1. Manuals
  2. Brands
  3. Endress+Hauser Manuals
  4. Control Systems
  5. Cerabar PMC21
  6. Operating instructions manual

Endress+Hauser Cerabar PMC21 IO-Link Operating Instructions Manual

Process pressure measurement
Hide thumbs Also See for Cerabar PMC21 IO-Link:
Table of Contents

Advertisement

Quick Links

Download this manual
BA02299P/00/EN/01.23-00
71620103
2023-06-28
Products
Operating Instructions
Cerabar PMC21
IO-Link
Process pressure measurement
Pressure transducer for safe measurement and
monitoring of absolute and gauge pressure
Solutions
Services

Advertisement

Table of Contents
loading

Related Manuals for Endress+Hauser Cerabar PMC21 IO-Link

Summary of Contents for Endress+Hauser Cerabar PMC21 IO-Link

  • Page 1 Products Solutions Services BA02299P/00/EN/01.23-00 71620103 2023-06-28 Operating Instructions Cerabar PMC21 IO-Link Process pressure measurement Pressure transducer for safe measurement and monitoring of absolute and gauge pressure...
  • Page 2 • The manufacturer reserves the right to modify technical data without prior notice. Your Endress+Hauser distributor will supply you with current information and updates to this manual. Endress+Hauser...

  • Page 3: Table Of Contents

    Cerabar PMC21 IO-Link Table of contents Table of contents Configuring pressure measurement ..30 About this document ....4 Performing position adjustment .

  • Page 4: About This Document

    About this document Cerabar PMC21 IO-Link 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 5: 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 6: Terms And Abbreviations

    About this document Cerabar PMC21 IO-Link Terms and abbreviations A0029505 OPL: The OPL (over pressure limit = sensor overload limit) for the measuring 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 7: Registered Trademarks

    Cerabar PMC21 IO-Link About this document Example • Sensor: 10 bar (150 psi) • Calibrated/adjusted span: 0 to 5 bar (0 to 75 psi) • Upper range limit (URL) = 10 bar (150 psi) • Lower range value (LRV) = 0 bar (0 psi) •...

  • Page 8: Basic Safety Instructions

    Verification for borderline cases: ‣ For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in verifying the corrosion resistance of process-wetted materials, but does not accept any warranty or liability.

  • Page 9: Workplace Safety

    It meets general safety standards and legal requirements. It also complies with the EC directives listed in the device-specific EC Declaration of Conformity. Endress+Hauser confirms this by affixing the CE mark to the device. Endress+Hauser...

  • Page 10: Product Description

    Product description Cerabar PMC21 IO-Link Product description Product design Overview Item Description C - 1 M12 plug C - 1 Housing cap made of plastic A0021987 Housing Process connection (sample illustration) A0027226 Operating principle 3.2.1 Calculating the pressure Devices with ceramic process membrane (Ceraphire ®...

  • Page 11: Incoming Acceptance And Product

    Cerabar PMC21 IO-Link Incoming acceptance and product identification Incoming acceptance and product identification Incoming acceptance DELIVERY NOTE A0028673 1 = 2 A0016870 Is the order code on the delivery note (1) identical to the order code on the product sticker (2)?

  • Page 12: Product Identification

    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. 4.2.1 Manufacturer address Endress+Hauser SE+Co.
  • Page 13 Cerabar PMC21 IO-Link Incoming acceptance and product identification 4.3.2 Transporting the product to the measuring point WARNING Incorrect transport! Housing and membrane may become damaged, and there is a risk of injury. ‣ Transport the measuring device to the measuring point in its original packaging or by the process connection.

  • Page 14: Mounting

    Mounting Cerabar PMC21 IO-Link Mounting Mounting requirements • Moisture must not penetrate the housing when the device is being mounted, the electrical connection is being set up or during operation. • Do not clean or touch process isolating diaphragms with hard and/or pointed objects.

