Siemens S7 Flip Flop

[allscott]

I know this has been answered before and I have searched the archives but can't find it.

What is the best (easiest) way to implement a simple flip flop in S7 ie: push a button once it turns on an output, push it again it turns off.

I feel silly asking this question but am in a hurry and my mind us mush.

 

[SimonGoldsworthy]

Here is a recent "toggle" thread: http://www.plctalk.net/qanda/showthread.php?t=14940

Note: Read all of it.

 

[Amr Hassan]

u can use the following


a "start"
s "run"
a "stop"
r "run"


or u can use the sr from the ladder libary (take care for the priority)