3/29/2021 3:13 PM | |
Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating: (1054)
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hi DanF5, the precission could also be in your programming. What OB do you use for your positioning? What cycle-time does it have? There is also a chapter in this manual that describes what it neccessary for positioning with 31xC controller: SIMATIC S7-300 CPU 31xC Technological Functionshope this helps, regards |
FCK WAR! |
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3/29/2021 6:16 PM | |
Joined: 2/17/2009 Last visit: 9/27/2024 Posts: 57 Rating: (2) |
I've put the calls to SFB47 in OB1 with a cycle time of 2ms. I've looked through manuals & examples online, but I can't seem to find an answer on how to use the COUNTVAL option to stop the output when it reaches a specific count val. Which is where I am using comparators at the moment, but there surely must be a smarter & more precise way than that! Any pointers on that? |
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