A system to measure and control real-time parameters of a mill for grinding particulate without using auxiliary energy is disclosed. Sensors connected to the mill produce signals. A signal transmitting and receiving module is connected to the sensors and receives and transmits the mill process signals to a network. A modular power generator unit powers the system. A radio antenna receives and transmits signals from and to the signal transmitting and receiving module. A master controller connects to the network and to a distributed control system to receive and use process variables and the signals to compute and transmit setpoints to the distributed control system. The system alarms for upsets conditions, alters mill control variables, or both.
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