Longrun LRF-3300S Скачать руководство пользователя страница 14 | Manualshive

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Longrun LRF-3300S Скачать руководство пользователя страница 14

LRF-3300S Ultrasonic Transit-time Flow meter

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Top View

3.1.4

Z Method

The signal transmitted in a Z method installation has less attenuation than a signal transmitted with the V method

When the pipes are too large, there are some suspended solid in the fluid, or the scaling and liner are too thick.
This is because the Z method utilizes a directly transmitted (rather than reflected) signaling which transverses the
liquid only once. The Z method is able to measure on pipe diameters ranging from 100mm to 5000mm (4 inch to
200 inch) approximately. Therefore, we recommend the Z method for pipe diameters over 300mm (12 inch).

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Содержание LRF-3300S

Страница 1: ...LRF 3300S Ultrasonic Transit time Flow meter 1...

Страница 2: ...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...

Страница 3: ...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 T...

Страница 4: ...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 T...

Страница 5: ...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 Appen...

Страница 6: ...ow 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 installe...

Страница 7: ...mitter 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 Connec...

Страница 8: ...lation 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 wil...

Страница 9: ...side 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...

Страница 10: ...M M11 Lining R 2400 m s M 0 No Liner Step 3 Fluid Type Find M12 select the liquid medium here we select 0 water Press the to confirm M12 Medium R VIS Other 1482 0 m s Option 0 Water Type Step4 Transdu...

Страница 11: ...following guidelines to select a proper installation site Choose a section of pipe that is always full of liquid such as a vertical pipe with flow in the upward direction or a full horizontal pipe Ens...

Страница 12: ...LRF 3300S Ultrasonic Transit time Flow meter 11...

Страница 13: ...de the top portion of the pipe Refer to Transducer Mounting If the transducers cannot be mounted horizontally symmetrically due to limitation of the local installation conditions it may be necessary t...

Страница 14: ...are some suspended solid in the fluid or the scaling and liner are too thick This is because the Z method utilizes a directly transmitted rather than reflected signaling which transverses the liquid o...

Страница 15: ...er 75 0 which is detected from both upstream and downstream directions If the signal strength detected is too low the transducer installation position and the transducer mounting spacing should be re...

Страница 16: ...s pipe with seams since such pipe is always irregular If the signal strength is always displayed as 0 00 that means there is no signal detected Thus it is necessary to check that the parameters includ...

Страница 17: ...Zero is too big that indicates the quality of the instrument is poor If the zero set point is not at true zero flow a measurement difference may occur The smaller the physical measurement capacity is...

Страница 18: ...perL When flow direction is an issue module 0 4 20mA is available When the flow direction displays as negative the current output is in range of 0 4mA whereas the 4 20mA is for the positive direction...

Страница 19: ...rate exceeds the ranges configured Configure the flow ranges using the software alarm system There are two software alarms Alarm 1 and Alarm 2 Example 1 When flow rate exceeds 300 1000 m3 h in order t...

Страница 20: ...flow positive totalizer negative totalizer Data storage format a 2017 11 16 16 21 12 b 2 652471E 00 m3 h c 9 380460E 02 m s d 3 520580E 02 m3 e 3 520580E 02 m3 f 0 000000E 00 m3 g 0 000000E 00 GJ h h...

Страница 21: ...to view in Window M61 ATTENTION Other Operating Refer to 6 2 Window Display Explanations Attention Do not remove the SD card from the reader while actively working with the data Data should be saved a...

Страница 22: ...Status M1X Installation Setting M10 Pipe Settings M11 Lining Settings M12 Liquid Settings M13 Transducer Settings M14 Installation Space M2X Calibration Setting M20 Damping M21 Low Flow Cut off Value...

Страница 23: ...Units M41 Flow Rate Units M42 BTU Units M43 Temperature Units M5X System Settings M50 Serial Number M51 Time and Date M52 Beeper Setup M53 Initial Interface Settings M54 System Lock Settings M55 Rest...

