Endress+Hauser Cerabar PMP71B Operating Instructions Manual
  1. Manuals
  2. Brands
  3. Endress+Hauser Manuals
  4. Measuring Instruments
  5. Hart Cerabar PMP71B
  6. Operating instructions manual

Endress+Hauser Cerabar PMP71B Operating Instructions Manual

Process pressure measurement hart
Hide thumbs Also See for Cerabar PMP71B:
Table of Contents

Advertisement

Quick Links

Download this manual
BA02012P/00/EN/06.24-00
71647854
2024-03-26
Valid as of version
01.00.zz (Device firmware)
Products
Operating Instructions
Cerabar PMP71B
Process pressure measurement
HART
Solutions
Services

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Cerabar PMP71B and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Endress+Hauser Cerabar PMP71B

Summary of Contents for Endress+Hauser Cerabar PMP71B

  • Page 1 Products Solutions Services BA02012P/00/EN/06.24-00 71647854 2024-03-26 Valid as of version 01.00.zz (Device firmware) Operating Instructions Cerabar PMP71B Process pressure measurement HART...
  • 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

    Cerabar PMP71B HART Table of contents Table of contents About this document ....5 System integration ....38 Document function .
  • Page 4 Table of contents Cerabar PMP71B HART Index ........86...

  • Page 5: About This Document

    Cerabar PMP71B HART About this document About this document Document function These Operating Instructions contain all the information that is required in 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 About this document Cerabar PMP71B HART Additional information: Reference to documentation: Reference to page: Series of steps: Result of an individual step: 1.2.4 Symbols in graphics Item numbers: 1, 2, 3 ... Series of steps: Views: A, B, C, ...

  • Page 7: List Of Abbreviations

    Cerabar PMP71B HART About this document List of abbreviations A0029505 OPL: The OPL (overpressure limit = measuring cell overload limit) for the device depends on the lowest-rated element, with regard to pressure, of the selected components, i.e. the process connection has to be taken into consideration in addition to the measuring cell.

  • Page 8: Documentation

    Registered trademark of the FieldComm Group, Austin, Texas, USA Bluetooth® The Bluetooth® wordmark and logos are registered trademarks of Bluetooth SIG, Inc. and any use of these trademarks by Endress+Hauser is licensed. Other trademarks and trade names are those of their respective owners. Apple®...

  • Page 9: Basic Safety Instructions

    The manufacturer is not liable for damage caused by improper or non-intended use. Verification for 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 10: Product Safety

    IT security Endress+Hauser can only provide a warranty if the device is installed and used as described in the Operating Instructions. The device is equipped with security mechanisms to protect it against any inadvertent changes to the device settings. IT security measures in line with operators' security standards and designed to provide additional protection for the device and device data transfer must be implemented by the operators themselves.

  • Page 11: Product Description

    Cerabar PMP71B HART Product description Product description Product design 3.1.1 Metallic membrane Standard device (without diaphragm seal) A0043089 Measuring element Channel with fill fluid Metallic membrane Pressure The pressure deflects the metallic membrane of the measuring cell. A fill fluid transfers the pressure to a Wheatstone bridge (semiconductor technology).
  • Page 12 Product description Cerabar PMP71B HART Device with diaphragm seal A0043583 Measuring element Internal membrane Channel with fill fluid Metallic membrane Pressure The pressure acts on the membrane of the diaphragm seal and is transferred to the internal membrane by a fill fluid. The internal membrane is deflected. A fill fluid transfers the pressure to the measuring element on which a resistance bridge is located.
  • Page 13 Cerabar PMP71B HART Product description 3.1.2 Level measurement (level, volume and mass) Standard device (without diaphragm seal) ρ g A0038343 Height (level) Pressure ρ Density of the medium Gravitational acceleration Device with diaphragm seal ρ g A0038342  1 Sample illustration: diaphragm seal with capillary...

  • Page 14: Incoming Acceptance And Product

    • Do the data on the nameplate correspond to the order specifications and the delivery note? • Is the documentation available? • If required (see nameplate): are the Safety Instructions (XA) provided? If you can answer "no" to any of these questions, please contact Endress+Hauser. 4.1.1 Scope of delivery The scope of delivery comprises: •...

