KROHNE OPTIBAR DP 3050 Handbook
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KROHNE OPTIBAR DP 3050 Handbook

Compact differential pressure transmitter for measuring flow, level and differential pressure 2-wire 4...20 ma hart
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OPTIBAR DP 3050
OPTIBAR DP 3050
OPTIBAR DP 3050
OPTIBAR DP 3050
Compact differential pressure transmitter for
measuring flow, level and differential pressure
2-wire 4...20 mA HART:
2-wire 4...20 mA HART
2-wire 4...20 mA HART
2-wire 4...20 mA HART
ER: from 1.01._
© KROHNE 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en
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  • Page 1 Compact differential pressure transmitter for measuring flow, level and differential pressure 2-wire 4...20 mA HART 2-wire 4...20 mA HART 2-wire 4...20 mA HART 2-wire 4...20 mA HART: ER: from 1.01._ © KROHNE 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 2 All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without the prior written authorisation of KROHNE Messtechnik GmbH. Subject to change without notice. Copyright 2020 by KROHNE Messtechnik GmbH - Ludwig-Krohne-Str. 5 - 47058 Duisburg (Germany) www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 3: Table Of Contents

    3.10.1 In open vessels with impulse line..................26 3.10.2 In closed vessels with gas-filled impulse lines..............27 3.10.3 In closed vessels with liquid / condensate filled impulse lines ......... 28 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 4 6.5 Repairs..........................44 6.6 Returning the device to the manufacturer..............45 6.6.1 General information......................45 6.6.2 Form (for copying) to accompany a returned device............46 6.7 Disposal .......................... 46 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 5 8.2 Software history ......................64 8.3 Connection variants......................65 8.3.1 Point-to-Point connection - analogue / digital mode............65 ® 8.4 Inputs / Outputs and HART dynamic variables and device variables......66 9 Notes 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 6: Safety Instructions

    In the table below, "x" is a placeholder for possible multi-digit alphanumeric combinations, depending on the available version. Release date SW version HW version Changes and Documentation compatibility 2019-01-01 1.01.X_ 1.00.X_ MA OPTIBAR DP 3050 R01 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 7: Intended Use

    The manufacturer is not liable for any damage resulting from improper use or use for other than the intended purpose. The OPTIBAR DP 3050 is a differential pressure transmitter suitable for measuring flow, level and differential pressure. The available measurement ranges and the respective permissible overloads are indicated on the nameplate.

  • Page 8: Technical Limits

    CE marking. For full information of the EU directives and standards and the approved certifications, please refer to the EU declaration on the KROHNE website. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 9: Safety Instructions From The Manufacturer

    The manufacturer reserves the right to alter the content of its documents, including this disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable in any way for possible consequences of such changes. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 10: Product Liability And Warranty

    This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. Special considerations and precautions are also described in the document, which appear in the form of icons as shown below. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 11: Warnings And Symbols Used

    In general, devices from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel. This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 12: Device Description

    • Mounting bracket INFORMATION! Assembly materials and tools are not part of the delivery. Use the assembly materials and tools in compliance with the applicable occupational health and safety directives. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 13: Device Design

    Figure 2-2: Basic components of single chamber pressure transmitter 1 Housing cover, optional with display and adjustment module below 2 Housing with electronics and cable entry (aligned parallel to process axis) 3 Process assembly with measuring cell 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 14: Connection Variants

    • Optional: Oval flange adapter 1/2-14 NPT (female) • Mounting thread: 7/16 UNF, optional M10 The optional venting and drain valves on the device must be chosen according to the installation situation. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 15: Nameplates

    6 Permissible temperature range 7 Electronics power supply and signal output 8 Ingress protection and material of wetted parts (Diaphragm, process connections, sealing and fill fluid) 9 Approvals and approval guidelines 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 16: Terms And Abbreviations

