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     4.3.2 Installation via Nipple Joint: 

During installation via nipple joint, the probe must be exposed for at least 2cm abo-
ve the connecting pipe bottom. 

Compact type sensor – 

doorframe installation 

     4.3.3 Doorframe Installation 

Doorframe installation can be applied for the open container and the axis of connec-
ting pipe must be aligned to the container opening or perpendicular to the medium 
surface. 

During installation for material piles in the open air, several meters are required for 
the measurement of large material pile in the open air. The meters can be fixed on 
the hoist frame and sensor probe shall be aligned to the medium surface. 

Page 23

 

Summary of Contents for LUDP

Page 1: ...CYK Tech ULTRASONIC LEVEL SENSOR User s Manual LUDP LUDR Copyright CeYeKo Technology 2021 LUDx_M_V0 0...

Page 2: ...ry our best to guarantee that the manual content is accurate if you find something wrong or incorrect please contact us This product is forbidden to use in explosion proof occasions Versions LUDP Comp...

Page 3: ...e parameters functions structure shape co lor etc Software functions structure display mode operating habit etc Any operation on the hardware must be conducted after power off Failures like short circ...

Page 4: ...ad at the Bottom 16 4 2 4 Top Thread Installation Hoisting Installation 17 4 2 5 Liquid Measurement 17 4 3 Solid Measurement 22 4 3 1 Flange Installation 22 4 3 2 Installation via Nipple Joint 23 4 3...

Page 5: ...ion of measurement to be done must be learnt before the operation of the ultrasonic le vel meter such as the measuring range zero point full scale and site conditions Therefore the meter must be set b...

Page 6: ...press the set button SET for 2s to enter in the main menu The menu modes include expert setting mode and simply setting mode The menu query table of simple setting mode is as shown in the below The me...

Page 7: ...s the distance from probe emitting surface to tank bottom or pool bottom 2 4 Diagram of distance and material level measurement Under distance measuring mode setting of reference zero point is meaning...

Page 8: ...tance from the power line and power line at least 1 meter 2 5 Anti interference Measures Under material level measuring mode the positions of reference zero point maximum of measuring range and minimu...

Page 9: ...or DC 30V 5A optional state programmable 2 groups for single channel and 4 groups for double channels optional AC 250V 8A or DC 30V 5A state programmable Power Supply Standard configuration 24VDC Opt...

Page 10: ...ion Compact Type The integrated type with four wire system is powered by 24V power supply and its electricity consumed is 80mA without relay 105mA with a relay and 150mA with 2 relays Specific power c...

Page 11: ...age 11 Chapter 4 Installation Guide 4 1 Installation Dimension of Level Meter 4 1 1 Standard Remote Type Ultrasonic Level Meter Structural Drawing 4 1 2 Enhanced Compact Type Ultrasonic Level Meter Si...

Page 12: ...CYK Tech www ceyeko com Page 12...

Page 13: ...eater the diffusion area is Any objects within the launch angle such as pipes brackets welds stiffeners stir ring propellers and wall mounted objects will cause strong false echoes especially objects...

Page 14: ...s unnecessary Ripple 5 10dB 50 67 1 times of the measuring range Major fluctuation for example there is mixing blade 10 20dB 90 3 times of the measuring range Solid Material Surface Attenuation Multip...

Page 15: ...90 2 times of the measuring range The calculation method of signal attenuation is to add all signal attenuation amounts if there are several conditions on site With little feedstock 5 10dB With little...

Page 16: ...ion 01 Install a flange on the object to be measured 02 Place a spacer of the same in ner diameter on the flange 03 Align the transducer with flange hole 04 Place the transducer in flange hole 05 See...

Page 17: ...waveguide 02 Put a gasket on the flange 4 2 5 Liquid Measurement 1 Flat Top Tank Normally the flat top tank has a short connecting pipe whose datum plane is the un dersurface of flange Under the premi...

Page 18: ...read and the di mensions of hoisting thread include M30 1 5 M32 1 5 and M38 1 5 Probe installation on nipple joint Hoisting thread connection at the remo te type probe top In case of installation on n...

