Endress+Hauser Micropilot FMR66B Operating Instructions Manual
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Endress+Hauser Micropilot FMR66B Operating Instructions Manual

Endress+Hauser Micropilot FMR66B Operating Instructions Manual

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BA02264F/00/EN/01.23-00
71627299
2023-09-01
01.00.zz (Device firmware)
Products
Operating Instructions
Micropilot FMR66B
PROFIBUS PA
Free space radar
Solutions
Services

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Summary of Contents for Endress+Hauser Micropilot FMR66B

  • Page 1 Products Solutions Services BA02264F/00/EN/01.23-00 71627299 2023-09-01 01.00.zz (Device firmware) Operating Instructions Micropilot FMR66B PROFIBUS PA Free space radar...
  • Page 2 The manufacturer reserves the right to modify technical data without prior notice. The Endress+Hauser sales organization will supply you with current information and updates to these instructions. Endress+Hauser...

  • Page 3: Table Of Contents

    Micropilot FMR66B PROFIBUS PA Table of contents Table of contents 5.3.5 Changing the installation position of About this document ....5 the display module ....18 Purpose of this document .
  • Page 4 Table of contents Micropilot FMR66B PROFIBUS PA Commissioning ....39 Repair ......55 Preliminaries .

  • Page 5: About This Document

    Micropilot FMR66B PROFIBUS PA About this document About this document Purpose of this document These Operating Instructions contain all the information that is required in the various phases of the life cycle of the device: from product identification, incoming acceptance and storage, to mounting, connection, operation and commissioning through to troubleshooting, maintenance and disposal.

  • Page 6: Documentation

    For an overview of the scope of the associated Technical Documentation, refer to the following: • Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the nameplate • Endress+Hauser Operations app: Enter serial number from nameplate or scan matrix code on nameplate. 1.3.1 Technical Information (TI)

  • Page 7: Terms And Abbreviations

    Karlsruhe - Germany 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. Apple®...

  • Page 8: Basic Safety Instructions

    Do not touch or clean device surfaces with pointed or hard objects. Clarification of borderline cases: ‣ For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in verifying the corrosion resistance of fluid-wetted materials, but does not accept any warranty or liability.

  • Page 9: Workplace Safety

    It meets the general safety standards and legal requirements. It also complies with the EU directives listed in the device-specific EU Declaration of Conformity. Endress+Hauser confirms this by affixing the CE mark to the device. IT security We only provide a warranty if the device is installed and used as described in the Operating Instructions.
  • Page 10 Basic safety instructions Micropilot FMR66B PROFIBUS PA • Write protection via hardware write protection switch • Access code (applies for operation via display, Bluetooth or FieldCare, DeviceCare, PDM) Endress+Hauser...

  • Page 11: Product Description

    Product description Product design A0046664  1 Design of the Micropilot FMR66B Electronics housing Encapsulated antenna, PVDF, 40 mm (1.5 in), threaded process connection Encapsulated antenna, PVDF, 40 mm (1.5 in), flange process connection Drip-off antenna 50 mm (2 in), threaded process connection...

  • Page 12: Incoming Acceptance And Product

     All the information about the measuring device is displayed. ‣ Endress+Hauser Operations app; manually enter the serial number indicated on the nameplate or scan the 2D matrix code on the nameplate.  All the information about the measuring device is displayed.

  • Page 13: Manufacturer Address

    Micropilot FMR66B PROFIBUS PA Incoming acceptance and product identification 4.2.2 Manufacturer address Endress+Hauser SE+Co. KG Hauptstraße 1 79689 Maulburg, Germany Place of manufacture: See nameplate. Storage and transport 4.3.1 Storage conditions • Use the original packaging • Store the device in clean and dry conditions and protect from damage caused by shocks Storage temperature range See Technical Information.

  • Page 14: Mounting

    Mounting Micropilot FMR66B PROFIBUS PA Mounting General instructions WARNING Loss of protection rating if the device is opened in a wet environment. ‣ Only open the device in a dry environment! 1. Install the device or turn the housing so that the cable entries do not point upwards.

  • Page 15: Avoiding Interference Echoes

    Micropilot FMR66B PROFIBUS PA Mounting 5.2.2 Avoiding interference echoes A0031817 Metal deflector plates, installed at an angle to scatter the radar signals, help prevent interference echoes. 5.2.3 Vertical alignment of antenna axis Align the antenna so that it is perpendicular to the product surface.

