MicroScan User Manual - SOLID APPLIED TECHNOLOGIES LTD
Contents
1. Figure 6 Non Intrinsically Safe Negative Ground Connection MicroScan User s Manual Power Supply and Load Resistance Recommendations The following table specifies the recommended resistance range for each power supply voltage Non Intrinsically Safe Power Supply Minimum Current Maximum Current BETEN on Resistor on Resistor Ripple Noise Parameters Recommended for the Power Supply The following ripple noise parameters are recommended for the power supply For less than 15 V 75 mV p p max For more than 15 V 100 mV p p max Setting Up and Calibrating MicroScan CHAPTER 3 Chapter 3 Setting Up and Calibrating MicroScan This chapter explains how to set up and calibrate MicroScan for accurate measurement monitoring MicroScan is supplied with preprogrammed default settings making it ready for immediate operation There is no need to change the default settings unless you wish to calibrate MicroScan for your specific requirements however it is recommended that you replace the default tank height value with the actual tank height as described on page 21 When using MicroScan the tank height is calculated as the distance from the surface of the sensor to the bottom of the tank You should enter this value whenever tank height is required MicroScan contains nine programs referred to as functions which enable you to change the default settings and calibrate MicroScan as required Changing the setting is av2. height value enter 00 01 and continue as follows Press Action Display Explanation m 00 07 Insert this code to enter the Blocking Distance area on odh This message will flash for a few seconds indicating an entry to the Blocking Distance area For example To shift the blocking 00 75 7c distance to 0 75m 2 46 ft To save this entry and return to Pr O2 NOTES The Blocking Distance shifting is limited to 1 5m 4 9ft Echo received from the defined Blocking Distance area will be ignored by the MicroScan and the measurement result will be based on the next echo Pr 09 Clear will revert the blocking distance to its default Setting Up and Calibrating MicroScan CHAPTER 3 Verifying the Version Number In addition to the functions described you can verify the MicroScan version number gt To verify the MicroScan version number Follow the directions given for Entering the Tank Height Value page 22 Instead of entering the tank height value enter 00 17 and continue as follows Press Action Display Explanation Ei After a brief Addr pause gt on Displays the version number Defining 22mA Signal Error Messages MicroScan allows you to define if the following signal error indications Near Zone and Lost Echo will be active when the current output reaches 22mA The MicroScan default setting disables 22mA analog current and error messages from appearing on the MSU or MicroSca
3. supply 44 MicroScan User s Manual 20 mA mark 32 4 mA mark 30 Blocking distance shift 38 Buttons function 22 Default settings restoring 40 Defining working area 35 Defining 22mA signal error messages 41 Dimensions 2 Distance measurement display 36 Dynamic low high speed 34 Electrical specifications 4 Entering factor for gas compensation 38 Index False echoes 28 Function buttons 22 Functions accessing 24 menu 24 H High dynamic setting 34 i Installing MicroScan 7 threaded flange mounting 8 thread free flange mounting 8 via extension pipes 10 Interfering signals 28 Intrinsically safe ground connections 15 power supply 19 L Level measurement display 36 Load resistance recommendations 14 19 Low dynamic setting 34 M Measurement distance display 36 level display 36 Measuring ranges 3 Mechanical specifications 4 MicroScan dimensions 2 measuring ranges 3 models 1 resetting 25 setting up 20 specifications 3 Non intrinsically safe ground connections 13 power supply 14 P Power supply recommendations 14 19 ripple noise parameters 14 Precautions 6 Remote monitoring 20 mA 32 4 mA 30 Resetting MicroScan 25 Restoring default settings 40 Ripple noise parameters 14 S Sensors recommended types 5 Setting up 20 Settings restoring default 40 Shift blocking distance 38 Signals interfering 28 S
