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Pulsar dBi Series, Инструкция по эксплуатации

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Page 40

 

Vessel Shape 

P600 Value 

Dimensions 

Required 

 

P600=6 Cylindrical 
Flat sloped base 

Cylinder diameter 
and height of 
bottom 

 

P600=7 Rectangular 
Flat sloped base  

Width and Breadth 
of rectangular 
section and height 
of bottom 

 

P600=8 Horizontal 
cylinder with flat ends 

Cylinder diameter 
and tank length 

 

P600=9 Horizontal 
cylinder with 
parabolic ends 

Cylinder diameter, 
length of one end 
section, and tank 
length 

 

 

P600=10 Sphere 

Sphere diameter 

 

 

 

P600=11 Universal 
Linear 

No dimensions 
required, level and 
volume breakpoints 
used.                  

 

 

 

P600=12 Universal 
Curved  

No dimensions 
required, level and 
volume breakpoints 
used.                      

 

Содержание dBi Series

Страница 1: ...dBi Series Intelligent Transducer INSTRUCTION MANUAL ...

Страница 2: ......

Страница 3: ...loss injury or damage whatsoever arising out of the application or use of any product or circuit described herein Every effort has been made to ensure accuracy of this documentation but Pulsar Process Measurement Limited cannot be held liable for any errors Pulsar Process Measurement Limited operates a policy of constant development and improvement and reserves the right to amend technical details...

Страница 4: ......

Страница 5: ...for Operation 16 Maintenance 17 Hazardous Area Installation 17 Information specific to Hazardous Area Installation 17 Hazardous Area specific Power Supply and barrier Requirements 18 Chapter 3 How To Use Your dBi Series Intelligent Transducer 23 4 20 mA Device 23 Accessing Parameters 24 Hart Commands 24 Universal 24 Common practice 24 dBi Hart PC Lite 24 Connection 26 Configuration 28 Communicatio...

Страница 6: ...n 38 P940 Number of Starts 38 P941 Last Power Off Date 38 P942 Last Power Off Time 38 P943 Last Run Time minutes 38 P944 Last Run Time hours 38 P945 Total Runtime hours 38 Volume 39 Conversion 39 P600 Vessel Shape 39 P601 P603 Vessel Dimensions 41 P604 Calculated Volume 41 P605 Volume Units 42 P606 Correction Factor 42 P607 Max Volume 42 Breakpoints 43 P610 P641 Level Volume Breakpoints 43 P696 Re...

Страница 7: ...ode 49 System Information 49 P926 Software Revision 49 P927 Hardware Revision 49 P928 Serial Number 49 P930 Factory Defaults 49 Date Time 49 P931 Date 49 P932 Time 49 LOE Save Trace 50 P950 Save DATEM Trace on LOE 50 DATEM 50 P020 Set DATEM 50 P021 Set Dist 50 P905 Peak Clearance 51 P906 Side Clearance 51 Chapter 6 Troubleshooting 53 Parameter Record 54 ...

Страница 8: ......

Страница 9: ...nce and a few minutes spent reading this operating manual will ensure that your installation is as simple as possible About this Manual It is important that this manual is referred to for correct installation and operation There are various parts of the manual that offer additional help or information as shown Tips TIP At various parts of this manual you will find tips to help you Additional Infor...

Страница 10: ...ns in both liquids and solids Its unique design gives unrivalled performance in echo discrimination and accuracy in a loop powered device Easy calibration and maintenance free fit and forget performance mean that you can install the dBi Series Intelligent Transducer Level Monitoring System rapidly and with confidence with calibration being achieved either by the use of a HART programmer calibrator...

Страница 11: ... a range of 0 5m 1 64 feet to 15 00m 49 213 feet All models can be mounted via a rear 1 BSP NPT thread Standard with a model with alternative front thread mounting being available in addition flange mount and PVDF options are also available See Chapter 2 Installation for further details All model types are available for use in hazardous area installations with either Ex mb or Ex ia ATEX certificat...

