Thread: 525 UDFB in CCW
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Old December 7th, 2017, 05:54 AM   #10
ethen
Member
South Africa

ethen is offline
 
Join Date: Jul 2016
Location: Cape Town
Posts: 8
Hi PLC Guy

Hope you well. i did export the function block from your program and import it in mine. There is one thing i've notice when i start my process the speed reference change from 1 to 2.

I used a PID control whereby the output of my PID is Scaled 0-100% to 0-5000HZ which give you 0-50Hz for PF525 drives.

As my speed ramp up and down as per my PID the drive frequency stay at 50HZ because it speed reference is no longer 1 its 2 which mean speed reference 2.

Question: How can i prevent it to jump to other speedref. i also tried to put all speed references on 15 which is Ethernet/ip in the PF525.

Thanks i appreciate any help.
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