Endress+Hauser Deltabar M PMD55 Brief Operating Instructions
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Endress+Hauser Deltabar M PMD55 Brief Operating Instructions

Differential pressure measurement
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Brief Operating Instructions
Deltabar M
PMD55
Differential pressure measurement
These are Brief Operating Instructions.
For more detailed information, please refer to the Operating Instructions and the
additional documentation on the CD-ROM provided.
These Brief Operating Instructions are not intended to replace the Operating
Instructions provided in the scope of supply.
The complete device documentation consists of:
• these Brief Operating Instructions
• a CD-ROM with:
– the Operating Instructions
– Technical Information
KA01027P/00/EN/14.12
71157157

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  • Page 1 Brief Operating Instructions Deltabar M PMD55 Differential pressure measurement These are Brief Operating Instructions. For more detailed information, please refer to the Operating Instructions and the additional documentation on the CD-ROM provided. These Brief Operating Instructions are not intended to replace the Operating Instructions provided in the scope of supply.

  • Page 2: Table Of Contents

    5.6 Commissioning of Level measurement ............28 Endress+Hauser...

  • Page 3: Safety Instructions

    The documentation number of the related Safety Instructions is also indicated on the additional nameplate. • If using devices for applications with safety integrity level, the separate manual on functional safety must be observed thoroughly (→ see CD-ROM). Endress+Hauser...

  • Page 4: Return

    • When routing the impulse piping outdoors, ensure that sufficient anti-freeze protection is used, e.g. by using pipe heat tracing. • Install the impulse piping with a monotonic gradient of at least 10%. • Endress+Hauser offers a mounting bracket for installing on pipes or walls (see Operating Instructions BA00382P). Endress+Hauser...
  • Page 5 • Mount the Deltabar M below the lower measuring connection so that the impulse piping is always filled with liquid. • Always connect the low-pressure above the maximum level. • When measuring in media with solid parts, such as dirty liquids, installing separators and drain valves is useful for capturing and removing sediment. Endress+Hauser...

  • Page 6: Post-Installation Check

    Post-installation check After installing the device, carry out the following checks: • Are all screws firmly tightened? • Are the housing covers screwed down tight? • Are all locking screws and vent valves firmly tightened? Endress+Hauser...

  • Page 7: Wiring

    Switch on supply voltage. 4…20 mA 11.5 V DC P01-PMD55xxx-04-xx-xx-xx-010 Electrical connection 4...20 mA HART Terminals for supply voltage and signal Test terminals Grounding terminal Supply voltage: 11,5 ... 45 VDC (versions with plug connectors: 35 V DC) External ground terminal Endress+Hauser...

  • Page 8: Connecting The Measuring Unit

    To keep the corresponding measured error below 0.1%, the current measuring device should exhibit an internal resistance of < 0.7 Ω. 3.2.2 Cable specification • Endress+Hauser recommends using twisted, shielded two-wire cables. • Terminals for wire cross-sections 0.5 to 2.5 mm (20 to 14 AWG) •...

  • Page 9: Post-Connection Check

    Switch 4: "SW/Square root"; used to control the output characteristics Switch 5: "SW/P2-High"; used to determine the high-pressure side Slot for optional local display Green LED to indicate successful operation Operating keys for lower range value (zero) and upper range value (span) Endress+Hauser...
  • Page 10 The value for the delay time can be configured via the operating menu ("Setup" -> "Damping"). Factory setting: τ = 2 s or as per order specifications. Endress+Hauser...

  • Page 11: Operation With Operating Menu

    Individual parameters/functions from the overall functionality of the devices are required for this purpose time and again. In addition to technical, process-oriented tasks, experts can also perform administrative tasks (e.g. user administration). "Experts" can avail of the entire parameter set. Endress+Hauser...
  • Page 12 Contains all the parameters for configuring the HART interface. • Application Contains all the parameters for configuring the functions that go beyond the actual measurement (e.g. totalizer). • Diagnosis Contains all the parameters that are needed to detect and analyze operating errors. Endress+Hauser...
  • Page 13 90 mm (3.54 in) cable. The display of the device can be turned in 90° stages (see figure steps 4 to 6). Depending on the orientation of the device, this makes it easy to operate the device and read the measured values. P01-Mxxxxxxx-19-xx-xx-xx-008 Endress+Hauser...
  • Page 14 • Comprehensive diagnostic functions (fault and warning message etc.) Measured value display Device tag Value Header line Symbol Main line Unit Information line – Bargraph Operating menu Operating keys Parameter with selection list Direct Access Selection Code options Freely editable parameter Value that can be edited P01-Mxxxxxxx-07-xx-xx-xx-002 Endress+Hauser...

  • Page 15: Display Symbols

    ESC functions: – Exit the edit mode for a parameter without saving the changed value. – You are in a menu at a selection level. Each time you press the keys simultaneously, you go up a level in the menu. Endress+Hauser...
  • Page 16 The local display shows the parameter to be changed. The value highlighted in black can be changed. The "mbar" unit is specified in another parameter and cannot be modified here. P01-PMD55xxx-19-xx-xx-xx-003 Press "+" or "–" to get to the editing mode. The first digit is highlighted in black. P01-PMD55xxx-19-xx-xx-xx-004 Endress+Hauser...
  • Page 17 – You exit the edit mode for the parameter with "E" . – You can get back to the editing mode with "+" or "–". P01-PMD55xxx-19-xx-xx-xx-008 Accepting the pressure present Example: setting position adjustment Local display Operation The pressure for position adjustment is present at the device. P01-PMD55xxx-19-xx-xx-xx-009 Endress+Hauser...
  • Page 18 If operation is locked by means of the DIP switch, you can only unlock operation again by means of the DIP switch. If operation is locked by means of the operating menu, you can only unlock operation again using the operating menu. The "Operator code" parameter is used to lock and unlock the device. Endress+Hauser...

