Siemens 6ED1050-1AA00-0BE8 Manual De Usuario

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LOGO! functions 
 
4.4 Special functions list - SF 
 
LOGO! 
212
 
Manual, 04/2011, A5E03556174-01 
Calculation rule 
●  If the On threshold ≥ Off threshold, then: 
Q = 1, if f
a
 > On 
Q = 0, if f
a
 ≤ Off. 
●  If the On threshold < Off threshold, then Q = 1 if 
On ≤ f
a
 < Off. 
Setting the Par parameter  
 
 
Note 
The system scans the counter limit value once per interval G_T. 
 
View in programming mode (example): 
2II
2Q
%
3DUDPHWHUSURWHFWLRQPRGH
2IIWKUHVKROG
2QWKUHVKROG
 
Press   
*B7 V
%
7LPHLQWHUYDOIRUSXOVHVH[DPSOH
 
 
 
Note 
The "seconds" timebase is here set as permanent default. 
When you preset a time G_T of 1 s, LOGO! returns the current frequency in parameter f
a
 in 
Hz. 
 
View in parameter assignment mode (example): 
ID
2II
2Q
%
4 I
D
!2Q
2IIWKUHVKROG
2QWKUHVKROG
 
 
 
Note 
f
a
 always represents the total pulses measured per time unit G_T.