  • Page 15: Mounting Location

    Cerabar PMC21 IO-Link Mounting Mounting location 5.3.1 Pressure measurement Pressure measurement in gases Mount the device with the shutoff device above the tapping point to allow any condensate to flow into the process. A0021904 Device Shutoff device Pressure measurement in vapors For pressure measurement in vapors, use a siphon.

  • Page 16: Mounting Instructions For Oxygen Applications

    Mounting Cerabar PMC21 IO-Link A0024399 Device Shutoff device 5.3.2 Level measurement • Always install the device below the lowest measuring point. • Do not install the device at the following positions: • In the filling curtain • In the tank outlet •...
  • Page 17 Cerabar PMC21 IO-Link Mounting • Is the device adequately protected from precipitation and direct sunlight? • Are the securing screws firmly tightened? • Does the pressure compensation element point downwards at an angle or to the side? • To prevent moisture from penetrating, ensure that the connecting cables/plugs are pointing downwards.

  • Page 18: Electrical Connection

    Electrical connection Cerabar PMC21 IO-Link Electrical connection Connecting the measuring unit 6.1.1 Terminal assignment WARNING Risk of injury from the uncontrolled activation of processes! ‣ Switch off the supply voltage before connecting the device. ‣ Make sure that downstream processes are not started unintentionally.

  • Page 19: Connection Data

    Cerabar PMC21 IO-Link Electrical connection 6.1.3 Current consumption and alarm signal Electronic version Current consumption Alarm signal IO-Link Maximum current consumption: ≤ 300 mA For MAX alarm (factory setting) Connection data 6.2.1 Switching capacity 1) 2) • Switch status ON: I ≤...

  • Page 20: Post-Connection Check

    Electrical connection Cerabar PMC21 IO-Link Post-connection check • Is the device or cable undamaged (visual check)? • Do the cables used comply with the requirements? • Are the mounted cables relieved of tension? • Are all cable glands installed, securely tightened and leak-tight? •...

  • Page 21: Operation Options

    Cerabar PMC21 IO-Link Operation options Operation options IO-Link 7.1.1 IO-Link information IO-Link is a point-to-point connection for communication between the measuring device and an IO-Link master. The measuring device features an IO-Link communication interface type 2 with a second IO function on pin 4. This requires an IO-Link-compatible assembly (IO-Link master) for operation.

  • Page 22: System Integration

    System integration Cerabar PMC21 IO-Link System integration Process data The measuring device' s process data are transmitted cyclically as per SSP 4.3.1 Bit-offset Name Data type Permitted values Offset/gradient Description Process Data 1-bit Uinteger 0 = False Switching signal Input.Switching 1 = True status SSC 1.1...
  • Page 23 Cerabar PMC21 IO-Link System integration 8.2.1 Endress+Hauser-specific device data ISDU (dec) Descriptio ISDU Size Data type Access Default Value Offset/ Data Range (hex) (byte) value range gradient storage limits Sim. 0x0042 UintegerT 0 ~ off current 3 ~ 3.5 4 ~ 4 mA...
  • Page 24 System integration Cerabar PMC21 IO-Link ISDU (dec) Descriptio ISDU Size Data type Access Default Value Offset/ Data Range (hex) (byte) value range gradient storage limits Revisionco 0x0054 UintegerT unter (RVC) Simulation 0x0055 UintegerT 0 = OFF 0 ~ OFF Switch...
  • Page 25 Cerabar PMC21 IO-Link System integration Teach - Single value ISDU (dec) Description ISDU (hex) Size (byte) Data type Access Default value Value range Data storage Teach Select 0x003A UintegerT r/w 0 ~ Default Channel = SSC1.1 Pressure 1 ~ SSC1.1 Pressure 2 ~ SSC1.2 success...
  • Page 26 System integration Cerabar PMC21 IO-Link Measurement Data Information ISDU (dec) Subindex Description ISDU (hex) Size (byte) Data type Access Default Value Data value range storage 16512 0x4080 Float32T Descriptor - Pressure.Lo wer Value 16512 0x4080 Float32T Descriptor - Pressure.Up per Value...
  • Page 27 Cerabar PMC21 IO-Link System integration A0046577  2 SSC, Single Point Hysteresis Sp1 Switch point 1 MV Measured value inactive (orange) active (green) Window Mode always corresponds to whichever value is higher, SP1 or SP2, and SP always corresponds to whichever value is lower, SP1 or SP2.
  • Page 28 System integration Cerabar PMC21 IO-Link A0046578  4 SSC, Two-point Switch point with lower measured value Switch point with higher measured value MV Measurement value Inactive (orange) Active (green) Endress+Hauser...

