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Siemens SITRANS P DS III Service Manual
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Siemens SITRANS P DS III Service Manual

Siemens SITRANS P DS III Service Manual

Pressure transmitter
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Summary of Contents for Siemens SITRANS P DS III

  • Page 3 ___________________ SITRANS P DS III Introduction ___________________ Safety notes ___________________ Description SITRANS ___________________ Connecting Pressure transmitter ___________________ SITRANS P DS III Maintenance and servicing ___________________ Technical specifications Service Manual ___________________ Ordering data for spare parts/accessories ___________________ Appendix 7MF4.33.. 7MF4.34.. 7MF4.35..
  • Page 4 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 5: Table Of Contents

    Changing the measuring cell and application electronics ............34 User data following replacement ....................35 Replacing parts ..........................40 5.7.1 Guarantee information ......................... 40 5.7.2 Exploded view of the device ......................40 5.7.3 Replacing the connection board ....................41 SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 6 Ordering data for spare parts/accessories ..................... 57 Appendix .............................. 65 Certificate ............................ 65 Technical support ........................65 Repair report for installation of spare parts ................. 67 Glossary ............................... 69 Index ..............................73 SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 7: Introduction

    The programming manual is an integral part of the CD, which is either supplied or can be ordered. The programming manual is also available on the Siemens homepage. On the CD, you will also find the catalog extract with the ordering data, the Software Device Install for SIMATIC PDM for additional installation, and the required software.

  • Page 8: Checking The Consignment

    The devices have an EC type examination certificate and comply with the appropriate harmonized European CENELEC directives. Transmitters with remote seals of different shapes can be delivered for special applications. For example, measuring high-viscosity substances is a special application. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 9: Checking The Compatibility Of The Application Electronics

    030 to 035 K = 01 Replacement possible Table 1- 2 The following table is valid for: SITRANS P DS III with PA (7MF4.34..) and SITRANS P DS III with FF (7MF4.35..) Product version (ES) Compatibility mark Remark 001 to 015...
  • Page 10 Introduction 1.6 Checking the compatibility of the application electronics Example of application electronics for Example of application electronics for SITRANS P DS III with HART SITRANS P DS III with PA and ① Product version (ES) ① Compatibility mark Figure 1-1...

  • Page 11: Transportation And Storage

    ● Devices/replacement parts should be returned in their original packaging. ● If the original packaging is no longer available, please ensure that all shipments are sufficiently protected during transport by the replacement packaging. Siemens accepts no liability for additional costs resulting from damage in transit.

  • Page 12: Notes On Warranty

    The sales contract contains all obligations on the part of Siemens as well as the complete and solely applicable warranty conditions. Any statements regarding device versions described in the manual do not create new warranties or modify the existing warranty.
  • Page 13 Introduction 1.8 Notes on warranty SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 15: Safety Notes

    Danger to personnel, system and environment can result from modifications to the device, particularly in hazardous areas. • Only carry out modifications that are described in the instructions for the device. Failure to observe this requirement cancels the manufacturer's warranty and the product approvals. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 16: Use In Hazardous Areas

    "Not Ex d Not SIL". • Do not swap device parts unless the manufacturer specifically ensures compatibility of these parts. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 17 The key cover may be opened temporarily at any time for the purposes of operating the pressure transmitter, even during plant operation; the screws should then be tightened again. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 18 Safety notes 2.3 Use in hazardous areas SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 19: Description

    ⑬ right-hand one can be used. The unused opening is closed with a blanking plug ⑪ ● The protective conductor terminal/equipotential bonding terminal is located at the back of the enclosure. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 20: Nameplate Layout

    The nameplate bearing the Order No. and other important information, such as design details and technical data, is on the side of the enclosure. ① ② Order number (machine-readable product Serial number code) Figure 3-2 Example of a nameplate SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 21: Measuring Point Label Layout

    Device protection level ③ ⑦ Type of protection Firmware identifier ④ ⑧ Group (gas, dust) Hardware identifier Figure 3-3 Example of a nameplate Measuring point label layout Figure 3-4 Example of measuring point label SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 22 Description 3.3 Measuring point label layout SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 23: Connecting

    WARNING Unsafe extra-low voltage Danger of explosion in hazardous areas due to voltage flashover. • Connect the device to an extra-low voltage with safe isolation (SELV). SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 24 • Circuits of limited energy may also be connected in the energized state in hazardous areas. • Exceptions for type of protection "Non-sparking nA" (Zone 2) are regulated in the relevant certificate SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 25 You can use this device in industrial environments, households and small businesses. For metal housings there is an increased electromagnetic compatibility compared to high- frequency radiation. This protection can be increased by grounding the housing, see Chapter "Connecting the device (Page 26)". SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 26: Connecting The Device

