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

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LOGO! functions 
 
4.4 Special functions list - SF 
LOGO! 
Manual, 04/2011, A5E03556174-01 
251
 
4.4.29 
Analog Ramp 
Short description 
The Analog Ramp instruction allows the output to be changed from the current level to the 
selected level at a specified rate.    
 
Symbol in LOGO! 
Wiring 
Description 
Input En 
A change in the status from 0 to 1 at input En 
(Enable) applies the start/stop level (Offset "B" + 
StSp) to the output for 100 ms and starts the ramp 
operation to the selected level. 
A change in the status from 1 to 0 immediately sets 
the current level to Offset "B", which makes output 
AQ equal to 0. 
Input Sel 
SeI = 0: Level 1 is selected 
SeI = 1: Level 2 is selected 
A change in status of Sel causes the current level to 
start changing to the selected level at the specified 
rate. 
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(Q
6HO
6W
3DU
 
Input St 
A change in the status from 0 to 1 at input St 
(Decelerated Stop) causes the current level to 
decrease at a constant rate until the start/stop level 
(Offset "B" + StSp) is reached. The start/stop level is 
maintained for 100ms and then the current level is set 
to Offset "B", which makes output AQ equal to 0.