Endress+Hauser Cerabar PMP51B Operating Instructions Manual
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Endress+Hauser Cerabar PMP51B Operating Instructions Manual

Process pressure measurement profinet with ethernet-apl
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BA02228P/00/EN/02.23-00
71605806
2023-02-22
Valid as of version
01.00.zz (Device firmware)
advanced physical layer
Products
Operating Instructions
Cerabar PMP51B
Process pressure measurement
PROFINET with Ethernet-APL
Solutions
Services

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  • Page 1 Products Solutions Services BA02228P/00/EN/02.23-00 71605806 2023-02-22 Valid as of version 01.00.zz (Device firmware) Operating Instructions Cerabar PMP51B Process pressure measurement PROFINET with Ethernet-APL advanced physical layer...
  • 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 PMP51B PROFINET with Ethernet-APL Table of contents Table of contents Cyclic data transmission ....41 About this document ....5 System redundancy S2 .
  • Page 4 Table of contents Cerabar PMP51B PROFINET with Ethernet-APL Index ........83...

  • Page 5: About This Document

    Cerabar PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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: 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 9: Product Safety

    CE mark to the device. 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 10 Basic safety instructions Cerabar PMP51B PROFINET with Ethernet-APL User-specific access code Write access to the parameters of the device via the local display, web browser or operating tool (e.g. FieldCare, DeviceCare) can be protected using the editable, user- specific access code.

  • Page 11: Product Description

    Cerabar PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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...

  • 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL • 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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...
  • Page 21 Cerabar PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL Mounting ø42...60 (1.65...2.36) 122 (4.8) 140 (5.51) 158 (6.22) 175 (6.89) A0028493 Unit of measurement mm (in) Ordering information: • Can be ordered via the Product Configurator • Can be ordered as a separate accessory, part number 71102216 The mounting bracket is included in the delivery if you order the device with a separate housing.
  • Page 24 Mounting Cerabar PMP51B PROFINET with Ethernet-APL Assembly and mounting 1. Insert the connector (item 4) into the corresponding connection jack of the cable (item 6). 2. Insert the cable with the socket (item 6) into the housing adapter (item 1) to the end stop.

  • Page 25: Post-Mounting Check

    Cerabar PMP51B PROFINET with Ethernet-APL Mounting 5.2.14 Turning the housing The housing can be rotated up to 380° by loosening the locking screw. Your benefits • Easy mounting due to optimum alignment of housing • Easily accessible device operation • Optimum readability of the onsite display (optional)

  • Page 26: Electrical Connection

    Electrical connection Cerabar PMP51B PROFINET with Ethernet-APL 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 27 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 28 Electrical connection Cerabar PMP51B PROFINET with Ethernet-APL 6.2.5 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 29: Ensuring The Degree Of Protection

    Cerabar PMP51B PROFINET with Ethernet-APL Electrical connection 6.2.7 Cable entries A0045413 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 30: Post-Connection Check

    Electrical connection Cerabar PMP51B PROFINET with Ethernet-APL NOTICE M12 plug and HAN7D plug: incorrect mounting can invalidate the IP protection class! ‣ The degree of protection only applies if the connecting cable used is plugged in and screwed tight. ‣...

  • Page 31: Operation Options

    The setting of the DIP switches has priority over the settings made via other operation methods (e.g. FieldCare/DeviceCare). Structure and function of the operating menu More elaborate applications can be configured with the Endress+Hauser FieldCare or DeviceCare tools and Bluetooth and the SmartBlue App. More elaborate applications can be configured with the web server.
  • Page 32 Prerequisite • 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 33: Access To Operating Menu Via Web Browser

    Cerabar PMP51B PROFINET with Ethernet-APL Operation options Initial password The serial number of the device serves as the initial password when the connection is established for the first time. Note the following if the Bluetooth module is removed from one device and installed in another device: the password that is changed by the user is only saved in the Bluetooth module and not in the device itself.
  • Page 34 Operation options Cerabar PMP51B PROFINET with Ethernet-APL 7.5.3 Establishing the connection Via PROFINET with Ethernet-APL network A0046097  4 Options for remote operation via PROFINET with Ethernet-APL network: star topology Automation system, e.g. Simatic S7 (Siemens) Ethernet switch Computer with web browser (e.g. Microsoft Edge) for accessing the integrated device web server or computer with operating tool (e.g.
  • Page 35 Cerabar PMP51B PROFINET with Ethernet-APL Operation options A0046626 Device tag Device name Status signal Locking status Current measured values Select language Enter the "Password" parameter Login 1. Select the preferred Language parameter for the web browser. 2. Enter the Password parameter.
  • Page 36 Operation options Cerabar PMP51B PROFINET with Ethernet-APL Navigation area If a function is selected in the function bar, the submenus of the function open in the navigation area. The user can now navigate within the menu structure. Working area Depending on the selected function and the related submenus, various actions can be performed in this area: •...

