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DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
2 MN302100 Rev 3
Disclaimer
The information contained in this document is subject to change without notice.
Flowline makes no representations or warranties with respect to the contents hereof
and specifically disclaims any implied warranties of merchantability or fitness for a
particular purpose.
CAUTION: Read complete
instructions prior to installa-
tion and operation of the
meter.
WARNING: Risk of elec-
tric shock or personal
injury.
Warning!
This product is not recommended for life support applica-
tions or applications where malfunctioning could result in
personal injury or property loss. Anyone using this product
for such applications does so at his/her own risk. Flowline
Incorporated shall not be held liable for damages resulting
from such improper use.
Registered Trademarks
NORYL® and LEXAN® are registered trademarks of SABIC Innovative Plastics. All
other trademarks mentioned in this document are the property of their respective
owners.
© 2018 Flowline Incorporated. All rights reserved.
www.flowline.com
!

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 3
Table of Contents
Table of Contents ----------------------------------------- 3
Table of Figures ------------------------------------------- 3
Introduction ------------------------------------------------- 4
Ordering Information ------------------------------------ 5
Enclosures --------------------------------------------------------- 5
Specifications ---------------------------------------------- 6
Input ------------------------------------------------------------------ 6
Display --------------------------------------------------------------- 6
General -------------------------------------------------------------- 6
Common Open Collector & Relay (Alarm)
Specifications ----------------------------------------------------- 7
Open Collector Output ----------------------------------------- 7
Solid State Relays ----------------------------------------------- 7
4-20 mA Transmitter Output ---------------------------------- 7
Safety Information ---------------------------------------- 8
Installation -------------------------------------------------- 8
Unpacking ---------------------------------------------------------- 8
Panel Mounting Instructions --------------------------------- 9
Mounting Dimensions ------------------------------------------ 9
Connections ------------------------------------------------------ 10
Connectors Labeling ------------------------------------------ 10
Current Loop (4-20 mA) Connections -------------------- 11
Digital Input Connection -------------------------------------- 1 1 
4-20 mA Output Connections ------------------------------- 12
Solid State Relay Connections ----------------------------- 12
Open Collector Outputs -------------------------------------- 13
Setup and Programming ------------------------------ 14
Overview ----------------------------------------------------------- 14
Front Panel Buttons and Status LED Indicators ------ 14
Display Functions & Messages----------------------------- 15
Main Menu --------------------------------------------------------- 18
Setting Numeric Values -------------------------------------- 18
Setting Up the Input Signal (INPUT)------------------------ 19
Available Unit Classes and Units -------------------------- 20
Setting Custom Units (CUSTOM) ---------------------------- 20
Scaling the 4-20 mA Input ......................................... 21
Setting the Display Features (DISPLAY) ...................... 21
Changing the Units (UNITS) ....................................... 21
Changing the Decimal Place Location (DEC.PT) ......... 21
Enabling or Disabling the Comma on the Bottom
Display (COMMA) ....................................................... 21
Changing What is Displayed (TOP and BOTTOM) ....... 22
Programming the Bargraph ....................................... 23
Programming the Outputs (OUTPUT).......................... 23
Open Collector Outputs (OPENCOLLECTR) .................. 25
Solid State Relay Outputs (RELAY) ............................. 29
4-20 mA Output (4‐20mA) ......................................... 35
Output Control (CONTROL) ......................................... 35
Advanced Features Menu (ADVANCED) ...................... 36
Advanced Process Variable Setup (ADVPVSETUP) ... 37
Low-Flow Cutoff (CUTOFF) ......................................... 38
Noise Filter (FILTER) ................................................... 39
Enabling Password Protection (PASSWRD) ................. 39
Programmable Function Keys User Menu (USER) ...... 40
Changing System Settings (SYSTEM) ......................... 41
Meter Operation ................................................... 43
Front Panel Buttons Operation .................................. 43
Function Keys Operation ........................................... 43
Digital Input Operation ............................................... 43
Maximum/Minimum Readings ................................... 43
Changing Engineering Units ...................................... 43
Troubleshooting .................................................. 44
Reset Meter to Factory Defaults ................................ 44
Determining Software Version ................................... 44
Factory Default Settings ............................................ 45
Troubleshooting Tips ................................................. 46
Warranty ............................................................... 48
Returns ........................................................................ 48
Limitations ................................................................... 48
Table of Figures
Figure 1. 1/8 DIN Panel Cutout Dimensions and Panel
Mounting Details ..................................................... 9
Figure 2. Meter Dimensions - Side View ......................... 9
Figure 3. Meter Dimensions - Front View ........................ 9
Figure 4. Connector Labeling for Fully Loaded Meter ... 10
Figure 5. 4-20 mA Input Connection without Backlight .. 11
Figure 6. 4-20 mA Input Connection with Backlight ....... 11
Figure 7. Digital Input Connections ................................ 11
Figure 8. 4-20 mA Output Connections .......................... 12
Figure 9. Solid State Relay Connections ....................... 1 2 
Figure 10. Open Collector Output Connections ............. 13

