Flowline XP88-89 Operating Manual
Ultrasonic Liquid Level Transmitter
XP88 & XP89 Series Manual
Flowline, Inc. | 10500 Humbolt Street, Los Alamitos, CA 90720 p 562.598.3015 f 562.431.8507 w flowline.com MN300600 Rev D1 1 of 25
Introduction / Table of Contents Step One
FM approved for classified (hazardous) environments, the explosion proof ultrasonic level transmitter provides
continuous level measurement up to 32.8’ (10m) with a 4-20 mA signal output, and is configured via integral
push button display module. This non-contact liquid level sensor is ideally suited for corrosive, ultrapure, sticky
or dirty liquids, and is widely selected for bulk storage, day tank, lift station or process tank level application
located in a classified area.
TABLE OF CONTENTS
Specifications: ................................................................................................................. 3
Dimensions: ..................................................................................................................... 3
Safety Precautions: ......................................................................................................... 4
Components: ....................................................................................................... 5
Features Guide: ................................................................................................... 5
Getting Started: ............................................................................................................... 6
Getting Around the TOP-LEVEL MENU: .............................................................. 6
TOP-LEVEL MENU Descriptions: .................................................................... 7-8
Configuration: ................................................................................................................. 9
Hot to Enter the TOP-LEVEL MENU: ................................................................... 9
How to Configure UNITS: ..................................................................................... 9
How to Configure the Operational Range Using Height & Fill-H: ........................ 10
How to Select Fail-Safe (SAFE) Current Output/ LOST: ..................................... 11
Wiring: ................................................................ .......................................................... 12
Analog Output: ................................................................................................... 12
Common Wiring to Displays, Controllers & PLCs: .........................................13-14
Installation: ................................................................................................................... 15
Mounting Guide: ................................................................................................. 15
Installation in Existing Fitting: ............................................................................. 15
Metal Tanks: ...................................................................................................... 15
Fitting Selection: ................................................................................................ 16
Tank Adapter: ......................................................................................... 16
Riser: ...................................................................................................... 16
Flange: ................................................................................................... 17
Side Mount Bracket: ............................................................................... 17
Stand Pipe: ............................................................................................. 18
Appendix: ..................................................................................................................... 19
Air Gap vs.Lliquid Level (Display Setting): .......................................................... 19
How to Reverse the Current Output (Rev mA): .................................................. 19
SETUP: .............................................................................................................. 20
Diagnostic (DIAG) Parameters: .......................................................................... 20
Reset: ............................................................................................................... 21
Factory Settings: ................................................................................................ 22
Troubleshooting: ................................................................................................ 23
Warranty: ....................................................................................................................... 24
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Range: XP88: 8" to 26.2' (20 cm to 8 m)
XP89: 8" to 32.8' (20 cm to 10 m)
Accuracy: ± 0.2% of max. range
Resolution: 0.079” (2 mm)
Beam width: 3" (7.6 cm) dia.
Dead band: 8” (20 cm)
Display type: LCD, 6-digit
Display units: Inches, feet, cm, meters or
percent
Memory: Non-volatile
Supply voltage: 18-28 VDC (loop)
Loop resistance: 250 Ohms max. @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Configuration: Push button (3-button)
Fail-safe: 4mA, 20 mA, 21 mA, 22 mA or
hold last
Process temp.: F: -4° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Electronics temp.: F: -40° to 160°
C: -40° to 71°
Pressure: MWP = 30 PSI
Enclosure rating: NEMA 4
Encl. material: Aluminum
Window material: Glass
Trans. material: PVDF
Process mount: 2” NPT
Conduit entrance: Dual, 1/2” NPT
Compliance: CE, RoHS
Classification: Explosion proof
Approvals: FM: Class I, Div 1,
Groups A, B, C,D
Class II / III, Div 1
Groups E, F, G
Side View
Front View
Top View
Specifications / Dimensions Step Two
MN300600 Rev D1 3 |
Handling Static-Sensitive Circuits/Devices: When handling the transmitter, the technician
should follow these guidelines to reduce any possible electrostatic charge build-up on the
technician’s body and the electronic part.
