Long-run Lrf-3300s User manual

LRF-3300S Ultrasonic Transit-time Flow meter

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LRF-3300S Ultrasonic Transit-time Flow meter

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Notice

Thank you for choosing the LRF-3300S Ultrasonic Flow meter.

Place read the instruction manual carefully before you use the flow meter to avoiding the damage to the flow

meter or improper use.

Warning

May cause injury.

Attention

May damage the flow meter.

Some of the instructions may be different to the flow meters you purchased, depending on configuration

requirements, otherwise, there is no indication about the product design and upgrade requirement in the

instructions, please refer to the version number, as well as the appendix.

LRF-3300S Ultrasonic Transit-time Flow meter

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Product Components

Inspection should be made before installing the Flow meter. Check to see if the spare parts are in accordance with

the packing list. Make sure that there is no damage to the enclosure due to a loose screw or loose wire, or other

damage that may have occurred during transportation. Any questions, please contact your representative

immediately.

Transmitter (Electronic)

Transducers (Sensor)

Accessories

Document

1. Coupling Compound

2. Pipe straps

3. Screws and plastic bushings

1. Instruction Manual

2. Packing List

3. Position Drawing

4. Calibration Certificate

LRF-3300S Ultrasonic Transit-time Flow meter

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Content

1. Transmitter Installation and Connection..........................................................................................................-5-

1.1. Transmitter Installation..........................................................................................................................-5-

1.2. Wire Connecting..................................................................................................................................- 6 -

1.2.1 Power supply option ..................................................................................................................- 6 -

1.2.2 Transmitter Wiring.....................................................................................................................- 6 -

1.3. Powering on.........................................................................................................................................- 7 -

1.4. Keypad Functions................................................................................................................................- 7 -

1.5. Keypad Operation................................................................................................................................- 8 -

2. Quick start......................................................................................................................................................- 8 -

2.1. Basic settings.........................................................................................................................................- 8 -

2.2. Measurement Site Selection.................................................................................................................- 10 -

3. Transducer Installation ................................................................................................................................- 12 -

3.1. Transducer Installation ......................................................................................................................- 12 -

3.1.1 Transducer Spacing..................................................................................................................- 12 -

3.1.2 Transducer Mounting Methods................................................................................................- 12 -

3.1.3 V Method.................................................................................................................................- 12 -

3.1.4 Z Method .................................................................................................................................- 13 -

3.2. Transducer Mounting Inspection.......................................................................................................- 14 -

3.2.1 Signal Strength.........................................................................................................................- 14 -

3.2.2 Signal Quality (Q value)..........................................................................................................- 14 -

3.2.3 Total Time and Delta Time ......................................................................................................- 14 -

3.2.4 Transit Time Ratio ...................................................................................................................- 14 -

3.2.5 Warnings..................................................................................................................................- 15 -

4. Operating Instructions .................................................................................................................................- 16 -

4.1. System Normal Identification............................................................................................................- 16 -

4.2. Low Flow Cutoff Value .....................................................................................................................- 16 -

4.3. Zero Settings......................................................................................................................................- 16 -

4.4. Scale Factor .......................................................................................................................................- 16 -

4.5. System Lock ......................................................................................................................................- 17 -

4.6. 4 ~ 20mA Current Loop Output.........................................................................................................- 17 -

4.7. Frequency Output ..............................................................................................................................- 17 -

4.8. Totalizer Pulse Output .......................................................................................................................- 18 -

4.9. Alarm Programming..........................................................................................................................- 18 -

4.11. 4-20mAAnalog Output Calibration...................................................................................................- 18 -

4.12. SD Card Operation ..........................................................................................................................- 19 -

LRF-3300S Ultrasonic Transit-time Flow meter

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4.12.1 Specifications.........................................................................................................................- 19 -

4.12.2 Install or Remove the SD card while the meter is powered on..............................................- 19 -

4.13. ESN..................................................................................................................................................- 20 -

5. Windows Display Explanations...................................................................................................................- 21 -

5.1. Windows Display Codes....................................................................................................................- 21 -

5.2. Display Explanations.........................................................................................................................- 23 -

6. Error Diagnoses...........................................................................................................................................- 40 -

6.1. Table 1. Error Codes and Solutions (during operation).....................................................................- 40 -

6.2. Frequently Asked Questions and Answers.........................................................................................- 41 -

7. Product Overview........................................................................................................................................- 42 -

7.1. Introduction .......................................................................................................................................- 42 -

7.2. Features of LRF-3300S......................................................................................................................- 42 -

7.3. Theory of Operation ..........................................................................................................................- 42 -

7.4. Applications.......................................................................................................................................- 43 -

7.5. Specifications.....................................................................................................................................- 44 -

8. Appendix3 –Serial Interface Network Use and Communications Protocol................................................- 45 -

8.1. Overview ...........................................................................................................................................- 45 -

8.2. Serial port definitions ........................................................................................................................- 45 -

8.3. Direct connection via RS232 to the host device................................................................................- 46 -

8.4. Communications protocol and the use...............................................................................................- 46 -

8.4.1 HL Protocol..............................................................................................................................- 46 -

8.4.2. MODBUS-I Communication Protocol ....................................................................................- 48 -

9. Appendix6 - Flow Application Data............................................................................................................- 54 -

9.1. Sound Velocity and Viscosity for Fluids Commonly Used................................................................- 54 -

9.2. Sound Velocity for Various Materials Commonly Used....................................................................- 55 -

9.3. Sound Velocity in Water (1 atm) at different temperatures................................................................- 56 -

Update Information:

__________________________________________________________________________________________

LRF-3300S Ultrasonic Transit-time Flow meter

1.Transmitter Installation and Connection

1.1. Transmitter Installation

There is a "Position Drawing" in the packing.