  • Page 16: Drip-Off Antenna Ptfe 50 Mm (2 In)

    Mounting Micropilot FMR66B PROFIBUS PA Information about the mounting nozzle The maximum nozzle length H depends on the nozzle diameter D. Maximum nozzle length H as a function of the nozzle diameter D D 50 to 80 mm (2 to 3.2 in) 600 mm (24 in) 80 to 100 mm (3.2 to 4 in)

  • Page 17: Turning The Housing

    Micropilot FMR66B PROFIBUS PA Mounting 5.3.3 Turning the housing The housing can be rotated up to 380° by loosening the locking screw. Your benefits • Easy installation due to optimum alignment of housing • Easily accessible device operation • Optimum readability of the local display (optional)

  • Page 18: Changing The Installation Position Of The Display Module

    Mounting Micropilot FMR66B PROFIBUS PA 4. Turn the display module to the desired position: maximum 4 × 90 ° in each direction. Fit the display module on the electronics compartment in the desired position until it clicks into place. Screw the electronics compartment cover back onto the transmitter housing.

  • Page 19: Closing The Housing Covers

    Micropilot FMR66B PROFIBUS PA Mounting 4 → 5 → 6 → 4 mm 0.7 Nm A0046834 A0046923 A0046924 ‣ ‣ ‣ Release the connection. If fitted: release the screw of Unscrew the connection the cover lock for the compartment cover, check the connection compartment cover cover seal.
  • Page 20 Mounting Micropilot FMR66B PROFIBUS PA  Is the measuring device protected against precipitation and sunlight?  Are the securing screws and cover lock tightened securely?  Does the measuring device comply with the measuring point specifications? For example: •  Process temperature •  Process pressure •...

  • Page 21: Electrical Connection

    Micropilot FMR66B PROFIBUS PA Electrical connection Electrical connection Connecting requirements 6.1.1 Cover with securing screw The cover is locked by a securing screw in devices for use in hazardous areas with certain explosion protection. NOTICE If the securing screw is not positioned correctly, the cover cannot provide secure sealing.

  • Page 22: Connecting The Device

    Electrical connection Micropilot FMR66B PROFIBUS PA A0046583 Single compartment housing, plastic Single compartment housing, aluminum Single compartment housing, 316L hygiene (Ex device) Dual compartment housing Dual compartment housing, L-form Ground terminal for connecting the potential matching line WARNING Explosion Hazard! ‣...

  • Page 23: Cable Specification

    Micropilot FMR66B PROFIBUS PA Electrical connection Nominal current 14 mA Failure current FDE (Fault 0 mA Disconnection Electronic) • Use only suitable and certified Profibus PA components (e.g. DP/PA segment coupler) for the power supply • FISCO/FNICO-compliant according to IEC 60079-27 •...

  • Page 24: Wiring

    Electrical connection Micropilot FMR66B PROFIBUS PA Devices with optional overvoltage protection • Spark-over voltage: min. 400 V • Tested according to IEC / DIN EN 60079-14 sub chapter 12.3 (IEC / DIN EN 60060-1 chapter 7) • Nominal discharge current: 10 kA...

  • Page 25: Terminal Assignment

    Micropilot FMR66B PROFIBUS PA Electrical connection 6.2.5 Terminal assignment Single compartment housing A0042594  4 Connection terminals and ground terminal in the connection compartment Positive terminal Negative terminal Internal ground terminal Dual compartment housing A0042803  5 Connection terminals and ground terminal in the connection compartment...

  • Page 26: Cable Entries

    Electrical connection Micropilot FMR66B PROFIBUS PA Dual compartment housing, L-form A0045842  6 Connection terminals and ground terminal in the connection compartment Positive terminal Negative terminal Internal ground terminal 6.2.6 Cable entries A0046584 Single compartment housing, plastic Single compartment housing, aluminum...

  • Page 27: Ensuring The Degree Of Protection

    Micropilot FMR66B PROFIBUS PA Electrical connection Devices with M12 plug A0011175  7 View of the plug-in connection on the device Signal + Not assigned Signal – Ground Various M12 sockets are available as accessories for devices with M12 plugs.

