The BC110 series batch controller are designed to control one or two stage valve for batch process and are provide highly reliable results for the variety of industrial requirement. The BC110 series has micro-processor inside, which makes it dependable and the controller also has pulse input such as sine wave, open collector, reed switch and even analog input. The BC100 has two Relay. And two relay is can using one or two stage valve control. The 4-20mA Output and remote switch as an option.