4. the dead zone area NOTE If the device enters the blocking distance dead zone it will not measure correctly Positioned at least 0 5 m 1 64 ft away from the tank walls Perpendicular to the surface of the target Even the slightest difference in angle may affect echo quality MicroScan User s Manual Placed as far as possible from noisy areas such as a filling inlet Installing MicroScan on Threaded Flange Thread Free Flange MicroScan is available in two thread types 2 BSP or 2 NPT MicroScan can be installed with threaded flange mounting or with thread free flange mounting as shown below Figure 3 Threaded Flange Thread Free Flange Mounting Installing MicroScan CHAPTER 2 NOTES When installing a thread free flange mounted unit you will need a 2 locking nut to secure the unit inside the tank When installing a threaded flange ensure that it matches the MicroScan threads gt To install MicroScan 1 Insert the threaded end of MicroScan into the aperture at the top of the tank or pipe 2 Bolt MicroScan into place in one of the following ways Threaded flange mounting Screw the unit into a flange with a threaded 2 hole Thread free mounting Place MicroScan in the flange and bolt it from within the tank with a 2 locking nut s Tighten the nut by hand only When tightening the nut hold the sensor housing refrain from holding the MicroScan unit
5. when tightening the nut Make sure that the seal is leak proof MicroScan User s Manual Installing MicroScan via Extension Pipes If the level of the measured surface falls within the dead zone area you should use an extension pipe to mount MicroScan When using an extension pipe ensure that The sensor is positioned in the center of the pipe The pipe extension is parallel to the side tank walls The internal pipe diameter is at least 3 wide When installing the MicroScan with extension pipes follow these specifications Pipe Length Internal Pipe Diameter osomiest J o oo m6280 L oo S NOTE It is always recommended to use interference signal feature Pr 03 to locate interfering signals when using an extension pipe It is highly recommended that the extension pipes material would be PVC or Plastic and not Stainless Steel Installing MicroScan CHAPTER 2 Connecting the MicroScan to a Power Cable Unscrew the four Allen screws from the MicroScan front door Detach the front door from the MicroScan unit Remove the rubber sealing from the conduit entry Thread the power cable through the conduit entry Remove the plastic shell from the power cable Coo fF WO N Connect the 24VDC wire to Terminal 1 connect the OVDC GND wire to Terminal 2 on the wiring block Make sure that the terminals screws are properly fastened oo Attach the front door to the MicroScan unit 9 Screw the fo
6. ER MicroScan User s Manual This manual is delivered subject to the following conditions and restrictions This manual contains proprietary information belonging to Solid Applied Technologies Ltd Such information is supplied solely for the purpose of assisting explicitly and properly authorized users of MicroScan No part of its contents may be used for any other purpose disclosed to any person or firm or reproduced by any means electronic or mechanical without the express prior written permission of Solid Technologies Ltd The text and graphics are for the purpose of illustration and reference only The specifications on which they are based are subject to change without notice Information in this document is subject to change without notice Corporate and individual names and data used in examples herein are fictitious unless otherwise noted Copyright 2004 All rights reserved MicroScan is a trademark of Solid Applied Technologies Ltd Other company and brand products and service names are trademarks or registered trademarks of their respective holders Software Version Catalog Number Feb 2004 4 09 English 6800200 Safety Guidelines itt Safety Guidelines MicroScan must be installed connected and operated according to the instructions in this Manual If installed incorrectly or used for applications for which it is not intended application related dangers may arise Only qualifie
