The assignment list tool has been discussed in many previous lessons as a valued addition to your troubleshooting repertoire. In this lesson, we will discuss yet another purpose for this tool. Frequently, when you download your program to the PLC for the first time or are using the simulator to test your program and the CPU is indicating all is well yet the program is not functioning as expected, you may have an address conflict. The assignment list may very well help you discover that you have some addresses overlapping. When you have duplicate uses for an address, the program will likely not function as intended. Let’s explore this troubleshooting option in this installment of the assignment list tool.
When it comes to information about your PLC program, the more you have the better. In this lesson, we are going to demonstrate the resources tab. This tool will provide information about the configured hardware such as inputs and outputs as well as how many of them are used within the project. Yo...
There may be an occasion when you are not sure whether the program you have residing on your computer is the same as the program that resides on the PLC or simulator. You may have come into the project after development and you received a copy of the program from the previous programmer. You need...
Are you all familiar with the modern-day boogieman? The boogieman for computers that is. There are guys out there whose sole purpose is to wreak havoc on the computer of the unsuspecting soul who dares to open that email message or the unknown web page. Well, recently it was discovered that there...
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