1. Always touch a known good ground source before handling the part. This should be repeated while
handling the part and more frequently after sitting down from a standing position, sliding across the
seat or walking a distance.
2. Avoid touching electrical terminals of the part unless making connections.
3. DO NOT open the unit cover until it is time to configure
Safety Precautions Step Three
About this Manual: PLEASE READ THE ENTIRE MANUAL PRIOR TO INSTALLING OR USING THIS
PRODUCT. This manual includes information on the EchoSafe® Ultrasonic Level Transmitter from
FLOWLINE, XP88-0 and XP98-0 series. Please refer to the part number located on the transmitter label to
verify the exact model configuration which you have purchased.
User’s Responsibility for Safety: Flowline manufactures a broad range of level sensing technologies.
While each of these sensors is designed to operate in a wide variety of applications, it is the user’s
responsibility to select a sensor model that is appropriate for the application, install it properly, perform
tests of the installed system, and maintain all components. The failure to do so could result in property
damage or serious injury.
Proper Installation and Handling: Only properly trained staff should install and/or repair this product.
Install the transmitter within the fitting. Always check for leaks prior to system start-up.
Opening the Enclosure: EchoSafe® is designed to be installed in a hazardous area and when
installed, do not open the unit while power is applied. Always disconnect the power source from
EchoSafe® prior to opening, programming, installing or removing it. Additionally, ensure that
electrical wiring, fittings and mechanical connections conform to all applicable electrical codes.
Material Compatibility: The enclosure is made of Aluminum. The transducer is made of Polyvinylidene
Fluoride (PVDF). Make sure that the model, which you have selected, is chemically compatible with the
application media and it’s environment.
Enclosure: While the transmitter housing is liquid-resistant the EchoSafe® XP88 and XP89 series are not
designed to be operational when immersed. It should be mounted in such a way that the enclosure and
transducer do not come into contact with the application media under normal operational conditions.
Make a Fail-Safe System: Design a fail-safe system that accommodates the possibility of transmitter
and/or power failure. Flowline recommends the use of redundant backup systems and alarms in addition to
the primary system.
Warning: Always use the Viton gasket when installing the EchoSafe®, and make sure that all electrical
wiring of the switch is in accordance with applicable codes.
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P/N
Max. Range
Dead Band
Supply
Thread
Enclosure
XP88-0
26.2’ (8m)
8” (20cm)
18-28 VDC
2” NPT
Type 4
XP89-0
32.8’ (10m)
FEATURE
ACCESS BY
Easy to use MENU
Press and hold SELECT key (approximately 5 seconds) until MENU is
displayed. The item in the TOP-LEVEL MENU items will rotate through
display, press SELECT to change an item.
Many UNITS of
measurement.
In the TOP-LEVEL MENU, press SELECT when UNITS is displayed,
then select INCHES, CM (centimeter), FEET, METERS or PERCNT.
No cumbersome measure
required. Set point
distances are relative to
the tank bottom.
In TOP-LEVEL MENU, select TANK and set the HEIGHT of the tank
from the transducer face to the bottom of the tank. Set the Fill Height
(FILL-H) to the maximum fill height of the liquid from the bottom of the
tank. All of the set points are from the bottom of the tank up.
Fail-Safety
Use the SAFE function to preset the output to either Empty (4 mA), Full
(20 mA, 21 mA or 22 mA) or Hold Last Value in case the transmitter
loses its signal (LOST).
Safety Precautions Step Three
COMPONENTS
Components: EchoSafe® is offered in two different models. Depending on the model purchased, you may or
may not have been shipped all the components shown below. You do however, need an EchoSafe® and Viton®
gasket to configure, install and operate EchoSafe®.
Viton Gasket
o Part #220129
Quick Start Guide
FEATURE GUIDE
MN300600 Rev D1 5 |
Basic Tank Information
o HEIGHT – Distance from the transducer
face to the bottom of the tank.
o FILL-H – Maximum fill height of the liquid
from the bottom of the tank.
