User's Manual
Table Of Contents
- 8 Parameter reference
- 9 Service and maintenance
- 10 Diagnosing and troubleshooting
- 11 Technical data
- 12 Dimension drawings
- 12.1 Threaded horn antenna
- 12.2 Threaded horn antenna with extension
- 12.3 Flanged horn antenna
- 12.4 Flanged horn antenna with extension
- 12.5 Flanged encapsulated antenna (2"/DN50/50A sizes only)
- 12.6 Flanged encapsulated antenna (3"/DN80/80A sizes and larger)
- 12.7 Threaded PVDF antenna
- 12.8 Threaded connection markings
- 12.9 Raised-Face flange per EN 1092-1 for flanged horn antenna
- 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna
- 12.11 Flat-Face flange
- 12.12 Process connection tag (pressure rated versions)
- A Appendix A: Technical reference
- B Appendix B: Communications via Foundation Fieldbus
- C Appendix C: Certificates and support
- 13 List of abbreviations
- 14 LCD menu structure
- Glossary
- Index
Parameter reference
SITRANS LR250 (FOUNDATION FIELDBUS)
162 Operating Instructions, 01/2014, A5E32221411-AB
Master Reset (4.1.)
Note
•
The following parameters are not reset by any reset type: Write Protection, PIN to Unlock,
Auto False Echo Suppression Range, Learned TVT.
•
While an FF Object Dictionary Reset is in progress, do not perform an action using the
local display interface until the reset is complete. This could cause a temporary loss of
communications.
Reset Type
Result
Factory Defaults
a)
Default. Resets all user parameters to the manufacturer’s default settings.
Following this type of reset, complete reprogramming is required.
Standard Defaults
Resets all parameters to standard default settings.
Informational Resets parameters such as Block Descriptor, Strategy, Device Install
Date, Device Message.
Functional
a)
Resets parameters that control device behavior and functionality (such as
Low Calibration Point).
Warm Start
Has the same effect as recycling power to the device.
FF Object Dictionary Resets the FF standard block profile parameters (such as block tags) to
their specified defaults. This option also clears any function block
parameters and device schedule
b)
set by the user.
a)
The only difference between Factory Defaults and Functional reset is that Factory Defaults resets
maintenance parameters, such as device and sensor wear, calibration and maintenance timers.
Functional reset does not reset these parameters.
b)
See
Data transmission
in manual
Foundation Fieldbus for Level Instruments
(7ML19985MP01) for
further details.
To access via AMS Device Manager see Master Reset under Operation (RESOURCE)
(Page 99).
To perform a reset via the handheld programmer:
1. Press
RIGHT arrow
to open Edit Mode then scroll down to the desired reset type and
press RIGHT
arrow to select it.
2. Press
LEFT arrow
to exit.
After performing a master reset, the device will stop measuring, the Resource and Level
Transducer Blocks will go to
Out of Service
, and the LUI will show the
Quick Start Wizard
until
the device is configured.