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
4 MN302100 Rev 3
Introduction
These loop-powered 1/8 DIN digital panel meters can be installed virtually anywhere to provide conven-
ient and informative display of any 4-20 mA signal. One of the most convenient features of these instru-
ments is their dual line display which is typically used to display the process variable on the 5-digit alpha-
numeric top line and the units or a tag on the 8-digit alphanumeric bottom line. Another common setup is
to display the input in one scale on the top line (such as feet) and another scale on the bottom line (such
as gallons). Both of these lines use 14-segment, alphanumeric characters for clear indication of tags,
units or alarm messages.
Further enhancing the display on these instruments is a 20-segment bargraph that also includes a numer-
ic value of the percentage the bargraph represents.
These loop-powered meters can be installed virtually anywhere because they get their power from the 4-
20 mA loop and therefore require no separate power source. And they only drop 1.5 V (4.5 V with back-
light), so they add very little burden to the loop. Additional features that allow these instruments to be in-
stalled virtually anywhere include a NEMA 4X, IP65 front panel, an operating temperature range of -40 to
167°F (-40 to 75°C), conformally coated PCBs, and a backlit LCD that can be read in bright sunlight or
dimly lit areas.
The meter can be programmed, setup and operated via the four front panel buttons. Three of these but-
tons can be used as function keys. In addition, a digital input is standard and is particularly useful for re-
mote reset of the alarms or to trigger an alarm.
All models come equipped with two open collector outputs and are available with two solid state relays
and 4-20 mA analog output options. The open collector outputs are useful for alarm indication or pulse
output. The relays can be programmed for alarm indication, on/off control, or pump alternation.

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 5
Ordering Information
LI23
–
General Purpose
Part Numbe
r
Description
LI23-1001 Loop-Powered, General Purpose, Bargraph, No Options
LI23-1011 Loop-Powered, General Purpose, Bargraph, 4-20 mA Analog Output
LI23-1201 Loop-Powered, General Purpose, Bargraph, Two Solid State Relays
LI23-1211 Loop-Powered, General Purpose, Bargraph, Two Solid State Relays and 4-
20 mA Analog Output
Note: All models come with two open collector outputs standard.
Enclosures
Enclosures
Model # of Meters Description Mounting
LM91-1001 1 Plastic NEMA 4X Enclosure Through Cover
LM91-2001 2 Plastic NEMA 4X Enclosure Through Cover
LM92-1001 1 Plastic NEMA 4X Enclosure Inside Cover
LM93-1001 2 Plastic NEMA 4X Enclosure Inside Cover

