP-EN en 1102d
3.6.2 Controlling the teach procedure
Input I/15 can be used for controlling the Teach procedure.
The signal sequence at input I/15 corresponds to pressing
the button STATUS/TEACH.
Customer-specific function
Input I/15 is assigned with this function only at the
customer’s wish. Consult your Festo Service if you have any
problems.
With the signal sequence LOW > HIGH > LOW at pin I/15
the CHB-C-X is switched to the TEACH mode. In order to teach
the next orientation, a pulse must be given again via this in-
put.
With the signal sequence LOW > HIGH > LOW at pin I/6 the
Teach data are saved and the Checkbox is stopped.
Pin
Signal sequence Significance
I/15 LOW > HIGH > LOW
Pulse length: min. 200 ms
Switches the Checkbox to the TEACH status
(orientation 1).
LOW > HIGH > LOW
Pulse length: min. 200 ms
Selects the next orientation.
I/6 LOW > HIGH > LOW
recommended pulse duration: 500 ms
Stops the Checkbox. In the TEACH status the
Teach data are saved at the same time.
Tab. 3/9: Signal sequence for controlling the teach procedure
3.6.3 Selecting the parts type
Fo r automatic changing of the parts type via the PLC:
S Switch the CHB-C-X to the stop status.
S Set the signals at the inputs in accordance with the binary
codingofthedesiredpartstype(seefollowingtables).
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