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About PLC_N00B_5

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    Hi, I am New!

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  1. How to control VFD speed Via HMI?

    apparently we have the analog output cards on order so thats what its going to end up being.
  2. How to control VFD speed Via HMI?

    the drives will be communicating to the PLC via the input and output terminal strip on the drives, its S1-S7 i believe. i just confirmed that we will not be using ethernet.  I would like the speed control to be in Hz to either speed up or slow down the motor.
  3. Hello, i am a novice when it comes to PLC programming so i was wondering if i could get some help designing a ladder circuit that allows me to control the speed of a motor connected to a VFD from my HMI. the components i am working with are as follows, NX1P2 omron PLC (with a few digital input & output cards), NA5-7 (V1) omron HMI, and a yaskawa GA500 VFD. Essentially i have a customer who would like to view and make adjustments the speed of a group of VFD's from their HMI located on the main control cabinet. I would like a little help designing the circuit within the controller (If at all possible) or maybe a bit of guidance as to the type of functions i can use to get the desired results.   any and all help is much appreciated, thanks