Application: Jy500b1 belt scale controller, mainly apply to bulk measurement in various industries such as power generation, coal industry, metallurgy, mining, harbor, chemical and building material industry and so on. Features: Feedrate measurement and control for conveyor belt scale and weigh feeder. 1 analog input. 2 analog output 3 digital input 7 digital relay output 1 pulse output Modbus communication ( independent rs232 and rs485 port) Ac220v power supply. Digital electronics. Provide accurate, drift-free performance Dimension:288*190*95mm 3.5kg