xy600 explosion-proof controller is a preset precision control equipment used in petroleum, chemical, pharmaceutical and other industries with siemens plcs as the main controlleriit is also widely used in closed loading control systems such as lpg, liquid ammonia, liquid chlorine, dimethyl ether, etc., through high-speed counter or communication interface to collect flowmeter signals or ground balance communication signals, control liquid phase regulating valves, liquid/gas cut off valves, etc., complete the quantitative loading and filling control of special liquid/gas.xy600 explosion-proof controller is a preset precision control equipment used in petroleum, chemical, pharmaceutical and other industries with siemens plc as the main controller. this controller is suitable for collecting pulse output flow meter/rs485 communication ground scale, 4-20ma analog output temperature, liquid level sensor and other control systems.