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Search: Posts Made By: ndzied1
Forum: LIVE PLC Questions And Answers April 21st, 2017, 08:28 AM
Replies: 80
Views: 7,259
Posted By ndzied1
Ron thanks for that. I must say I have never run...

Ron thanks for that. I must say I have never run into the issue you mentioned but see how it can be a problem. My Structured Text is all based on CoDeSys which does not have the [:=] operator.
Forum: LIVE PLC Questions And Answers April 20th, 2017, 12:26 AM
Replies: 80
Views: 7,259
Posted By ndzied1
You are right about the ladder checking for both...

You are right about the ladder checking for both TRUE and FALSE logic solutions but you can (and probably should) convert to ST without the IF/ELSE structure if you can.

For instance:

START...
Forum: LIVE PLC Questions And Answers April 19th, 2017, 05:12 PM
Replies: 80
Views: 7,259
Posted By ndzied1
As a computer programmer you might understand my...

As a computer programmer you might understand my view that ladder is like visual assembly language. :lolis:

Also, good ladder projects are generally broken down into manageable pieces (files) like...
Forum: LIVE PLC Questions And Answers April 19th, 2017, 10:47 AM
Replies: 80
Views: 7,259
Posted By ndzied1
The "Right Way" is not the same for all...

The "Right Way" is not the same for all applications. I once had to parse an ASCII string coming from a gauge in ladder logic in an SLC500 so that I could pull the measurement numbers from the...
Forum: LIVE PLC Questions And Answers April 19th, 2017, 10:41 AM
Replies: 80
Views: 7,259
Posted By ndzied1
Yup, this was how the SLC150's were programmed...

Yup, this was how the SLC150's were programmed when I started in this crazy field:
http://i.ebayimg.com/images/g/J0EAAOSwtfhYnjJe/s-l1600.jpg
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