Hi.

How can I know PLC Status,to show RUN, STOP texts, on HMI MTP1200 and set mode RUN / STOP PLC S7-1200?

following the example of functions getplcmode and setplcmode in later versions of tia portals

Hello vladimir_3,

I have also been testing it and I think that Unified is not possible with these functions.

To know the status of the PLC what I do is send a bool from the PLC to the screen that remains for a second with the value at 1 and a second with the value 0, on the screen through scripting the change is checked Between 1 and 0, if the change does not occur, there is a problem with the PLC.

In Addition to what JBS98 mentioned:

If the bit is not toggling, the PLC might just be in Stop. I wanted to see if it is in running/stopped oder disconnected. Besides from the System Diagnostic Control, i wanted it to read out and save it in a tag.

All PLC Tags have a QualityCode that is used to by the HMI to identify, if the Code recieved is valid. You can read out the QualityCode via Script. This way you get three different Quality Codes.

In my tests these were:

You could safe this in a tag and connect a text list with those values. The value Datails are described in the TIA Portal help.

To read it out, following Code works: (3 Tags because i needed 3 different PLCs to gert all codes at the same time)