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How to write value in the PI from UFL interface with a delay

Question asked by vancho.janev on Jun 18, 2015
Latest reply on Apr 1, 2016 by chegardt

Hello,

 

We are receiving data over an email. This email holds value and specific time when this value should be send to a DCS (distributed control system).

 

For reading the value from the email, I was thinking to use PI UFL. Then, after the value is read, to configure the UFL tag to be sourcetag of an existing output tag by which values in the DCS can be send.

But my problem is that we usually receive the email 5-30 min before the time required the value to be send to the DCS and I would need to implement some kind of a delay (depending on the email receiving time) of writing the value to the UFL tag.

 

What is your opinion, could delay for writing the value in the UFL tag be implemented in the UFL Ini file. Or there is better approach to solve this problem?

 

Thank you for your help in advance.

 

Regards,

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