Page 19: ...he arch tank top For most arch tanks the length of connecting pipe plus flange on the top is 150 180mm But the part below the probe thread of ultrasonic level meter is not so long elongated probe is a...

Page 20: ...ny other objects the distance between the sensor and container wall is detailed as follows Maximum Measuring Range Minimum Distance to Wall Maximum Measuring Range Minimum Distance to Wall Maximum Mea...

Page 21: ...will be enlarged to 1 00m after the probe is put into the connecting pipe Connecting pipe and measuring casing used for drainage well mea surement For common well including water source well and deep...

Page 22: ...ce shall be perpendicular to the surface of solid to be measured and the probe shall be exposed from the connecting pipe At the solid measurement site in most cases probe inside the connecting pipe wi...

Page 23: ...nstallation Doorframe installation can be applied for the open container and the axis of connec ting pipe must be aligned to the container opening or perpendicular to the medium surface During install...

Page 24: ...s an extended con necting pipe shall be installed on the container 1 How to extend the connecting pipe for measuring liquid Try to keep the inner wall of the nozzle as smooth as possible and the nozzl...

Page 25: ...by other devices in the container The inner diameter of connecting pipe shall be as great as possible and the inclined cut shall be smooth The relationship between the height L and inner diameter of c...

Page 26: ...t distance is shown as follows Maximum Measuring Range Minimum Inner Diameter of Connecting Pipe Maximum Measuring Range Minimum Inner Diameter of Connecting Pipe 5m 150mm 10m 200mm 15m 250mm 20m 300m...

Page 27: ...it shall be ensured that the ultrasonic wave beam is not blocked by other devices or feedstock The bulges on the plane or stair like barriers in the container will have a great impact on the measureme...

Page 28: ...points it must be ensured that no other devices are within the diffusion range of ultrasonic wave signal Barrier in the container pipe The sensor shall not be installed in or above the charging feedst...

Page 29: ...tance must be kept between the sensor and the con tainer wall Attachment on container wall certain distance must be kept from the attachment In the water storage pool the installation height is genera...

Page 30: ...or wavegui de for measurement 2 Common Installation Errors Bubble if the bubbles on the medium surface are large and the bubble layer is thick measuring error is likely to take place and the reflecte...

Page 31: ...rpendicular to the surface of measured interface Sensor probe shall be perpendicular to me dium surface Installed at positions with great temperature change Measurement error is likely to take place a...

Page 32: ...0m 15m 1 5m 20m 2 5m 30m 4m 40m 5m 50m 6m 60m 7 2m 70m 8 5m Under worse measuring conditions the distance between the sensor and the contai ner wall shall be enlarged until no false echo occurs Prompt...

Page 33: ...minal with other equipment 2 Connect terminal 4 3 Ground resistance must be less than 4 Transducer red wire connected to Trans1 transducer blue wire Temp 1 temperature sensor Black wire GND ground wir...

Page 34: ...ted to 24V DC 485 Connection 485A connection TXD 485A terminal 485B connection RXD 485B terminal 232 Connection TXD connection TXD 485A terminal RXD connection RXD 485B terminal 232 ground connection...

Page 35: ...gram of Compact Type Enhanced Compact type with four wire system Electric Wiring Diagram of Enhanced Integrated Type with Four wire System 24VDC Power Supply Wiring Diagram of Four wire Sys tem 220VAC...

Page 36: ...CYK Tech www ceyeko com Page 36 Enhanced Compact type with two wire system Electric Wiring Diagram of Two wire System Wiring Diagram of Two wire Ampere Meter Diagram of Two wire...

Page 37: ...ized the level meter will enter in the operating mode automatically and start to measure data Measurement at the time is under material level measurement mode and the relative output is 4 20mA Output...

Page 38: ...page for menu query table of simply setting mode See the appendix for menu query table of expert setting mode Menu interface of expert setting mode and operating instructions are shown below Press SET...

Page 39: ...locked with passwords The initial password of the level meter is 25 and users can change the initial password and set their own passwords randomly tips please remember your own password otherwi se you...

Page 40: ...rement value relative to 20mA of the level meter and the factory default is the maximum range 4 Unit Selection Display unit there are three optional units including m cm and mm wherein m stands for me...