  • Page 15: Storage And Transport

    Cerabar PMP71B HART Incoming acceptance and product identification 4.2.2 Nameplate Different nameplates are used depending on the device version. The nameplates contain the following information: • Manufacturer name and device name • Address of the certificate holder and country of manufacture •...

  • Page 16: Mounting

    • To ensure optimal readability of the local display, adjust the housing and local display • Endress+Hauser offers a mounting bracket to mount the device on pipes or walls • Use flushing rings for flanges, flange seals and pancake seals if buildup or clogging can be expected at the membrane •...
  • Page 17 Cerabar PMP71B HART Mounting 5.1.4 Installation instructions for devices with diaphragm seals NOTICE Improper handling! Damage to the device! ‣ The diaphragm seal and pressure transmitter form a closed, calibrated system which has been filled with diaphragm seal fill fluid. Never open any of the holes for fill fluid.

  • Page 18: Mounting The Device

    Mounting Cerabar PMP71B HART • Keep the pressure compensation element (1) free from contamination • A position-dependent zero point shift (when the vessel is empty the measured value does not display zero) can be corrected • Diaphragm seals also shift the zero point, depending on the installation position •...
  • Page 19 Cerabar PMP71B HART Mounting Advantages of using siphons: • Protects the measuring device from hot, pressurized media due to the formation and collection of condensate • Attenuation of water hammer • The defined water column only causes minimal (negligible) measured errors and minimal (negligible) thermal effects on the device For technical data (e.g.
  • Page 20 Mounting Cerabar PMP71B HART temperature. The data were determined under the most critical application "quiescent air". Maximum permitted insulation height, indicated here on a device with a flange: A0020474 Ambient temperature Process temperature Maximum permitted insulation height Insulation material 5.2.6 Mounting with a "Compact"...
  • Page 21 Cerabar PMP71B HART Mounting 5.2.7 Thermal insulation when mounting with a "Temperature isolator" diaphragm seal type Use of temperature isolators in the event of constant extreme medium temperatures which cause the maximum permissible electronics temperature of +85 °C (+185 °F) to be exceeded.
  • Page 22 Mounting Cerabar PMP71B HART Item –35 °C (–31 °F) –70 °C (–94 °F) 80 °C (176 °F) 400 °C (752 °F) 85 °C (185 °F) 300 °C (572 °F) –50 °C (–58 °F) 130 °C (266 °F) –35 °C (–31 °F) –70 °C (–94 °F)
  • Page 23 Cerabar PMP71B HART Mounting • p : Depends on the lowest-rated element, with regard to pressure, of the selected components: Over pressure limit (OPL) of the measuring cell, process connection (1.5 x PN) or fill fluid (80 bar (1 200 psi)) •...
  • Page 24 Mounting Cerabar PMP71B HART When mounting on a pipe, tighten the nuts on the bracket uniformly with a torque of at least 5 Nm (3.69 lbf ft). 5.2.11 Assembling and mounting the separate housing r ³ 120 (4.72) A0038728 Unit of measurement mm (in) Housing mounted with housing adapter, included Mounting bracket provided, suitable for pipe and wall mounting (for pipe diameters from 1 ¼"...
  • Page 25 Cerabar PMP71B HART Mounting WARNING Supply voltage switched on! Risk of electric shock and/or explosion! ‣ Switch off the supply voltage before opening the device. CAUTION Dual-compartment housing: When opening the terminal compartment cover, fingers can get trapped between the cover and the pressure compensation filter.

  • Page 26: Post-Mounting Check

    Mounting Cerabar PMP71B HART NOTICE The housing cannot be unscrewed fully. ‣ Loosen the external locking screw by a maximum of 1.5 turns. If the screw is unscrewed too much or completely (beyond the screw anchor point), small parts (counter disk) can become loose and fall out.