7. ailable using the MicroScan Setup Unit MSU The MSU is a hand held device that enables you to enter the MicroScan functions and menus and set it up according to your application requirements You can use the MSU to calibrate numerous MicroScan units in the field 16 6 MicroScan User s Manual To facilitate the MicroScan unit set up and configuration mount the MSU on top of the unit placing its four plastics pins on board the four screw holes of the MicroScan s front door as illustrated below Make sure that the MSU is properly situated on the MicroScan unit Figure 7 MSU mounted on the MicroScan unit Setting Up and Calibrating MicroScan CHAPTER 3 The MicroScan functions are accessed from a functions menu The functions Pr01 Pr02 Pr04 and Pr05 are the most important to ensure correct usage of your MicroScan device Function Pr03 is essential to eliminate interfering signals and false echoes that may exist inside the tank and sometimes are not visible to the human eye The remaining functions Pr06 Pr07 Pr08 Pr09 enable you to customize MicroScan for your monitoring requirements or to restore factory default settings NOTE Pr06 function is available only for MicroScan liquid models The diagram below shows the functions available in the functions menus for the MicroScan L and S models aE Pr Reset bed Pr fe Pr 03 P A Pr 05 E Tank Interfering Signals _ bLow High
8. ce nn Level Figure 8 MicroScan Functions Menus 18 8 MicroScan User s Manual MicroScan has an optional LCD display screen that enables you to view continuous updated measurement readings or by using the MSU s MicroScan Setup Unit LCD display screen The display screen is used to view MicroScan s menu options function settings and data values accessed by using the MSU s function buttons The picture below shows the MSU LCD display and function buttons LCD display Next button Enter button Escape button Back button Figure 9 MSU Display and Function Buttons NOTE S When mounting the MSU on a MicroScan unit incorporating an LCD display measurement results will be viewed only on the MicroScan display the MSU display will not function Setting Up and Calibrating MicroScan CHAPTER 3 The function buttons are used to perform various operations summarized in the following table Uses Include Accessing the functions menu when pressed simultaneously with ss Selecting functions Progressing to the next step of a function Moving from left to right between displayed digits see note on the following page Saving changes to data Scrolling through the functions menu Scrolling through available data values in functions NEXT button only Recording interfering Accessing the functions menu when pressed simultaneously with n Exiting the functions menu to restore the distance rea
9. ction enables you to do a reset refreshing the MicroScan measurement reading Other saved function settings are not changed After resetting a default reading is displayed on the MSU s or the MicroScan s display depending on the model LCD and MicroScan begins to scan similar to disconnecting the unit from the power supply The reset function may sometimes be required after changing one of the MicroScan s settings or after receiving an error message NOTE S gt When the display shows 8 8 8 8 the 4 20mA current reading will be around 28mA 22 2 MicroScan User s Manual gt To reset MicroScan Press Action Display Explanation gt PG Required menu selection on 2999898 Temporary display while MicroScan takes reading After a brief For example Distance reading pause JELI Returns to the functions menu gt amp and simultaneously Entering the Tank Height Value The Pr02 function enables you to enter the tank height The default value is the highest value in the relevant measurement range for your model If you enter a value that exceeds this highest value the Err error message is displayed and the value is not saved Whenever the tank height is required you should enter the distance from the surface of the sensors to the bottom of the tank The first digit can be modified to read between 0 and 1 for metric units or between 0 and 5 for feet units Setting Up and Calibra
10. d personnel are authorized to install and operate MicroScan Do not open the MicroScan unit If the unit is opened the warranty is null and void Modifications and repairs to MicroScan are permissible only when the manufacturer expressly approves them iv MicroScan User s Manual Table of Contents Chapter 1 Introducing MICrOSCAN cccccceessssccccccssssssceseeeees 1 MICFOS Cal SPECIICALIONS csicsa aaa E E aevaveouaag 3 Measure RINGO S ee e a a a wiouckaconatacees 3 Mechanical Sp cifications srnunos ar a E a 4 FICCI IGal SDECIIICALIOINS nnna a A una Peacuneds 4 MSU MicroScan Setup Unit Specifications scccccccccsssssssssssssseseees 4 Sensor RECOMMENGAtONS ees secastreeh rons sacar season colldeian Samra tomate ceteiees 5 Chapter 2 Installing MicroScan ccccccccsessssscecccesssssseeeeeeees 6 PRE CAUUIONS siose cost ucasicaccecelassocusicawdectndcamaceebesuoeupicisenetestaes 6 Installine Micros Caissier oesie ran aE A o ERTEAN EE IEE tes 7 Installing MicroScan on Threaded Flange Thread Free Flange 8 Installing MicroScan Via Extension PIPES ccccccsseecceeeeececaeeeeeeeaeeees 9 Connecting the MicroScan to a Power Cable ccccecccccsseeceeeeeeeeees 11 Connecting the MicroScan to the MSU ceeeeeccceececeeeeeeeeeeeeeeeeeeeees 12 Non Intrinsically Safe Connections sssnnssoeesssennssseensseensseessserrsssene 13 Chapter 3 Setting Up and Calibra