  • Page 29: Commissioning

    Cerabar PMC21 IO-Link Commissioning Commissioning If an existing configuration is changed, measuring operation continues! The new or modified entries are only accepted once the setting has been made. If block parameter configuration is used, a parameter change is only adopted after the parameter download.

  • Page 30: Configuring Pressure Measurement

    Commissioning Cerabar PMC21 IO-Link Configuring pressure measurement 9.3.1 Adjustment without reference pressure (dry adjustment = adjustment without medium) Example: In this example, a device with a 400 mbar (6 psi) sensor is configured for the measuring range 0 to 300 mbar (0 to 4.4 psi).
  • Page 31 Cerabar PMC21 IO-Link Commissioning 9.3.2 Adjustment with reference pressure (wet adjustment = adjustment with medium) Example: In this example, a device with a 400 mbar (6 psi) sensor is configured for the measuring range 0 to 300 mbar (0 to 4.4 psi).

  • Page 32: Performing Position Adjustment

    Commissioning Cerabar PMC21 IO-Link Performing position adjustment Zero point configuration (ZRO) Navigation Parameter → Application → Sensor → Zero point configuration (ZRO) Description (Typically absolute pressure sensor) A pressure shift resulting from the orientation of the device can be corrected by the position adjustment.
  • Page 33 Cerabar PMC21 IO-Link Commissioning Prerequisite The pressure value present is automatically adopted as the zero point. An offset is possible (parallel shifting of the sensor characteristic) to correct the orientation and any zero point drift. The accepted value of the parameter is subtracted from the "raw measured value".

  • Page 34: Configuring Process Monitoring

    Commissioning Cerabar PMC21 IO-Link Configuring process monitoring For process monitoring, it is possible to specify a pressure range which is monitored by the point level switch. Both monitoring versions are described below. The monitoring function allows the user to define optimum ranges for the process (with high yields etc.) and deploy a point level switch to monitor the ranges.
  • Page 35 Cerabar PMC21 IO-Link Commissioning Navigation Parameter → Application → Current output → Value for 4 mA (STL) Description Assignment of the pressure value which should correspond to the 4 mA value. It is possible to invert the current output. To do so, assign the pressure upper range value to the lower measuring current.
  • Page 36 Commissioning Cerabar PMC21 IO-Link Description The pressure value present is automatically adopted for the 4 mA current signal. Parameter for which the current range can be assigned to any section of the nominal range. This occurs by assigning the pressure lower range value to the lower measuring current and the pressure upper range value to the upper measuring current.

  • Page 37: Application Examples

    Cerabar PMC21 IO-Link Commissioning Application examples 9.7.1 Compressor control with two-point mode Example: The compressor is started when the pressure drops below a certain value. The compressor is switched off when a certain value is exceeded. 1. Set the switch point to 2 bar (29 psi).

  • Page 38: Diagnosis And Troubleshooting

    Diagnosis and troubleshooting Cerabar PMC21 IO-Link Diagnosis and troubleshooting 10.1 Troubleshooting If an invalid configuration exists in the device, the device switches to the fault state. Example: • The diagnostic message "C485" is displayed via IO-Link. • The device is in the simulation mode.
  • Page 39 Cerabar PMC21 IO-Link Diagnosis and troubleshooting Diagnostic event and event text The fault can be identified by means of the diagnostic event. Diagnostic event Status signal Event number ↓ ↓ Example A0013959 If several diagnostic events are simultaneously pending, only the diagnostic message with the highest priority is displayed in the STA via the IODD.
  • Page 40 Diagnosis and troubleshooting Cerabar PMC21 IO-Link 10.2.2 Overview of diagnostic events Status Diagnostic EventCode Event text Cause Remedial measure signal/ behavior Diagnostic event S140 Warning 0x180F Sensor signal outside Overpressure or low pressure Operate device in the specified measuring of permitted ranges present range.

