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NAMUR recommendation NE 53

Software and hardware changes for field and signal-processing devices with digital electronics

Overview of current software and hardware changes with link to the respective manufacturer information. It includes details on software and hardware changes, compatibility and operating instructions according to NAMUR recommendation 53. The change management process is based on IEC 61508.

NAMUR recommendation NE 53 ©Endress+Hauser

Current manufacturer information:

Date: 05/2025

Level measurement

Micropilot FMR60B/62B/63B/66B/67B

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Download (EN)>>>

Old Revision: 01.00.03
New Version: 01.01.00

  • Support of additional electronics 2nd Channel output

  • o 020/BB – 2-wire, 4-20mA HART, switch output

  • o 020/BC – 2-wire, 4-20mA HART + 4-20mA analog

  • Support of Tank Editor in Linearization mode

  • Implementation of new number format ft-in 1/16 only for display

  • No impact on functional safety

  • The price will not change

Pressure (level) measurement

Cerabar PMx71B with graphic display
Deltabar PMD7xB with graphic display
Micropilot FMR6xB with graphic display
Liquiphant FTL51B, 6x with graphic display

HART:
Download (DE) >>>
Download (EN) >>>

PROFINET over Ethernet-APL:
Download (DE) >>>
Download (EN) >>>

Old revision: All firmware versions of the graphical display smaller than 01.03.16
New version: 01.03.16 or higher

  • Update of the display firmware

  • No adjustment of the device firmware and hardware

  • No change to the SIL ratings

  • Changes within the display firmware:

  • Adjustment of the sensitivity of the optical touch control

  • Optimisation of the sequence for unlocking

  • The price will not change

Newsletter subscribtion to software and hardware changes


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All manufacturer information at a glance

    • NAMUR Recommendation NE 100 NAMUR Recommendation NE 100

      NAMUR Recommendation NE 100

      NAMUR Recommendation NE 100 is an international device description standard based on properties. It describes the automated data exchange between customers' (users') and supplier' systems.

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