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PRELIMINARY MANUAL
27 AUG 08
Commander LI90 Series
Rev 1_3
Application #3
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Overview
o
Pump Controller – The LI90 series in this application is typically used to provide
multiple relay contacts for a single 4-20 mA input. Relays 5 and 6 can be combined
to be programmed as duplexing / alternating relays.
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Power: Operates from 12 to 24 VDC power
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Inputs: Accepts a single 4-20 mA input, the input will be powered by 12
to 24 VDC power source
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Outputs: 6 relays are available to program as alarms, pumps or valves
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Enclosure: Front panel must be NEMA 4X rated
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Mounting: Panel must be ¼ DIN mounted and DIN rail mountable
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Volumetric: Display can indicate level in either Gallons or Liters for
vertical and horizontal tanks
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Simulation mode: Use this mode to simulate the level of liquid and test
relay operation without changing the true liquid level
