control

TurbineSide = "right"
ModemSide = "left"

Reactor = false
rednet.open(ModemSide)
Turbine = peripheral.wrap(TurbineSide)

function checkTurbine()
  local rpm = Turbine.getRotorSpeed()
  if rpm > 1700 then
    print("RPM: "..rpm..", engaging coils!"
    Turbine.setInductorEngaged(true)
  elseif rpm < 1700 and Turbine.getInductorEngaged() then
    print("RPM dropped to "..rpm..", disengaging coils!")
    Turbine.setInductorEngaged(false)
  end
end

os.startTimer(1)

while true do
  local event, param1, param2, param3 = os.pullEvent()
  if event == "timer" then
    os.startTimer(1)
    if Reactor then
      checkTurbine()
    end
  elseif event == "rednet_message"
    if param2 == "on" then
      print("Reactor turned on, disengaging coils!")
      Reactor = true
      Turbine.setInductorEngaged(false)
      checkTurbine()
    elseif param2 == "off" then
      print("Reactor turned off!")
      Reactor = false
    end
  end
end