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Created by: jebilpk at: 11/21/2014 4:28 PM (1 Replies)

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11/21/2014 4:28 PM	Rate (0)
jebilpk Posts: 7 Rating: (0)	Hello, I have few PLC tags(boolean) linked to HMI tags. (these are level sensor datas). i am writing a VB script using sub function(). i need to change the level to bar based on the conditions. i am calling this VB function in the loaded event. minimum value tag is minval1 maximum value tag is maxval1 process value tag is midval1 i need to change the value of midval1 (between 0 and 100). is it necessarry to pass values by reference (HMI-PLC tags) to sub procedure? iam using TP 1500, with WINCC comfort (TIA v12)
jebilpk Posts: 7 Rating: (0)
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11/24/2014 8:28 AM	Rate (0)
K!ke Posts: 1299 Rating: (136)	Hello, if it's always the same tag you can use "SmartTags("midval1") to read and write the tag, you don't need to add a parameter. K!ke
K!ke Posts: 1299 Rating: (136)
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