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
6 MN302100 Rev 3
Specifications
Except where noted all specifications apply to operation at +25°C.
Input
Input 4-20 mA
Accuracy ±0.02% of span ±1 count, Square root and
programmable exponent: 10-100% FS
Voltage Drop Without Backlight: 1.5 V maximum,
With backlight: 4.5 V maximum
Equivalent
Resistance With backlight off: 75 Ω @ 20 mA
With backlight on: 225 Ω @ 20 mA
Input Overload Over current protection to 1 A maximum
Over voltage protection to 30 VDC max
(between mA+ and mA-/BL-)
Temperature Drift 25 PPM/°C from -40 to 75°C ambient
Function PV1: Linear, square root, or programmable
exponent
PV2: Linear or Round Horizontal Tank
Low-Flow Cutoff 0.0 to 999,999.9
HART
Transparency
Analog input will not interfere with existing
HART communications on the wired 4-20 mA
signal
Display
Display Dual-line LCD with backlight. Both lines 14-
segment alphanumeric. Top: 0.7" (17.8 mm),
Bottom: 0.4" (10.2 mm). Display may be pro-
grammed to turn red and flash a user-defined
message on alarm condition.
Backlight Powered by 4-20 mA loop. Intensity varies with
signal level
Top Line 5 digits (-9999 to 99999) or 5 characters (all
capital & most lower-case letters)
Bottom Line 8 digits (-9,999,999 to 99,999,999; separated
by commas) or 8 characters (all capital & most
lower-case letters)
Bargraph 20 segments, numeric percent indication at top
Decimal Point Up to four decimal places on top line and
up to seven decimal places on bottom line
Commas Commas to indicate 1000s (e.g. 88,987,628)
on bottom line
Dual-Scale
Feature
The input can be displayed in different scales
on the top and bottom lines. For instance, the
top line could display the input in height and
the bottom line could display that same input in
volume.
Alarm Indication Red backlight, flashing display, bargraph seg-
ment flashes on alarm.
Alarm Message On or Off; user programmable, 8 characters
maximum. Displayed every 10 seconds for 1
second on bottom line.
Display Update
Rate
Ambient > -10°C: 1 Update/Second
Ambient = -20°C: 1 Update/2 Seconds
From -20°C to -40°C the update rate slows
down 1 second for every -2°C (e.g. at -24°C, 1
update/4 seconds).
Overrange Top: 99999; Bottom: 99,999,999 (flashing)
Underrange Top: -9999; Bottom: -9,999,999 (flashing)
General
Environmental Operating temperature range:
-40 to 75°C for safe area products
Storage temperature range: -40 to 85°C
Relative humidity: 0 to 90% non-condensing;
Printed circuit boards are conformally coated.
Programming
Method
Front panel
Enclosure &
Materials
Enclosure: 1/8 DIN, IP65, NEMA 4X front pan-
el, high impact plastic, NORYL®
polyphenylene ether & polystyrene blend (PPE
PS) resin, UL 94V-0, Color: gray
Gasket: Silicone Rubber
Faceplate: LEXAN® polycarbonate (PC) Film
Buttons: Silicone rubber
Noise Filter Averages the input signal over a period of time
between 1 and 16 seconds to dampen the
effects of a noisy signal that causes a jumpy
display.
Filter Bypass 0.0 to 99.9% of full scale. Input signal changes
greater than bypass value are displayed im-
mediately.
Max/Min
Display
Max/min readings reached by the process are
stored until reset by the user or until power to
the meter is turned off.
Tare Zeros out display
Password Programmable password restricts modification
of programmed settings.
Non-Volatile
Memory
All programmed settings are stored in non-
volatile memory for a minimum of ten years if
power is lost.
Normal Mode
Rejection
64 dB at 50/60 Hz
Connections Removable screw terminals accept 12 to 22
AWG wire
DI Digital Input
Contacts
2.1 VDC on contact. Connect normally open
contacts across DI+ to DI-
DI Digital Input
Logic Levels
Logic High: 2.4 to 30 VDC (max)
Logic Low: 0 to 0.9 VDC
Tightening Torque Screw terminal connectors: 4.5 lb-in (0.5 Nm)
Mounting screws: 8.0 lb-in max. (0.9 Nm)
Overall
Dimensions
4.68" x 2.45" x 3.79"
(119 mm x 62 mm x 96 mm) (W x H x D)
Weight 8.7 oz (247g) with option board
Warranty 3 years parts and labor

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 7
Common Open Collector & Relay (Alarm)
Specifications
High or Low
Alarm
User programmable for high or low alarm
Alarm Deadband 0-100% FS, user programmable
On & Off Time
Delay
0 to 9,999 seconds
Fail-Safe
Operation
Independent for each open collector and relay
Fail-safe on, the output is on under normal
conditions
Fail-safe off, the output is on under alarm
conditions
Alarm Operation Automatic, automatic with manual override,
latching (manual reset anytime), latching with
reset after cleared (manual reset only after
alarm has cleared)
Alarm Indication Red backlight, Flashing display, Bargraph
segment flashes on alarm.
Alarm Message On or Off; User programmable, 8 characters
maximum; Displayed every 10 sec for 1 sec
on bottom
Alarm
Acknowledge
Front panel ACK button or external digital
input resets output and screen indication
Auto Initialization When power is applied to the meter, open
collectors and relays will reflect the state of
the input to the meter
Timer Output One-shot or Continuous
Off Time Delay: 1 sec to 99:59:59
(hrs:min:sec)
On Time: 1 sec to 99:59:59 (hrs:min:sec)
Stopwatch Output turns on when started and off when
stopped
Open Collector Output
Rating Two NPN, Isolated open collector,
5-30 VDC @ 150 mA maximum
Output
Assignment
Pulse, Alarm, Timer, Stopwatch on/off, or
Disable
Pulse Output
Source
PV (PV1, PV2) or Test Frequency
Pulse Output
Factor
0.000001 to 999,999.9
Pulse Width 0.5 ms @ 1 kHz; 500 ms @ 1 Hz;
50% duty cycle
Pulse Output
Frequency
1,000 Hz maximum
Quadrature Pulse
Output
Available for Output 2 (90° behind Output 1)
Alarm Output
Source
Assign to PV (PV1, PV2) or Digital Input
Solid State Relays
Rating 250 VAC/VDC @ 1A resistive
75VA; 250VAC; 0.6A pilot duty (inductive) –
UL Code D300
25VA; 250VDC; 0.6A pilot duty (inductive) –
UL Code R300
Noise
Suppression
Metal oxide varistors across outputs
Relay
Assignment
Pump Alternation, Alarm, Timer, Stopwatch
on/off, or Disable
Alarm Output
Source
Assign to PV (PV1, PV2) or Digital Input
Pump Alternation Relays will alternate with each pump cycle
and alternation can be based on elapsed
time. Pump alternation time can be pro-
gramed for: 0 to 999:59 (hrs:min)
Relay (Pump)
Runtime
Meter will keep track of how long each relay
(pump) has operated and display this infor-
mation
Relay (Pump)
Cycles
Meter will keep track of how many times the
relays (pumps) have cycled and display this
information
4-20 mA Transmitter Output
Accuracy ±0.05% FS ±0.001mA
Output Source PV1, PV2, re-transmit; reverse scaling al-
lowed
Scaling Range 1.00 to 23.0 mA
Disable High impedance state, less than 1 mA
Calibration Factory calibrated 4.00 to 20.00 mA
Underrange 1.0 mA, 3.5 mA, or 3.8 mA (If input < 3.5 mA);
or Off; user selectable
Overrange 20.5 mA, 20.8 mA, or 23.0 mA (If input > 20.5
mA); or Off; user selectable
Isolation 500 V input-to-output
Temperature Drift 0.5 µA/°C max from -40 to 75°C ambient
External Loop
Power Supply
7.0 VDC to 30.0 VDC maximum
Output Loop Re-
sistance
10-750 Ω @ 24 VDC; 10-1100 Ω @ 30 VDC

