Festo CPX-P-8DE-N Series Description page 67

3. Input module CPX-P-8DE-N-...
Process image outputs
PIO Bit Bit
Byte 7 6
1)
0 Control : For digital input channel operating mode (A) – channel 0 ... 7 (CH0 ... 7)
– –
1)
Control : For counter operating mode (B) – channel 0 ... 3 only (CH0 ... 3)
CH3 CH3
Reset Start/
Stop
1)
Control : For frequency measurement (C) – channel 0 ... 3 only (CH0 ... 3); (D) – channel 0
only
– CH3
Start/
Stop
1 – –
1)
Display text of the process value display on the handheld [Monitoring/Forcing (M)]
2)
The counter reading is set and held at the lower limit value by incremental counters and at the
upper limit value by decremental counters until the Reset bit is reset to 0 (
3)
The current value is set to 0 (
Tab. 3/10: Process image outputs (PIO) - Extended process image
Festo P.BE-CPX-P-EA-EN en 1209NH English
Configuration of process image outputs (PIO)
The process image outputs (PIO) has 2 bytes. The respective
counter or the frequency measurement of the designated
channel (CH..) can be activated or deactivated via byte 0. The
output byte is of no significance for the digital input operat-
ing mode (A). Byte 1 is reserved.
Bit Bit Bit
5 4 3
– – –
CH2 CH2 CH1
Reset Start/ Reset
Stop
– CH2 –
Start/
Stop
– – –
section 3.3.6).
Bit Bit Bit
2 1 0
– – –
CH1 CH0 CH0
Start/ Reset Start/
Stop Stop
CH1 – CH0
Start/ Start/
Stop Stop
– – –
Description
– Reserved
Bit Start/Stop
– 0: Stop counter
– 1: Start counter
Bit Reset
– 0: Counter active
– 1: Counter passive/
2)
reset
– 0: Switch off fre-
quency measure-
3)
ment
– 1: Switch on fre-
quency measure-
ment
– Reserved
section 3.3.5).
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