  • Page 27: Electrical Connection

    Cerabar PMP71B HART Electrical connection Electrical connection Connecting requirements 6.1.1 Potential equalization The protective ground on the device must not be connected. If necessary, the potential matching line can be connected to the outer ground terminal of the device before the device is connected.
  • Page 28 Overvoltage protection Devices without optional overvoltage protection Equipment from Endress+Hauser fulfills the requirements of the product standard IEC / DIN EN 61326-1 (Table 2 Industrial Environment). Depending on the type of port (DC power supply, input/output port) different testing levels...
  • Page 29 Cerabar PMP71B HART Electrical connection Overvoltage category Overvoltage category II 6.2.6 Wiring WARNING Supply voltage might be connected! Risk of electric shock and/or explosion! ‣ If the device is used in hazardous areas, comply with national standards and the specifications in the Safety Instructions (XAs). Use the specified cable gland.
  • Page 30 Electrical connection Cerabar PMP71B HART 6.2.7 Terminal assignment Single compartment housing A0042594  3 Connection terminals and ground terminal in the connection compartment Positive terminal Negative terminal Internal ground terminal Dual compartment housing A0042803  4 Connection terminals and ground terminal in the connection compartment...
  • Page 31 Cerabar PMP71B HART Electrical connection 6.2.8 Cable entries A0045414 Cable entry Dummy plug The type of cable entry depends on the device version ordered. Always route connecting cables downwards so that moisture cannot penetrate the connection compartment. If necessary, create a drip loop or use a weather protection cover.

  • Page 32: Ensuring The Degree Of Protection

    Electrical connection Cerabar PMP71B HART Ensuring the degree of protection 6.3.1 Cable entries • Gland M20, plastic, IP66/68 TYPE 4X/6P • Gland M20, brass nickel plated, IP66/68 TYPE 4X/6P • Gland M20, 316L, IP66/68 TYPE 4X/6P • Thread M20, IP66/68 TYPE 4X/6P •...

  • Page 33: Operation Options

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

  • Page 34: Access To The Operating Menu Via The Local Display

    Operation options Cerabar PMP71B HART Access to the operating menu via the local display 7.4.1 Device display (optional) Functions: • Display of measured values and fault and notice messages • Background lighting, which switches from green to red in the event of an error •...
  • Page 35 Requirement • Device with Bluetooth display • Smartphone or tablet with Endress+Hauser SmartBlue app or PC with DeviceCare from version 1.07.00 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 36: Access To The Operating Menu Via The Operating Tool

    The range of functions is different however. 7.5.1 Connecting the operating tool Service interface A0039148 Computer with FieldCare/DeviceCare operating tool Commubox FXA291 Service interface (CDI) of the device (= Endress+Hauser Common Data Interface) At least 22 mA is required to update (flash) the device firmware. Endress+Hauser...

  • Page 37: Historom

    FieldCare Range of functions FDT-based plant asset management tool from Endress+Hauser. FieldCare can configure all intelligent field devices in a system and helps you manage them. By using the status information, FieldCare is also a simple but effective way of checking their status and condition.

  • Page 38: System Integration

    System integration Cerabar PMP71B HART System integration Overview of device description files • Manufacturer ID: 17 (0x0011) • Device type ID: 0x112A • HART specification: 7.6 • DD files, information and files can be found at: • www.endress.com • www.fieldcommgroup.org...
  • Page 39 Cerabar PMP71B HART System integration Device variable Device variable code Loop current Not used The device variables can be queried by a HART ® master using HART ® command 9 or 8.2.2 System units The following table describes the supported pressure measuring units.

  • Page 40: Commissioning

    Commissioning Cerabar PMP71B HART Commissioning Preliminaries The measuring range and the unit in which the measured value is transmitted correspond to the data on the nameplate. WARNING The settings of the current output are relevant for safety! This situation can result in product overflow.

  • Page 41: Establishing A Connection Via Fieldcare And Devicecare

    A0039148 Computer with FieldCare/DeviceCare operating tool Commubox FXA291 Service interface (CDI) of the device (= Endress+Hauser Common Data Interface) At least 22 mA is required to update (flash) the device firmware. Configuring the device address via software See the HART address parameter.

