I have an existing CNC plasma table, I am currently looking for a new numeric controller for it. I came across this controller https://www.robotshop.com/en/usb-ethernet-cnc-controller-pokeys57cnc.html?gclid=EAIaIQobChMIhbf1qdG65wIVS18NCh0YGA3OEAkYASABEgIj1fD_BwE and was wondering if I need a separate card for the Torch Height Control? I already have the servo’s & drivers just need at least a 4 axis controller with THC.
This particular controller can handle up to 8 axis so you should be fine.
Height is generally called the “Z” axis.
Hope this help 
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