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
8 MN302100 Rev 3
Safety Information
CAUTION: Read complete in-
structions prior to installation
and operation of the meter.
WARNING: Risk of electric
shock or personal injury.
Warning!
 Hazardous voltages exist within enclosure. Installation and service should be performed only
by trained service personnel.
 Service requiring replacement of internal components must be performed at the factory.
Installation
There is no need to remove the meter from its case to complete the installation, wiring, and setup of
the meter for most applications.
Unpacking
Remove the meter from box. Inspect the packaging and contents for damage. Report damages, if
any, to the carrier.
If any part is missing or the meter malfunctions, please contact your supplier or the factory for assis-
tance.
!

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 9
Panel Mounting Instructions
 Prepare a standard 1/8 DIN panel cutout – 3.622" x 1.772" (92 mm x 45 mm). Refer to Figure 1 be-
low, for more details.
 Clearance: allow at least 4.0" (102 mm) behind the panel for wiring.
 Panel thickness: 0.04" - 0.25" (1.0 mm - 6.4 mm).
Recommended minimum panel thickness to maintain Type 4X rating: 0.06" (1.5 mm) steel panel,
0.16" (4.1 mm) plastic panel.
 Remove the two mounting brackets provided with the meter (back-off the two screws so that there is ¼"
(6.4 mm) or less through the bracket. Slide the bracket toward the front of the case and remove).
 Insert meter into the panel cutout.
 Install mounting brackets and tighten the screws against the panel. To achieve a proper seal, tighten
the mounting bracket screws evenly until meter is snug to the panel along its short side. DO NOT
OVER TIGHTEN, as the rear of the panel may be damaged.
Figure 1. 1/8 DIN Panel Cutout Dimensions and Panel Mounting Details
Mounting Dimensions
Figure 2. Meter Dimensions - Side View Figure 3. Meter Dimensions - Front View
1.76"
(45mm)
0.59"
(15mm)
3.2"
(81mm)
2.45"
(62mm)
3.6"
(91mm)

DataL
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7
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DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 11
Current Loop (4-20 mA) Connections
Signal connections are made to a six-terminal connector labeled SIGNAL on Figure 4. The following fig-
ures show a 4-20 mA current loop connected to the meter. The first figure shows the connection without
the backlight and the second shows the connection with the backlight (the backlight can be disa-
bled/enabled in the SYSTEM menu). The meter is powered by the 4-20 mA current loop.
There are no switches or jumpers to set up for the input. Setup and programming is performed through
the front panel buttons or PC-based software.
Figure 5. 4-20 mA Input Connection without Backlight
Figure 6. 4-20 mA Input Connection with Backlight
The current input is protected against current overload up to 1 amp. The display may or may not show a
fault condition depending on the nature of the overload.
Digital Input Connection
A digital input is standard on the meter. This digital input is connected with a normally open contact
across DI+ and DI-, or with an active low signal applied to DI+ and DI-.
Figure 7. Digital Input Connections
DI+ DI- mA- mA+ BL-X
DI+ DI- mA- mA+ BL-X
DI+ DI- mA- mA+ BL-X

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
12 MN302100 Rev 3
4-20 mA Output Connections
Connections for the 4-20 mA transmitter output are made to the connector terminals labeled mA OUT.
The 4-20 mA output must be powered from an external power supply.
Figure 8. 4-20 mA Output Connections
Solid State Relay Connections
Relay connections are made to a four-terminal connector labeled SSR1 and SSR2 in Figure 4. Each re-
lay’s C terminal is common only to the normally open (NO) contact of the corresponding relay.
Figure 9. Solid State Relay Connections
I+ I-
CNOCNO
Internal
Load Load

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 13
Open Collector Outputs
Open collector output 1 and 2 connections are made to terminals labeled O1+ and O1-, and O2+
and O2-. Connect the alarm or pulse input device as shown below.
Figure 10. Open Collector Output Connections
O1+ O1- O2+ O2-