Страница 12: ...ont 1 Thread 77mm 3 inches 160mm 6 3 inches 1 2Kg dBi 10 metre Valox 357 PBT Front 2 Thread 77mm 3 inches 160mm 6 3 inches 1 3Kg dBi 3 metre PVDF Rear 1 BSP or NPT 77 mm 3 inches 134 mm 5 3 inches 1 0Kg dBi 6 metre PVDF Rear 1 BSP or NPT 86 mm 3 4 inches 121 mm 4 8 inches 1 2Kg dBi 10 metre PVDF Rear 1 BSP or NPT 86 mm 3 4 inches 121 mm 4 8 inches 1 3Kg dBi 15 metre PVDF Rear 1 BSP or NPT 86mm 3 4...

Страница 13: ...rature compensation via internal digital temperature sensor with 0 5 C accuracy o Current consumption 3 8ma to 22ma o Boot time from power up to stable reading cold boot 9 seconds warm boot 4 seconds if within 12hrs from last start up For 4 to 20ma set proportional to measured level distance Communications Protocol o Hart 7 PC interface o All parameters can be accessed and changed via Hart Modem a...

Страница 14: ...asonic Transducers HART dBi range Model or Type No dBi 3 dBi 6 dBi 10 dBi 15 Ex ia Ex mb versions Brand name HART dBi range Are in conformity with the following relevant EC legislation ATEX directive 94 9 EC EMC directive 2004 108 EC Based on the following harmonised standards EN60079 0 2009 EN60079 11 2012 Ex ia EN60079 18 2009 Ex mb EN60079 26 2007 Ex ia EN61326 1 2006 EN55011 Class B radiated e...

Страница 15: ...mb 40 C to 80 C II 2 G Ex mb IIC T4 Gb II 2 D Ex mb IIIC T130 C Db Tamb 40 C to 80 C Limitations on use 1 The dBi transducers must be routinely inspected to avoid the build up of dust layers when installed in a Zone 21 22 2 Electrostatic hazard The dBi transducers must only be wiped with a damp or antistatic cloth 3 Only the fuses listed on drawing D 0804 0978 A are permitted to be used with the E...

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Страница 17: ...Bi Series Intelligent Transducer bear in mind the following The ultrasonic signal path should be free of falling material and obstructions such as pipes beams etc The dBi 3 should be mounted at least 12 5cm 0 41 feet above the maximum level of the material and be perpendicular to the surface While the dBi 6 and 10 should be mounted at least 30cm 0 98 feet above the maximum level of the material an...

Страница 18: ...Page 10 Dimensions The dimensions of the dBi Series Intelligent Transducer are as shown below Rear Thread Mount dBi 3 dBi 6 10 dBi 15 ...

Страница 19: ...Page11 Front Thread Mount dBi 3 6 dBi 10 ...

Страница 20: ...errors in the measurement of ambient temperature Attention should also be taken when mounting the unit to ensure that strong windy conditions are avoided wherever possible to prevent abnormal operation dBi Model Range L Blanking dBi 3 3 metres 9 84 feet 125mm 0 41 feet dBi 6 6 metres 19 69 feet 300mm 0 98 feet dBi 10 10 metres 32 18 feet 300mm 0 98 feet dBi 15 15 metres 49 21 feet 500mm 1 64 feet ...

Страница 21: ... such as PVC in cases where a metal flange is used it is advisable to fit a suitable gasket between the flange of the dBi Series Intelligent Transducer and the connection to the vessel Stand Pipe Installations When mounting the dBi Series Intelligent Transducer to a standpipe care should be taken to ensure that the standpipe is of sufficient diameter with reference to its length see the table belo...

Страница 22: ... that either a PVDF or an optional PTFE faced Flanged Transducer is used Please consult Pulsar for full availability of options Cable The dBi Series Intelligent Transducer comes with a fitted integral cable if this cable is extended then the total capacitance must not exceed the limits for the voltage applied Important Information In the case of the Ex mb version the cable is fitted with an over c...

Страница 23: ... The twisted pair are red and black connect the red to ve and the black to ve The screen should go to signal ground Loop Resistance For two wire operation the maximum cable resistance allowable can be calculated from the graph below For example if an dBi Series Intelligent Transducer was supplied from 24V the maximum total cable resistance is 600 ohms for a typical 77 ohm km cable this would mean ...

Страница 24: ...t is installed or used in a manner not specified in this manual then the protection provided by the equipment may be impaired Preparation for Operation Before switching on check the following The dBi Series Intelligent Transducer is mounted correctly The power supply is correctly installed ...

