Designed for operating 3 loads requiring sequencing and alternation, with ‘AUTO’ selector switch monitoring.
The PC103-S accepts 5 switch inputs (pump off, lead on, lag on, lag 2 on and high level alarm).
All input switch and output relay status is indicated by clearly visible LED indicators.
Additional inputs are provided for monitoring the ‘AUTO’ position of each pump. If any pump is deselected via its H-O-A, it will be removed from the operational sequence automatically.
User programmable, alternation and fixed sequence.
RS485 MODBUS data port provides SCADA interface. 4/20ma input/output.