We build sawmill equipment, we use Sure Grip Controls for operator controls, and like JoshS said we use hyd valve drivers that communicate vs J1939. See attached example of a joystick that we use on our machines, this joystick has 21 buttons and X-Y axis proportional control. Using CANbus we need only 5 wires for this joystick, instead of 21 digital inputs, and 2 analog inputs when hardwired back to the PLC. It would be nice to have a single PLC instead of an additional CAN to Ethernet Bridgeway.
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