akashleo

communication

7 posts in this topic

i have made a logic in rslogix500 and generated an analog output of 0-10v,can i give this signal to powerflex 40 so with change in signal i want to change the cpm through drive. Is it possible to do it,if not what are the other methods. I am new to this please help me with it.

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Yes, this is something you can do. You'll need to wire the output from your controller chassis analog output card to the analog input on the drive, which should be terminals 12 (10V+), 13 (0-10V Input), & 14 (Analog Common). You'll also need to program the drive use this input as the speed reference by changing parameter 38 to "0-10V Input".

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Posted (edited)

Do I need to establish communication in between plc and drive?

Edited by akashleo

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you can but do not need to communicate. it is possible to control VFD using I/O.

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I want to add cpm ( cycle per minute) to oscillator drive .  For 0volt cpm should pe 50 for maximum 10volt cpm should pe 200 which parameter i need to select in drive for minimum and maximum cpm.

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Look at P034 (Minimum Freq) and P035 (Maximum Freq).

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