  • Page 42: Setting The Operating Language

    Commissioning Cerabar PMP71B HART Setting the operating language 9.5.1 Local display Setting the operating language To set the operating language, the display first needs to be unlocked: 1. Press the  key for at least 2 s.  A dialog box appears.
  • Page 43 Cerabar PMP71B HART Commissioning 2. Press the "Zero" key for at least 3 s. 3. When the LED lights up briefly, the pressure present has been accepted for the lower range value. Setting the upper range value (pressure or scaled variable) 1.
  • Page 44 In such situations, it is advisable to reset the device to the factory default settings. DeviceCare is available for download at www.software-products.endress.com. You must register in the Endress+Hauser software portal to download the product.
  • Page 45 Cerabar PMP71B HART Commissioning Example: Outputting of the pressure value at the current output Pressure and temperature units are converted automatically. Other units are not converted. In the following example, the pressure value should be measured in a tank and output on the current output.
  • Page 46 Commissioning Cerabar PMP71B HART 1000 450 mbar 1000 l 50 mbar [mbar] A0039010 "Pressure value 1" parameter and "Scaled variable value 1" parameter "Pressure value 2" parameter and "Scaled variable value 2" parameter The pressure present is displayed in the operating tool on the same settings page in the "Pressure"...
  • Page 47 Cerabar PMP71B HART Commissioning 9.6.4 Linearization In the following example, the volume in a tank with a conical outlet should be measured in Prerequisites: • Points for linearization table are known. • Level calibration is performed. • Linearization characteristic must continually increase or decrease.

  • Page 48: Simulation" Submenu

    Commissioning Cerabar PMP71B HART "Simulation" submenu With the Simulation submenu, the pressure, current and diagnostic events can be simulated. Menu path: Diagnostics → Simulation Protecting settings from unauthorized access 9.8.1 Hardware locking or unlocking Zero/I Span/II Display A0043441 DIP switch for locking and unlocking the device DIP switch 1 on the electronic insert is used to lock or unlock operation.
  • Page 49 Cerabar PMP71B HART Commissioning Display operation locks automatically (except in the SIL wizard): • After 1 minute on the main page if no key has been pressed • After 10 minutes within the operating menu if no key has been pressed 9.8.3...

  • Page 50: Operation

    Operation Cerabar PMP71B HART Operation 10.1 Reading off the device locking status Displaying active write protection: • In the Locking status parameter Menu path of local display: at the top operating level Menu path of operating tool: System → Device management •...
  • Page 51 Cerabar PMP71B HART Operation 10.3.1 Sensor calibration In the course of their life cycle, pressure sensors can deviate, or drift, from the original pressure characteristic curve. This deviation depends on the operating conditions and can be corrected in the Sensor calibration submenu.

  • Page 52: Diagnosis And Troubleshooting

    Diagnosis and troubleshooting Cerabar PMP71B HART Diagnosis and troubleshooting 11.1 General troubleshooting 11.1.1 General errors Device not responding • Possible cause: Supply voltage does not match the specification on the nameplate Remedial action: Apply the correct voltage • Possible cause: The polarity of the supply voltage is wrong Remedial action: Correct the polarity •...
  • Page 53 Cerabar PMP71B HART Diagnosis and troubleshooting Device is not visible in the live list • Possible cause: Supply voltage too low Remedial action: Increase the supply voltage. • Possible cause: No Bluetooth connection available Remedial action: Enable Bluetooth in the field device via display or software tool and/or in the smartphone/tablet •...
  • Page 54 Diagnosis and troubleshooting Cerabar PMP71B HART 11.1.3 Additional tests If no clear cause of the error can be identified or the source of the problem can be both the device and the application, the following additional tests can be performed: 1.
  • Page 55 Cerabar PMP71B HART Diagnosis and troubleshooting 11.1.4 Response of current output to errors The response of the current output to errors is defined by the Failure behavior current output parameter. Parameter overview with brief description Parameter Description Selection / User entry Failure behavior current output Defines which current the output assumes in the case of an •...

  • Page 56: Diagnostic Information On Local Display

    Diagnosis and troubleshooting Cerabar PMP71B HART 11.2 Diagnostic information on local display 11.2.1 Diagnostic message Measured value display and diagnostic message in alarm condition Faults detected by the device' s self-monitoring system are displayed as a diagnostic message in alternation with the unit.
  • Page 57 Cerabar PMP71B HART Diagnosis and troubleshooting 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 corresponding status symbol is displayed in front of the diagnostic event.

