LI55-1201 Flowline Level Display & Controllers

The general purpose level controller displays engineering units with one 4-20 mA or 0-10 VDC continuous level sensor input and is offered in three configurations with optional 2 or 4 programmable relays, and an isolated 4-20 mA repeater. Each relay can be configured on a single set point (high level alarm or low level alarm) or latched on two set points for automatic fill or empty in simplex (one pump or valve) or duplex (two pumps) level control modes.

• Easy configuration via the push button display with relay status
• LED main display with secondary unit and bar graph display
• DIN enclosure with NEMA 4X faceplate and shallow case
• Isolated power supply to sensor with 4-20 mA repeater output
• Non-volatile memory with security password protection
• 32-point linearization function for volumetric measurement

• Simple display makes configuration easy
• Capable of displaying units in gallons, liters, inches, feet, meters, and percent of liquid
• Add 2 or 4 relays for direct control of pumps, valves or alarms
• Add repeater output to repeat input orignal to another PLC/SCADA or display