MicroScan
User Manual
Page 1: ...MicroScan User Manual ...
Page 2: ... 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 20...
Page 3: ...ctly or used for applications for which it is not intended application related dangers may arise Only qualified 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 ...
Page 4: ...lling MicroScan on Threaded Flange Thread Free Flange 8 Installing MicroScan via Extension Pipes 9 Connecting the MicroScan to a Power Cable 11 Connecting the MicroScan to the MSU 12 Non Intrinsically Safe Connections 13 Chapter 3 Setting Up and Calibrating MicroScan 15 Using MicroScan Functions 18 Resetting MicroScan 21 Entering the Tank Height Value 22 Defining Interfering Signals 24 Configuring...
Page 5: ...cting Distance or Level Display 35 Restoring the Default Settings 37 Shifting the Blocking Distance 38 Verifying the Version Number 39 Defining 22mA Signal Error Messages 39 Chapter 4 Troubleshooting MicroScan 41 22mA Signal Error Messages 42 Index 44 ...
Page 6: ...oScan Power Connections 11 Figure 4 1 MSU Communication Connector 12 Figure 5 Non Intrinsically Safe Positive Ground Connection 13 Figure 6 Non Intrinsically Safe Negative Ground Connection 13 Figure 7 MSU Mounted on the MicroScan Unit 16 Figure 8 MicroScan Functions Menus 17 Figure 9 MSU Display and Function Buttons 18 Figure 10 Scan Distance Process 24 Figure 11 Working Area 33 ...
Page 7: ... 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 in two configurations MicroScan with no display and no keyboard Blind unit MicroScan with optional display but without keyboard The following mo...
Page 8: ...MicroScan User s Manual 2 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 ...
Page 9: ...ter Measuring Ranges MicroScan L for liquids 0 25 m 5 m 0 8 ft 16 4 ft MicroScan S for solids 0 25 m 3 5 m 0 8 ft 11 5 ft Mechanical Specifications 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 temperature 40 C to 70 C 40 F to 158 F Mounting 2 BSP or ...
Page 10: ...65lb Electrical Specifications Optional Display LCD four digits seven segments Operation Four push buttons Loop current 4 20 mA 750 Ω 28 VDC Supply 12 28 VDC CE certified Certificates CE EMC MSU Specifications Display LCD 4 digits 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 lb Certifications CE ...
Page 11: ...lications High resistance in highly acidic and alcoholic environments Less sensitive to echoes in Solid applications Coated Aluminum Designed for complex environments with problematic echoes such as non conductive vapors solids or liquids Good performance in problematic applications High sensitivity to echoes ...
Page 12: ...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 a...
Page 13: ...t is Mounted above 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 NOTE Even the slightest difference in angle may affect echo quality ...
Page 14: ...ng 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 ...
Page 15: ... 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 NOTES Tighten the nut by hand only When tightening the nut hold the sensor housing refrain from holdi...
Page 16: ... 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 0 50 m 1 64 ft 3 1 m 3 28 ft 3 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...
Page 17: ... the conduit entry 5 Remove the plastic shell from the power cable 6 Connect the 24VDC wire to Terminal 1 connect the 0VDC GND wire to Terminal 2 on the wiring block 7 Make sure that the terminals screws are properly fastened 8 Attach the front door to the MicroScan unit 9 Screw the four Allen screws to the plastic door Figure 4 MicroScan Power Connections NOTE Make sure that the O Ring of the Mic...
Page 18: ...croScan 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 2 Remove the plastic cover from the MSU multi pin connector 3 Attach the MSU male connector to the female connector on the MicroScan unit located on its left side panel 4 Make sure that the connectors are in the right positi...
Page 19: ...Installing MicroScan CHAPTER 2 13 Non Intrinsically Safe Connections Figure 5 Non Intrinsically Safe Positive Ground Connection Figure 6 Non Intrinsically Safe Negative Ground Connection ...
Page 20: ...ltage Non Intrinsically Safe Power Supply Voltage Minimum Current on Resistor Maximum Current on Resistor 12 V 0 Ω 50 Ω 15 V 0 Ω 220 Ω 24 V 41 Ω 610 Ω 28 V 68 Ω 820 Ω 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 ...
Page 21: ...ht 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...
Page 22: ...nd 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 ...
Page 23: ...rfering 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...
Page 24: ...en 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 Figure 9 MSU Display and Function Buttons NOTE When mounting the MSU on a MicroScan unit incorporating an LCD display measurement results will be viewed only on the MicroScan display the MSU di...