  • Page 28: Operation Options

    • Operation via optical operating keys on the device display (optional) • Operation via Bluetooth® wireless technology (with optional device display with Bluetooth) with SmartBlue app or FieldXpert, DeviceCare • Operation via operating tool (Endress+Hauser FieldCare/DeviceCare, PDM etc.) Operating keys and DIP switches on the PROFIBUS PA electronic insert...

  • Page 29: Software Addressing

    Structure and function of the operating menu The differences between the structure of the operating menus of the local display and the Endress+Hauser FieldCare or DeviceCare operating tools can be summarized as follows: The local display is suitable for configuring simple applications.

  • Page 30: Operation Via Bluetooth® Wireless Technology (Optional)

    Prerequisite • Device with device display including Bluetooth • Smartphone or tablet with Endress+Hauser SmartBlue app or PC with DeviceCare from version 1.07.05 or FieldXpert SMT70 The connection has a range of up to 25 m (82 ft). The range can vary depending on environmental conditions such as attachments, walls or ceilings.

  • Page 31: Access To The Operating Menu Via The Operating Tool

    7.6.1 Function scope Tool for connecting and configuring Endress+Hauser field devices. The fastest way to configure Endress+Hauser field devices is with the dedicated "DeviceCare" tool. Together with the device type managers (DTMs), DeviceCare presents a convenient, comprehensive solution. For details, see Innovation Brochure IN01047S FieldCare 7.7.1...
  • Page 32 Operation options Micropilot FMR66B PROFIBUS PA Typical functions: • Parameter configuration of transmitters • Loading and saving of device data (upload/download) • Documentation of the measuring point • Visualization of the measured value memory (line recorder) and event logbook For additional information about FieldCare, see Operating Instructions BA00027S...

  • Page 33: System Integration

    Micropilot FMR66B PROFIBUS PA System integration System integration According to EN 50170 Volume 2, IEC 61158-2 (MBP) type 1 PROFIBUS PA Profile Version 3.02 Protocol-specific data 8.1.1 PROFIBUS PA Manufacturer ID: 17 (0x11) Ident number: 0x1568 or 0x9700 Profile version: 3.02...

  • Page 34: Device Master File (Gsd)

    System integration Micropilot FMR66B PROFIBUS PA Supported functions • Identification & maintenance Straightforward device identification on the part of the control system and nameplate • Automatic Ident Number adoption GSD compatibility mode for generic profile 0x9700 "Transmitter with 1 Analog Input"...

  • Page 35: Compatibility With Other Devices

    Micropilot FMR66B PROFIBUS PA System integration The Profile GSD that is to be used is specified in the Ident number selector parameter by selecting the 0x9700 (1AI) option or FMR6xB 0x1568 option. 8.2.3 Compatibility with other devices This device ensures compatibility in cyclic data exchange with the automation system (Class 1 master) for the following devices: Generic Transmitter 1 AI PROFIBUS PA (Profile version 3.02, ident number 0x9700)

  • Page 36: Description Of The Modules

    System integration Micropilot FMR66B PROFIBUS PA file (GSD) contains a description of the individual modules (input and output data) along with their individual properties. The modules are permanently assigned to the slots, i.e. when configuring the modules, the order and the arrangement of the modules must be respected.
  • Page 37 Micropilot FMR66B PROFIBUS PA System integration AO module (Analog Output) Transmit display information from the PROFIBUS master (Class 1) to the measuring device. An analog output value, along with the status, can be transmitted cyclically from the PROFIBUS master (Class 1) to the measuring device via the AO module and output on the local display.
  • Page 38 System integration Micropilot FMR66B PROFIBUS PA The device works as a modular PROFIBUS slave. In contrast to a compact slave, a modular PROFIBUS slave has a variable design and consists of several individual modules. The GSD file contains a description of the individual modules along with their individual properties.

  • Page 39: Commissioning

    Micropilot FMR66B PROFIBUS PA Commissioning Commissioning All configuration tools provide a commissioning assistant that supports the user when setting the most important configuration parameters (Guidance menu Commissioning wizard). Preliminaries The measuring range and the unit in which the measured value is transmitted correspond to the data on the nameplate.

  • Page 40: Via Service Interface (Cdi)

    9.3.2 Via service interface (CDI) A0039148 Computer with FieldCare/DeviceCare operating tool Commubox FXA291 Service interface (CDI) of the measuring device (= Endress+Hauser Common Data Interface) Setting the operating language 9.4.1 Local display Setting the operating language To set the operating language, the display first needs to be unlocked: 1.

