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dubmark74
#1 Posted : Tuesday, March 29, 2011 3:44:15 PM
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Joined: 6/23/2010
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Hello,

Heres my problem. I have a PI tag which displays the status of a plant, 0=Out of Service 1=In Service, 2=Fault, etc. I have drawn a process bok screen and i would lile to display the plant status in text. I initially went to a multi-state and tried using a PI calcuation, formula: if 'tag'=0 then "OUT" else "IN", etc. This doesn't seem to work. Is VB the best way of doing this, if so i'd appreciate any pointer for the code.

Thanks in advance, Mark.
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jc113883
#2 Posted : Wednesday, March 30, 2011 11:40:28 PM
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You're close!

1) Create a new Dataset (PI calculation) as you have written.
2) Add a value to the PI display, but instead of referring to the original tag, refer to the dataset.

Multistate is only for changing the colours of a value or symbol.
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dubmark74
#3 Posted : Friday, April 08, 2011 3:38:52 PM
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Only got a chance to look at this now, worked perfectly, i was so close but yet so far. Thanks a lot.
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