DataL
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14
Setu
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software.
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w
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e
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ton to scroll
b
s
a menu or t
o
Process
d prior to shi
p
0 mA input.
T
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to NIST sta
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LED Indi
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ogramming
M
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Meter
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ment to dis
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through the
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ators
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PV Barg
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M
ode at any
t
r
ough the me
n
n
g, or decre
m
i
gits/charact
e
rough the m
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DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 15
Display Functions & Messages
The meter displays various functions and messages during setup, programming, and operation. The following table
shows the main menu functions and messages in the order they appear in the menu.
Parameter Action/Setting Description
INPUT (PV1 & PV2) Program the meter 4-20 mA input
(two menus, PV1 and PV2, are
available if in dual scale mode; see
PV2 under advanced features
menu)
 SCALEPV (1 or 2) Scale the selected PV
UNITS Select the display units
VOLUME Volume unit class
GAL Gallons
L Liters
IGAL Imperial Gallons
M3 Cubic Meters
    BBL Barrels
BUSH Bushels
cuYD Cubic Yards
cuFt Cubic Feet
cuIn Cubic Inches
    LiBBL Liquid barrels
    BBBL Beer barrels
HECtL Hectoliter
AF Acre-Foot
CUSTM Custom Unit
HEIGHT Height unit class
INCH Inches
    FEET Feet
FT‐IN Feet & Inches
YARD Yards
CM Centimeters
M Meters
CUSTOM Custom unit
TEMP Temperature unit class
~F Degrees Fahrenheit
~C Degrees Celsius
K Kelvin
~RA Degrees Rankine
   PRESSURE Pressure unit class
PSI Pounds per square inch
InHg Inches of mercury
InH2O Inches of water
    mmHg Millimeters of mercury
Kg/CM2 Kilograms per square centimeter
Kg/M2 Kilograms per square meter
mBAr Millibar
Bar Bar
PA Pascal
hPA Hectopascal
KPA Kilopascal
    MPA Megapascal
CUSTM Custom unit
Parameter Action/Setting Description
WEIGHT Weight unit class
gm Grams
Kg Kilograms
    tonnE Tonnes (metric)
oz Ounces
1b Pounds
ton Tons
CUSTOM Custom unit
RATE Rate unit class
/SECOND Units per second
/MINUTE Units per minute
/HOUR Units per hour
/DAY Units per day
 GAL/(T) Gallons per time unit (T)
 L/(T) Liters per time unit (T)
 IGAL/(T) Imperial gallons per time unit (T)
 M3/(T) Cubic meters per time unit (T)
     BBL/(T) Barrels per time unit (T)
 BUSH/(T) Bushels per time unit (T)
 cuYD/(T) Cubic Yards per time unit (T)
 cuFt/(T) Cubic Feet per time unit (T)
     cuIn/(T) Cubic Inches per time unit (T)
     LiBBL/(T) Liquid barrels per time unit (T)
 BBBL/(T) Beer barrels per time unit (T)
 HECtL/(T) Hectoliter per time unit (T)
 AF/(T)Acre-Foot per time unit (T)
 CUSTOM/ Custom unit per time unit (T)
CUSTOM Custom unit class
C.UNIT Custom unit
INPUT1 Program input 1 value
INP1 Enter the input 1 value
  DISP1 Program display 1 value
DSP1 Enter the display 1 value
INPUT2 Program input 2 value (up to 32
points)
INP2 Enter the input 2 value
  DISP2 Program display 2 value (up to 32
points)
DSP2 Enter the display 2 value
SAVE? Save programmed units, input,
and display values
OUTPUT Program the meter’s available
outputs
 OPENCOLLECTR Program the meter’s open collec-
tor outputs
OUTPUT1 Open collector 1 setup
OUTPUT2 Open collector 2 setup
DISABLE Disable the open collector
PULSE Program the open collector for
pulse output

