The control console has three-speed filling, slow/fast/slow with automatic tare and comes with an input/output relay rack. The relay rack has its own 25 watt power supply. This is separate from the microprocessor power supply. It has a seventeen button membrane keypad with numeric and Zero, Tare, Print, G/N, and Select/Enter keys. There are two communication ports, which can be configured to either bi-directional RS232, RS485, or 20mA current loop.