Siemens SPS starter kit 6ED1057-3BA00-0AA8 12 Vdc, 24 Vdc 6ED1057-3BA00-0AA8 Datenbogen
Produktcode
6ED1057-3BA00-0AA8
LOGO! functions
4.4 Special functions list - SF
LOGO!
198
Manual, 06/2014, A5E33039675
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:
Retentivity:
/ = no retentivity
R = the status is retentive.
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
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.
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.
Status diagram
Par
Q
n-1
S
R
Trg
Q
n
*
0
0
0
0
0
*
0
0
0
0 ->1
1**
*
0
0
1
0
0
*
0
0
1
0 ->1
0