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1. ## Memory M8011 - 5ms possible?

Greetings! I just have one question. Is it possible to get pulse time down to 5ms? I have only been using down to 10ms so far. Im using the M8011 timer memory. Thanks in advance! Best Regards Henrik.
2. ## Conditional increment after every five seconds

I want to build a logic in ladder diagram in RSLogix 5000 v16/v17 where an analog output is intially set to 10%. Two analog inputs are continuously being read and being compared to some respective threshold values, and if any of these two inputs are less than their respective threshold values, the PLC has to increment the analog output by 2% every 5 seconds. The effect of the analog output increment is reflected on this two analog inputs. If both the inputs reached their respective threshold values, turn on an LED lamp. Let me make it simple to understand: Let A = analog input1 B = analog input 2, C = analog output initially C = 10 after 5 seconds if A < 22 OR B < 36, then increment C by 2% if A < 22, B = 36, then increment C by 2% if A = 22, B < 36, then increment C by 2% and if A = 22 or greater and B = 36 or greater, turn on LED lamp do this (increase C by 2 %) every 5 seconds until both the inputs are equal or greater than their threshold values, i.e. A = 22, B = 36. The analog output must be set at increased value until next increment is given I've tried this using timer, timer done bit, timing bit, enable bit all, but did not success. The PLC doesn't increment after 1st increment, my logic is faulty. Any help would be appreciated. Thanks :)
3. ## exact timer 1 second

Hello, I need to set a 1 second timer in a TSX 572623 plc with pl7 pro, the question is that using %s6 bit (1 second pulse) the timer is not exact enough, the program is 98 kb, not too big I think, I use the %s6 attaching to a positive pulse auxiliar mark in one section of the program and i use this mark %M in the rest of the program, but as i said, it is not quite exact, measuring the time displayed in a HMI connected to the plc, 40 seconds in the program (displayed in a HMI), it´s 47 seconds in a chronometer, it is not exact at all as I said, how can I solve this problem, can anyone help me? Thanks

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