X20 system modules • Digital input modules • X20DI4653
X20 system User's Manual 3.10
989
4.13.9.7 Input circuit diagram
N
L
U ok
Input x
Input status
Diagnostics status
Voltage
monitoring
4.13.9.8 Input filter
An input filter is available for each input. The input delay can be set using register 4.13.9.9.3.1 "ConfigOutput01".
Disturbance pulses which are shorter than the input delay are suppressed by the input filter.
Input
signal
Signal after
the filter
t
Delay
t
Delay
t
Delay
t
Delay
Time
Time
⇒ Input delay