FlowLine EchoBeam LR85 Series Manuale utente

Flowline, Inc. | 10500 Humbolt Street, Los Alamitos, CA 90720 p 562.598.3015 f562.431.8507 wflowline.comQS310350 Rev A

LR85 Series Quick Start Guide

EchoBeam

80 GHz Radar Liquid & Solid Level Transmitter

|2 QS310350 Rev A

WELCOME TO THE ECHOBEAM®QUICK START GUIDE

The EchoBeam®Quick Start Guide provides the basic configuration, installation and wiring instructions to

get EchoBeam®up and running quickly in most level applications. If you have a question or subject that

is not addressed here or wish to set up EchoBeam®with an advanced configuration such as open channel

flow, please refer to the EchoBeam®Manual or visit the Flowline website at www.flowline.com.

WE DO YOUR LEVEL BEST

Thank you for purchasing EchoBeam®. We appreciate your business and look forward to reliably serving your

level requirements, now and in the future.

TRANSMITTER MODELS

Offered in different models, EchoBeam®is a general-purpose 80 GHz FMCW radar level sensor that provides

a continuous signal output that is proportional to the measured liquid or solids media. Before you start,

please refer to the table below and make sure that the model purchased is correct for your intended

application.

SIGNAL OUTPUT CONFIGURATION

EchoBeam®is offered in two signal output versions including 4-20mA with HART or Modbus RS485 serial

interfaces. Each is configured differently. Refer to the below overview for configuring your sensor output:

• 4-20mA with HART Configuration - When configuring EchoBeam®for 4-20mA with HART, first connect

the sensor to LevelTap™.

• Modbus RS485 Configuration- When configuring EchoBeam®for Modbus, first connect the sensor to

LevelTap™.

Once connected, configured, and installed, you can then access the sensor via Bluetooth, view the level and

further adjust your configuration using LevelTap™.

Note: For information on using the display for configuration, see the EchoBeam®display manual at

www.flowline.com.

Series

Max

Range

Liquids

Max

Range

Solids

Beam

Angle

Material

Mounting

Application

LR85

393.7’

(120m)

198.8’

(60m)

4°

PFA

3 NPT

(DN80)

3” (DN80)

Gimbaled

Flange

LIQUID

Terminal bulk storage, extreme

process tank, low dielectric

SOLIDS

Tall silo, stockpile, extreme dust,

low dielectric

QS310350 Rev A3 |

RADIO COMPLIANCE

See the Radio Addendum Supplementary Instructions for radar level measuring instruments with radio

approvals at www.flowline.com regarding the safe and regulatory compliant use of this device.

SAFETY AND USE

The sensor is a general-purpose device and should not be used in classified hazardous environments

with or near flammable or explosive media.

Only properly trained and plant authorized personnel wearing the appropriate personal protective

equipment, following all applicable national, state or local safety regulations, codes and best practices

should work on and with this sensor.

The sensor’s operational reliability can only be ensured when properly used in accordance with its

specifications, instructions and intended applications.

Inappropriate or incorrect use of the sensor can cause vessels to overflow and damage property,

persons, or the environment.

Always install and use an independent high- and low-level safety switch control system, which in the

event of sensor power loss or failure, will prevent the vessel from overflowing or emptying.

The operator is responsible for the safe and trouble-free selection, installation, configuration, use,

removal and disposal of the sensor.

USING THE LEVELTAP™ BLUETOOTH APP

EchoBeam® is configured through the LevelTap™ App, an application-based

software program that uses Bluetooth to communicate with EchoBeam® via your

smartphone or tablet. LevelTap™ is downloaded via the App Store for iOS and

iPadOS operating systems, and Google Play for the Android operating system.

|4 QS310350 Rev A

STARTING THE LEVELTAP™ BLUETOOTH APP

When first starting the LevelTap™ App, you will need to CREATE AN ACCOUNT. Please enter the required

information and press CREATE ACCOUNT. Once you have created an account, thereafter you will access

LevelTap™ by pressing LOG IN from the Home Screen.

CONNECTING ECHOBEAM®TO LEVELTAP™

When accessing LevelTap™, you will initially see a list of sensors that are connected or paired, as well as any

unpaired sensors. Prior to your first sensor configuration, the screen will only show powered sensors that are

unpaired. If there are no sensors powered on, the screen will not show any sensors. After installing

LevelTap™, the next step is to power on the sensor you want to pair with the App. Wait until the sensor

appears under Unpaired Sensors, then tap on the sensor shown. Finally enter the Sensor PIN code located

on the sensor label to pair the sensor with the App. The sensor will then appear under Paired Sensors.