  • Page 41: Behavior Of The Device In The Event Of A Fault

    Cerabar PMC21 IO-Link Diagnosis and troubleshooting Status Diagnostic EventCode Event text Cause Remedial measure signal/ behavior Diagnostic event S971 Warning 0x1811 Measured value is The current is outside the permitted Operate the device within the set span outside sensor range range from 3.8 to 20.5 mA.

  • Page 42: Resetting To Factory Settings (Reset)

    Maintenance Cerabar PMC21 IO-Link Changing the failsafe mode After writing to the device From MAX to MIN Active immediately From MIN to MAX Active immediately 10.4.1 Alarm current Description Option Configured min. alarm current Product Configurator order code "Service" 10.5 Resetting to factory settings (reset) See parameter description Reset to factory settings (RES) →...

  • Page 43: Repairs

    The measuring device must be returned 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 44: Overview Of The Operating Menu

    Overview of the operating menu Cerabar PMC21 IO-Link Overview of the operating menu Depending on the parameter configuration, not all submenus and parameters are available. Information on this can be found in the parameter description under "Prerequisite". IO-Link Level 1...

  • Page 45: Io-Link Level

    Cerabar PMC21 IO-Link Overview of the operating menu IO-Link Level 1 Level 2 Level 3 Details Switching delay time, output 1 (dS1) →  56 Switchback delay time, output 1 (dR1) →  57 Switching Signal Channel 1.2 SSC1.2 Param. SP1 →...

  • Page 46: Description Of Device Parameters

    Description of device parameters Cerabar PMC21 IO-Link Description of device parameters 14.1 Identification Extended order code Navigation Identification → Extended order code Description Used to replace (reorder) the device. Displays the extended order code (max. 60 alphanumeric characters). Factory setting...

  • Page 47: Diagnosis

    Cerabar PMC21 IO-Link Description of device parameters 14.2 Diagnosis Device Status Navigation Diagnosis → Diagnosis → Device Status Description Current device status Selection • 0 = Device OK • 1 = Maintenance required • 2 = Out of specification • 3 = Functional test •...

  • Page 48: Simulation Current Output (Ou2)

    Description of device parameters Cerabar PMC21 IO-Link Options • OFF • OU1 = low (OPN) • OU1= high (CLS) Simulation Current Output (OU2) Navigation Diagnosis → Simulation Current Output (OU2) Description Simulation affects the process data and the physical current output.

  • Page 49: Parameter

    Cerabar PMC21 IO-Link Description of device parameters 14.3 Parameter 14.3.1 Application Sensor Operating Mode (FUNC) Navigation Parameter → Application → Sensor → Operating Mode (FUNC) Description Enables the desired behavior of output 2 (not IO-Link output) Options Options: • OFF •...

  • Page 50: Zero Point Adoption (Gtz)

    Description of device parameters Cerabar PMC21 IO-Link Prerequisite An offset is possible (parallel shifting of the sensor characteristic) to correct the orientation and any zero point drift. The set value of the parameter is subtracted from the "raw measured value". The requirement to be able to perform a zero point shift without changing the span is met with the offset function.

  • Page 51: Damping (Tau)

    Cerabar PMC21 IO-Link Description of device parameters Example 1 • Measured value = 0.002 bar (0.029 psi) • Use the Zero point adoption (GTZ) parameter to correct the measured value with the value, e.g. 0.002 bar (0.029 psi). This means that you are assigning the value 0 bar (0 psi) to the pressure present.

