Remote Radio Control – Coal Mining

TC3 is a MSHA-approved handheld radio controller for the continuous coal mining. The RVU unit is installed in an explosion-proof, customer-supplied enclosure. It communicates with the TC3 Controller over radio and sends commands to the machine’s ECM over CAN bus. In addition to CAN bus, a DC output is provided as a redundant safety system.

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Explosion proof enclosure

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Canbus communication for continuous miner


Fully proportional control via eight independent toggle switches

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MSHA approval no. 18-A160002-0 to the TC3 controller


Stainless steel metal guard attached to protect the switches