  • Page 58: Diagnostic Event In The Operating Tool

    Diagnosis and troubleshooting Cerabar PMP71B HART 11.3 Diagnostic event in the operating tool If a diagnostic event has occurred in the device, the status signal appears in the top left status area of the operating tool together with the corresponding symbol for the event level according to NAMUR NE 107: •...
  • Page 59 Cerabar PMP71B HART Diagnosis and troubleshooting 11.6.1 List of diagnostic events Diagnostic Short text Remedy instructions Status Diagnostic number signal behavior [from the [from the factory] factory] Diagnostic of sensor Sensor connection faulty Check sensor connection Alarm Sensor initialization 1. Restart device...
  • Page 60 Diagnosis and troubleshooting Cerabar PMP71B HART Diagnostic Short text Remedy instructions Status Diagnostic number signal behavior [from the [from the factory] factory] Configuration 1. Update firmware Alarm incompatible 2. Execute factory reset Dataset different 1. Check dataset file Warning 2. Check device parameterization 3.

  • Page 61: Event Logbook

    Cerabar PMP71B HART Diagnosis and troubleshooting Diagnostic Short text Remedy instructions Status Diagnostic number signal behavior [from the [from the factory] factory] Low signal noise detected 1. Check impulse line Warning 2. Check valve position 3. Check process Min signal noise detected 1. Check impulse line Warning 2.
  • Page 62 Diagnosis and troubleshooting Cerabar PMP71B HART Info number Info name I1091 Configuration changed I11074 Device verification active I1110 Write protection switch changed I11104 Loop diagnostics I11284 DIP MIN setting to HW active I11285 DIP SW setting active I11341 SSD baseline created...

  • Page 63: Device Reset

    Cerabar PMP71B HART Diagnosis and troubleshooting Info number Info name I11285 DIP SW setting active I11341 SSD baseline created I1151 History reset I1154 Reset terminal voltage min/max I1155 Reset electronics temperature I1157 Memory error event list I1256 Display: access status changed...

  • Page 64: Device Information

    Diagnosis and troubleshooting Cerabar PMP71B HART 11.8.2 Resetting the device via electronic insert keys Resetting Bluetooth password and user role (SW 1/1/2000 and higher) 15 s Display 2× A0050210  8 Sequence for resetting the password Delete/reset the password 1. Press operating key I three times.

  • Page 65: 11.10 Firmware History

    Cerabar PMP71B HART Diagnosis and troubleshooting 11.10 Firmware history The firmware version can explicitly be ordered via the product structure. This makes it possible to ensure the compatibility of the firmware version with an existing or planned system integration. 11.10.1 Version 01.00.zz Original software 11.10.2 Version 01.01.zz...

  • Page 66: Maintenance

    12.1.2 Flushing rings The use of flushing rings allows the membrane to be cleaned without removing the device from the process. For more information: contact the Endress+Hauser sales office. 12.1.3 Exterior cleaning Notes on cleaning • The cleaning agents used should not corrode the surfaces and the seals •...

  • Page 67: Repair

    General information 13.1.1 Repair concept Under the Endress+Hauser repair concept, devices have a modular design and repairs are carried out by Endress+Hauser Service or by properly trained customers. Spare parts are grouped into logical kits with the associated replacement instructions.
  • Page 68 Repair Cerabar PMP71B HART 13.3.1 HistoROM It is not necessary to perform a new device calibration after replacing the display or transmitter electronics. The parameters are saved in the HistoROM. After replacing the transmitter electronics, remove the HistoROM and insert it into the new replacement part.

  • Page 69: Return

    The device must be returned in the event of a factory calibration, or if the wrong device has been ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium.

  • Page 70: Accessories

    Accessories Cerabar PMP71B HART Accessories 14.1 Device-specific accessories 14.1.1 Mechanical accessories • Mounting bracket for housing • Mounting bracket for block & bleed valves • Block&Bleed valves: • Block&Bleed valves can be ordered as enclosed accessories (seal for mounting is enclosed) •...

