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AB RSlogix500 timer bit

Posted: Thu Jan 03, 2019 8:58 am
by sandumon84

As I just upgrading the AB PLC to Siemens PLC I have small doubt regarding the logic

In the logic there is a TON timer with 900sec preset and most of the rungs used a bit .ACC/0 bit , when I tried to simulate the logic it is showing blinking like every second. In siemens I believe we can use the clock pulse to implement this. Am I correct?


Re: AB RSlogix500 timer bit

Posted: Mon Jan 28, 2019 3:03 pm
by Guille
In AB the timers use the time value in ms. 900 means 900ms. Use the bit TIME.DN to perform an action when the timer expire.