  • Page 52: Value For 4 Ma (Stl)

    Description of device parameters Cerabar PMC21 IO-Link Current output Value for 4 mA (STL) Navigation Parameter → Application → Current output → Value for 4 mA (STL) Description Assignment of the pressure value which should correspond to the 4 mA value.

  • Page 53: Pressure Applied For 20Ma (Gtu)

    Cerabar PMC21 IO-Link Description of device parameters Description The pressure value present is automatically adopted for the 4 mA current signal. Parameter for which the current range can be assigned to any section of the nominal range. This occurs by assigning the pressure lower range value to the lower measuring current and the pressure upper range value to the upper measuring current.
  • Page 54 Description of device parameters Cerabar PMC21 IO-Link Description The device displays warnings and faults. This is done via IO-Link using the diagnostic message stored in the device. The purpose of all device diagnostics is solely to provide information to the user; they do not have a safety function. The errors diagnosed by the device are displayed via IO-Link in accordance with NE107.

  • Page 55: Switching Signal Channel 1.1

    Cerabar PMC21 IO-Link Description of device parameters Teach Single Value Teach Select Navigation Parameter → Teach → Single Value → Teach Select Description Selection of switching signal to be taught Selection • 0 = Default Channel = SSC1.1 Pressure • 1 = SSC1.1 Pressure •...

  • Page 56: Ssc1.1 Param. Sp2

    Description of device parameters Cerabar PMC21 IO-Link SSC1.1 Param. SP2 Navigation Parameter → Signal Switching Channels 1.1 → SSC1.1 Param. SP2 Description Switch point 2 of switching signal SSC1.1 for pressure Selection No selection. The user is free to edit the values.

  • Page 57: Switchback Delay Time, Output 1 (Dr1)

    Cerabar PMC21 IO-Link Description of device parameters Description To prevent switching on and switching off at values around the switch point, you can configure a delay for the specific points within a range of 0 to 50 s with a resolution of 2 decimal places.

  • Page 58: Ssc1.2 Config. Mode

    Description of device parameters Cerabar PMC21 IO-Link Selection • 0 = High active • 1 = Low active Factory setting SSC1.2 Config. Mode Navigation Parameter → Signal Switching Channels 1.2 → SSC1.2 Config. Mode Description Module of switching signal SSC1.2 for pressure Selection •...
  • Page 59 Cerabar PMC21 IO-Link Description of device parameters Description To prevent switching on and switching off at values around the switch-back point, you can configure a delay for the specific points within a range of 0 to 50 s with a resolution of 2 decimal places.

  • Page 60: Hi Max Value

    Description of device parameters Cerabar PMC21 IO-Link 14.3.2 System Device Management HI Max value (maximum indicator) Navigation Parameter → System → Device Management → HI Max value (maximum indicator) Description This parameter is used as the maximum indicator and makes it possible to call up retroactively the highest value ever measured for pressure.

  • Page 61: Observation

    Cerabar PMC21 IO-Link Description of device parameters Description WARNING "Reset to factory settings" causes an immediate reset to the factory settings of the order configuration (as-delivered state). If the factory settings have been changed, downstream processes might be affected following a reset (the behavior of the switch output or current output might be changed).

  • Page 62: Accessories

    Accessories Cerabar PMC21 IO-Link Accessories 15.1 M12 plug-in jacks M12 plug (self-configurable connection to M12 plug) • Degree of protection: IP67 • Material: • Union nut: Cu Sn/Ni • Body: PBT • Seal: NBR • Option : R1 • Order number: 52006263 M12 plug, angled with 5 m (16 ft) cable •...

  • Page 63: Index

    Cerabar PMC21 IO-Link Index Index Parameter description ..... 46 Actual Diagnostics (STA) ..... . 47 Alarm current (FCU) .
  • Page 64 Index Cerabar PMC21 IO-Link Use of measuring device see Designated use Use of the measuring devices Borderline cases ......8 Incorrect use .
  • Page 68 *71620103* 71620103 www.addresses.endress.com...

Table of Contents