Please use it as a template in the place that you are going to install the flow meter. Choose the corresponding to

the four mounting holes to drill at the screw position shown on the drawing with the 6 mm drill.

Take out the enclosed screws and make the 4 attaching lugs installed in the position you drill the holes. Insert the

plastic bushings into the installing holes. Then put the flow meter into the position and screw it in.

Attention

When installing please ensure the front cover is secure and will not fall open.

LRF-3300S Ultrasonic Transit-time Flow meter

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1.2. Wire Connecting

1.2.1 Power supply option

Customers should pay special attention to specify the desired power supply when wiring.

Factory standard power supply is 90 ~ 245 VAC.

To ensure the transmitter can work normally, please pay attention to the followings when wiring:

Ensure that power connections are made in accordance with the specifications shown on the transmitter.

Transmitters can be powered by two different power supplies: 90 ~ 245VAC or 10-36VDC.

1.2.2 Transmitter Wiring

Once the electronics enclosure has been installed, the flow meter wiring can be connected.

Open the case, you will find the Power board wiring ports, from left to right, are as follows;

Connect to AC power (90-245V), DC power (10-36V), Relay Output, OCT Output, Transducer wiring, 4-20mA

Output, RS232 Output, RS485 Output, Analog Input.

For double-shielded transducer cable: "-" on the Blue wire, "+" on the Brown wire and "shield" on the Black

shield wire.

Refer to the below diagram for specific connection:

Brown - Up+、DN+

Blue - Up-、DN-

Black - GND

Warning

Wire when it is power-off. Reliable grounding must be taken for the instrument before installation

and use.

Use either AC or DC power supply. Do not connect them both at the same time.

LRF-3300S Ultrasonic Transit-time Flow meter

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1.3. Powering on

As soon as the flow meter is switched on, the system will run automatically according to the last input parameters.

If the installation is accomplished when system is switched on, gain adjustment can be monitored in Window M04.

After code "*R" are displayed on the upper right corner of the screen, the system will activate the normal

measurement condition automatically. It is indicated by code "*R" on the upper left corner of the screen.

If it is the first time to use or install on a new site, the customer need to input the new installation site parameters.

Any parameters which are set by user will be saved permanently until they are changed by the user.

When the user modifies the parameters and removes the transducers, the meter will recalculate automatically, and

operate normally with the parameters.

The flow meter can always complete all tasks at the same time. The tasks (Including measurement, output, etc)

will be carried out as usual, no matter in which display window.

1.4. Keypad Functions

Numbers “0~9” and Input Numbers or Menu Code

Backspace or delete characters to the left or back to the previous menu.

and Return to the last menu or open the next menu.Acts as "+" and "-" are used to enter numbers.

Select a menu. Press this key first, then input two menu numbers to display the selected menu.

SD Card

position

Black light

Switch

LRF-3300S Ultrasonic Transit-time Flow meter

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1.5. Keypad Operation

The flow meter adopts the window software design to consolidate or subdivide all of the parameters entered, the

instrument setup and measurement result displays into independent windows. The operator can input parameters,

modify settings or display measurement results by "visiting" a specific menu window. Each window serial number,

or so-called window ID code, has a defined meaning. For example, Window M10 indicates the parameter input for

pipe outside diameter, while Window M14 indicates the mounting spacing between the transducers, etc. (Refer –

Windows Display Explanations).

The keypad shortcut to visit a specific window is to press the key at any time, then input the 2-digit

window ID code. For example, to input or check the pipe outside diameter, just press the keys

for window ID code 10. Use and to switch.

Another method to visit a particular window is to press and to scroll the screen.

You can check the corresponding parameters by visiting the Data Type Windows. If you want to modify the

parameters, press first, input the digits then press again to confirm.

Attention

Generally, press

Enter

key first if operator wants to enter "modify" status. If the "modify" is still not

possible even after pressing the

Enter

key, it means that system is locked by a password. To

"Unlock" it, select "Unlock" in Window M54 and enter the original password.

2. Quick start

2.1. Basic settings

For example, let us you have a pipe of 200mm outer diameter、4mm pipe thickness, measuring medium is water,

Pipe Material is PVC with no Liner, These parameters should be operated as follows:

Step1. Pipe Size Settings

Find M10, enter the pipe size, the outer diameter of the

pipe and the pipe thickness.

press the to confirm.

200.0

M10

Pipe settings

Size

thk

4.0

LRF-3300S Ultrasonic Transit-time Flow meter

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Step2. Pipe Material

Use to switch to select the material of the pipe.

And press the to confirm.

Size

M10

Pipe settings

Other

3200

m/s

0.PVC

Step2. Pipe Lining

Find M11, select the pipe liner. We select 0. No liner

here. Press the to confirm.

If you have liner, please select the liner material and

liner thickness.

Other

Size

M11

Lining

2400

m/s

0.No Liner

Step 3. Fluid Type

Find M12, select the liquid medium, here we select

0.water. Press the to confirm.

M12

Medium

VIS

Other

1482.0

m/s

Option

0.Water

Type

Step4. Transducer Type

Find M13, select the transducer type, here we select the

0. Clamp-On, our standard clamp on type transducer.

Press the to confirm.

Option

0.Clamp-On

M13

Transducer

Type

Method

Step 5. Transducer Mounting Methods

Use to switch to select transducers mounting

method, here we select 0. V type, directly method.

Press the to confirm.

Option

M13

Transducer

0.V

Type

Method

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