Page 25: ...t to right between displayed digits see note on the following page Saving changes to data Accessing the functions menu when pressed simultaneously with Exiting the functions menu to restore the distance reading Moving from right to left between displayed digits see note on following page Exiting a function without saving changes Clearing error messages or Scrolling through the functions menu Scrol...
Page 26: ...you to move between the digits Each flashing digit can be modified using the BACK and NEXT buttons To start up MicroScan and access the functions Press Action Display Explanation Connect the MSU to the MicroScan unit following the connection instructions described on Chapter 2 Connect the MicroScan unit to power supply Temporary display while MicroScan takes a reading After a brief pause For examp...
Page 27: ... PR01 function 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 th...
Page 28: ...2 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 NOTES 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 ca...
Page 29: ... according to the MicroScan version For example Displays last saved tank height or default value maximum value in range or or Used to enter a new value as described on page 19 OR To save the new value press when standing on the far right digit After YES is displayed the display returns to the functions menu To return to the main menu without saving press when standing on the far left digit ...
Page 30: ... 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 Figure 10 Scan Distance Pro...
Page 31: ...g 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 To define interfering signals Press Action Display Explanation Required menu selection or Select Search to locate acoustic interferences or Clear to delete stored interferences Displayed after the selection for 3 seconds and then the ...
Page 32: ...Continue to press this button to save up to four interference readings For example Actual target height reading indicates that there are no more interfering signals Saves the entered values NOTES If the value represents an interference or false echo or false target press NEXT If the value represents the real target real distance press ENT ...
Page 33: ... 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 measureme...
Page 34: ...ues Press Action Display Explanation Required menu selection or For example Select 4mA and 20mA values format Level L000 Distance d000 For example Last saved 4mA level or zero default value or or Used to enter a new value as described on page 19 ...
Page 35: ...he 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 rever...
Page 36: ...itoring To enter 20mA values Press Action Display Explanation Required menu selection For example Last saved 20mA level or default value maximum value in range or or Used to enter a new value as described on page 24 OR To save the new value press when standing on the far right digit After YES is displayed the display returns to the functions menu ...
Page 37: ...yed 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 units After accessing the Pr05 function the unit generates a fixed current of 22mA on the 4 20mA line When the MicroScan rever...
Page 38: ...ault 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 To select the speed mode Press Action Display Explanation Required menu selection or Displays the current operation mode setting or Used to toggle between the operations modes Saves the selected opera...
Page 39: ...omplicated 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 of the MicroScan depending on the MicroScan model The default setting is the entered tank height Figure 11 Defining Working Area ...
Page 40: ...ample 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 or or Used to enter a new value as described on page 19 Saves the entered value ...
Page 41: ...istance 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 NOTE The measurement mode selected for the displa...
Page 42: ...s Manual 36 To select distance or level display Press Action Display Explanation Required menu selection or Displays the current distance level mode setting or Used to toggle between the modes Saves the selected mode ...
Page 43: ... and revert to the default factory settings NOTE 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 To restore the default settings Press Action Display Explanation Required menu selection Reverts all settings to default factory settings ...
Page 44: ...ring the Tank Height Value page 22 Instead of entering the tank height value enter 00 01 and continue as follows Press Action Display Explanation Insert this code to enter the Blocking Distance area This message will flash for a few seconds indicating an entry to the Blocking Distance area or For example To shift the blocking distance to 0 75m 2 46 ft To save this entry and return to Pr 02 NOTES T...
Page 45: ...ion After a brief pause 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 MicroScan LCD display Near Zone whenever the distance is...
Page 46: ...ows d000 Disable default setting E000 Enable Refer to Chapter 4 Troubleshooting for a detailed list of the 22mA signal error messages 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 Choose enable or disable or Used to tog...
Page 47: ... 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 supply Sensor disconnected Contact the distributor for further instructions Any combination of three 8s and one 1 Indicates an electrical shortage caused by depressing the buttons for too long Contact th...
Page 48: ...ly corresponds with the specifications described in Chapter 2 Installing MicroScan If the problem persists replace the power supply 22mA Signal Error Messages The following list of messages will appear on the display and coincides with a 22mA analog current error output signal Error Description Solution Sensor disconnected Contact the distributor for further instructions Near dead zone Move the se...
Page 49: ...ooting MicroScan CHAPTER 4 43 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 supply ...
Page 50: ...c low high speed 34 E Electrical specifications 4 Entering factor for gas compensation 38 F 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...
Page 51: ...meters 14 Precautions 6 R 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 Signal error messages 41 Specifications 3 electrical 4 mechanical 4 Speed mode 34 T Table for gas compensaion factor 67 Tank height val...