    URL= 3 bar / 43.5 psi URV= 2 bar / 29 psi CAL SPAN CAL SPAN= 1.5 bar / 21.75 psi CAL SPAN CAL SPAN LRV= 0.5 bar / 7.25 psi TD= 2:1 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 17: Installation

    PE foil. For special versions, PE foam or PE foil is also used. Dispose of the packaging material via specialised recycling companies. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 18: Storage

    In addition, extreme ambient conditions including large fluctuations in temperature, vibrations and shocks should be kept as far away as possible from the measuring equipment. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 19: Mounting

    For optimal readability, the display can be rotated on this bracket by 350°, adjusting to any of the pressure transmitter's possible installation positions. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 20: Process Connections

    The process connections of the differential pressure transmitter are usually 1/4-18 NPT (female) at a distance of 54 mm / 2.13". Through optional oval flange adapters, the connections 1/2-14 NPT (female) are also selectable. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 21: Mounting Bracket

    3 4x Hexagonal head screw 7/16-20 UNF x 1/2 Grade5 4 2x Cylinder head screw ISO 4762-M10-14-A4-50 5 2x Washer ISO 7089-10-200-HV 6 1x Mounting bracket Mounting bracket for easy pipe or wall mounting. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 22: Manifolds

    With a 5-way manifold, two additional valves allow to blow out of the impulse lines and the calibration of the differential pressure transmitter in place. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 23: Differential Pressure Transmitter

    BAM (DIN 19247). • Depending on the seal material, certain temperatures and pressures must not be exceeded Technical data in oxygen applications, refer to on page 48. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 24: Measurement Setup For Flow Measurement

    Figure 3-6: Application example 1 Pipeline with primary element 2 Low-pressure line (L) 3 High-pressure line (H) 4 3-valve manifold 5 Shut-off valve 6 Equalizing valve 7 Shut-off valve 8 Pressure transmitter www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 25: In Vapours And Pure Liquids

    1 Pipeline with primary element 2 Primary shut-off valve 3 Low-pressure line (L) 4 High-pressure line (H) 5 3-valve manifold 6 Shut-off valve 7 Equalizing valve 8 Shut-off valve 9 Pressure transmitter 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 26: Measurement Setup For Level Measurement

    • The low-pressure side (L) is open to atmospheric pressure. • For measurements of fluids with solid content, the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 27: In Closed Vessels With Gas-Filled Impulse Lines

    • The low-pressure side (L) must always be connected above the maximum level. • For measurements of fluids with solid content, the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 28: In Closed Vessels With Liquid / Condensate Filled Impulse Lines

    • The low-pressure side (L) must always be connected above the maximum level. • For measurements of fluids with solid content, the installation of separators and drain valves is recommended to enable collection and removal of debris and sediment. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 29: Electrical Connections

    The cable glands with metric threads are screwed in by the factory. They are sealed using plastic plugs to protect them during transport. Remove these plugs prior to establishing an electrical connection. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 30: Requirements For Signal Cables Supplied By The Customer

    2 Tighten the screw connections of the cable entry. 3 Never mount the housing with the cable entries facing upwards. 4 Seal cable entries that are not needed with a plug. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 31: Cable Preparation

    IP protection class. • 4.5...10 mm / 0.18...0.39" (standard) • 4...11 mm / 0.16...0.43" (optional) Figure 4-2: Stripping the cable 1 40...50 mm / 1.6...2" 2 5 mm / 0.2" 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 32: Connector Pin Assignment

    Not used Pin 3 Black Pin 4 4.2.5 Connection to the power supply Figure 4-4: Connection to the power supply 1 Red 2 Black 3 Power supply with load www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 33: Cable Shield And Grounding

    Figure 4-5: Connection in the terminal compartment 1 (V ) signal terminals 2 (V ) signal terminals 3 Push button Zero point (Zero) 4 Push button Span point (Span) 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 34: Grounding The Measuring Device

    The current output is a 2-wire 4…20 mA output with a low alarm of 3.6 mA and high alarm of ® 21 mA set by default. A high frequency HART signal superimposes this signal. For further Technical data information on the current output, refer to on page 48. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 35: Start-Up