11. ding Moving from right to left between displayed digits see note on following page Exiting a function without saving changes Clearing error messages signals see page 24 20 MicroScan User s Manual NOTE Within some functions the digits in the displayed value can be individually modified This is indicated by a flashing digit flashing digits are shown in gray in the display illustrations for example 03 50 In this case the ENT and ESC buttons enable you to move between the digits Each flashing digit can be modified using the BACK and NEXT buttons gt To start up MicroScan and access the functions Press Action Display Connect the MSU to the MicroScan unit following the connection Instructions described on Chapter 2 Connect the MicroScan unit 6 6 8 6 to power supply After a brief pause JCE and c simultaneously M M For example For example Explanation Temporary display while MicroScan takes a reading Distance reading Enters the functions menu Setting Up and Calibrating MicroScan CHAPTER 3 gt Used to search for the required menu selection or gt NOTES SF If an error message Err appears press the ESC button to return to the main menu Accesses the selected function Values are displayed in meters and centimeters or feet and inches according to the version of MicroScan Resetting MicroScan The PRO1 fun
12. gits 7 segments Keyboard 4 buttons Cable 0 60m 23 6in Housing material ABS UV Dimensions 9 5X11X2 5cm 3 7X4 3X0 98 in Weight 0 25 Kg 0 55 Ib Certifications CE Introducing MicroScan CHAPTER 1 Material Stainless Steel Coated Aluminum Description For liquid applications High resistance in highly acidic and alcoholic environments Less sensitive to echoes in Solid applications Designed for complex environments with problematic echoes such as non conductive vapors solids or liquids Good performance in problematic applications High sensitivity to echoes EZ MicroScan User s Manual Chapter 2 Ensure that MicroScan is mounted in an area that meets the stated temperature pressure and technical specifications Ensure that high voltage sources or cables are at least 1 m away from the sensor and its cable Use a conduit connector that is either 1 2 NPT or M20x2 5 compatible depending on the MicroScan model you have to ensure the unit remains sealed Use 26 16 AWG round wires for the MicroScan s electrical connections Ensure that cables are routed correctly and tightened along walls or pipes Installation and operation of this product should be performed according to the Product User Manual and Product Certification otherwise the use of this product is prohibited Installing MicroScan CHAPTER 2 When installing MicroScan ensure that it is Mounted above
13. ignal error messages 41 Specifications 3 electrical 4 mechanical 4 Speed mode 34 T Table for gas compensaion factor 67 Tank height value 26 Trapezoidal Cipolletti Sharp Crested Weir 48 58 Troubleshooting 64 V Version number displaying 41 W Working Area 35
14. ill not influence the measurement mode selected for the display Pr 08 In case of power rest measurement configuration level distance will be saved according to the unit s last configuration 30 MicroScan User s Manual Pr O5 Configuring 20mA Current Output The Pr05 function enables you to enter values to be used as the 20mA mark for remote monitoring gt To enter 20mA values z N pet re lt Press Action ocd Or 04 00 x je z E i Explanation Required menu selection Last saved 20mA level or default value maximum value in range Used to enter a new value as described on To save the new value press when standing on the far right digit After YES is displayed the display returns to the functions menu Setting Up and Calibrating MicroScan CHAPTER 3 Press Action Display Explanation sc To return to the main menu without saving press c when standing on the far left digit NOTES Type of measurement level distance selected in Pr 04 is also applicable for Pr 05 The values for 4mA and 20mA must be different otherwise an Err error message is displayed The values for 4mA and 20mA should not be higher than the value used for the tank height Pr02 and should not be lower than the dead zone value The first digit of the 20mA value can be modified to read between 0 and 1 for metric units or between 0 and 5 for U S Standard uni
