Festo CPX-P-8DE-N Series, Description

Page: 88 / 132

3. Input module CPX-P-8DE-N-...
3-38
Festo P.BE-CPX-P-EA-EN en 1209NH English
Module parameter: Counter configuration channel 0 … 3 Handheld
This parameter is only available in the extended process image (miniature switch = ON).
Function no. 4828 + m * 64 + 16 m = Module number (0 ... 47)
Description Only effective in operating mode B (counter): Specifies the counting direction
and edge polarity for the respective input channel (only channel 0 ... 3).
An alteration of the parameter causes an initialisation of the respective channel.
Bit Counter configuration
Bit 0: Edge polarity channel 0
Bit 1: Edge polarity channel 1
Bit 2: Edge polarity channel 2
Bit 3: Edge polarity channel 3
Bit 4: Counting direction channel 0
Bit 5: Counting direction channel 1
Bit 6: Counting direction channel 2
Bit 7: Counting direction channel 3 [Counter control]
[Ch 0 edge]
[Ch 1 edge]
[Ch 2 edge]
[Ch 3 edge]
[Ch 0 direction]
[Ch 1 direction]
[Ch 2 direction]
[Ch 3 direction]
Values Edge polarity (Bit 0 … 3)
0
1 positive edge (presetting)
negative edge [rising]
[falling]
Counting direction (bit 4 … 7)
0
1 count upwards (presetting)
count downwards [up]
[down]
Comment If the counter configuration is changed, the counter is initialised!
If the debounce time is active, counting is effected to the edge of the debounced
signal.
Tab. 3/30: Counter configuration (channel-specific, channel 0 … 3)