  • Page 37: Access To The Operating Menu Via The Operating Tool

    Cerabar PMP51B PROFINET with Ethernet-APL Operation options Access to the operating menu via the operating tool The structure of the operating menu in the operating tools is the same as for operation via the local display. The range of functions is different however.
  • Page 38 Cerabar PMP51B PROFINET with Ethernet-APL Service interface A0039148 Computer with FieldCare/DeviceCare operating tool Commubox FXA291 Service interface (CDI) of the device (= Endress+Hauser Common Data Interface) To update (flash) the device firmware, the device must be powered via the power supply terminals. 7.6.2 FieldCare Function scope FDT-based plant asset management tool from Endress+Hauser.

  • Page 39: System Integration

    Cerabar PMP51B PROFINET with Ethernet-APL System integration System integration Overview of device description files 8.1.1 Current version data for the device Firmware version 01.01.zz • On the title page of the Operating Instructions • On the transmitter nameplate • Firmware version System →...
  • Page 40 System integration Cerabar PMP51B PROFINET with Ethernet-APL 8.2.1 File name of the device master file (GSD) Example of the name of a device master file: GSDML-V2.42-EH_PMXXXB_APL_CERABAR-20220214.xml GSDML Description language V2.42 Version of the PROFINET specification Endress+Hauser -PMXXXB_APL_CERABAR Instrument family 20220214 Date of issue (year, month, day) .xml...

  • Page 41: Cyclic Data Transmission

    Cerabar PMP51B PROFINET with Ethernet-APL System integration Cyclic data transmission 8.3.1 Overview of the modules The following graphic shows which modules are available to the device for cyclic data exchange. Cyclic data exchange is performed with an automation system. Device...
  • Page 42 System integration Cerabar PMP51B PROFINET with Ethernet-APL Binary Output module The Binary Output module can cyclically receive discrete output values from the automation system. The device implements an 8-bit type as described in PA PROFILE 4.0x. Of this, 1 bit is used to signal to the device that Heartbeat Verification should be started.

  • Page 43: System Redundancy S2

    Cerabar PMP51B PROFINET with Ethernet-APL System integration Status Coding (hex) Meaning GOOD - Maintenance demanded 0xA8 The measured value is valid. It is highly advisable to service the device in the near future. GOOD - Function check 0xBC The measured value is valid.

  • Page 44: Commissioning

    Commissioning Cerabar PMP51B PROFINET with Ethernet-APL Commissioning Preliminaries The measuring range and the unit in which the measured value is transmitted correspond to the data on the nameplate. WARNING Process pressure above or below permitted maximum/minimum! Risk of injury if parts burst! Warnings are displayed if the pressure is too high.

  • Page 45: Hardware Settings

    FieldCare/DeviceCare via service interface (CDI) A0039148 Computer with FieldCare/DeviceCare operating tool Commubox FXA291 Service interface (CDI) of the device (= Endress+Hauser Common Data Interface) Hardware settings 9.4.1 Setting the device name A measuring point can be quickly identified within a plant on the basis of the Device tag parameter and PROFINET device name parameter.

  • Page 46: Setting The Operating Language

    Commissioning Cerabar PMP51B PROFINET with Ethernet-APL Menu path: System → Connectivity → Ethernet Setting the operating language 9.6.1 Web server A0048882 Language setting 9.6.2 Operating tool See the description of the operating tool. Configuring the device 9.7.1 Commissioning with keys on the electronic insert The following functions are possible via the keys on the electronic insert: •...
  • Page 47 Cerabar PMP51B PROFINET with Ethernet-APL Commissioning 9.7.2 Commissioning with the commissioning wizard In the Web server, SmartBlue and on the display, the Commissioning wizard is available to guide the user through the initial commissioning steps. 1. Connect the device to the Web server.
  • Page 48 Commissioning Cerabar PMP51B PROFINET with Ethernet-APL 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 49: Simulation" Submenu

    Cerabar PMP51B PROFINET with Ethernet-APL Commissioning 9.7.3 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 50: Protecting Settings From Unauthorized Access

    Commissioning Cerabar PMP51B PROFINET with Ethernet-APL Protecting settings from unauthorized access 9.9.1 Hardware locking or unlocking Display A0047196 DIP switch for locking and unlocking the device DIP switch 1 on the electronic insert is used to lock or unlock operation.
  • Page 51 Cerabar PMP51B PROFINET with Ethernet-APL Commissioning The password is defined under: System menu User management submenu The user role can be changed from Maintenance option to Operator option under: System → User management Disabling the lock via the display / FieldCare / DeviceCare / SmartBlue / web server Once the password is entered, you can enable the configuration of the device as an Operator option by entering the password.

