The Series 900 RTU Multi-Pump Controller with full remote monitoring and control capabilities. The controller is designed to control two to four pumps to keep a local or remote storage tank full or to control the system pressure. The inputs to the controller can be level, pressure, or flow. The controller will provide START/STOP commands for the pumps. Pump alternation and duplex control are available from the controller.
If VFDs are used, the controller can provide an analog output signals for variable control. An operator interface terminal is used to read system parameters and insert new setpoint values.

A Remote Terminal Unit (RTU) provides the SCADA master station with remote monitoring and control capabilities by transmitting and receiving over commonly available communications media – 2-wire circuits, dedicated phone lines, DSL, radio, wireless, etc. Licensed radios in the VHF, UHF, and 900 MHz bands are utilized as well as non-licensed spread spectrum and Ethernet radios.