Siemens SIMATIC ET 200SP HA Equipment Manual page 31

Only pulses with the value "0" are stretched. Pulses with the value
"1" are ignored.
Process value
Process value with
pulse stretching
Channel "n"
Channel "n+8"
Process value
without pulse
stretching
Process value with
pulse stretching
Figure 5-1
F-DI 16x24VDC HA
Equipment Manual, 08/2021, A5E45647528-AD
1
0
1
0
A
1
0
1
0
1
0
1
0
A
Event "A": Pulse with the value "0" at channel "n" triggers pulse stretching up to time "B". Pulses with the value "0"
on channel "n+8" are ignored between "A" and "B".
Event "C": Pulse with the value "0" on channel "n+8" triggers pulse stretching up to time "D". Pulses with the value
"0" on channel "n" are ignored between "C" and "D".
Principle of pulse stretching
Time "Pulse stretching (s)"
Time "Pulse
stretching (s)"
B C
Parameters/address space
5.2 Description of parameters
B
Time "Pulse
stretching (s)"
D
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