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Author Topic: Boxford 160TCL  (Read 38722 times)

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Offline SimonD

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Re: Boxford 160TCL
« Reply #50 on: March 08, 2017, 03:19:31 PM »
I don't recall doing it as a matrix of buttons but may well have.... Many PLC's do allow that kind of input.
The CubLoc chip I used does have ModBus integrated which is how I got it to talk to Mach3

As for the rotary switch you can put a bunch of resistors across the poles of the switch to give you a stepped voltage depending on where the switch is rotated to. This can then be put into the PLC and decoded into a percentage and fed via ModBus.

The feedrate knob is a usefull addition but in all honesty is the only bit worth bothering with (apart from the e-stop!!)