    2. Indication of the device type, hardware and software version as well as the measurement loop name on the display. 3. Output signal jumps to the set alarm current. 4. The current measuring value is emitted to the signal cable. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 36: Factory Settings On Delivery

    5.3.1 Operation without display and adjustment module To configure the device without the display and adjustment module, the housing cover must be open, providing clear access to the push buttons on the connection board. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 37: Sensor Mounting Correction (Offset)

    Prior to starting with the correction, ensure that the pressure transmitter has already reached its operating temperature (approx. 5 minutes operating time, where the pressure transmitter has already reached the ambient temperature). 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 38: Zero Point And Lower Range Limit (4 Ma)

    The pressure must be stable with sufficient accuracy for the application. Hold the push button down for at least 1 second and release within 5 seconds. This way the upper range value is stored in a fail-safe memory. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 39: Factory Reset

    Display during measuring mode Figure 5-5: Example of display during normal measuring mode 1 TAG ID 2 Measured value 3 Bargraph indication in % 4 Unit of measured value 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 40 4 Button used to go back one level in the menu (BACK) Navigation in the operating menu MENU EDIT → → → Normal Config. Editing Edit operation menu menu ← ← ↑↓ ← BACK BACK SAVE BACK QUIT www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 41: Structure Of The Operating Menu

    Selection from list or confirm action: SAVE: save selection BACK: one level back ↓: navigate down the list ↑: navigate up the list Table 5-2: Overview structure of the operating menu 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 42: Description Of The Function

    System time Display on the hour counter. Devices info Information about the device, serial number etc. Table 5-3: Description of the function 1 Also available when write protection is enabled. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 43: Service

    • Ensure the correct position and exact alignment of the two process flanges. • A flat surface is suitable as an aid for aligning the process flanges. • Use undamaged M8 screws for cap mounting and tighten them crosswise. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 44: Maintenance

    These include repair, maintenance, technical support and training. INFORMATION! For more precise information, please contact your local sales office. 6.5 Repairs Repairs must be carried out exclusively by the manufacturer or the manufacturer authorised specialist companies. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 45: Returning The Device To The Manufacturer

    • such dangerous substances, to enclose a certificate with the device confirming that it is safe to handle and stating the • product used. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 46: Form (For Copying) To Accompany A Returned Device

    The user must dispose of the WEEE to a designated collection point for the recycling of WEEE or send them back to our local organisation or authorised representative. www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 47: Technical Data

    If the measurement limit is exceeded, the overload system 5 restricts the prevailing process pressure at the differential pressure sensor and protects it from damage. 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 48: Technical Data

    <± 0.01% x TD 500 mbar / 7.3 psi <± 0.05% + 0.005% x TD 3 bar / 43.51 psi 16 bar / 232.1 psi <± 0.01% x TD www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 49 63% of the input variable 0…999 seconds, adjustable in 0.1 second steps. Temperature Temperature Temperature Temperature ® The evaluation is made using the HART output signal. Resolution 1°C / 1.8°F ± 1°K Accuracy 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 50 IEC 529 / according to IEC 529 / electrical connection) according to IEC 529 / according to IEC 529 / EN 60529 EN 60529 EN 60529 EN 60529 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 51 316L / 1.4404 Cable gland Plastic (polyamide) black; nickel-plated brass; 316 / 1.4305 Process connection Process 1/4-18 NPT (Female), IEC 61518 A Mounting 7/16 UNF, M10 (up to PN160) 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 52 0.5 seconds: with digital filter + PT1 element from 1.0 second: 63% of the input measurement from 1…30 seconds can be set in 1 second increments Boot-up time first 3.5 seconds measurement value www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 53: Pressure Ranges

    160 bar 160 bar (maximum system pressure) Minimum system 1 mbar abs (under reference conditions) pressure 1 MWP corresponds to the PS designation in the PED (maximum system pressure) 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 54: Ambient Temperature Effect On Current Output

