Siemens SIMOCODE pro System Manual page 362

Logic modules
NOR function
You can implement a NOR function with the "Level inverted" type of signal:
Input
0
1
0
1
Table 11-8: NOR function
Settings
Non-volatile
elements
1 to 4 -
Input
Reset
Type
Table 11-9: Non-volatile element settings
11-20
Reset Output
0 1
0 0
1 0
1 0
Activation by any signal
(any sockets
e.g. device inputs, control bits from PROFIBUS DP , etc.)
Resets the signal conditioner to 0.
Activation by any signal
(any sockets
e.g. device inputs, control bits from PROFIBUS DP , etc.)
Different output responses
Range: Level not inverted, level inverted,
edge rising with memory, edge falling with memory
Schematic
Input
>
1
Reset
=
Description
GWA 4NEB 631 6050-22 DS 03
Output
SIMOCODE pro