Страница 25: ...y certified for use in ambient temperatures in the range 40o C to 80o C and should not be used outside this range 3 Installation shall be carried out in accordance with the applicable code of practice by suitably trained personnel 4 Repair of this equipment shall be carried out in accordance with the applicable code of practice 5 Certification marking as detailed in drawing number D 804 0957 B Ex ...

Страница 26: ... should note that on being put into service the equipment must be accompanied by a translation of the instructions in the language or languages of the country in which the equipment is to be used and by the instructions in the original language Hazardous Area specific Power Supply and barrier Requirements The dBi transducer operates from a DC supply of 10 28V and will typically draw less than 22mA...

Страница 27: ...ucers cable is a twisted pair with overall cable screen The twisted pair are red and black connect the red to ve and the black to ve The screen should go to signal ground Typical wiring for the two types of dBi transducers ...

Страница 28: ...Page 20 ...

Страница 29: ...Page21 ...

Страница 30: ...Page 22 ...

Страница 31: ...the maximum range and span of the dBi model being used as detailed in the table below dBi 3 dBi 6 dBi 10 dBi 15 4 mA Empty 0 of Span Distance from dBi Face in metres 3 000 6 000 10 000 15 000 20 mA Full 100 of Span Distance from dBi Face in metres 0 125 0 300 0 300 0 500 Note Customised factory calibration of Span is available please contact Pulsar for further details Important Information When th...

Страница 32: ...elligent Transducer is connected to a HART modem then it can be programmed following normal HART procedures Commands implemented by the dBi Series Intelligent Transducer are as follows Universal 0 1 2 3 6 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22 38 and 48 Common practice 33 34 35 40 41 42 45 46 47 83 89 90 111 112 and 122 dBi Hart PC Lite Your dBi Series Intelligent Transducer comes complete with...

Страница 33: ...es Intelligent Transducer and install the software following the on screen instructions Once the software is installed connect the computer via a convenient USB port to the HART Modem Double click the dBi HART PC Lite icon installed on your desktop and the programme will open and you will see the following screen ...

Страница 34: ... and flash Green if the dBi HART PC Lite fails to connect please check the Comport Configuration as detailed on page 29 When using the dBi HART PC Lite software keypad input can be achieved by using a mouse or similar device to place the cursor over the relevant key followed by a left click with numeric detail being entered directly from the PC keyboard Once dBi HART PC Lite has successfully conne...

Страница 35: ...ts P104 mA Gives current value of the mA Output and how full the vessel is in percentage Set Empty Distance Allows the Empty Distance to be set Set Span Allows the Span to be set which will determine the range of the 4 to 20mA output with 4mA representing 0 empty and 20mA representing 100 full Range Shows the maximum range that can be measured by the dBi Series Intelligent Transducer that is curre...

Страница 36: ...t Get Will read and display the current value of the parameter selected along with the units of measurement where used and the description of the parameter selected Select the desired parameter form the drop down Parameter box and click Get ...

Страница 37: ...low and high current levels can be trimmed by altering Set 4mA P838Low Trim and Set 20mA P839 High Trim To do this simply enter the value that ensures that 4 mA or 20 mA respectively are shown on the remote device Communication Port Configuration If the dBi HART PC Lite fails to connect to the dBi Series Intelligent Transducer you may need to change the communications port that is being used to do...

Страница 38: ...rameters are at their default values by completing a Factory Defaults P930 as described in Chapter 5 Parameter Guide Once you are satisfied with the installation and the dBi Series Intelligent Transducer is reading what you would expect in terms of distance from the face of the transducer to the material level then you can proceed with any programming required for the intended application It is se...

Страница 39: ... from the default value would be if you wish to ignore close in obstructions Far blanking P108 is the distance as a percentage of empty level beyond the empty level that the dBi Series Intelligent Transducer will read the default is plus 20 of empty level If you wish to monitor further than the empty level then increase this figure so that the empty level plus the far blanking figure as of empty l...

Страница 40: ...a value Setting Security Passcodes A passcode is used to protect parameter entries and will be required when accessing parameters with certain PC Software s You can set a new passcode to prevent anyone changing any of your settings within your dBi Series Intelligent Transducer The default passcode is 1997 but this may be changed as follows Additional Information The passcode is also used for remot...

Страница 41: ...the software revision and the units serial number Checking the Software Revision and Serial Number If you need to identify the serial number of the unit or the current level of software in your dBi Series Intelligent Transducer the following parameters can be used Select parameter P926 to view the identity of the current software revision or P928 for the serial number of the unit ...

