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Pump management station for the waste water pumping station.  

Pump manager is designed for waste water-pumping stations. It provides control, regulation and protection to wastewater pumps.

Pump management station consists of:

1. Specialised controller for wastewater pumps.
2. Control cabinet with contactors and manual controls.
3. Communication device.
4. Primary sensors.

Typical specialised controller features are:
Variable frequency drivers control (all brand name protocols supported)
Pump status control
Pump protection (overcurrent, overvoltage, surge protection, phase unbalance)
Pumps working time count
Dry drive protection
Phase volltage measurements
Phase unbalance measurements
Phase current measurements
Overheating protection
Pressure measurement
Flow measurement
Temperature measurement
Setpoints memory
Events memory
Guard sensors control
LCD display
Pump rotation
Level setpoints
Pressure setpoints
Input pressure measurement
Output pressure measurement
Real time event log (200 events)
Comunication with high level of management (SCADA)

Control cabinet with contactors and manual controls:
Control cabinet is provided power supply for pump
Contactors control from specialised controller (Auto mode)
Contactors control from sensors (Local mode)
Contactors control from control switches (Manual mode)
Variable frequency drive may be installed in control cabinet and supported by specialised controller software.

Communication device.

Communication device is intended to provide connection between SCADA level and pump management station. It is located in control cabinet. Communication device is radio or power line modem with 4,8-Kbit rate.

Primary sensors-level transmitter and pressure transmitter.

A pair of level switches is provided for each pump to realise local mode.
Pressure transmitter is pipe-mounted sensor suitable for wastewater with 4-20 ma output. Level transmitter is pressure sensor suitable for wastewater located inside inlet tank with 4-20 ma output suitable for wastewater.
Number of stations can be connected to the supervisory workstation via high-speed radiolink or GSM.


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