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
16 MN302100 Rev 3
Parameter Action/Setting Description
ALARM Program the open collector for
alarm output
TIMER Program the open collector as a
timer
   STPWATCH Program the open collector to turn
on while the stopwatch is running
RELAY Program the meter’s relay outputs
OUTPUT1 Relay 1 setup
OUTPUT2 Relay 2 setup
DISABLE Disable the relay
ALARM Program relay for alarm functional-
ity
   PUMPCTRL Program relay for pump control
application
TIMER Program relay as a timer
   STPWATCH Program relay to turn on while the
stopwatch is running
RELAYINFO View relay run time and cycle
count
4‐20Ma Program the meter’s 4-20 mA
output
PV Program a range to transmit based
on the display value
RETRANS Retransmit the mA input signal
DISABLE Disable the 4-20 mA output
 CONTROL Program manual or automatic
operation for the outputs
OC1 Open collector 1
OC2 Open collector 2
RELAY1 Relay 1
RELAY2 Relay 2
4‐20mA 4-20 mA output
AUTO Set selected output to automatic
operation
MANUAL Manually control selected output
operation
ADVANCED Program the meter’s advanced
features
PVSETUP
(PV1 & PV2)
Advanced input programming (two
menus, PV1 and PV2, are availa-
ble if in dual scale mode; see PV2
under advanced features menu)
SOURCE Select PV 2 source (dual-scale
only; see PV2 under advanced
features menu)
4‐20ma Source PV 2 from the mA input
PV1 Source PV 2 from PV 1
FUNCTION Select linear, square root, or pro-
grammable exponent function
LINEAR Set meter for linear function and
select number of linearization
points
   SQROOT Set meter for square root extrac-
tion
EXPONENT Set meter for programmable expo-
nent and enter exponent value
RHTANK Round horizontal tank (dual-scale
only; see PV2 under advanced
features menu)
Parameter Action/Setting Description
SCALE.CAL Scale or calibrate the mA input
   SCALEPV Scale the input
CALPV Calibrate the input
CUTOFF Set low-flow cutoff
DISABLE Disable low-flow cutoff
ENABLE Enable low-flow cutoff
FILTER Set noise filter value
  1.0SEC 1 second
  2.0SEC 2 seconds
  4.0SEC 4 seconds
  8.0SEC 8 seconds
  16.0SEC 16 seconds
OFF Turn filter off
BYPASS Set filter bypass (0.0 to 99.9% FS)
 PASSWRD Set a password for the meter
  PASSMAIN Program the main meter password
USER Assign function keys / digital input
F1 Assign F1 function key
F2 Assign F2 function key
F3 Assign F3 function key
DI Assign digital input
DISPFN Set the function key or digital input
to display a value
DISPLAY Cycle max, min, and PV(s)
DISPPV Display the PV
    PCTPV Display the PV’s percentage of
max (20 mA)
DUNITS Display the PV’s units
DTAG Display the PV’s tag
    DISPMIN Display the PV’s minimum value
    DISPMAX Display the PV’s maximum value
    MINMAX Display the PV’s minimum and
maximum value
DmAIN Display the current mA input value
DmAOUT Display the current mA output
value
MENUFN Set the function key or digital input
to access a menu
RLYINFO Go to relay information menu (IN‐
FO)
MANCTRL Go to output control menu
(CONTROL)
    TIMROC1 Open collector 1 timer
    TIMROC2 Open collector 2 timer
    TIMERR1 Relay 1 timer
    TIMERR2 Relay 2 timer
TIMER.FN Set the function key or digital input
to start or stop a timer
STRT.ALL Start all timers
    STOP.ALL Stop all timers
    S.STP.ALL Start or stop all timers
OC1 Start/stop open collector 1 timer
OC2 Start/stop open collector 2 timer
RLY1 Start/stop relay 1 timer

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 17
Parameter Action/Setting Description
RLY2 Start/stop relay 2 timer
 START Start the selected timer output
 STOP Stop the selected timer output
     STR‐STP Start or stop the selected timer
output
ALARM.FN Set the function key or digital input
to acknowledge an alarm or ac-
cess set points
ACK Acknowledge all active alarms
SETPOINT Access all output set points
    SETPT.OC1 Access open collector 1 set point
    SETPT.OC2 Access open collector 2 set point
    SETPT.R1 Access relay 1 set point
    SETPT.R2 Access relay 2 set point
SWATCH.FN Set the function key or digital input
to activate stopwatch
START Start the stopwatch
STOP Pause/Stop the stopwatch
    STR‐STP Start or stop the stopwatch
TARE.FN Set the function key or digital input
to tare the display
TARE Tare the display value
    RSTTARE Reset the display value
HOLDFN Set the function key or digital input
to hold an output
HOLD.OUT Hold all outputs
    HLD.UNHLD Hold or un-hold all outputs
OC1+2 Hold/un-hold open collector out-
puts
RLY1+2 Hold/un-hold relay outputs
mAOUT Hold/un-hold 4-20 mA output
 HOLD Hold selected output
     HLD.UNHLD Hold or un-hold selected output
DISABLE Disable function key or digital input
RSTFN Set the function key or digital input
to reset a value
RESET Reset min, max, or max/min PV
    RMIN.MAX Reset max and min PV value
HINT Display hint text on key press and
execute action on next key press
OFF Turn the hint function off
ON Turn the hint function on
 SYSTEM Program system settings
AOUTCAL Calibrate the analog output
DEFAULT Reset meter to factory defaults
PV2 Enable the meter to scale a se-
cond PV based on the mA input
DISABLE Disable dual-scale feature (default)
ENABLE Enable dual-scale feature
  BACKLITE Enable/disable display backlight
ENABLE Enable the backlight (default)
DISABLE Disable the backlight
INFO View meter software, version, and
model; change the identifier tag
   SFT The software ID number
Parameter Action/Setting Description
VER The software version
MODEL The meter model number
ID.TAG The meter identifier tag
Press Enter to edit tag
ICAL Internal calibration used for scaling
DISPLAY Program the meter’s display
UNITS Change the display units within the
selected unit class
DEC.PT Change the decimal point location
 COMMA Enable or disable the use of a
comma on the bottom display
ENABLE Enable comma (default)
DISABLE Disable comma
 BARGRAPH Enable or change the bargraph
PV (1 or 2)Set the bargraph to display the PV
percentage of full scale
OFF Turn the bargraph feature off
TOP Set what to display on the top line
PV (1 or 2)Display the process variable
PV+UNIT (1 or 2)Display the process variable and
units alternating
PV+TAG (1 or 2)Display the process variable and
tag alternating
TAG+UNIT Display tag and units alternating
  PV+U+TAG (1 or 2)Display the process variable, unit,
and tag alternating
  PV1+PV2 Display both process variables
(dual-scale only; see PV2 under
advanced features menu)
TAG Display the tag
STPWATCH Display the stopwatch
  TIMROC1 Display open collector 1 timer
  TIMROC2 Display open collector 2 timer
  TIMERR1 Display relay 1 timer
  TIMERR2 Display relay 2 timer
MIN Display minimum value
MAX Display maximum value
  MINMAX Display alternating min and max
OFF Turn top line off
UNITS Display the units
 BOTTOM Set what to display on the bottom
line
UNITS Display the units
PV (1 or 2)Display the process variable
PV+UNIT (1 or 2)Display the process variable and
unit alternating
PV+TAG (1 or 2)Display the process variable and
tag alternating
TAG+UNIT Display the tag and unit alternating
  PV+U+TAG (1 or 2)Display the process variable, unit,
and tag alternating
  PV1+PV2 Display both process variables
(dual-scale only; see PV2 under
advanced features menu)
TAG Display the tag
STPWATCH Display the stopwatch

