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  • #13640

    Meden
    Participant
    @MEden

    Does your nano basics cover Messaging to VFD's(PF525 in particular) for control and retrieving data from drive to be used in the micro800 program?

    #13641

    Shawn Tierney
    Keymaster
    @Shawn_Tierney

    Good morning Meden,

    In “Nano Basics Extended Edition” I show how to communicate to the PowerFlex 4m via Modbus (lesson 4.6), and PowerFlex 525 via Ethernet (lesson 4.7), both by using Rockwell's free sample code.

    The UDFB (User Defined Function Blocks) I use in these lessons “reads” the Status Bits and Actual Speed, and “writes” to the Control Bits and Speed Reference.

    That said, there other sample blocks which read or write to a single or multiple registers, however I don't cover them as of yet but it is something I could add… which registers are you trying to read or write to?

    Sincerely,

    Shawn Tierney

    #13657

    Meden
    Participant
    @MEden

    There is a RA UDFB that has most of the controls I need such as speed ref, speed feedback, basic info so I can control and monitor from the HMI. However, I am also using a PID statement in the drive and I want to be able to turn the PID off for hand operation, as well as change the PID setpoint. I think I have figured most of it out, but I would like to run through see someone ru through it using the CIP Generic messaging to see if I can minimize my time debugging.

    #13673

    Shawn Tierney
    Keymaster
    @Shawn_Tierney

    Thanks for the feedback Meden

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