Note: The Sensor PIN Code will be the 6-digit

manufacturer’s date code located in the

upper right corner of the label.

Note: For information on using the

display for configuration, see the

EchoBeam®display manual at

www.flowline.com.

QS310350 Rev A5 |

BASIC CONFIGURATION OVERVIEW

Below are the six basic steps to configure the transmitter for operation. Each step is described in detail on

the following pages.

1) Measure the Tank

Measure the significant tank and fitting dimensions.

2) Install the Transmitter

Review the installation requirements to locate and install the sensor on the tank.

3) Wire the Transmitter

Follow the wiring information based on your sensor model and the signal output type.

4) Adjust the Dimensions

Based on the sensor’s final installed position, adjust the dimensions if necessary.

5) LevelTap™ Step-by-Step Configuration

Screen 1

• Sensor Name - Input a unique name or identifier for each sensor or application.

• Application - Select whether the sensor is measuring liquid or solids media.

• Units of Measurement - Select the units of measurement applied in this configuration.

• Fail-Safe Output - Select the signal output if the sensor cannot measure a valid level.

Screen 2

• Sensor Height (4mA) – Set the bottom of the measurement span or the tank empty setting.

Screen 3

• Fill-Height (20mA) - Set the top of the measurement span or the tank full set setting.

Screen 4

• Display Value – Set the sensor and App to indicate height, distance, current or percent.

If after properly installing, configuring, and testing the sensor, you find that it is not functioning as expected,

use the below diagnostic step.

6) Check the Echo Curve

• This tool allows you to view the echo signal returns and filter any that may be problematic.

Note: For information on using the display for configuration, see the EchoBeam®display manual at

www.flowline.com.

|6 QS310350 Rev A

STEP 1 – MEASURE THE TANK

Properly locating the sensor and correctly measuring the

tank sets the foundation for sensor configuration. In doing

so, consider the sensor’s mounting location with respect

to relevant fittings, risers, dome tops or cone bottoms,

and identify where the measurements are taken from the

sensor. The required measurements for basic sensor

configuration, including Sensor Height and Fill-Height, are

reflected in this diagram.

MEASURING CONE BOTTOM TANKS

When installing EchoBeam® on a tank with a cone shaped bottom, the sensor’s mounting location and tank

geometry may influence the sensor’s configuration setting. If your requirement is to measure into the cone,

location of the sensor is critical. However, if your requirement is only to measure the straight side of the tank,

the location of the sensor is not critical.

Measuring the Straight Side

Measuring into the Cone

Measuring to the Bottom

The sensor location is not critical

because the lowest level reading

is within the straight side wall of

the tank.

The sensor can read into the

cone, but only to where most of

the energy reflects to the sensor

versus away from it.

The sensor location is critical. The

sensor must be installed over the

lowest part of the tank to measure

into the cone and to the bottom.

QS310350 Rev A7 |

TOP OF TANK CONSIDERATIONS

When installing EchoBeam®on an enclosed tank top, the installed position of the sensor’s antenna or

measurement location, above or below the top, must be taken into consideration when determining your

sensor configuration settings.

Tank Top Installation

Short Riser Installation

Tall Riser Installation

SENSOR OUTPUT TO LOCAL DISPLAY/CONTROLLER

The 4-20mA output is the most common signal that can connect to

a local display/controller or to remote devices such as PLCs,

SCADA, DCS. The 4-20 mA signal is set relative to the Sensor

Height and Fill-Height settings. These settings create an

operational range that can be translated into a level reading in

defined units (i.e., inches, feet, gallons, meters, liters, etc.).

In the example to the right, the Sensor Height sets the 4mA to the

bottom of the tank. Fill-Height sets the 20mA to a level close to

the top of the tank. The 4-20mA sensor range correlates to actual

units of level measurement. The operational range now will have

engineering values of 0 to 10 feet, or 0 to 1000 gallons, or 0 to 120

inches.

Note: If your tank has markers or ticks indicating a specific

volume along one side of the tank, set your Fill-Height to one of

these ticks / markers for easy conversion to known volume.

|8 QS310350 Rev A

STEP 2 – INSTALL THE TRANSMITTER

EchoBeam®measures the air gap distance between the bottom edge of the sensor’s antenna and the liquid

or solid media surface. To properly install the sensor, adhere to the following installation best practices:

1) Locate the sensor where there are no obstructions between the bottom edge of the sensor’s installed

antenna and the bottom of the empty tank, including its measurement beam angle. Obstructions such as

ladders, tank walls or seams, liquid or solids inflow streams, piping, mixer blades, other sensors, heating

coils, submersible pumps, struts or apparatus, can disrupt the sensors measurement signal.

