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

 

LOGO! functions 

 

4.4 Special functions list - SF 

LOGO! 
Manual, 04/2011, A5E03556174-01 

229

 

4.4.24 

Pulse relay 

Short description 

A short pulse at the input sets and resets the output.    

 

Symbol in LOGO! 

Wiring 

Description 

Input Trg 

You set and reset output Q with a signal at input Trg 

(Trigger). 

Input S 

You set output Q with a signal at input S. 

Input R 

You reset output Q with a signal at input R. 

Parameter 

Selection: 

 RS (R input priority) or 

 SR (S input priority) 
Retentivity: 

/ = No retentivity 

R = The status is retentive. 

56

4

7UJ
6
5
3DU

 

Output Q 

Q is set with a signal at Trg, and reset with the next 

signal at Trg, if S and R = 0. 

Timing diagram  

6

5

4

7UJ

7KHEROGSULQWHGVHFWLRQRIWKH
WLPLQJGLDJUDPLVDOVRVKRZQ
LQWKHV\PEROIRUWKHSXOVH
UHOD\

 

Functional description 

Output Q changes its status; that is, the output is set or reset with each 0 to 1 transition at 

input Trg and if the inputs S and R = 0.  
The signal at input Trg does not influence the special function when S or R = 1. 
You set the pulse relay with a signal at input S. The output is set hi. 
You reset the pulse relay with a signal at input R. The output is set lo.