Owner's manual

27 AUG 08 PRELIMINARY MANUAL 29 of 57
Rev 1_3 Commander LI90 Series
Application #2
• Overview
o Differential Level Controller – Commander will monitor the levels above and
below a rake and control a relay based upon the defined differential between the
two levels. In addition, a differential alarm can be programmed as well as
individual alarms for each input.
• Power: Operate from 12 to 24 VDC power
• Inputs: Accept up to two 4-20 mA inputs, the inputs will be powered by
12 to 24 VDC power source
• Outputs: Two alarm relays (one for each channel) and two relays that
activate based upon the differential value between the two inputs.
• Mounting: Commander can be ¼ DIN mounted and DIN rail mountable