  • Page 19: Commissioning

    The device is configured for the Pressure measuring mode as standard. The measuring range and the unit in which the measured value is transmitted correspond to the specifications on the nameplate. depending on the setting in the "Alarm behavior" (050) parameter Endress+Hauser...

  • Page 20: Commissioning Without An Operating Menu

    5.1.2 Level measuring mode The following functions are possible by means of the keys on the electronic insert: • Position adjustment (zero point correction) • Setting the lower and upper pressure value and assigning to the lower and upper level value Endress+Hauser...
  • Page 21 Observe the input ("empty pressure") Observe the input ("full pressure") Observe the input limits. and assigned to the limits. and assigned to the limits. lower level value upper level value ("empty ("full calibration"). calibration"). Observe warning on commissioning (→ ä 19) Endress+Hauser...
  • Page 22 Observe pressure value maximum pressure the input limits. ("Max. Press. Flow") value. Observe the and assigned to the input limits. maximum flow value ("Max. Flow"). Observe warning concerning the commissioning (page → ä 19). Endress+Hauser...

  • Page 23: Commissioning With An Operating Menu

    If the measuring mode is changed, no conversion takes place. If necessary, the device has to Menu path: Setup be recalibrated after the measuring mode has been changed. → Measuring mode Options: • Pressure • Level • Flow Factory setting: Pressure Endress+Hauser...

  • Page 24: Position Zero Adjustment

    – You correct the measured value via the "Pos. zero adjust" parameter with the "Confirm" option. This means that you assign the value 0.0 to the pressure present. – Measured value (after pos. zero adjust) = 0.0 mbar – The current value is also corrected. Options • Confirm • Abort Factory setting: Abort Endress+Hauser...

  • Page 25: Commissioning Of Differential Pressure Measurement

    Note! The damping is only active if DIP switch 2 ("damping τ") is in the ON position. Pressure after damping (111) Displays the measured pressure after sensor trim, position adjustment and damping. Display Endress+Hauser...

  • Page 26: Commissioning Of Flow Measurement

    – The current value is also corrected. Max. flow (009) Enter maximum flow of primary element. Entry See also layout sheet of primary element. The maximum flow is assigned to the maximum pressure which you enter via the "Max. pressure flow" (010) parameter. Endress+Hauser...
  • Page 27 The damping is only active if DIP switch 2 "damping τ" is in the ON position. Flow (018) Displays the present flow value. Display Pressure after damping (111) Displays the measured pressure after sensor trim, position adjustment and damping. Display Endress+Hauser...

  • Page 28: Commissioning Of Level Measurement

    The value will be rejected, and a message output, if the values are too close together. Other limit values are not checked, i.e. the values entered must be appropriate for the sensor and the measuring task for the device to be able to measure correctly. Endress+Hauser...
  • Page 29 Menu path: Setup → Extended setup → Level → Full calib. Result: The measuring range is set for 0 to 3 m (9.8 ft). 0 m corresponds to an output current of 4 mA. 3 m (9.8 ft) corresponds to an output current of 20 mA. Endress+Hauser...
  • Page 30 Select a volume unit via the "Output unit" parameter, here "l" for example. Menu path: Setup → Extended setup → Level → Output unit Select the "Dry" option via the "Calibration mode" parameter. Menu path: Setup → Extended setup → Level → Calibration mode Endress+Hauser...
  • Page 31 The value will be rejected, and a message output, if the values are too close together. Other limit values are not checked, i.e. the values entered must be appropriate for the sensor and the measuring task for the device to be able to measure correctly. Endress+Hauser...
  • Page 32 Select a height unit via the "Height unit" parameter, here "m" for example. Menu path: Setup → Extended setup → Level → Height unit Select the "Wet" option via the "Calibration mode" parameter. Menu path: Setup → Extended setup → Level → Calibration mode Endress+Hauser...
  • Page 33 1000 l (264 US gal) corresponds to an output current of ➂ ➄ 20 mA. P01-FMX21xxx-05-xx-xx-xx-032 Calibration without reference pressure (dry calibration) See table, Step 12. See table, Step 8. See table, Step 9. See table, Step 10. See table, Step 11. Endress+Hauser...
  • Page 34 Select a height unit via the "Height unit" parameter, here "m" for example. Menu path: Setup → Extended setup → Level → Height unit Select the "Wet" option via the "Calibration mode" parameter. Menu path: Setup → Extended setup → Level → Calibration mode Endress+Hauser...
  • Page 35 0 l corresponds to an output current of 4 mA. 1000 l (264 US gal) corresponds to an output current of 20 mA. P01-FMX21xxx-05-xx-xx-xx-030 Calibration with reference pressure (wet calibration) See table, Step 10 . See table, Step 8. See table, Step 9. Endress+Hauser...
  • Page 36 KA01027P/00/EN/14.12 71157157 CCS/FM+SGML 9 71157157...

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