to doublecheck that, in roclink800 goto Control>FST registers and check that they are enabled. Typically FST1 is the shutdown logic, and the rest are for other functions, math and such, but it does not matter which is where as long as you have the FST's enabled to scan. Make sure after writing the new code, to goto system>Flags in roclink800 and click save configuration, so that it doesnt lose your changes.Ĥ. Comments are not loaded into the ROC, and although you can have an offline version, it is more common practice (when you are not limited by the lines of code, for example a FB503 only allowed 2 FST's 300lines each) to use LBL's that describe each step as well as MSG Commands to tell you what is happening at each point as both are loaded into the ROC.ģ. This is common practice, i am assuming it is to make sure the FST executes properly each scan.Ģ. Always start each FST with a WT (wait) command and ARG1 of generally 1. It is kind of similar to Basic programming but in a spreadsheet kind of layout.Ī couple common practices are as follows:ġ. This is for the ROC300, ROC800, FB407, FB408, FB503, FB504, FB103, FB104, FB107 and is for FST Programming and general Configurations in Rocklink800. PLCS does not have much information on ROC FST programming, as it is an RTU for the Oil and Gas sector, Now that I have taught myself a bunch, I thought I'd start a thread to help others.
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