Страница 24: ...er Display Positive totalizer Display Negative totalizer Use and to switch M01 Flow Rate Display the Flow Rate Display the Velocity Use and to switch M00 Flow Total R 123 4 NET POS m3 E 0 NEG E 0 m3 M...

Страница 25: ...J M02 Energy Total R Heat Cool 201 6 E 0 GJ M02 Energy Total R M03 Energy Rate Display the Energy Rate Display the Inlet Water Temp and Outlet Water Temp Use and to switch 0 x 0 001 E 3 1 x 0 01 E 2 2...

Страница 26: ...ansmit time according to customer s requirement Normally the ratio should be 100 3 If the difference is too large the user should check that the parameters are entered correctly especially the sound v...

Страница 27: ...PVC 1 CS Carbon Steel 2 SSP Stainless Steel Pipe 3 CIP Cast Iron Pipe 4 DIP Ductile Cast Iron Pipe 5 Copper 6 Alu Aluminum pipe 7 ACP Asbestos Cement Pipe 8 FPG Fiberglass Pipe 9 Other Size M M10 Pipe...

Страница 28: ...not included in previous ten items Once the Other is selected the relevant liner sound velocity must be entered Use and to switch M12 Medium Select measure medium The following options are available...

Страница 29: ...e is calculated by the flow meter The operator must mount the transducer according to the transducer spacing displayed ensure that the transducer spacing is measured precisely during installation The...

Страница 30: ...de the pipe is in the absolute static state no liquid movement in the pipe Thus the Zero Point resulting from different pipe mounting locations and parameters can be eliminated The measuring accuracy...

Страница 31: ...Reset 0 Heat 1 Cool 2 All M24 Temperature Select Heat Input Options 0 RTD 1 AI Use and to switch Temperature Sensitivity Setting When the delta temperature is less than the sensitivity set energy will...

Страница 32: ...or is used to modify the measurement results The user can enter a numerical value other than 1 according to the actual calibration results M27 Correction Sectional Correction ON Open the Sectional Cor...

Страница 33: ...k 20mA Option 0 2400 None ID 55 M30 RS232 RS485 R LowerL 1 0 UpperL 1000 0 M31 AI Settings R AI1 AI2 LowerL 1 0 UpperL 1000 0 M31 AI Settings R AI1 AI2 Option a 4 20mA M32 CL Settings R Mode Range Che...

Страница 34: ...owing signal options are available a Flow Rate b POS Total c NEG Total d NET Total e Energy Rate f Heat Total g Cool Total h Rationing i Uart CTRL Mode Range Check M32 CL Settings R Option a Check 4mA...

Страница 35: ...n g POS Total h NEG Total i NET Total j Not Using M35 Alarm Setting Enter the Lower alarm value any of the measured flow which is lower than the low value will activate the alarm in the OCT hardware o...

Страница 36: ...val in this menu Time is in seconds The interval can be selected in the range of 1 3600 seconds M40 Toggle Unit Select the measurement unit as follows a Metric b British M41 Flow Unit The following fl...

Страница 37: ...e x 10 E 1 f x 100 E 2 g x 1000 E 3 h x 10000 E 4 M42 Energy Unit The following Energy units are available 0 Giga Joule GJ 1 Kilocalorie Kc 2 MBtu 3 KJ 4 Btu 5 KWh 6 MWh 7 TH a x 0 001 E 3 b x 0 01 E...

Страница 38: ...e factory The factory uses it for files setup and for management by the user M51 Time and Data Date and time modifications are made in this menu M52 Key Tone Use this menu to ON OFF the key tone M53 I...

Страница 39: ...nstrument back to factory M60 Date Totalizer The following options are available 0 Day 1 Month 2 Year In this window it is possible to review the historical flow data net totalizer for any day for the...

Страница 40: ...t M64 RTD Adjust This menu is for the AI calibration enter the pass word to adjust Value 5 Day M61 Running Time R 4mA Enter to go 20mA Enter to go M62 CL Adjust R 0 C Enter to go 180 C Enter to go M63...

Страница 41: ...entative for assistance 6 1 Table 1 Error Codes and Solutions during operation Codes The upper right corner of the screen Causes Solutions R System Normal System normal E Signal Not Detected Signal no...

