Endress+Hauser Micropilot FMR20 Brief Operating Instructions
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Endress+Hauser Micropilot FMR20 Brief Operating Instructions

Modbus rs485 free space radar for bulk solids
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KA01525F/00/EN/02.21
71535782
2021-08-30
Products
Brief Operating Instructions
Micropilot FMR20
Modbus RS485
Free space radar
For bulk solids
These Instructions are Brief Operating Instructions; they are
not a substitute for the Operating Instructions pertaining to
the device.
For detailed information, refer to the Operating Instructions
and other documentation.
Available for all device versions via:
• Internet: www.endress.com/deviceviewer
• Smart phone/Tablet: Endress+Hauser Operations App
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Summary of Contents for Endress+Hauser Micropilot FMR20

  • Page 1 These Instructions are Brief Operating Instructions; they are not a substitute for the Operating Instructions pertaining to the device. For detailed information, refer to the Operating Instructions and other documentation. Available for all device versions via: • Internet: www.endress.com/deviceviewer • Smart phone/Tablet: Endress+Hauser Operations App...
  • Page 2 Micropilot FMR20 Modbus RS485 Order code: XXXXX-XXXXXX Ser. no.: XXXXXXXXXXXX Ext. ord. cd.: XXX.XXXX.XX Serial number www.endress.com/deviceviewer Endress+Hauser Operations App A0023555 Endress+Hauser...

  • Page 3: Table Of Contents

    Micropilot FMR20 Modbus RS485 Table of contents Table of contents About this document ............. . 4 Symbols used .

  • Page 4: About This Document

    About this document Micropilot FMR20 Modbus RS485 About this document Symbols used 1.1.1 Safety symbols DANGER This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or fatal injury. WARNING This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or fatal injury.

  • Page 5: Documentation

    Bluetooth® The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Endress+Hauser is under license. Other trademarks and trade names are those of their respective owners. Basic safety instructions...

  • Page 6: Intended Use

    Clarification of borderline cases: ‣ With regard to special media and media used for cleaning, please contact the manufacturer. Endress+Hauser will be happy to assist in clarifying the corrosion-resistant properties of wetted materials but does not accept any warranty or liability. Residual risks...

  • Page 7: Workplace Safety

    Micropilot FMR20 Modbus RS485 Basic safety instructions Workplace safety For work on and with the device: ‣ Wear the required personal protective equipment according to federal/national regulations. Operational safety Risk of injury! ‣ Operate the device only if it is in proper technical condition, free from errors and faults.

  • Page 8: Device-Specific It Security

    Product description Micropilot FMR20 Modbus RS485 Device-specific IT security 2.7.1 Access via Bluetooth® wireless technology Signal transmission via Bluetooth® wireless technology uses a cryptographic technique tested by Fraunhofer AISEC • The device is not visible via Bluetooth® wireless technology without the SmartBlue App •...

  • Page 9: Incoming Acceptance And Product Identification

    ‣ Enter the serial number from the nameplate into the Endress+Hauser Operations App or use the Endress+Hauser Operations App to scan the 2-D matrix code (QR Code) provided on the nameplate  All the information about the measuring device and the scope of the associated Technical Documentation are displayed.

  • Page 10: Nameplate

    Incoming acceptance and product identification Micropilot FMR20 Modbus RS485 Nameplate Order code: Ser. no.: Ext. ord. cd.: MWP: Tp max: DeviceID: Dev .Rev.: ex works Mat.: if modification Date: see sep. label A0029096  2 Nameplate of Micropilot Manufacturer address...

  • Page 11: Installation

    Micropilot FMR20 Modbus RS485 Installation Modification mark 2-D matrix code (QR code) Date of manufacture: year-month Up to 33 characters of the extended order code are indicated on the nameplate. If the extended order code contains additional characters, these cannot be displayed.