Structures or Apparatus

Pipes or Inflow Streams

Mixers, Pumps or Heaters

Note: EchoBeam®transmits a conical shaped RF measurement signal that spreads over a distance based on

its beam angle. The below charts indicate the beam diameter or minimum free space required for each model

at various measurement heights. If the sensor cannot be located away from obstacles that partially intrude

into the beam diameter, perform a False EchoCurve configuration as described in Step 6.

Beam Angle

4°

Height

Dia.

10’

0.70’

20’

1.40’

30’

2.10’

40’

2.79’

50’

3.49’

60’

4.19’

70’

4.89’

80’

5.59’

90’

6.29’

100’

6.98’

Beam Angle

4°

Height

Dia.

0.35m

10m

0.70m

15m

1.05m

20m

1.40m

25m

1.75m

30m

2.10m

2) While adhering to the applicable radio license requirements, in liquid and short-range solids applications,

install the sensor with the antenna perpendicular to the media surface. In longer range solids applications,

point the sensor to the lowest location in the silo, which is generally in the center.

3) Make sure that all parts of the sensor that will be exposed to the liquid or solids level media, and in

particular, any portion inserted into the tank, are compatible with the media, the temperature and

pressure.

4) Install the sensor in a location or way that it will not come into contact with filling, rising or splashing liquid

or solids level media.

QS310350 Rev A9 |

5) Install the sensor in accordance with all

applicable national, state or local safety

requirements such as the United States

National Electrical Code (ANSI/NFPA 70) or

the Canadian Electrical Code.

6) While adhering to the minimum free space

requirements, based on the model, install the

sensor with the following minimum distances

away from the tank side walls:

LR85: > 15.8” (400mm)

7) The shield wire must be connected to electrical ground.

8) Avoid operation of the sensor on a vehicle moving on a public highway.

CONE BOTTOM TANKS (SOLIDS)

EchoBeam®can be used in solids applications.

The maximum range for solids with the LR85

series is 196.8 feet (60m).

To measure as much of the solids volume as

possible, the antenna must be aimed at the lowest

point within the tank. With any cylindrical shaped

tank with a cone bottom, the sensor should be

mounted half the radius (½R) from the side wall. If

½R cannot be met, it is preferred to mount the

sensor closer to the side wall and away from the

center of the tank.

STEP 3 – WIRE THE TRANSMITTER

Supply Voltage – 4-20mA and HART Wiring: The sensor power supply and current signal share the same two-

wire shielded cable. The sensor supply voltage should never exceed 30 VDC and be greater than 12 VDC.

Always provide complete electrical and physical separation between the transmitter supply circuit and the main

circuit.

Note: Remember that the output voltage of the power supply can be lower under nominal load with a sensor

current of 20.5 mA or 22 mA, and/or with the addition of other instruments placed within the circuit. If voltage

spikes or surges are expected, adequate isolation protection must also be provided.

The Terminal (1) or Positive (+)

and Terminal (2) or Negative (-

) terminals are for connection

to a 12-30 VDC power supply

or to a 4-20 mA loop power

source. The wire to the

terminals can be extended up

to 1,000 feet using 16-22

gauge wire.

|10 QS310350 Rev A

The transmitter should be wired with shielded 2-conductor cable (16 to 22 AWG) to protect from

electromagnetic interference. If using a liquid tight connector, select a cable with an outer diameter that is

designed to ensure an effective seal with the connector [typically between 0.20” to 0.35” (5 to 9 mm)].

HART Wiring: An advantage of the HART protocol is that it can communicate over existing 4–20 mA analog

current loops. HART shares the two wires used by the 4-20mA signal wires.

Note: The sensor should be wired with shielded 2-conductor cable (16 to 22 AWG) to protect from

electromagnetic interference. If using a liquid tight connector, select a cable with an outer diameter that is

designed to ensure an effective seal with the connector [typically between 0.20” to 0.35” (5 to 9 mm)].

Supply Voltage – Modbus/RS485 Output

The power supply is connected on 2 wires and the RS485 communication is connected on two separate

wires. A single 4-conductor shielded cable, or two separate 2-conductor cables can be used.

Note: The RS485 communication must always use a shielded cable and must be grounded. The sensor

supply voltage should never exceed 26.4 VDC or be less than 9 VDC. Always provide complete electrical and

physical separation between the sensor supply circuit and the main circuit.

Note: If voltage spikes or surges are expected, adequate isolation protection must also be provided.

Modbus Wiring

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