Parameterized tag read and write

Ignition
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1

I am trying use scripting in a vision client to read a tag and toggle it’s value when a button is pressed. The button is the same button used for 25 cases and will toggle the corresponding tags depending on the parameter number passed when the screen pops up. I have tried to insert a variable into the string path for the tag, but have not had any luck. Also I keep getting an error that says there is no attribute readblocking, but I am sure I have used that before.

station = str(event.source.parent.StationNum)
tag = ‘[default]Devices/S’+station+‘CondAEnbl’
current = system.tag.readblocking([tag])[0].value

2

Capitalization matters - try system.tag.readBlocking.

1 Like
3

Yep.
That would be it. Thank you. I figured it was something easy.