Page 41: ...minimum value maximum value and setting value Remaining the display value is the final measured value before wave loss and the current is the corresponding value Minimum the display value is 4mA afte...

Page 42: ...obe and factory de fault varies with the matched probe 3 Sensitivity S Short sensitivity to be modified under the guidance of Professio nal technical personnel only 4 Threshold S Short threshold value...

Page 43: ...m and after being trigge red the alarm can be canceled only after the measured value reaches the alarm va lue alarm return difference Factory default is 0 Setting method of alarm 2 3 4 mode is the sam...

Page 44: ...CYK Tech www ceyeko com Page 44...

Page 45: ...com position is not air For example propagation velocity of sound is different in pla ces with gasoline acetone ethyl alcohol and other volatile gas so correction is necessary 3 4mA Adjust 4mA correc...

Page 46: ...200 and the default is 9600 3 Working Mode Operating Mode select communication operating mode between Automatic report mode and Inquiry mode and the default is Automatic report mode 9 Reset Options 1...

Page 47: ...er 1 Replace the level meter with a level meter with grea ter measuring range 2 The measured medium has strong disturbance vib ration or heavy dust 2 The meter will restore the normal measurement auto...

Page 48: ...o the metal flange and then reflected by the metal flan ge back and accumulated on the probe forming a strong echoed signal As a result a condition that the water level of the pond is 3m but the ultra...

Page 49: ...g distan ce For example the ultrasonic level gauge with a measuring range of 5m has a 0 50m blind area at 20 C The echo enclosed by the red frame in figure above is the high intensity echo caused by b...

Page 50: ...line the cross bar from the left to right is about 4mm high It is clear and same high from the left to right without burrs Signals in the red circle are ultrasonic echoed signals and they are very obv...

Page 51: ...s the original figure On the right figure I enclosed the real ec ho with red circles and enclosed the interference waveform with red frame The in terference waveform is quite higher than the real echo...

Page 52: ...requency used a passive signal isolator should be used to solve the interference problem For meter applying four wire system isolated power supply should be applied and signal isolator should be appli...

Page 53: ...n the host calls the slave address and the slave responds mode communication 2 Data frame 10 bits 1 start bit 8 data bits 1 stop bit no parity 3 Baud rate 2400 4800 9600 19200 default is 9600 4 Functi...

Page 54: ...to m bytes register data M 1 m 2 bytes crc16 check from byte 1 to m When the slave receives an error the slave sends back 1 2 3 4 5 ADR 83H Information co de Crc code low byte Crc code high byte 1st b...

Page 55: ...te 1st byte adr slave address code 001 254 1st byte 86h Write register value error function code 3rd byte information code see information code table 4th 5th byte crc16 check from byte 1 to 3 Function...

Page 56: ...ers high byte Number of regis ters low byte Crc code low byte Crc code high byte When the slave receives an error the slave sends back 1 2 3 4 5 ADR 90H Error message code Crc code low byte Crc code h...

Page 57: ...d 0012 Reserved 0013 Reserved 0014 Reserved 0015 Reserved 0016 Reserved 0017 Reserved 0018 Reserved 0019 Reserved 001A Reserved 001B Reserved 001C Reserved 001D Reserved 001E Reserved 001F Reserved 00...

Page 58: ...04B Reserved 004C Reserved 004D Reserved 004E Reserved 004F Reserved 0050 Reserved 0051 Reserved 0052 Reserved 0053 Reserved 0054 Reserved 0055 Reserved 0056 Reserved 0057 Reserved 0058 Reserved 0059...

Page 59: ...Unit Selection 0 mm 1 cm 2 m Algorithm selection 0 special environment one 1 special environment two 2 special environment three 3 special environment four Probe Type 0 select 1 1 select 2 2 select 3...

Page 60: ...fined and are reserved for future upgra de compatibility Information Code Table Information code Express meaning 01H Illegal function code 02H Illegal data address 03H Illegal data value 04H Crc16 che...

Page 61: ...CYK Tech CeYeKo Fluid Measurement Technology www ceyeko com Copyright CeYeKo Technology 2021 LUDP LUDR Ultrasonic Level Sensor Manual LUDx_M_V0 0...

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