15. n Select 4mA and 20mA values format Level L000 Distance d000 Last saved 4mA level or zero default value Used to enter a new value as described on page 19 Setting Up and Calibrating MicroScan CHAPTER 3 Press Action Display Explanation a YES To save the new value press om when standing on the far right digit After YES is displayed the display returns to the functions menu sc To return to the main menu without saving press E when standing on the far left digit NOTES S gt The values for 4mA and 20mA must be different otherwise an Err error message is displayed The values for 4mA and 20mA should not be higher than the value used for the tank height Pr02 and should not be lower than the dead zone value Because of the dead zone the distance between the sensor and the surface of the target at its highest level should be a minimum of 0 6 ft 0 2 m for Short Range models or 1 96 ft 0 6 m for Standard Range models The first digit of the 4mA value can be modified to read between 0 and 1 for metric units or between 0 and 5 for U S Standard units After accessing the Pr04 function the unit generates a fixed current of 22mA on the 4 20mA line When the MicroScan reverts to regular scanning mode the 4 20mA line returns to regular functioning The default values for 4mA and 20mA in Solid and Liquid MicroScan models are level The measurement mode selected for the 4 20mA values w
16. n LCD display Near Zone whenever the distance is below the defined Dead Zone depending on the MicroScan model you are using FEEF message will be displayed on the MicroScan s LCD Lost Echo whenever the echo is lost or in cases when the 40 MicroScan User s Manual measurement results exceed the tank height or when a returned echo is not received E66 message will be displayed on the MSU or MicroScan LCD You can choose to enable or disable these error messages and 22mA analog signal as follows d000 Disable default setting E000 Enable Refer to Chapter 4 Troubleshooting for a detailed list of the 22mA signal error messages gt To enable 22mA signal error in the MicroScan Follow the directions given for Entering the Tank Height Value page 22 Instead of entering the tank height value enter 00 16 and continue as follows Press Action Display Explanation CO Choose enable or disable Used to toggle between the modes Yeo Enables the 22mA error messages Troubleshooting MicroScan CHAPTER 4 Chapter 4 Troubleshooting MicroScan This chapter describes how to resolve problems that may occur when calibrating MicroScan as follows Noise in area Check that the power supply is appropriate Faulty power supply Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing MicroScan If the problem persists replace the power sup
17. n ae biekayenees 2 Figure 2 Side View of MiCrOSCaAN sperrer ere a a a ATE 2 Figure 3 Threaded Flange Thread Free Flange Mounting csecceeeeeeeeeaees 8 Figure 4 MicroScan Power Connections sssessesessesersessesersesesseseesessesesseseese 11 Figure 4 1 MSU Communication COnnector s essssessesesseseesessesersesessesersesseseo 12 Figure 5 Non Intrinsically Safe Positive Ground Connection cccceeeceeeees 13 Figure 6 Non Intrinsically Safe Negative Ground Connection 0ccceeees 13 Figure 7 MSU Mounted on the MicroScan UNit cccccceceeecceeeseeseeeeeeeeeseeeeas 16 Figure 8 MicroScan Functions Menus icc satiate tier venient I7 Figure 9 MSU Display and Function Buttons cccccecccceeseecceeeeeeeeaeeeeeeaees 18 Figure 10 Scan Distance ProcesS esessesssesssseseesessesersessesessesersessesesersesseseo 24 Feurer WOK AC eea A E 33 Introducing MicroScan CHAPTER 1 Chapter 1 MicroScan is an ultrasonic non contact level measurement device of mono block construction combing the sensor and electronic components in a single unit MicroScan provides reliable and precise level measurement results of both liquids and solids It can be used for the following measurement tasks Liquid tanks with calm surfaces Solids tanks that are dust free MicroScan has a range of up to 5 m 16 5 ft with an accuracy of approx 0 25 within that range MicroScan is available i
