DataView™ LI55 Level Controller Instruction Manual
4 MN301033 Rev B1
Full Menu Display Functions & Messages .................................................... 37
Full Menu ........................................................................................................ 40
SETTING UP THE METER WITH THE FULL MENU (sEtuP) ........................ 41
Setting the Input Signal (InPut) .............................................................. 42
Dual-Scale ......................................................................................... 42
Setting Custom Units or Tags (units) .................................................... 43
Setting the Decimal Point (dEC Pt) .......................................................... 44
Programming the Meter (proG) ............................................................... 45
Program Menu for Single Scale Process ........................................... 45
Program Menu for Dual-Scale Level Applications ............................. 45
Multi-Point Calibration & Scaling ........................................................ 46
Scaling the Meter (SCALE) ................................................................. 46
Dual-Scale for Level Application ........................................................ 47
Calibrating the Meter with External Source (CAL) .............................. 49
Setting the Display Parameter & Intensity (dsPLAY) ................................ 50
Display Setup Menu ................................................................................. 51
SETTING THE RELAY OPERATION (rELAY) ................................................. 52
Setting the Relay Action ........................................................................... 53
Programming Set and Reset Points ......................................................... 54
Setting Fail-Safe Operation ....................................................................... 54
Programming Time Delay ........................................................................ 54
Relay Action for Loss of 4-20 mA Input (Loop Break) .............................. 54
RELAY AND ALARM OPERATION DIAGRAMS ........................................... 55
High Alarm Operation (Set > Reset) ........................................................ 55
Low Alarm Operation (Set < Reset) ......................................................... 56
High Alarm with Fail-Safe Operation (Set > Reset) ................................. 57
Low Alarm with Fail-Safe Operation (Set < Reset) ................................. 58
Pump Alternation Control Operation ........................................................ 59
Relay Sampling Operation ....................................................................... 60
Signal Loss or Loop Break Relay Operation ........................................... 61
Time Delay Operation .............................................................................. 62
RELAY OPERATION DETAILS ..................................................................... 63
Overview .................................................................................................. 63
Relays Auto Initialization ........................................................................... 63
Fail-Safe Operation .................................................................................. 63
Front Panel LEDs ..................................................................................... 64
Latching and Non-Latching Relay Operation ........................................... 64
Non-Latching Relay (Auto) ..................................................................... 65
Non-Latching Relay (A-rn An) ................................................................ 65
Latching Relay (LAtcH) ........................................................................... 65
Latching Relay (Lt-CLr) .......................................................................... 66