    "-" connection to the ground terminal ⑨ 4. If necessary, connect the shield to the screw of the ground terminal . This is electrically connected with the external protective conductor connection. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 27 Process connection output ④ ⑨ Connecting terminals Ground terminal ⑤ ⑩ Test connector for direct current PROFIBUS PA / Foundation™ Fieldbus measuring device or connection for external display Electrical connection, power supply SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 28 Safety catch (back) Cover (front), optionally with inspection window ④ ⑧ Cover (rear) for electrical terminal compartment Safety catch for stainless steel enclosure Figure 4-1 View of the transmitter: Left: Back right: Front view SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 29: Maintenance And Servicing

    WARNING Impermissible repair of explosion protected devices Danger of explosion in areas subject to explosion hazard. • Repair must be carried out by Siemens authorized personnel only. WARNING Impermissible accessories and spare parts Danger of explosion in areas subject to explosion hazard.
  • Page 30 Improper connection after maintenance Danger of explosion in areas subject to explosion hazard. • Connect the device correctly after maintenance. • Close the device after maintenance work. Refer to Chapter "Connecting the device (Page 26)". SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 31 • Disconnect the device before you open the enclosure or remove enclosure parts. • Observe the special precautionary measures if maintenance is required while the device is live. Have maintenance work carried out by qualified personnel. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 32: Defining The Maintenance Interval

    Device failure, device damage, and risk of injury. • Define a maintenance interval for regular tests in line with device use and empirical values. • The maintenance interval will vary from site to site depending on corrosion resistance. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 33: Checking The Gaskets

    Incorrect measured values will be displayed. Changing the seals in a process flange of a differential pressure measuring cell can alter the start-of-scale value. • Changing seals in devices with differential pressure measuring cells may only be carried out by personnel authorized by Siemens. Note Using the wrong seals Using the wrong seals with flush-mounted process connections can cause measuring errors and/or damage the diaphragm.

  • Page 34: Display In Case Of A Fault

    If a combination of certain firmware versions of measuring cell and application electronics is not possible for technical reasons, the device will identify this problem and go into "Fault current" mode. This information is provided via the HART interface. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 35: User Data Following Replacement

    : The user data identified by is reset to the factory setting following replacement of the application electronics. Table 5- 1 SITRANS P DS III with HART Parameter name in SIMATIC PDM Status of user data following Value following resetting to factory...
  • Page 36 ② * Min/max pointers for application electronics temperature Table 5- 2 SITRANS P DS III with PA Parameter name in SIMATIC PDM Status of user data following replacement of application electronics or measuring cell ① Identification / device / sensor type ①...
  • Page 37 Certificates and approvals / explosion protection ① * Operating hours counter, sensor ① * Min/max pointers for pressure / sensor temperature ② Identification / operating unit / TAG ② Identification / operating unit / description SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 38 Display and user interface / source for display ② Display and user interface / decimal places in display ② Diagnostics settings / enabling of diagnostics ② Diagnostics settings / calibration interval for application electronics (all settings) SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 39 Status of user data following replacement of application electronics or measuring cell ② * Sensor calibration ② * Position error calibration ② * Write block ② * Operating hours counter, application electronics ② * Min/max pointers for electronics temperature SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 40: Replacing Parts

    O-ring between the cover and housing Connection for digital display Display (optional) Measuring cell Threaded bolts Connection board Application electronics Keyboard PCB Measuring cell PCB Mounting screws Housing Figure 5-1 Exploded view of the transmitter SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 41: Replacing The Connection Board

    3. Open the cover (rear) of the electronic connection compartment. 4. Disconnect the cables from the connection board. 5. On the left and right side, remove the recessed-head screws that hold the connection board to the enclosure. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 42 Maintenance and servicing 5.7 Replacing parts 6. Make sure when loosening the recessed-head screws that the washers (serrated washers) are not lost. 7. Remove the connection board. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 43: Replacing The Pushbutton Module

    3. Close the device as described in Chapter Closing the device (Page 26). 5.7.4 Replacing the pushbutton module 1. Isolate the device from power. 2. In order to open the pushbutton flap, loosen the two recessed-head screws on the outside. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 44 1. Work in the reverse order as described in "Procedure for replacing the pushbutton module". 2. When inserting the new pushbutton module, make sure that the magnets of the keys point to the front in the direction of the display. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 45: Replacing The Display

    5.7 Replacing parts 5.7.5 Replacing the display Procedure for replacing the display 1. Open the front cover (optional with inspection window). 2. Remove the recessed-head screws on the left and right on the display. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 46 1. You can also turn the mounting position of the display by 90 ° or 180 °. 2. Work in the reverse order as described in "Procedure for replacing the display". 3. Close the device as described in Chapter Closing the device (Page 26). SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 47: Replacing The Application Electronics

