Instruction Manual

DataView™ LI55 Level Controller Instruction Manual
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INTRODUCTION
The DataView LI55 is a multi-purpose, easy to use digital process meter ideal for level,
flow rate, temperature, or pressure transmitter applications. It accepts current and
voltage signals (e.g. 4-20 mA, 0-10 V). Three of the front panel buttons can be
custom-programmed for a specific operation. The analog input can be scaled to
display the process in two different scales; for example the main display could indicate
level in feet and the second display could indicate the volume in gallons.
The basic model includes an isolated 24 VDC transmitter power supply that can be
used to power the input transmitter or other devices. An additional isolated 24 VDC
power supply is included with the 4-20 mA output option. A digital input is standard.
A fully loaded LI55 meter has the following: four SPDT relays, 4-20 mA output, and two
24 VDC power supplies. The LI55 capabilities may be enhanced by adding a four SPST
relays expansion module (creating an eight-relay process meter).
The eight relays can be used for alarm indication or process control applications, such as
pump alternation control. The 4-20 mA isolated output, and digital I/O options make the
LI55 an excellent addition to any system.
ORDERING INFORMATION
Standard Models
85-265 VAC
Model
12/24 VDC
Model
Options Installed
LI55-1001 LI55-8001 No options
LI55-1201 LI55-8201 2 relays (LI56-1201*)
LI55-1011 LI55-8011 4-20 mA output (LI56-1011*)
LI55-1401 LI55-8401 4 relays (LI56-1401*)
LI55-1211 LI55-8211 2 relays & 4-20 mA output (LI56-1211*)
LI55-1411 LI55-8411 4 relays & 4-20 mA output (LI56-1411*)
*Model number for replacement option card.
Accessories
Model Description
LI56-1400 4 SPST (Form A) relays
LI56-1000 Meter copy cable
LM91-1001 Single Display NEMA 4X Enclosure
LM91-2001 Dual Display NEMA 4X Enclosure