  • Page 12: Installation Conditions

    Installation Micropilot FMR20 Modbus RS485 Installation conditions 5.1.1 Installation types A0045309  3 Wall, ceiling or nozzle installation Wall or ceiling mounting, adjustable Mounted at rear thread Horizontal installation in cramped spaces Ceiling installation with counter nut (included in delivery)
  • Page 13 Micropilot FMR20 Modbus RS485 Installation 5.1.2 Nozzle installation The antenna should project out of the nozzle for optimum measurement. The interior of the nozzle must be smooth and may not contain any edges or welded joints. The edge of the nozzle should be rounded if possible.
  • Page 14 Installation Micropilot FMR20 Modbus RS485 5.1.3 Position for installation on a vessel A0045323  5 Installation position on a vessel • If possible install the sensor so that its lower edge is inside the vessel. • Recommended distance A wall - nozzle outer edge: ~ ¹⁄₆ of the vessel diameter. Under no circumstances should the device be mounted closer than 15 cm (5.91 in) to the vessel wall.
  • Page 15 Micropilot FMR20 Modbus RS485 Installation 5.1.4 Device alignment for installation on a vessel • Align the antenna so that it is perpendicular to the product surface • Align the eyelet with lug towards the vessel wall as well as possible °...
  • Page 16 Installation Micropilot FMR20 Modbus RS485 A0045325  7 Aligning the sensor with the product cone Installation with adjustable flange seal Installation with FAU40 alignment unit To avoid disturbance echoes, use metal plates installed at an angle (where necessary) Endress+Hauser...
  • Page 17 Micropilot FMR20 Modbus RS485 Installation 5.1.5 Beam angle α W = 2 × D × tan α A0046285  8 Relationship between beam angle α, distance D and beamwidth diameter W The beam angle is defined as the angle α at which the power energy of the radar waves reaches half the value of the maximum power density (3dB width).
  • Page 18 Installation Micropilot FMR20 Modbus RS485 5.1.6 Measurement in plastic vessels A0029540  9 Measurement in a plastic vessel with a metallic, interfering installation outside of the vessel Pipe, tubing Ladder Grate, railing If the outer wall of the vessel is made of a non-conductive material (e.g. GFR), microwaves can also be reflected by interfering installations outside of the vessel.
  • Page 19 Micropilot FMR20 Modbus RS485 Installation A0046286  10 Weather protection cover The sensor is not completely covered by the weather protection cover. 5.1.8 Use of flooding protection tube In free-field installations and/or in applications where there is a risk of flooding, the flooding protection tube must be used.
  • Page 20 Installation Micropilot FMR20 Modbus RS485 A0045326  11 Function of flooding protection tube Empty space O-ring (EPDM) seal Blocking distance Max. level The tube is screwed directly onto the sensor and seals off the system by means of an O-ring making it air-tight.
  • Page 21 Micropilot FMR20 Modbus RS485 Installation Navigate to: Setup → Mapping end point  This parameter determines the distance up to which the new mapping is to be recorded. Navigate to: Setup → Present mapping  Displays the distance up to which a mapping has already been recorded.
  • Page 22 Installation Micropilot FMR20 Modbus RS485 A0045327  13 Cantilever installation, with pivot Cantilever with wall bracket Cantilever with mounting frame Cantilever, pivotable 5.1.11 Installation with the horizontal mounting bracket The mounting bracket can be ordered together with the device via the product structure "Accessory enclosed".
  • Page 23 The FAU40 alignment unit is available as an accessory. 15° 15° A0045332  16 Micropilot FMR20 with alignment unit 5.1.14 Adjustable flange seal The radar beam can be optimally directed at the bulk solids using the adjustable flange seal. Endress+Hauser...

  • Page 24: Post-Installation Check

    8° 8° A0045331  17 Micropilot FMR20 with adjustable flange seal Post-installation check  Is the device or cable undamaged (visual inspection)?  Is the device adequately protected from wet conditions and direct sunlight?  Is the device properly secured?

  • Page 25: Electrical Connection

    The sensor' s Bluetooth® wireless technology communication can be disabled to increase the operating life of the battery. Potential equalization No special measures for potential equalization are required. Various power supply units can be ordered as an accessory from Endress+Hauser. Endress+Hauser...