    7.4 Ambient temperature effect on current output < 0.05% / 10 K, max. < 0.15%, each case at -40…+80°C / -40…+176°F Figure 7-1: Ambient temperature effect on current output 1 Falling characteristics 2 Rising characteristics www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 55: Dynamic Behaviour Of The Current Output

    100 mbar / 1.50 psi 500 mbar / 7.3 psi 3 bar / 43.51 psi 16 bar / 232.1 psi 1 Step response time is the sum of dead time and T90% 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 56: Dimensions And Weight

    7.6 Dimensions and weight Figure 7-3: Dimension of the enclosure Dimension Blind Version Version with display inch inch 2.52 2.52 M16 x 1.5 Table 7-1: Dimension in mm / inch www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 57 1/4-18 NPT Weight [kg] Weight [lb] Process connection 1.48 3.26 INFORMATION! Overall height of the differential pressure transmitter = b (process connection) + overall height of the respective housing 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 58 Weight [kg] Weight [lb] Process connection, side vent 0.734 1.62 INFORMATION! Overall height of the differential pressure transmitter = b (process connection) + overall height of the respective housing www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 59 Dimension [inch] 3.15 83.9 12.5 0.49 41.3 1.63 2.36 2.13 4.92 7/16 UNF 1/4-18 NPT according to IEC 61518 A Weight [kg] Weight [lb] Process connection, side vent 3.31 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 60 Dimension [mm] Dimension [inch] 2.83 41.3 1.63 2.36 2.13 4.92 7/16 UNF 1/4-18 NPT according to IEC 61518 A Weight [kg] Weight [lb] Process connection, side vent 0.629 1.39 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 61 TECHNICAL DATA OPTIBAR DP 3050 Figure 7-8: Oval flange adapter (Ax) Dimension [mm] Dimension [inch] 25.3 0.996 41.3 1.63 2.36 1/2 NPT Weight [kg] Weight [lb] Mounting bracket 0.196 0.43 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 62 Figure 7-9: Mounting bracket for pipe and wall mounting 2¨ / 50.8 mm Dimension [mm] Dimension [inch] 2.76 41.3 1.63 4.17 2.76 2.13 1.57 4.33 1.61 1.57 Weight [kg] Weight [lb] Mounting bracket 0.33 0.73 www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...
  • Page 63 TECHNICAL DATA OPTIBAR DP 3050 Figure 7-10: Drilling diameter for mounting bracket Dimension [mm] Dimension [inch] 0.39 0.43 0.16 0.39 4x Ø12 4x Ø0.47 0.16 0.39 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 64: Description Of Hart Interface

    Table 8-1: Overview software history ® HART identification codes and revision numbers Manufacturer ID: 69 (0x45) Device: 170 (0xAA) Device Revision: ® HART Universal Revision: Table 8-2: Overview identification codes and revision numbers www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 65: Connection Variants

    3 HART signal 4 OPTIBAR DP 3050 ® 5 Secondary master with HART 6 Power supply for devices (slaves) with passive current output 7 Load ≥ 250 Ω (Ohm) 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...

  • Page 66: Inputs / Outputs And Hart ® Dynamic Variables And Device Variables

    PV = Primary Variable; SV = Secondary Variable; TV = Third Variable; QV = Quarternary Variable ® HART dynamic variable Physical unit Static pressure Meas. cell temp. Electronic temperature ® ® Table 8-3: HART output values acc. to HART 7 (factory setting) www.krohne.com 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en...

  • Page 67: Notes

    NOTES OPTIBAR DP 3050 04/2020 - 4007695701 - MA OPTIBAR DP 3050 R01 en www.krohne.com...
  • Page 68 • Process Analysis • Services Head Office KROHNE Messtechnik GmbH Ludwig-Krohne-Str. 5 47058 Duisburg (Germany) Tel.: +49 203 301 0 Fax: +49 203 301 10389 info@krohne.com The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...

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