Siemens 6ED1050-1AA00-0BE8 User Manual

Page of 372
LOGO! functions 
 
4.2 Basic functions list - GF 
 
LOGO! 
148
 
Manual, 04/2011, A5E03556174-01 
4.2.6 
NOR (not OR) 



4
&LUFXLWGLDJUDPRIDVHULHVFLUFXLW
ZLWKVHYHUDOEUHDNFRQWDFWV
6\PEROLQ/2*2
 
The output status of the NOR is only 1 if all inputs are 0, i.e. if switched off. The NOR output 
is set to 0 when one of the inputs is switched on (logical 1 status). 
At an unused block input (x): x = 0. 
NOR function logic table