  • Page 41: Configuring The Device

    Micropilot FMR66B PROFIBUS PA Commissioning Configuring the device 9.5.1 Level measurement in bulk solids 100% A0016934  12 Configuration parameters for level measurement in bulk solids Reference point of measurement Length of antenna + 10 mm (0.4 in) Distance Level "Empty calibration" parameter (= 0 %) "Full calibration"...

  • Page 42: Simulation" Submenu

    Commissioning Micropilot FMR66B PROFIBUS PA Diagnostics → Echo curve → Save reference curve ‣ Under the Save reference curve parameter, activate the Customer reference curve option "Simulation" submenu Simulation of a process variable, a pulse output or a diagnostic event.

  • Page 43: Operation

    The Heartbeat submenu is only available if operating via FieldCare, DeviceCare or the SmartBlue app. It contains the wizards that are available with the application packages Heartbeat Verification and Heartbeat Monitoring. Documentation on the Heartbeat Technology: Endress+Hauser website: www.endress.com → Downloads.

  • Page 44: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Micropilot FMR66B PROFIBUS PA Diagnostics and troubleshooting 11.1 General troubleshooting 11.1.1 General errors Device is not responding • Possible cause: Supply voltage does not match the specification on the nameplate Remedial action: Apply the correct voltage • Possible cause: The connecting cables are not in contact with the terminals...

  • Page 45: Diagnostic Message

    Remedial action: The standard user name is "admin" and the password is the device serial number indicated on the device nameplate (only if the password was not changed by the user beforehand) If the password has been forgotten, contact Endress+Hauser Service (www.addresses.endress.com) Connection via SmartBlue not possible •...

  • Page 46: Diagnostic Information On Local

    Diagnostics and troubleshooting Micropilot FMR66B PROFIBUS PA 11.3.1 Diagnostic information on local display A0043759  14 Segment display without keys Status symbol for event level Status signal with diagnostic event X X X X X X X S801 X X X X X X X A0043103 ...

  • Page 47: Diagnostic Event And Event Text

    Micropilot FMR66B PROFIBUS PA Diagnostics and troubleshooting 11.3.4 Diagnostic event and event text The fault can be identified by means of the diagnostic event. The event text helps you by providing information about the fault. In addition, the associated status symbol is displayed in front of the diagnostic event.

  • Page 48: Operating Menu

    Diagnostics and troubleshooting Micropilot FMR66B PROFIBUS PA 2 → Diagnostic list Diagnostics 1 S801 Supply voltage Diagnostics 2 Diagnostics 3 A0051132 ‣ Select the diagnostic event and confirm Supply voltage (ID:203) S801 0d00h02m25s Increase supply voltage A0051133 ‣ Remedy informationClosing 11.4.2...
  • Page 49 Micropilot FMR66B PROFIBUS PA Diagnostics and troubleshooting Diagnostic Short text Remedy instructions Status Diagnostic number signal behavior [from the [from the factory] factory] Build-up detected Check process conditions Warning Diagnostic of electronic Firmware incompatible 1. Check software Alarm 2. Flash or change main electronic...

  • Page 50: Event Logbook

    Diagnostics and troubleshooting Micropilot FMR66B PROFIBUS PA Diagnostic Short text Remedy instructions Status Diagnostic number signal behavior [from the [from the factory] factory] Diagnostic of process Supply voltage too low Increase supply voltage Alarm Supply voltage too high Decrease supply voltage Warning Electronics temperature 1.

  • Page 51: Filtering The Event Logbook

    Micropilot FMR66B PROFIBUS PA Diagnostics and troubleshooting 11.7.2 Filtering the event logbook Filters can be used to determine which category of event messages is displayed in the Event list submenu. Navigation: Diagnostics → Event logbook Filter categories • All • Failure (F) •...

  • Page 52: Resetting The Device

    Diagnostics and troubleshooting Micropilot FMR66B PROFIBUS PA 11.8 Resetting the device 11.8.1 Reset password via operating tool Enter a code to reset the current "Maintenance" password. The code is delivered by your local support. Navigation: System → User management → Reset password → Reset password  For detailed information on the Reset password parameter: Description of device...

  • Page 53: Device Information

    Micropilot FMR66B PROFIBUS PA Diagnostics and troubleshooting Resetting the device to the factory setting 12 s Display 50 ms A0050015  17 Sequence - Factory setting Reset the device to the factory setting ‣ Press operating key I for at least 12 s.