Set Points (optional):
o If the sensor is to be used to provide
feedback to the control of pumps, valves
or alarms, you will need the measured
distance from the bottom of the tank to
each of the device’s set point(s).
Power:
o Provide input power to the EchoSafe®
GETTING AROUND THE TOP-LEVEL MENU
EchoSafe® is configured by the use of three push buttons (UP,
DOWN and SELECT) and a LCD display.
As a lockout feature, the buttons are inactive until the SELECT
button is held down for 5 seconds, and then the display will
begin to scroll through the top level of the configuration menu.
TOP-LEVEL MENU
The TOP-LEVEL MENU will continue to scroll
through the items listed to the right until the
SELECT button is pressed.
To return to the Normal / Operational mode of
EchoSafe®, press SELECT while RUN appears in
the display.
Getting Started Step Four
EchoSafe® can be configured before installation. The transmitter features non-volatile memory, so the set
points configured before installation will not be lost when the sensor is powered down. To start, all you need is
the following information:
Note: The Height and Fill-Height settings also determine the 4 to 20 mA current span. The Height setting
determines the 4mA position and the Fill-H setting determines the 20 mA position.
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o Select between Inches, Centimeters, Feet, Meters
or Percent.
o Select between Air or Liquid for the display.
Air configures display to show the air gap
in the tank.
Liquid (factory default) configures display
to show the level of liquid in the tank.
This function does not influence the
current output, just the display on the
sensor.
o Press EXIT to return to the TOP-LEVEL MENU.
Air Mode
Liquid Mode
o HEIGHT – Distance from the transducer face to the
bottom of the tank.
o FILL-H – Maximum fill height of the liquid from the
bottom of the tank.
o Note: The 4 and 20 mA points are set by setting these
two points.
Fill-H sets the 20 mA set point and Height sets
the 4 mA set point. This is the factory default.
Use the REV MA setting to reverse the 4 and
20 mA set points.
o REV MA – Allows the current output to be reversed.
In NORM mode (factory default), 4mA is at
bottom and 20mA is at top of the tank.
Getting Started Step Four
TOP-LEVEL MENU DESCRIPTIONS
UNITS – Allows end user to select the units for configuration and operation. Additional function allows the
display to show liquid level or air gap.
Note: Flowline recommends that when selecting PERCNT, configure the HEIGHT and FILL-H settings before
selecting PERCNT in order to span the EchoSafe® for your application requirements.
Note: if UNITS is set to Percent, then TANK will not appear. To view TANK, set UNITS to any of the following:
Inches, Centimeters, Feet or Meters
TANK – Allows the end user to configure the operational range for the switch as well as the 4-20 mA
output signal. Additional function allows the output current to be reversed.
o Press Exit to return to the TOP-LEVEL MENU
In REV mode, 4mA is at top and 20mA is at bottom of the tank.
MN300600 Rev D1 7 |
o 22mA – Overfill fail-safe setting
o 21mA – Overfill fail-safe setting
o 20mA – Full fail-safe setting
o 4mA – Empty fail-safe setting
o HOLD – Keeps the current output at the last reading
when fail-safe condition occurs
Note: During fail-safe, the display will read LOST.
EchoSafe® is designed to be installed in a hazardous areas, and when installed, do not open the
unit while power is applied. Always disconnect the power source from EchoSafe® prior to opening,
programming, installing or removing it.
Getting Started Step Four
SAFE – In the event the sensor does not receive an echo, the Fail-Safe Current Output or LOST setting
can be set to output a current of 4mA, 21mA or Hold (last known value).
VALUES – Provides setup information, a diagnostic to be used in conjunction with a Flowline
Representative and the ability to reset the EchoSafe®.
o SETUP – Will display the setting for all functions of EchoSafe®.
o DIAG – This is a production test feature used by the factory to confirm operation. This mode
should only be used when supervised by a Flowline representative.
o RESET – Will reset the EchoSafe® back to its original factory setting
RUN – Returns the unit to normal measurement and control mode
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