We continue discussing the Online and Diagnostics topics available in our PLC. In this video, we’ll get into the performance data section. Among the available sections here is the Process Input Image or PII. We have had some detailed discussions regarding the PII in past videos and will discuss it a little more in this video. After modifying the PII’s memory area, then entire program must be reloaded to the CPU. We will go into detail about how to modify this parameter as well as what to do with the configuration once modified. Let’s open up and continue exploring the Online & Diagnostic area with this video lesson.
In part 1 of this lesson, we talked about the PII section of the performance data window found in the Online & Diagnostics area. We continue discussing the performance data section here briefly touching on the Process Image Output or the PIQ portion which we covered in great detail previously...
There may be an occasion that you have been hired by a company to make changes to an existing plant process but they don’t have a copy of the PLC program or you had a computer that the hard drive failed on and you have lost all of your data including past PLC programs, what can you do? Most PLC m...
In the previous lesson, we gave some instruction on how to upload a program from a PLC in the event that you don’t have a copy of the existing program. In this lesson we are going to discuss how to protect your programs from unwanted modification or viewing. The software package allows users to p...
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