  • Page 71: Technical Data

    Cerabar PMP71B HART Technical data Technical data 15.1 Output Output signal Current output 4 to 20 mA with superimposed digital communication protocol HART, 2-wire The current output offers a choice of three different operating modes: • 4.0 to 20.5 mA •...
  • Page 72 Technical data Cerabar PMP71B HART Linearization The device' s linearization function allows the user to convert the measured value to any units of height or volume. User-defined linearization tables of up to 32 value pairs can be entered if necessary.
  • Page 73 Cerabar PMP71B HART Technical data Supported functions • Burst mode • Additional transmitter status • Device locking Wireless HART data • Minimum starting voltage: 10.5 V • Start-up current: 3.6 mA • Start-up time: <5 s • Minimum operating voltage: 10.5 V •...

  • Page 74: Environment

    Technical data Cerabar PMP71B HART 15.2 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 segment display or graphic display: •...
  • Page 75 Atmosphere Operation in very corrosive environment For corrosive environments (e.g. maritime environment / coastal areas), Endress+Hauser recommends the use of a PVC-coated capillary armor or a PTFE capillary armor for capillaries and the stainless steel housing. The transmitter can be additionally protected by a special coating (Technical Special Product (TSP)).
  • Page 76 For applications with very high temperatures, either a device with a temperature isolator or with a capillary can be used. If vibrations also occur in the application, Endress+Hauser recommends using a device with a capillary. If a device with a temperature isolator or capillary is used, it must be mounted with a mounting bracket.
  • Page 77 Cerabar PMP71B HART Technical data device with a capillary. If a device with a temperature isolator or capillary is used, it must be mounted with a mounting bracket. Electromagnetic • Electromagnetic compatibility as per EN 61326 series and NAMUR recommendation...

  • Page 78: Process

    Technical data Cerabar PMP71B HART 15.3 Process Process temperature range Standard device (without diaphragm seal) NOTICE The permitted process temperature depends on the process connection, process seal, ambient temperature and the type of approval. ‣ All the temperature data in this document must be taken into consideration when selecting the device.
  • Page 79 Cerabar PMP71B HART Technical data Fill fluid Density kg/m Vegetable oil Inert oil 1900 Density of the diaphragm seal fill fluid at 20 °C (68 °F). The calculation of the operating temperature range of a diaphragm seal system depends on the fill fluid, capillary length and capillary internal diameter, process temperature and oil volume of the diaphragm seal.
  • Page 80 Technical data Cerabar PMP71B HART Diaphragm seal with tantalum membrane –70 to +300 °C (–94 to +572 °F) Devices with PTFE-coated diaphragm seal membrane The anti-stick coating has very good anti-friction properties and protects the membrane against abrasive media. NOTICE Destruction of the device due to incorrect use of PTFE coating! ‣...
  • Page 81 Ultrapure gas applications Endress+Hauser also offers devices for special applications, such as for ultrapure gas, that are cleaned of oil and grease. No special restrictions regarding the process conditions apply to these devices.
  • Page 82 Technical data Cerabar PMP71B HART Hydrogen applications A gold-coated metallic membrane offers universal protection against hydrogen diffusion, both in gas applications and in applications with water-based solutions. Steam applications and For steam and saturated steam applications: Use a device with a metallic membrane or saturated steam provide a water pocket pipe for temperature decoupling when installing.
  • Page 83 Cerabar PMP71B HART Technical data Mounting with a "Compact" diaphragm seal type [°F] [°C] −58 −50 −148 −100 [°C] −60 −40 −20 [°F] −76 −40 −4 A0040383 Ambient temperature at transmitter Maximum process temperature +85 °C (+185 °F) –70 to +120 °C (–94 to +248 °F) +60 °C (+140 °F)
  • Page 84 Technical data Cerabar PMP71B HART [°F] [°C] +752 +400 +662 +350 +572 +300 +482 +250 +392 +200 +302 +150 +212 +100 +122 -148 -100 [°C] [°F] +104 +140 +176 A0039378 No insulation Insulation 30 mm (1.18 in) Maximum insulation Transmitter...
  • Page 85 Cerabar PMP71B HART Technical data Thermal Range Expander The device may only be insulated up to a certain height. The maximum permitted insulation height applies to an insulation material with a thermal conductivity ≤ 0.04 W/ (m x K) and to the maximum permitted ambient temperature and process temperature.
  • Page 86 Index Cerabar PMP71B HART Index Access authorization to parameters Local display Read access ......33 see Diagnostic message Write access .
  • Page 88 *71647854* 71647854 www.addresses.endress.com...

Table of Contents