  • Page 54: Maintenance

    Maintenance Micropilot FMR66B PROFIBUS PA Maintenance No special maintenance work is required. 12.1 Exterior cleaning Notes on cleaning • The cleaning agents used should not corrode the surfaces and the seals • Observe the degree of protection of the device 12.2...

  • Page 55: Repair

    Repair concept Endress+Hauser repair concept • The devices have a modular design • Repairs can be carried out by Endress+Hauser Service or by appropriately trained customers • Spare parts are grouped into logical kits with the associated replacement instructions For more information on service and spare parts, please contact your Endress+Hauser sales representative.

  • Page 56: Return

    Repair Micropilot FMR66B PROFIBUS PA 13.4 Return The requirements for safe device return can vary depending on the device type and national legislation. 1. Refer to the web page for information: http://www.endress.com/support/return-material  Select the region. 2. Return the device if repairs or a factory calibration are required, or if the wrong device was ordered or delivered.

  • Page 57: Accessories

    Micropilot FMR66B PROFIBUS PA Accessories Accessories 14.1 Weather protection cover 316L The weather protection cover can be ordered together with the device via the "Accessory enclosed" product structure. It is used to protect against direct sunlight, precipitation and ice. Weather protection cover 316L is suitable for the dual compartment housing made of aluminum or 316L.

  • Page 58: Adjustable Flange Seal

    Accessories Micropilot FMR66B PROFIBUS PA Material Plastic Order number for accessories: 71438291 14.3 Adjustable flange seal The adjustable flange seal is used to align the sensor to the surface of the product. It can be ordered directly with the device via the product structure "Accessory enclosed" or individually via the specific order number.

  • Page 59: Seal, Adjustable, Dn150

    Micropilot FMR66B PROFIBUS PA Accessories Technical data • Material: EPDM • Recommended screw size: M14 • Recommended screw length: 100 mm (3.9 in) • Process pressure: –0.1 to 0.1 bar (–1.45 to 1.45 psi) • Process temperature: –40 to +80 °C (–40 to +176 °F) Ordering information •...

  • Page 60: Seal, Adjustable, Asme 4

    Accessories Micropilot FMR66B PROFIBUS PA Technical data • Material: EPDM • Recommended screw size: M14 • Recommended screw length: 100 mm (3.9 in) • Process pressure: –0.1 to 0.1 bar (–1.45 to 1.45 psi) • Process temperature: –40 to +80 °C (–40 to +176 °F) Ordering information •...

  • Page 61: Mounting Bracket, Adjustable

    Micropilot FMR66B PROFIBUS PA Accessories Technical data • Material: EPDM • Recommended screw size: M18 • Recommended screw length: 100 mm (3.9 in) • Process pressure: –0.1 to 0.1 bar (–1.45 to 1.45 psi) • Process temperature: –40 to +80 °C (–40 to +176 °F) Ordering information •...

  • Page 62: Dimensions

    Accessories Micropilot FMR66B PROFIBUS PA 14.4.1 Dimensions 282 (11.1) 35 (1.38) 230 (9.06) 9 (0.35) 3 (0.12) A0048769  21 Dimensions of mounting bracket. Unit of measurement mm (in) 14.4.2 Scope of delivery A0049050  22 Scope of delivery of mounting bracket, adjustable 1 ×...
  • Page 63 Micropilot FMR66B PROFIBUS PA Accessories A0046692 Plastic single compartment housing, remote display Aluminum single compartment housing, remote display Single compartment housing, 316L hygiene, remote display Device side, plastic single compartment housing prepared for display FHX50B Device side, aluminum single compartment housing prepared for display FHX50B...

  • Page 64: Gas-Tight Feedthrough

    Accessories Micropilot FMR66B PROFIBUS PA 14.6 Gas-tight feedthrough Chemically inert glass feedthrough, which prevents gases from entering the electronics housing. Can optionally be ordered as "Accessory mounted" via the product structure. 14.7 Field Xpert SMT70 Universal, high-performance tablet PC for device configuration in Ex Zone 2 and non-Ex areas For details, see "Technical Information"...