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
18 MN302100 Rev 3
Parameter Action/Setting Description
  TIMROC1 Display open collector 1 timer
  TIMROC2 Display open collector 2 timer
  TIMERR1 Display relay 1 timer
  TIMERR2 Display relay 2 timer
OFF Turn bottom line off
Parameter Action/Setting Description
PVPCT (1 or 2)Display the process variable per-
centage of full scale
mAIN Display the current mA input value
mAOUT Display the current mA output
value
Main Menu
The main menu consists of all the meter’s programmable functions: Input, Output, Advanced, and Dis-
play.
 Press Menu button to enter Pro-
gramming Mode then press the
Right-Arrow button to move forward
through the menu and the Up-Arrow
button to move back.
 Press Menu at any time to go back
one level or press & hold to exit and
return to Run Mode. Changes made
to settings prior to pressing Enter are
not saved.
 Changes to the settings are saved to
memory only after pressing Enter/F3
to confirm the setting or pressing En-
ter/F3 at the SAVE? screen when
available.
Setting Numeric Values
The numeric values are set using the Right and Up-Arrow buttons. Press Right-Arrow to select next
digit and Up-Arrow to increment digit value. The selected digit will flash.
Press and hold Up-Arrow to auto-increment the display value. If you have made a mistake or would like
to enter a new value, select the left-most digit and press and hold the Right-Arrow button until all digits
reset to zero.
Press the Enter button at any time to accept a setting or Menu button to exit without saving changes.
Note: the underscore in the graphic below is provided to show which digit would be flashing.
DSP 1
+00,000.00
DSP 1
00,000.00
Select
Digit to
Change
DSP 1
00,050.00
Increment
Selected
Digit
SCAL
E
INPUT 2
Accept
Setting
52.86
GAL
SETUP
INPUT
SETUP
OUTPUT
SETUP
ADVANCED
SETU
P
DISPLAY
OPEN
COLLECTR
ADV
PV SETUP DSPL
Y
UNITS
OUT
RELAY
OUT
4-20 mA
OUT
CONTROL
CUTOFF
FILTER
PASSWRD
USER
SYSTEM
DSPL
Y
DEC.PT
DSPL
Y
COMMA
DSPL
Y
TOP
DSPL
Y
BOTTOM
SCALE
UNITS
SCALE
INPUT 1
SCALE
DISP 1
SCALE
INPUT 2
SCALE
DISP 2
SAVE?
DSPL
Y
BARGRAP
H
Run Mode

