EchoSonic®
Ultrasonic Liquid Level Transmitter
LU23, LU27, LU28 & LU29 Series Manual
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Introduction / Table of Contents Step One
The EchoSonic® is a general-purpose ultrasonic level transmitter that provides a loop powered 4-20 mA output.
The 4-20 mA output can be used to provide the proportional level of liquid in any tank or vessel. The signal can
be connected to any device that accepts loop powered 4-20 mA signals, such as a PLC, SCADA, DCS,
display, controller, etc.
NEW FEATURES
Simple configuration with WebCal® software.
Adjustable Loop Fail-Safe, Hold Last, Empty, Full, 21 mA, 22 mA
Easy to reverse mA output, 4-20 mA to 20-4 mA
Adjustable start-up condition, Empty, Mid (12 mA), Full, Over range (22 mA)
TABLE OF CONTENTS
Specifications: ................................................................................................................. 3
Dimensions: ................................................................................................................. 3
About this Manual: .......................................................................................................... 4
Components: ................................................................................................................. 5
Getting Started: .............................................................................................................. 6
USB® Fob Interface: ............................................................................................ 7
Four Steps for Using WebCal®: .......................................................................... 8
Step 1: Sensor Configuration: .................................................................. 8
Step 2: Tank Shape Selection: ................................................................ 9
Step 3: Tank Levels Configuration: .......................................................... 9
Step 4: Write to Unit: ............................................................................. 10
Wiring: ................................................................ .......................................................... 11
Wiring Diagram: ................................................................................................ 11
Wiring Connections: .......................................................................................... 11
Voltage Output: .................................................................................................. 12
Wiring to Displays, Controller’s & PLC’s: ........................................................... 13
Installation: ............................................................................................................... 15
Mounting Guide: ................................................................................................ 15
Installation in Existing Fittings: ........................................................................... 15
Metal Tanks: ...................................................................................................... 15
Fitting Selection: ............................................................................................... 16
Tank Adapter: ......................................................................................... 16
Riser: ..................................................................................................... 16
Flange: .................................................................................................. 17
Side Mount Fitting: ................................................................................. 17
Stand Pipe: ............................................................................................ 18
Advanced Features: ..................................................................................................... 19
Appendix: ...................................................................................................................... 20
Updating WebCal® Software: ........................................................................... 20
Demo Tab: ........................................................................................................ 20
Factory Defaults: ............................................................................................... 21
User Settings: ................................................................................................... 22
Troubleshooting: ............................................................................................... 23
Warranty: ....................................................................................................................... 24
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Specifications / Dimensions Step Two
Accuracy: ± 0.2% of range
Resolution: LU27: 0.019” (0.5mm)
LU23: 0.039” (1mm)
LU28: 0.079” (2 mm)
LU29: 0.079” (2 mm)
Dead band: LU27: 4” (10cm)
LU23/28/29: 8” (20cm)
Beam width: LU27: 2” (5cm)
LU23/28/29: 3” (7.6cm)
Configuration: WebCal® PC
Windows® USB® 2.0
Memory: Non-volatile
Supply voltage: 24 VDC (loop)
Consumption: 0.5 W
Loop resistance: 500 Ohms @ 24 VDC
Signal output: 4-20 mA, two-wire
Signal invert: 4-20 mA or 20-4 mA
Signal fail-safe: 4 mA, 20 mA, 21 mA,
22 mA or hold last
Process temp.: F: -4° to 140°
C: -20° to 60°
Temp. comp.: Automatic
Ambient temp.: F: -31° to 140°
C: -35° to 60°
Pressure: MWP = 30 PSI
Enclosure type: Type 6P encapsulated, corrosion
resistance & submersible
Encl. material: Polycarbonate
Trans. material: Polyvinylidene Fluoride (PVDF)
Cable jacket mat.: Polyurethane
Cable type: 4-conductor shielded
Cable length: 10’ (3 m)
Process mount: LU27: 1” NPT (1” G)
LU23/28/29: 2” NPT (2” G)
Mount. gasket: Viton®
Classification: General purpose
Compliance: CE, RoHS
Approvals: cFMus
LU27: 4" to 9.8'
(10 cm to 3 m)
LU23: 8" to 18.0'
(20 cm to 5.5 m)
LU28: 8" to 26.2'
(20 cm to 8 m)
LU29: 8" to 32.8'
(20 cm to 10 m)
Side View / LU27 Series
Side View / LU23, LU28 and LU29 Series
Range:
DIMENSIONS
MN300610 Rev C1 3 |
Safety Precautions Step Three
Flammable, Explosive or Hazardous Applications
EchoSonic® should not be used within classified hazardous environments.
About this Manual: PLEASE READ THE ENTIRE MANUAL PRIOR TO INSTALLING OR USING THIS
PRODUCT. This manual includes information on the EchoSonic® series Ultrasonic Level transmitter from
FLOWLINE. Please refer to the part number located on the sensor 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 professional staff should install and/or repair this product. Install
the transmitter with the included Viton gasket and never over tighten the transmitter within the fitting.
Always check for leaks prior to system start-up.
Wiring and Electrical: A supply voltage of 12 to 28 VDC is used to power the EchoSonic®. Electrical
wiring of the transmitter should be performed in accordance with all applicable national, state, and local
codes.