Страница 42: ...ly Slowly and slightly move each transducer with respect to each other around the installation point until the maximum signal is detected Be careful that the new installation location is free of scale...

Страница 43: ...ss output signals etc can be conveniently entered via the windows British and Metric measurement units are available 3 Daily monthly and yearly totalized flow Totalized flow for the last 64 days and m...

Страница 44: ...ater and energy management system Metallurgy and mining applications cooling water and acid recovery for example Petroleum and chemicals Food beverage and pharmaceutical Marine operation and maintenan...

Страница 45: ...or 2A 30VDC Communication Interface RS232 RS485 SD Card standard Max record 512 days Record time interval 1 3600 s Power Supply 90 245 VAC 48 63 Hz Or 10 36 VDC Keypad 16 light tactile keys Display 2...

Страница 46: ...length 0 1000m can be directly used for data transmission links for a short distance Current loop can be used in medium or long distance transmission When the flow meter is used in a network environm...

Страница 47: ...munication Primary station computer system Secondary station ultrasonic flow meter is generally 9600BPS A single byte data format 10 bits one start bit one stop bit and 8 data bits Check bit none A da...

Страница 48: ...ting will back to OK SCLdd d cr lf Current setting dd d cr Successful setting will back to OK SRS cr lf Start quantitative control OK cr Successful setting will back to OK P Prefix of return command w...

Страница 49: ...sums s expresses ON or OFF or UD For example TR ON RL ON expresses that the OCT and relay are in an actuated status TR UD RL UD expresses that the OCT and relay are not actuated 8 4 2 MODBUS I Communi...

Страница 50: ...nd 40006 registers data the read command is as follows 0x01 0x03 0x00 0x04 0x00 0x02 0x85 0xCA Flow meter Address Function Code First Address Register Register Numbers CRC Verify Code Flow meter retur...

Страница 51: ...ster and a write single register a Read Register Address List use 0x03 function code to read PDU Address Register Read Write Type No registers 0000 40001 Flow s low word 32 bits real 2 0001 40002 Flow...

Страница 52: ...Energy total cold exponent 16 bits int 1 0019 40026 Up signal int low word 32 bits real 2 0 99 9 001A 40027 Up signal int high word 001B 40028 Down signal int low word 32 bits real 2 0 99 9 001C 4002...

Страница 53: ...value with RTD option 004a 40075 Analog Input AI1 Value high word 004b 40076 Analog Input AI2 Value low word 32 bits real 2 004c 40077 Analog Input AI2 Value high word 004d 40078 4 20mA Value low word...

Страница 54: ...7 ib Imperial Barrels 8 ob Oil Barrels 2 The following energy units are available 0 GJ Giga Joule 1 Kc Kilocalorie 2 MB MBtu 3 KJ Kilojoule 4 Bt Btu 5 Ts US Tonnes 6 Tn US Tons 7 kw Kwh 3 16 bits int...

Страница 55: ...1543 0 55 water 75 1554 0 39 water100 1543 0 29 water125 1511 0 25 water150 1466 0 21 water175 1401 0 18 water200 1333 0 15 water225 1249 0 14 water250 1156 0 12 Acetone 1190 Carbinol 1121 Ethanol 11...

Страница 56: ...ound Velocity m s Steel 3206 ABS 2286 Aluminum 3048 Brass 2270 Cast iron 2460 Bronze 2270 Fiber glass epoxy 3430 Glass 3276 Polyethylene 1950 PVC 2540 Liner Material Sound Velocity Teflon 1225 Titaniu...

Страница 57: ...0 1554 4 13 1458 7 47 1538 9 81 1554 2 14 1462 3 48 1540 2 82 1553 9 15 1465 8 49 1541 3 83 1553 6 16 1469 3 50 1542 5 84 1553 2 17 1472 7 51 1543 5 85 1552 8 18 1476 0 52 1544 6 86 1552 4 19 1479 1 5...

Страница 58: ...LRF 3300S Ultrasonic Transit time Flow meter 57...

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