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 to make some changes, however; you are not sure whether the programs match. Well thankfully TIA portal has a tool for that. In this lesson, you are going to learn how to use the compare tool. This tool compares the offline program, which is what is on your computer, with the online program, which is the one that resides in the running project whether that be the PLC or simulator. Open up this lesson and see how we can compare programs.
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...
In the first lesson of this series, we discussed what was considered the first of its kind. A cyber weapon that’s purpose was to invade and stealthily command and hopefully destroy machinery that was controlled by a PLC control system. This weapon or virus appeared to have a specific target and a...
In the previous two lessons we discussed the Stuxnet virus and its purpose. As you may recall, this virus was believed to be the very first of its kind that was produced in order to cause physical damage to machinery via an industrial automation system. In this lesson, we are going to continue ou...
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