    3. Use a 7 mm socket wrench to remove the hexagon stud bolts on the left and right. 4. Remove the application electronics. 5. Remove the measuring cell PCB from the application electronics. To do this, carefully release the clip using a screwdriver as shown in the following picture. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 48 7. Calibrate the zero point of the device, and also the span if necessary. Calibration of the span is necessary if the device was matched e.g. to a control system prior to replacement of the application electronics. Compare section Technical specifications (Page 55). SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 49: Replacing The Measuring Cell

    When using the differential pressure cell, replace the complete measuring cell with process flanges. 1. Isolate the device from power. 2. Remove the display. Compare section Replacing the display (Page 45). 3. Remove the application electronics. Compare section Replacing the application electronics (Page 47). SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 50 • Do not kink, pinch, tension or twist the ribbon cable. 5. Turn the measuring cell counter-clockwise to remove it from the housing. To do this, use a matching open-end wrench (relative pressure transmitter) or rotate the measuring cell by hand. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 51: Cleaning

    10 MOhm. Cleaning WARNING Dust layers above 5 mm Danger of explosion in hazardous areas. Device may overheat due to dust build up. • Remove dust layers in excess of 5 mm. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 52: Servicing The Remote Seal Measuring System

    Do not use corrosive cleaning agents. Prevent the diaphragm from getting damaged due to sharp-edged tools. NOTICE Improper cleaning of diaphragm Device damage. The diaphragm can be damaged. • Do not use sharp or hard objects to clean the diaphragm. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 53: Return Procedure

    Any devices/replacement parts returned without a decontamination declaration will be cleaned at your expense before further processing. The forms can be found on the Internet as well as in the documentation which comes with the device. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 54: Disposal

    Observe the specific regulations valid in your country. Note Special disposal required The device includes components that require special disposal. • Dispose of the device properly and environmentally through a local waste disposal contractor. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 55: Technical Specifications

    Deviations exist as follows in the measuring accuracy following replacement of the application electronics or measuring cell: Table 6- 1 Technical specifications > measuring accuracy SITRANS P DS III with HART No calibration of zero and span Calibration of zero and span Measurement deviation with...
  • Page 56 Technical specifications SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 57: Ordering Data For Spare Parts/Accessories

    Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 58 Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 59 Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 60 Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 61 Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 62 Ordering data for spare parts/accessories See also Process instrumentation catalog (http://www.siemens.com/processinstrumentation/catalogs) SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 63 Ordering data for spare parts/accessories SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 65: Appendix

    ● Our bulletin board, where users and specialists share their knowledge worldwide. ● Your local contact partner for Industry Automation and Drives Technologies in our partner database. ● Information about field service, repairs, spare parts and lots more under "Services." SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 66 Appendix A.2 Technical support Additional Support Please contact your local Siemens representative and offices if you have any questions about the products described in this manual and do not find the right answers. Find your contact partner at: Partner (http://www.automation.siemens.com/partner) Documentation for various products and systems is available at: Instructions and manuals (http://www.siemens.com/processinstrumentation/documentation)

  • Page 67: Repair Report For Installation Of Spare Parts

    3f. Device information Spare Part(6): Additional spare parts HW: (connection board) Spare part order no.: 7MF4999 - _ _ _ _ _ - _ _ _ _ 4. Additional information Installation location (precise definition) SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 68 ⃞ ESD guidelines were observed: ⃞ Inspected by Ex expert: ⃞ Function test completed: ⃞ Name of Ex expert: Date: Signature of Ex expert: Author name: Date: Author signature: SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 69: Glossary

    Failure/Fault/Error Failure: A resource is no longer capable of executing a required function. Fault/Error: Undesired state of a resource indicated by its incapability of executing a required function. Fault/Error Failure/Fault/Error → SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 70 Typical applications include transmitters for measuring mechanical and electrical dimensions. MAWP (PS) Maximum Allowable Working Preassure (PS) Non-volatile memory EEPROM → Risk Combination of the probability of damage occurring and the extent of the damage. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 71 The SIL which can be achieved is determined by the following safety-instrumented characteristics: ● Average probability of failure on demand (PFD ● Hardware fault tolerance (HFT) ● Safe failure fraction (SFF) srli2 srlin2 → SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...
  • Page 72 "srli2" is used in sections that refer to the on-site operation of the pressure transmitter. The reason for the abbreviation is that the pressure transmitter display is restricted to five characters. The abbreviation "srlin2" is used for HART operation. SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

  • Page 73: Index

    Electrostatic-sensitive device (ESD), 32 Test certificates, 15 Firmware, 7 Hazardous area Laws and directives, 15 History, 7 Hotline, 65 Improper device modifications, 15 Internet, 65 Nameplate, 20 Nameplate with general information, 20 SITRANS P DS III Service Manual, 06/2014, A5E34219855-01...

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