  • Page 65: 14.11 Rid16

    Micropilot FMR66B PROFIBUS PA Accessories Displays 8 process- or calculated values for FOUNDATION Fieldbus™ or PROFIBUS® PA protocol Technical Information TI00145R and Operating Instructions BA01267K 14.11 RID16 8-channel field indicator for fieldbus systems A0011634 Displays 8 process- or calculated values for FOUNDATION Fieldbus™ or PROFIBUS® PA...
  • Page 66 Accessories Micropilot FMR66B PROFIBUS PA Pow er PB DP RS4 85 LAN 1 PB Err Fail ure LAN 2 Res et SFG 500 A0028262 Parallel access to PROFIBUS networks, PROFIBUS and HART device status monitoring Ethernet gateway basic mode with integrated web server and adaptive PROFIBUS master, Class 2 for communication with PROFIBUS devices.

  • Page 67: Technical Data

    Micropilot FMR66B PROFIBUS PA Technical data Technical data 15.1 Input Measured variable The measured variable is the distance between the reference point and the product surface. The level is calculated based on "E", the empty distance entered. Measuring range The start of the measuring range is the point where the beam hits the floor. Levels below this point cannot be measured, particularly in the case of conical outlets.

  • Page 68: Output

    For the dielectric constants (DC values) of many media commonly used in industry, please refer to: • Dielectric constant (DC value) Compendium CP01076F • The Endress+Hauser "DC Values app" (available for Android and iOS) Operating frequency Approx. 80 GHz Up to 8 devices can be installed in a tank without the devices mutually influencing one another.
  • Page 69 Micropilot FMR66B PROFIBUS PA Technical data Protocol-specific data PROFIBUS PA Manufacturer ID: 17 (0x11) Ident number: 0x1568 or 0x9700 Profile version: 3.02 GSD file and version Information and files available at: • www.endress.com On the product page for the device: Documents/Software → Device drivers •...

  • Page 70: Environment

    Technical data Micropilot FMR66B PROFIBUS PA 15.3 Environment Ambient temperature The following values apply up to a process temperature of +85 °C (+185 °F). At higher range process temperatures, the permitted ambient temperature is reduced. • Without LCD display: Standard: –40 to +85 °C (–40 to +185 °F) •...
  • Page 71 Micropilot FMR66B PROFIBUS PA Technical data Restriction to a process temperature of 0 to +80 °C (+32 to +176 °F) with CSA C/US approval and plastic housing A0048826  24 Plastic housing; process temperature 0 to +80 °C (+32 to +176 °F) with CSA C/US approval = T...
  • Page 72 Technical data Micropilot FMR66B PROFIBUS PA Aluminum housing, coated Aluminum housing; process temperature –40 to +80 °C (–40 to +176 °F) A0032024  27 Aluminum housing, coated; process temperature –40 to +80 °C (–40 to +176 °F) = T : –40 °C (–40 °F) |  T : +79 °C (+174 °F)
  • Page 73 Micropilot FMR66B PROFIBUS PA Technical data 316L housing; process temperature –40 to +130 °C (–40 to +266 °F) A0032024  30 316L housing; process temperature –40 to +130 °C (–40 to +266 °F) = T : –40 °C (–40 °F) |  T : +77 °C (+171 °F) = T...
  • Page 74 Technical data Micropilot FMR66B PROFIBUS PA Installation height as per Generally up to 5 000 m (16 404 ft) above sea level IEC61010-1 Ed.3 Degree of protection Test as per IEC 60529 and NEMA 250-2014 Housing IP66/68, NEMA TYPE 4X/6P IP68 test condition: 1.83 m under water for 24 hours.

  • Page 75: Process

    Micropilot FMR66B PROFIBUS PA Technical data 15.4 Process Process pressure range WARNING The maximum pressure for the device depends on the lowest-rated component with regard to pressure (components are: process connection, optional mounted parts or accessories). ‣ Only operate the device within the specified limits for the components! ‣...
  • Page 76 –1 to 3 bar (–14.5 to 43.5 psi) A0047726 The pressure range may be further restricted in the event of a CRN approval. Dielectric constant For bulk solids ε ≥ 1.6 Contact Endress+Hauser for applications with lower dielectric constants than indicated. Endress+Hauser...

  • Page 77: Index

    Micropilot FMR66B PROFIBUS PA Index Index Access authorization to parameters Operating keys ......28 Read access .
  • Page 80 *71627299* 71627299 www.addresses.endress.com...

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