18. n two configurations MicroScan with no display and no keyboard Blind unit MicroScan with optional display but without keyboard The following models are available for each configuration MicroScan L for liquids MicroScan S for solids MicroScan User s Manual The following diagrams show the front and side views of MicroScan and its dimensions Figure 1 Front View of MicroScan Figure 2 Side View of MicroScan Introducing MicroScan CHAPTER 1 Accuracy 0 25 of measuring range Resolution 1 mm 0 04 Beam angle 5 3db point Ambient temp Automatic compensation 0 25 or 1 25cm whichever is greater MicroScan L for liquids 0 25m 5m 0 8 ft 16 4 ft MicroScan S for solids 0 25 m 3 5m 0 8 ft 11 5 ft Enclosure IP 65 mono block construction Plastic enclosure ABS UV Wetted parts Sensor body PolyProp PVDF optional Stainless Steel for Liquid model Coated Aluminum for Solid Liquid model Operating 40 C to 70 C temperature 40 F to 158 F Mounting 2 BSP or 2 NPT Ea MicroScan User s Manual Mechanical fitting Conduit connection M20x2 5 or 1 2 NPT Operating pressure Atmospheric Dimensions 22 3 x 11x 4 5cm 8 7 x 4 3x 1 7in Weight Approx 0 75Kg 1 65Ib Optional Display LCD four digits seven segments Operation Four push buttons Loop current 4 20 mA 750 Q 28 VDC Supply 12 28 VDC CE certified Certificates CE EMC Display LCD 4 di
19. of the MicroScan depending on the MicroScan model The default setting is the entered tank height Figure 11 Defining Working Area 34 MicroScan User s Manual gt To define a Working Area Press Action Display a g for example 04 00 SES Explanation Required menu selection Displayed when entering the function Displays the value last saved in the tank height default To overcome conical shaped tanks enter a value that is up to double the tank height The entered value should not be more than double the tank height and should not exceed the MicroScan s maximum measuring range Used to enter a new value as described on page 19 Saves the entered value Setting Up and Calibrating MicroScan CHAPTER 3 Press Action Display Explanation Used to move on to the next function NOE SS It is recommended to use the Pr 07 function only in Distance mode Selecting Distance or Level Display The Pr08 function enables you to view either distance or level measurements on the MSU or MicroScan LCD display depending on the model There are two settings available d000 Distance mode default setting In this mode MicroScan displays the distance from the sensor to the surface of the contents L000 Level mode In this mode MicroScan displays the level of the contents from the bottom of the tank Sy The measurement mode selected for the display
20. ply 6544 Sensor disconnected Contact the distributor for further instructions Any combination of three 8s Contact the distributor for and one 1 Indicates an further instructions electrical shortage caused by depressing the buttons for too long 42 MicroScan User s Manual 5988 Appears for several seconds Make sure that the power after restarting the unit If it supply corresponds with the is displayed for more than specifications described in several seconds it may be Chapter 2 Installing due to one of the following MicroScan If the problem persists replace the power Power supply voltage is supply too low Load resistor resistance is too high or unnecessary A random pulse that causes the unit to automatically restart 22mA Signal Error Messages The following list of messages will appear on the display and coincides with a 22mA analog current error output signal Description Solution 5544 Sensor disconnected Contact the distributor for further instructions Near dead zone Move the sensor farther from the dead zone area Tank empty Check the level of material in the tank Noise in area Check that the power supply is appropriate Troubleshooting MicroScan CHAPTER 4 Faulty power supply Make sure that the power supply corresponds with the specifications described in Chapter 2 Installing MicroScan If the problem persists replace the power
