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Siemens 6ED1050-1AA00-0BE8 User Manual

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LOGO! functions 
 
4.4 Special functions list - SF 
 
LOGO! 
170
 
Manual, 04/2011, A5E03556174-01 
4.4.5 
Wiping relay (pulse output) 
Short description 
An input signal generates a signal with a configurable period at the output.       
 
Symbol in LOGO! 
Wiring 
Description 
Input Trg 
A signal at input Trg (Trigger) triggers the time for the 
wiping relay function. 
Parameter 
The output is switched off after the time T has expired 
(output signal transition 1 to 0). 
Retentivity:  
/ = No retentivity 
R = The status is retentive. 
4
7UJ
3DU
 
Output Q 
A signal at input Trg sets Q. If the input signal = 1, 
output Q remains set for the time Ta. 
Parameter T 
Note the information on parameter T in topic Time response (Page 151). 
The time for parameter T can be provided by the actual value of another already-
programmed function. You can use the actual values of the following functions:  
●  Analog comparator  (Page 218) (actual value Ax – Ay) 
●  Analog threshold trigger  (Page 213) (actual value Ax) 
●  Analog amplifier  (Page 226) (actual value Ax) 
●  Analog multiplexer  (Page 248) (actual value AQ) 
●  Analog ramp  (Page 251) (actual value AQ) 
●  Mathematic instruction (Page 265) (actual value AQ) 
●  PI controller  (Page 256) (actual value AQ) 
●  Up/down counter  (Page 201) (actual value Cnt) 
 
If your LOGO! is a LOGO! 0BA7, you can additionally use the actual values of the following