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
MN302100 Rev 3 19
Setting Up the Input Signal (INPUT)
It is very important to read the following information, before proceeding to program the meter:
 The meter is factory calibrated prior to shipment to display 0-100 gallons, which corresponds to the 4-
20 mA input. The calibration equipment is traceable to NIST standards.
 A calibrated signal source is not needed to scale the meter.
 The LI23 is a single input meter with dual-scale capability.
Enter the Input menu to scale the meter to display the 4-20 mA input. The input is capable of accepting
any signal from 4 to 20 mA.
SETUP
INPUT
SCALE
UNITS
SCALE
INPUT 1
SCALE
DISP 1
UNITS
VOLUME
HEIGHT
TEMP
PRESSURE
WEIGHT
RATE
CUSTOM
UNIT
GAL
GAL
L
IGAL
M3
BBL
BUSH
cuYD
cuFt
cuIn
LiBBL
BBBL
HECtL
AF
CUSTOM
INCH
FEET
FT-IN
YARD
CM
M
CUSTOM
~F
~C
K
~RA
PSI
InHg
InH2O
mmHg
kg/CM2
kg/M2
mBAr
Bar
PA
hPA
kPA
MPA
CUSTOM
gm
kg
tonne
oz
1b
ton
CUSTOM
/SECOND
/MINUTE
/HOUR
/DAY
GAL/ (T)
L/ (T)
IGAL/ (T)
M3/ (T)
BBL/ (T)
BUSH/(T)
cuYD/ (T)
cuFt/ (T)
cuIn/ (T)
LiBBL/ (T)
BBBL/ (T)
HECtL/ (T)
AF/ (T)
CUSTOM/
Volume Units Height Units Pressure Units Weight Units
Rate Time
Bases
Rate Units
Temperature
Units
INP 1
04.000
INP 1
mA
Flashes Units
Momentarily
DSP 1
+00,000.00
SCALE
INPUT 2
INP 2
20.000
SCALE
DISP 2
DSP 2
+00,100.00
SAVE? SETUP
INPUT

DataLoop™ LI23 Loop-Powered Process Meter Instruction Manual
20 MN302100 Rev 3
Available Unit Classes and Units
The meter has six available preprogrammed unit classes, volume, height, temperature, pressure, weight,
and rate. Each unit class has the following available units to choose from:
Volume Units (VOLUME)
GAL Gallons
L Liters
IGAL Imperial Gallons
M3 Cubic Meters
BBL Barrels
BUSH Bushels
cuYD Cubic Yards
cuFt Cubic Feet
cuIn Cubic Inches
LiBBL Liquid barrels
BBBL Beer barrels
HECtL Hectoliter
AF Acre-Foot
CUSTOM Custom Unit
Height Units (HEIGHT)
INCH Inches
FEET Feet
FT‐IN Feet & Inches
YARD Yards
CM Centimeters
M Meters
CUSTOM Custom unit
Temperature Units (TEMP)
~F Degrees Fahrenheit
~C Degrees Celsius
K Kelvin
~RA Degrees Rankine
Pressure Units (PRESSURE)
PSI Pounds per square
inch
InHg Inches of mercury
InH2O Inches of water
mmHg Millimeters of
mercury
Kg/CM2 Kilograms per
square centimeter
Kg/M2 Kilograms per
square meter
mBAr Millibar
Bar Bar
PA Pascal
hPA Hectopascal
KPA Kilopascal
MPA Megapascal
CUSTOM Custom unit
Weight Units (WEIGHT)
gm Grams
Kg Kilograms
tonnE Tonnes (metric)
oz Ounces
1b Pounds
ton Tons
CUSTOM Custom unit
Rate Time Bases (TIME)
/SECOND Units per second
/MINUTE Units per minute
/HOUR Units per hour
/DAY Units per day
Rate Units (RATE)
GAL/(T)Gallons per time
unit (T)
L/(T)Liters per time
unit (T)
IGAL/(T)Imperial gallons
per time unit (T)
M3/(T)Cubic meters per
time unit (T)
BBL/(T)Barrels per time
unit (T)
BUSH/(T)Bushels per time
unit (T)
cuYD/(T)Cubic Yards per
time unit (T)
cuFt/(T)Cubic Feet per
time unit (T)
cuIn/(T)Cubic Inches per
time unit (T)
LiBBL/(T)Liquid barrels per
time unit (T)
BBBL/(T)Beer barrels per
time unit (T)
HECtL/(T)Hectoliter per time
unit (T)
AF/(T)Acre-Foot per
time unit (T)
CUSTOM/ Custom unit per
time unit (T)
Setting Custom Units (CUSTOM)
When the desired unit class or unit of measure within a class is not available, a custom unit may be pro-
grammed. Select the CUSTOM menu (or CUSTOM unit within a unit class) in order to enter a custom unit
name.
Text values are set using the Right and Up arrow buttons. Press Right arrow to select next character and
Up arrow to increment character value. The selected character will flash. Press and hold the Up or Right
arrow buttons to auto-increment or decrement the character. Press Enter to accept the character.
Notes:
 Press and hold the Right arrow while no character is being edited to erase all characters to the right
of the flashing character
 Press and hold Up or Right arrow to auto-increment or decrement a selected character.
C.UNIT
ABC
C.UNIT
ABC
Select
Character
to Change
C.UNIT
ACC
Increment
Selected
Character
C.UNIT
ABC
Decrement
Selected
Character
C.UNIT
ABC
Accept
Character
Change
Accept
Custom Unit
Name