Material Compatibility: The enclosure is made of Polycarbonate (PC). The transducer is made of
Polyvinylidene Fluoride (PVDF). Make sure that the model, which you have selected, is chemically
compatible with the application media.
Enclosure: While the transmitter housing is liquid-resistant the EchoSonic® is 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.
Safety
Installation should be done by properly trained staff
Supply voltage should never exceed a maximum of 28 VDC
Make sure the sensor is chemically compatible with your application
Design a fail-safe system that accommodates the possibility of sensor and/or power failure.
This sensor should not be used in classified hazardous environments
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 EchoSonic®, and make sure that all electrical
wiring of the switch is in accordance with applicable codes.
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Components Step Four
P/N
Max. Range
Dead Band
Thread
Fob
LU23-00
18.0’ (5.5m)
8” (20cm)
2” NPT
No Fob
LU23-01
18.0’ (5.5m)
8” (20cm)
2” NPT
Fob Included
LU23-10
18.0’ (5.5m)
8” (20cm)
2” G
No Fob
LU23-11
18.0’ (5.5m)
8” (20cm)
2” G
Fob Included
LU27-00
9.8’ (3m)
4” (10cm)
1” NPT
No Fob
LU27-01
9.8’ (3m)
4” (10cm)
1” NPT
Fob Included
LU27-10
9.8’ (3m)
4” (10cm)
1” G
No Fob
LU27-11
9.8’ (3m)
4” (10cm)
1” G
Fob Included
LU28-00
26.2’ (8m)
8” (20cm)
2” NPT
No Fob
LU28-01
26.2’ (8m)
8” (20cm)
2” NPT
Fob Included
LU28-10
26.2’ (8m)
8” (20cm)
2” G
No Fob
LU28-11
26.2’ (8m)
8” (20cm)
2” G
Fob Included
LU29-00
32.8’ (10m)
8” (20cm)
2” NPT
No Fob
LU29-01
32.8’ (10m)
8” (20cm)
2” NPT
Fob Included
LU29-10
32.8’ (10m)
8” (20cm)
2” G
No Fob
LU29-11
32.8’ (10m)
8” (20cm)
2” G
Fob Included
COMPONENTS
EchoSonic® is offered in four 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 EchoSonic®, USB® Fob and Viton®
gasket to configure, install and operate EchoSonic®.
Viton® Gasket
o Part #200128 for LU27 series
o Part #200129 for LU23, LU28 or LU29 series
USB® Fob
o Part #LI99-1001
Quick Start Guide
MN300610 Rev C1 5 |
Getting Started Step Five
EchoSonic® is configured through WebCal®*, a PC software program. WebCal® is a free download from
Flowline’s website. You must download and install WebCal® prior to plugging in the USB® Fob. Please
go to flowline.com/webcal-software, and select your language version.
WEBCAL® SYSTEM REQUIREMENTS
Windows® 2000, XP, Vista, 7, 8, 10
32 or 64-bit system
1 USB® 2.0 port
10 mB hard drive space
256 mB RAM
Internet connection
*For complete information on the WebCal® software, please refer to the WebCal® manual located at
flowline.com/webcal-software.
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Getting Started Step Five
USB® FOB INTERFACE
EchoSonic® communicates with WebCal® through a USB® interface called a Fob. Before plugging your Fob
into your computer’s USB
®
port, be sure that you have installed WebCal® on your computer.
Connect the red, green, white and black wires from EchoSonic® into the correct terminals on the Fob. Tighten
the screws on the terminals and plug your Fob into the USB® port of your computer.
Wiring identical for all series - Use only the Red, Black, Green and White wires.
The maximum cable distance between the computer and EchoSonic® is 15’. This only applies when
configuring the EchoSonic®. Otherwise, upon installing the sensor, the maximum cable length is 1,000 feet
(Red and Black wires only, minimum 22-gauge).
Once EchoSonic® is configured and prior to installation, isolate the white and green wires from active
power to prevent a short of the configuration circuit
Note: When using the Fob, do not add VDC power. The Fob, when connected to the computer, will provide
the required power to the EchoSonic®.
*For complete information on the WebCal® software, please refer to the WebCal® manual located at
www.flowline.com/webcal-software.
MN300610 Rev C1 7 |
Getting Started Step Five
With EchoSonic® connected to your computer, open the WebCal® software by clicking on the WebCal® icon.
Follow steps 1-4 to configure the transmitter. Click “Help” in the lower right hand corner and open the help
menu of WebCal® for additional instructions on WebCal®. If you need additional assistance using WebCal®,
please contact a Flowline applications engineer at (562) 598-3015.
*For complete information on the WebCal® software, please refer to the WebCal® manual located at
www.flowline.com/webcal-software.
CONFIGURING ECHOSONIC® WITH WEBCAL
1. Sensor Configuration
a. Configures the Loop Fail-Safe, Output at Empty and Startup condition for the sensor.
2. Tank Shape Selection
a. Defines the shape of the tank as well as the dimensional information for the tank with respect to
the sensor’s location on the tank.
3. Tank Level Configuration
a. Enter the settings for the relay activation points as well as confirm the operational range.
4. Write to Unit
a. Uploads configuration into the sensor.
b. Access to a customer wiring diagram specific to the relay configuration.
®
SENSOR CONFIGURATION
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