... one pump.. Several speed control modes: PID adjusting, jogging control, analog control, digital setting control, PC/PLC control by MODBUS, and so ... PC/PLC setting.Start/Stop ControlTerminal control, keypad control or PC/PLC control.Running Command Channels3 kinds of channels ... indoor location, Prevent exposure from direct sunlight, Free from dust, tangy caustic gases, flammable gases, steam or the ...