07/28/2020
APPLICATION:
DC power back up at a sewage lift station for continued PLC, radio and level instrumentation power.
CUSTOMER ISSUE:
Needed to maintain communications, PLC control and wet well level measurement at multiple sewage lift stations even if the main power is lost. Needed DC power back up at stations with generators in case generator failed to start.
OUR SOLUTION:
Installed Puls UPS Controller with battery, Puls 24 VDC power supply and DC to DC converters. Customer now has both 12 VDC and 24 VDC power available to maintain station communications, station control and wet well level measurement. The Puls UPS Controller also provides an alarm output to the station PLC to notify maintenance personnel of the loss of main power.