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solidat MicroScan User Manual

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MicroScan
User Manual

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Summary of Contents for solidat MicroScan

  • Page 1 MicroScan User Manual...
  • Page 2 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.
  • Page 3 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...

  • Page 4: Table Of Contents

    Installing MicroScan..................7 Installing 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 .....
  • Page 5 Selecting 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 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..............

  • Page 7: Chapter 1: Introducing Microscan

    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"...

  • Page 8: Figure 1: Front View Of Microscan

    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...

  • Page 9: Microscan Specifications

    Automatic compensation * 0.25% or 1.25cm whichever is greater. Measuring Ranges 0.25 m — 5 m MicroScan L for liquids 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.

  • Page 10: Electrical Specifications

    MicroScan User’s Manual Conduit connection M20x2.5 or Mechanical fitting 1/2" NPT Operating pressure Atmospheric Dimensions 22.3 x 11 x 4.5cm (8.7 x 4.3x 1.7in) Weight Approx. 0.75Kg (1.65lb) Electrical Specifications Optional Display LCD, four digits, seven segments Four push buttons Operation 4 —...

  • Page 11: Sensor Recommendations

    Introducing MicroScan HAPTER Sensor Recommendations Material Description Stainless Steel For liquid applications. 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.

  • Page 12: Chapter 2: Installing Microscan

    Chapter 2 Installing MicroScan Precautions 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.

  • Page 13: Installing Microscan

    Installing MicroScan HAPTER Installing MicroScan When installing MicroScan, ensure that it 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.

  • Page 14: Installing Microscan On Threaded Flange/Thread-Free Flange

    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 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. To install MicroScan: 1 Insert the threaded end of MicroScan into the aperture at the top of the tank or pipe.

  • Page 16: Installing Microscan Via Extension Pipes

    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.

  • Page 17: Connecting The Microscan To A Power Cable

    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 MicroScan's front door is properly positioned to maintain the unit sealed.

  • Page 18: Connecting The Microscan To The Msu

    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).

  • Page 19: Non-Intrinsically Safe Connections

    Installing MicroScan HAPTER Non-Intrinsically Safe Connections Figure 5: Non-Intrinsically Safe Positive Ground Connection Figure 6: Non-Intrinsically Safe Negative Ground Connection...
  • Page 20 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 Voltage on Resistor on Resistor 0 Ω 50 Ω 12 V 0 Ω...

  • Page 21: Chapter 3: Setting Up And Calibrating Microscan

    MicroScan as required. Changing the setting is available 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.

  • Page 22: Figure 7: Msu Mounted On The Microscan Unit

    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.

  • Page 23: Figure 8: Microscan Functions Menus

    Setting Up and Calibrating MicroScan HAPTER 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.

  • Page 24: Using Microscan Functions

    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' display will not function).
  • Page 25 Setting Up and Calibrating MicroScan HAPTER The function buttons are used to perform various operations, summarized in the following table. Button Uses Include: Accessing the functions menu (when pressed simultaneously with Selecting functions Progressing to the next step of a function...
  • Page 26 ). 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. To start up MicroScan and access the functions: Press/Action Display Explanation Connect the...

  • Page 27: Resetting Microscan

    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...

  • Page 28: Entering The Tank Height Value

    MicroScan User’s Manual To reset MicroScan: Press/Action Display Explanation Required menu selection. Temporary display while MicroScan takes reading. After a brief For example, Distance reading. pause Returns to the functions menu. (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.
  • Page 29 Setting Up and Calibrating MicroScan HAPTER To enter the tank height value: Press/Action Display Explanation Required menu selection. Indicates the measurement unit, either meters or feet (according to the MicroScan version). For example Displays last saved tank height or default value (maximum value in range).

  • Page 30: Defining Interfering Signals

    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.
  • Page 31 Setting Up and Calibrating MicroScan HAPTER Each reading (scan distance) taken 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.
  • Page 32 MicroScan User’s Manual Press/Action Display 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. For example, Actual target height reading indicates that there are no more interfering signals.

  • Page 33: Configuring 4Ma Current Output

    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.
  • Page 34 MicroScan User’s Manual To enter 4mA values: Press/Action Display Explanation Required menu selection. For example, Select 4mA (and 20mA) values format: Level (L000), Distance (d000). For example Last saved 4mA level or zero default value. Used to enter a new value,...
  • Page 35 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 will not influence the measurement mode selected for the display (Pr.08).

  • Page 36: Configuring 20Ma Current Output

    MicroScan User’s Manual Configuring 20mA Current Output The Pr05 function enables you to enter values to be used as the 20mA mark for remote monitoring. To enter 20mA values: Press/Action Display Explanation Required menu selection. Last saved 20mA level or...
  • Page 37 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.

  • Page 38: Selecting Low/High Dynamic Speed (Open Channels And Liquid Only)

    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.

  • Page 39: Defining Working Area

    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 MicroScan User’s Manual To define a Working Area: Press/Action Display Explanation Required menu selection. Displayed when entering the function. for example: 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.

  • Page 41: Selecting Distance Or Level Display

    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.
  • Page 42 MicroScan User’s Manual To select distance or level display: Press/Action Display Explanation Required menu selection. Displays the current distance/level mode setting. Used to toggle between the modes. Saves the selected mode.

  • Page 43: Restoring The Default Settings

    Setting Up and Calibrating MicroScan HAPTER Restoring the Default Settings The Pr09 function allows you to clear all user-defined settings 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.

  • Page 44: Shifting The Blocking Distance

    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.

  • Page 45: Verifying The Version Number

    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.
  • Page 46 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:...

  • Page 47: Chapter 4: Troubleshooting Microscan

    Troubleshooting MicroScan HAPTER Chapter 4 Troubleshooting MicroScan This chapter describes how to resolve problems that may occur when calibrating MicroScan, as follows: Error Description Solution Noise in area. Check that the power supply is appropriate. Faulty power supply. Make sure that the power...

  • Page 48: 22Ma Signal Error Messages

    If it specifications described in is displayed for more than Chapter 2, Installing several seconds, it may be MicroScan. If the problem due to one of the following: persists, replace the power Power supply voltage is supply.
  • Page 49 Troubleshooting MicroScan HAPTER 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: Index

    MicroScan User’s Manual Index 20 mA mark, 32 False echoes, 28 Function buttons, 22 Functions 4 mA mark, 30 accessing, 24 menu, 24 Blocking distance shift, 38 High dynamic setting, 34 Buttons function, 22 Installing MicroScan, 7 Default settings threaded-flange mounting, 8...
  • Page 51 Tank height value, 26 Trapezoidal (Cipolletti) Sharp-Crested Power supply Weir, 48, 58 recommendations, 14, 19 Troubleshooting, 64 ripple/noise parameters, 14 Precautions, 6 Version number displaying, 41 Remote monitoring 20 mA, 32 4 mA, 30 Working Area, 35 Resetting MicroScan, 25...

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