21. represents the real target real distance press ENT Setting Up and Calibrating MicroScan CHAPTER 3 Pr 84 Configuring 4mA Current Output Pr04 function enables you to enter values to be used as the 4mA mark for remote monitoring You can define the 4mA values for Level or Distance measurements The measurement values types should be defined in Pr 04 These definitions will be applicable for the 20mA values defined in Pr 05 as well Distance and level measurements can be defined for both Solid and Liquid MicroScan models To set 4mA and 20mA for level measurements you should configure Pr04 and Pr05 for level values For example if we measure a tank with tank height configured for 4 meters the 4mA values will represent zero tank level and 20mA values will represent full tank level Therefore the value entered in Pr04 will be 0 000m and the value entered in Pr05 will be 4 000m When setting 4mA and 20mA for distance measurements 4mA values will represent the minimal distance between the surface of the target and the sensor and 20mA values will represent the maximal distance between the sensor and the surface of the target Therefore 4mA and 20mA in this mode represent the empty part of the tank 28 8 MicroScan User s Manual gt To enter 4mA values Press Action gt Or Display Prag For example Logg coos For example UG 00 Explanation Required menu selectio
22. ting MicroScan ssee0 15 Using MICFOSCan FUNCTIONS ensnare asis 18 RESCUING MiICroS Caesia aes u E a a S 21 Entering the Tank Height Value cssssssssssseccecssssssssssssccscssscsesseseeees 22 Defining Interfering Signals ssissssssisccsisssieccssasecosssesssaacivssvedsasaseecesaasadsvsesacassse 24 Configuring 4 mA Current Output sessoooooeseeessssssssssssosossooosceecessssssssssssoo 27 Configuring 20 MA Current Output cccssesssssssssccrceceessssssssssssssseses 30 Selecting Low High Dynamic Speed Open Channels and Liquid Only 32 Table of Contents Detinin VW OFKINg Alea xidsscissseientaniesces vatediaeiesecves sates seuubehiebevabeedes N 33 Selecting Distance or Level Display csssssssssesssssessssssseeeeeeeessssssees 35 Restoring the Default Settings cccssssssssssssssssssssssssesessscessssssssssssoees 37 Shifting the Blocking Distance sccccccccccssssssssssssssscssssssscceceeeseeesseees 38 Verifying the Version Numbet ssssscccsssssssssssssssccessssssssssssssscsooonsnsccseees 39 Defining 22MA Signal Error Messages sssssssssssssssseeceecesssssssscssssseeeee 39 Chapter 4 Troubleshooting MicroScan sssssssceccssseesssseees 41 22mMA Signal Error Messages osteo eet cca hte saci Se ah dalhaaoian st 42 vi MonoScan User s Manual Table of Figures Figure 1S Front VIEW Ol MICOS CAMs tial ice ctsie a e
23. ting MicroScan CHAPTER 3 gt To enter the tank height value Press Action Display Explanation Oe Required menu selection H nn Indicates the measurement unit either meters or feet v X according to the MicroScan version For example Displays last saved tank g4 og height or default value maximum value in range Used to enter a new value or as described on 3 O To save the new value press em when standing on the far right digit After YES is displayed the display returns to the functions menu To return to the main OR gt amp menu without saving press ssc when standing on the far left digit 24 MicroScan User s Manual Defining Interfering Signals The Pr03 function enables you to locate and store up to four interfering signals false echoes in the MicroScan memory to avoid having obstructions such as a tank agitator sidewall or any other obstructions that are not visible to the human eye and may interfere with the measurement of the contents This function is essential to obtain accurate measurement results and therefore it must be activated prior to the completion of the unit s installation Defining interfering signals should be done while the tank is empty Echo amplitude Memory stored interences Real echo Distance Figure 10 Scan Distance Process Setting Up and Calibrating MicroScan CHAPTER 3 Each reading scan distance taken
24. ts After accessing the Pr05 function the unit generates a fixed current of 22mA on the 4 20mA line When the MicroScan reverts to regular scanning mode the 4 20mA line returns to regular functioning Please refer to chapter 4 Troubleshooting for 22mA error indications 32 2 MicroScan User s Manual Selecting Low High Dynamic Speed Liquid Only The Pr06 function enables you to choose the required speed and accuracy level There are two settings available SE 0 Low dynamic mode default setting This mode enables more accurate measurements resulting in a slower filling rate SE 1 High dynamic mode This mode enables a faster filling rate providing less accurate measurement results gt To select the speed mode Press Action Display Explanation P 06 Required menu selection gt a SE a Displays the current or operation mode setting gt Used to toggle between the operations modes or gt om Yeo Saves the selected operation mode Setting Up and Calibrating MicroScan CHAPTER 3 Defining Working Area The Pr07 function allows you to add distance range that exceeds the tank s height thus enabling accurate readings of complicated tank shapes with conic ending This may be required when the vessel has a conical bottom shape which is causing false echoes and consequently faulty measurements The entered range can be from the minimum tank height to twice the maximum measuring range