Страница 42: ...Page 34 ...

Страница 43: ... Description 1 Distance Display shows the distance from the transducer face to the surface 2 Level Default Display shows how full the vessel is 3 Space Display shows how empty a vessel is 4 Volume Display shows volume of material in the vessel P102 Material This parameter should be set to the type of material being monitored Option Description 1 Liquid Default Use for liquids and flat solid materi...

Страница 44: ... parameter should be set to the maximum distance from the Empty Level P105 to the maximum material level It is automatically set to be equal to the Empty Level P105 less the Near Blanking distance P107 when you set the empty level Default dBi 3 2 80m 9 19 feet dBi 6 5 70m 18 70 feet dBi 10 9 70m 31 82 feet and dBi 15 14 5m 47 57 P107 Near Blanking Distance This parameter is the distance from the f...

Страница 45: ...e conditions seen by the Temperature source P852 in ºC All of these parameters are read only and cannot be changed though if P852 is changed they will be reset P580 Minimum Temperature This parameter displays the minimum temperature recorded P581 Minimum Temperature Date This parameter displays the date when the minimum temperature was recorded P582 Minimum Temperature Time This parameter displays...

Страница 46: ... This parameter displays the last date on which the power was removed from the unit P942 Last Power Off Time This parameter displays the last time on which the power was removed from the unit P943 Last Run Time minutes This parameter displays how long the unit had been running in minutes prior to the last power down P944 Last Run Time hours This parameter displays how long the unit had been runnin...

Страница 47: ...P603 Vessel Shape P600 Value Dimensions Required P600 0 Cylindrical Flat base Default Cylinder diameter P600 1 Rectangular Flat base Width and Breadth P600 2 Cylindrical Cone base Cylinder diameter and height of bottom P600 3 Rectangular Pyramid base Width and Breadth of rectangular section and height of bottom P600 4 Cylindrical Parabola base Cylinder diameter and height of bottom P600 5 Cylindri...

Страница 48: ...ion and height of bottom P600 8 Horizontal cylinder with flat ends Cylinder diameter and tank length P600 9 Horizontal cylinder with parabolic ends Cylinder diameter length of one end section and tank length P600 10 Sphere Sphere diameter P600 11 Universal Linear No dimensions required level and volume breakpoints used P600 12 Universal Curved No dimensions required level and volume breakpoints us...

Страница 49: ... P600 5 Cylindrical Half sphere base Cylinder Diameter P600 6 Cylindrical Flat sloped base Height of base Cylinder Diameter P600 7 Rectangular Flat sloped base Height of base Width of rectangle Breadth of rectangle P600 8 Horizontal cylinder with flat ends Length of Cylinder Cylinder Diameter P600 9 Horizontal cylinder with parabolic ends Length of Cylinder Cylinder Diameter Length of one end sect...

Страница 50: ...6 US Gallons Volume will be totalised in US Gallons 7 Cubic feet Volume will be totalised in cubic feet 8 Barrels Volume will be totalised in barrels P606 Correction Factor This parameter is used to enter a correction factor when required such as the specific gravity of the material so that the volume calculated is relative to the actual amount of material that can be contained between empty level...

Страница 51: ...essel changes shape In the case of the universal curved enter values around each arc tangent as well as at the top and bottom You must enter at least two pairs and you can enter up to 16 pairs Universal Linear P600 11 This volume calculation creates a linear approximation of the level volume relationship and works best if the vessel has sharp angles between each section Level Volume You should ent...

Страница 52: ...airs between 2 and 16 P696 Reset Breakpoints This parameter allows the resetting to the default value of all previously set breakpoints P610 673 without having to access them individually When it is necessary to reset or amend particular breakpoints this can be achieved by directly accessing the desired parameter P610 673 and changing as required P697 Number of Breakpoints Set This parameter allow...

Страница 53: ...vice that is connected P839 mA High Trim If the device you are connected to is not calibrated and not showing the high value then you can trim it using this parameter You can either type in the offset directly or use the arrow keys to move the output up and down until you get the expected result on the device that is connected P808 Fail safe Mode By default if a fail safe condition occurs then the...

Страница 54: ...added to the level as derived from the transducer and will affect everything including the reading on the display the relay setpoints and the mA output P852 Temperature Source Default 1 This parameter determines the source of the temperature measurement By default it is set to internal transducer P852 1 which will automatically detect the temperature from the transducer If for any reason no temper...