  • Page 26: Connecting The Device

    Electrical connection Micropilot FMR20 Modbus RS485 Connecting the device 6.3.1 Block circuit diagram for Modbus RS485 connection The RS485 connection meets the requirements of the RS485-IS specification for use in hazardous environments. DO / A(+) D1 / B(-) A0037751  19...
  • Page 27 Micropilot FMR20 Modbus RS485 Electrical connection DO / A(+) DO / A(+) D1 / B(-) D1 / B(-) A0038149  20 Block circuit diagram for Modbus RS485 connection, multiple users Power supply Device with Modbus communication Bus termination Modbus master/RTU The bus cable should be a type-A fieldbus cable with a maximum length of 1 200 m (3 937 ft).

  • Page 28: Post-Connection Check

    Operability Micropilot FMR20 Modbus RS485 Post-connection check  Is the device or cable undamaged (visual inspection)?  Do the mounted cables have adequate strain relief?  Are the cable glands mounted and firmly tightened?  Does the supply voltage match the specifications on the nameplate? ...

  • Page 29: Remote Operation Via Modbus Protocol

    Micropilot FMR20 Modbus RS485 System integration via Modbus protocol Remote operation via Modbus protocol A0046459  23 Options for remote operation via Modbus protocol Computer with Modbus operating tool (customer application, terminal application, etc.) Remote Transmit Unit (RTU) with Modbus (e.g. Fieldgate FXA42)
  • Page 30 System integration via Modbus protocol Micropilot FMR20 Modbus RS485 8.1.2 Modbus function codes Function code Action Register type Command type 03 (0x03) Single / multiple read Holding Register Standard 06 (0x06) Single write Holding Register Standard 16 (0x10) Multiple write...

  • Page 31: Measured Variables Via Modbus Protocol

    Micropilot FMR20 Modbus RS485 Commissioning and operation Measured variables via Modbus protocol The 8 most important process parameters are mapped as burst parameters to the first addresses in the Modbus address range. This means that these parameters can be read out in one measurement transmission.
  • Page 32 Commissioning and operation Micropilot FMR20 Modbus RS485 9.1.2 SmartBlue system requirements SmartBlue system requirements SmartBlue is available as a download from the Google Play Store for Android devices and from the iTunes Store for iOS devices. • Devices with iOS: iPhone 4S or higher from iOS 9;...
  • Page 33 Micropilot FMR20 Modbus RS485 Commissioning and operation A0029486  25 Envelope curve display (sample) in SmartBlue for Android Record video Create screenshot Display mapping menu Start/stop video recording Move time on time axis A0029487  26 Envelope curve display (sample) in SmartBlue for iOS...

  • Page 34: Configuring Level Measurement Via Operating Software

    Commissioning and operation Micropilot FMR20 Modbus RS485 Configuring level measurement via operating software 100% A0045565  27 Configuration parameters for level measurement in bulk solids Reference point of measurement Distance Level Empty calibration (= zero point) Full calibration (= span) BD Blocking distance 9.2.1...

  • Page 35: Diagnostics And Troubleshooting

    Micropilot FMR20 Modbus RS485 Diagnostics and troubleshooting Navigate to: Setup → Mapping end point  This parameter determines the distance up to which the new mapping is to be recorded Navigate to: Setup → Present mapping  Displays the distance up to which a mapping has already been recorded Setup →...

  • Page 36: Error - Smartblue Operation

    Diagnostics and troubleshooting Micropilot FMR20 Modbus RS485 10.2 Error - SmartBlue operation Error Possible cause Remedy Device is not visible in the live list No Bluetooth connection Enable Bluetooth function on smartphone or tablet Bluetooth function of sensor disabled, perform...
  • Page 37 Micropilot FMR20 Modbus RS485 Diagnostics and troubleshooting Calling up remedial measures ‣ Navigate to the Diagnostics menu  In the Actual diagnostics parameter the diagnostic event is shown with event text Endress+Hauser...
  • Page 40 *71535782* 71535782 www.addresses.endress.com...

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