25. ur Allen screws to the plastic door Figure 4 MicroScan Power Connections SS NOTE Make sure that the O Ring of the MicroScan s front door is properly positioned to maintain the unit sealed MicroScan User s Manual Connecting the MicroScan to the MSU MicroScan Setup Unit The MSU is an hand held device which enables you to configure the MicroScan unit according to your application requirements quickly and simply Once the MicroScan unit configuration is completed the MSU can be utilized to configure other MicroScan units The MSU should be connected to the MicroScan unit after connecting the unit to a power supply 1 Remove the plastic cap from the MSU connector located on the MicroScan unit the cap is chained to the MicroScan unit Remove the plastic cover from the MSU multi pin connector Attach the MSU male connector to the female connector on the MicroScan unit located on its left side panel Make sure that the connectors are in the right position and properly attached Rotate the plastic clasp on the MSU connector half way to the right to ensure the connectors are firmly closed Figure 4 1 MSU Communication Connector Installing MicroScan CHAPTER 2 Non Intrinsically Safe Connections Positive Ground A a Load resistor 4 20mA 24 DC supply Figure 5 Non Intrinsically Safe Positive Ground Connection Negative Ground 24 DC supply Load resistor 4 70mA
26. using the Pr03 function is stored as an interfering signal until a reading is achieved that indicates the real echo If four interfering signals are already stored and a fifth value is entered the first value stored is deleted and the new one saved NOTES S gt The reading of the actual target height may not be exact for example a target height of 4m may give a reading in the range 3 98 4 02 The displayed values are in distance units gt To define interfering signals Press Action Display Explanation gt P 03 Required menu selection SCH Select Search to locate acoustic interferences or Clear to delete stored ie interferences on UES Displayed after the selection for 3 seconds and then the menu returns to Pr 03 gt en oo S E Temporary display while MicroScan searches for interfering signals After a brief For example Depth to interfering signal pause a ef 26 6 MicroScan User s Manual Press Action gt NOTES Display For example 03 00 SES Explanation Saves the interfering signal then searches again and displays the next reading Continue to press this button to save up to four interference readings Actual target height reading indicates that there are no more interfering signals Saves the entered values S gt If the value represents an interference or false echo or false target press NEXT If the value
27. will not influence the measurement mode selected for the 4 20mA values Pr 04 36 MicroScan User s Manual gt To select distance or level display Press Action Display Explanation pP ag Required menu selection on dogg Displays the current ai distance level mode setting Logg Used to toggle between the modes or on Yeo Saves the selected mode Setting Up and Calibrating MicroScan CHAPTER 3 cy Lr The Pr09 function allows you to clear all user defined settings and revert to the default factory settings NOTE S gt If you decide that you do not want to revert to the default settings press ESC when CLCL is displayed A redo option is not available when ENT has been pressed gt To restore the default settings Press Action Display Explanation Required menu selection gt gt om gcs Reverts all settings to default factory settings 38 8 MicroScan User s Manual Shifting the Blocking Distance This function enables you to define an area in which measurement results would be ignored This option is applicable for installations requiring extension pipes or nuzzles positioned above the material level This area should fit the pipe nuzzle length to eliminate false echoes and to provide accurate and stable measurement readings gt To shift the blocking distance Follow the directions given for Entering the Tank Height Value page 22 Instead of entering the tank
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