Страница 55: ... several times then adjust the Sound Velocity accordingly to obtain an accurately displayed reading Gas Sound Velocity Chlorine 206 m sec Argon 308 m sec Oxygen 316 m sec Air 331 5 m sec Ammonia 415 m sec Methane 430 m sec Helium 435 m sec Neon 965 m sec P645 Vapour Temperature Compensation The sound velocity in air increases or decreases at a uniform rate of 60cm sec per o C however in atmosphere...

Страница 56: ... parameter determines the width of gate to be used in tracking an echo and under normal circumstances will not require changing but it can be increased in the cases where the surface is moving extremely fast in excess of 10m min to ensure smooth processing of the changing level P884 Peak Percentage When P102 2 Solids this parameter can be used to determine the point at which the the measurement is...

Страница 57: ...nged P928 Serial Number This parameter will display the serial number of the unit P930 Factory Defaults This parameter resets all parameter values to the original Factory Set values that were installed when the unit was tested before despatch to you To reset parameters Set P930 to 1 Date Time The date and time is used to control specific relay functions and date stamp certain events that are conta...

Страница 58: ...ATEM This parameter allows DATEM to be reset to its default value To reset DATEM to its default value set parameter value to 1 the trace will then be set to its default value and then update as normal P021 Set Dist Allows the user or service personnel to determine which echo is to be displayed On start up if the unit displays an incorrect reading then simply enter the distance from the transducer ...

Страница 59: ...ons Please consult Pulsar for further information and assistance on changing the value of this parameter P906 Side Clearance This parameter is used to set the distance by which the DATEM trace will stand off from around unwanted echoes such as obstructions Please consult Pulsar for further information and assistance on changing the value of this parameter ...

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Страница 61: ...k material level is not out of range sensor is perpendicular to material surface Incorrect reading being obtained for current level Measure actual distance from transducer face to surface of material Access P21 via PC Software type in the measured distance and Set Parameter 4 20ma current fixed even though level is changing Poll address is above 0 and is in multi drop mode Material level is consis...

Страница 62: ... Description Default 1 2 3 4 5 P580 P581 Minimum Temperature Read Only P581 Min Temperature Date Read Only P582 Min Temperature Time Read Only P583 Maximum Temperature Read Only P584 Max Temperature Date Read Only P585 Max Temperature Time Read Only P586 Current Temperature Read Only Transducer Power Information Parameter Details Entered Values No Description Default 1 2 3 4 5 P940 P581 Number of ...

Страница 63: ...reakpoint 2 0 00 P613 Volume Breakpoint 2 0 00 P614 Level Breakpoint 3 0 00 P615 Volume Breakpoint 3 0 00 P616 Level Breakpoint 4 0 00 P617 Volume Breakpoint 4 0 00 P618 Level Breakpoint 5 0 00 P619 Volume Breakpoint 5 0 00 P620 Level Breakpoint 6 0 00 P621 Volume Breakpoint 6 0 00 P622 Level Breakpoint 7 0 00 P623 Volume Breakpoint 7 0 00 P624 Level Breakpoint 8 0 00 P625 Volume Breakpoint 8 0 00...

Страница 64: ...o Description Default 1 2 3 4 5 P834 Low Level 0 000 P835 P581 High Level Model Dependant P838 Low Trim 0 00 mA P839 P581 High Trim 0 00 mA P808 P581 Fail Mode 1 Known P809 Fail Time 2 0 mins Fail Mode Parameter Details Entered Values P808 P581 Fail Mode 1 Known P809 Fail Time 2 0 mins COMPENSATION Parameter Details Entered Values No Description Default 1 2 3 4 5 P851 Measurement Offset 0 000 P852...

Страница 65: ... 4 5 P881 Fixed Distance 0 2 metre P884 Peak Percentage 50 SYSTEM Parameter Details Entered Values No Description Default 1 2 3 4 5 P921 Enable Code 1 Yes P922 Passcode 1997 P926 Software Revision Read Only P927 Hardware Revision Read Only P928 Serial Number Read Only P950 Save Trace on LOE 2 DATEM Parameter Details Entered Values No Description Default 1 2 3 4 5 P905 Peak Clearance 80 millivolts ...

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