  • Page 52: Operation

    Operation Cerabar PMP51B PROFINET with Ethernet-APL 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 53 Cerabar PMP51B PROFINET with Ethernet-APL 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 54: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics 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 55 Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting 11.1.2 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 56: Diagnostics Information Via Led

    Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL 11.2 Diagnostics information via LED 2 3 4 Zero Display A0046179 Item LED Meaning No power LED flashes green • Device commissioning until measured value available • Device reset across all customer interfaces...

  • Page 57: Diagnostic Information On Local Display

    Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting 11.3 Diagnostic information on local display 11.3.1 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 58: Diagnostic List

    Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL Status signals The status signals provide information on the state and reliability of the device by categorizing the cause of the diagnostic information (diagnostic event). Symbol Meaning Failure A device error has occurred...
  • Page 59 Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting 11.5.1 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.

  • Page 60: Diagnostic List

    Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL 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.
  • Page 61 Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting Navigation path Diagnostics → Diagnostic list 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.
  • Page 62 Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL 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.

  • Page 63: Event Logbook

    Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting 11.7 Event logbook 11.7.1 Event history The Event list submenu provides a chronological overview of the event messages that have occurred Navigation path Diagnostics → Event logbook A maximum of 100 event messages can be displayed in chronological order.

  • Page 64: Resetting The Device

    Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL Info number Info name I1398 CDI: access status changed I1440 Main electronic module changed I1444 Device verification passed I1445 Device verification failed I1461 Sensor verification failed I1512 Download started I1513 Download finished...

  • Page 65: Firmware History

    Cerabar PMP51B PROFINET with Ethernet-APL Diagnostics and troubleshooting 11.8.3 Resetting the device via keys on the electronic insert Resetting the password 15 s Display 2× A0050210  8 Sequence - resetting the password Deleting/resetting the password 1. Press operating key I three times.
  • Page 66 Diagnostics and troubleshooting Cerabar PMP51B PROFINET with Ethernet-APL 11.9.1 Version 01.00.zz Original software Endress+Hauser...

  • Page 67: 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 68: 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 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 PMP51B PROFINET with Ethernet-APL 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 PMP51B PROFINET with Ethernet-APL Technical data Technical data 15.1 Output Output signal PROFINET with Ethernet-APL 10BASE-T1L, 2-wire 10 Mbit Signal on alarm Signal on alarm in accordance with NAMUR recommendation NE 43. PROFINET with Ethernet-APL: • According to "Application Layer protocol for decentralized periphery", Version 2.4 •...
  • Page 72 Technical data Cerabar PMP51B PROFINET with Ethernet-APL Configuration options for • Manufacturer-specific software (FieldCare, DeviceCare) device • Web browser • Device master file (GSD), can be read out via the integrated Web server of the device • DIP switch for setting the service IP address Configuration of the •...

  • Page 73: Environment

    Cerabar PMP51B PROFINET with Ethernet-APL Technical data 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: Standard: –40 to +85 °C (–40 to +185 °F)
  • Page 74 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 75 Use either a device with a temperature isolator or with a capillary in applications with very high temperatures. If vibrations additionally occur in the application, Endress+Hauser recommends the use of a device with a capillary. If a device with a temperature isolator or capillary is used, the device must be mounted with a mounting bracket.

  • Page 76: Process

    Technical data Cerabar PMP51B PROFINET with Ethernet-APL 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 77 Cerabar PMP51B PROFINET with Ethernet-APL 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 78 Technical data Cerabar PMP51B PROFINET with Ethernet-APL 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 79 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 80 Technical data Cerabar PMP51B PROFINET with Ethernet-APL A0020474 Ambient temperature Process temperature Maximum permitted insulation height Insulation material Mounting with a "Compact" diaphragm seal type [°F] [°C] −58 −50 −148 −100 [°C] −60 −40 −20 [°F] −76 −40 −4 A0040383...
  • Page 81 Cerabar PMP51B PROFINET with Ethernet-APL Technical data maximum temperature of +400 °C (+752 °F) depending on the fill fluid used. For details see the Technical Information. To minimize the influence of rising heat, mount the device horizontally or with the housing pointing downwards. The additional installation height brings about a zero point shift due to the hydrostatic column in the temperature isolator.
  • Page 82 Technical data Cerabar PMP51B PROFINET with Ethernet-APL Item 67 °C (153 °F) 400 °C (752 °F) 85 °C (185 °F) 200 °C (392 °F) –50 °C (–58 °F) 70 °C (158 °F) –35 °C (–31 °F) –70 °C (–94 °F)
  • Page 83 Cerabar PMP51B PROFINET with Ethernet-APL Index Index Symbols Firmware Release date ......39 "Device ID"...
  • Page 84 Index Cerabar PMP51B PROFINET with Ethernet-APL Workplace safety ......8 Write access ....... 31...
  • Page 88 *71605806* 71605806 www.addresses.endress.com...

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