Siemens SITRANS LG250 Operating Instructions Manual page 51
Guided wave radar
4...20 ma/hart - two-wire
rod and cable probe
with sil qualification
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Also See for SITRANS LG250:
- Operating instructions manual (92 pages) ,
- Operating instructions manual (76 pages) ,
- Operating instructions manual (84 pages)
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Additional settings - PIN
Additional adjustments -
Date Time
Additional adjustments
- Reset
PBD-51041388
During the function test, the safety function must be treated as unsafe.
Keep in mind that the function test influences downstream connected
devices.
You can find detailed information on the proof test in the Safety
Manual (SIL).
Entering a 4-digit PIN protects the sensor data against unauthorized
access and unintentional modification. In this menu item, the PIN is
displayed or edited and changed. However, this menu item is only
available if adjustment is enabled in the menu "Lock/Release setup/
adjustment".
In delivery status, the PIN is "0000".
In this menu item, the internal clock of the sensor is adjusted.
With a reset, certain parameter adjustments carried out by the user
are reset.
The following reset functions are available:
Delivery status: Restoring the parameter settings at the time of ship-
ment from the factory incl. the order-specific settings. A created false
signal suppression, user-programmable linearization curve as well as
the measured value memory will be deleted.
Basic settings: Resetting of the parameter settings incl. special
parameters to the default values (presettings) of the respective instru-
ment. Any created false signal suppression or user-programmable lin-
earization curve as well as the measured value memory are deleted.
The following tables show the default values of the instrument. De-
pending on the instrument version or application, all menu items may
not be available or some may be differently assigned.
The menu items in bold are safety-relevant in terms of the functional
safety according to IEC 61508 (Edition 2) SIL.
SITRANS LG250 - Operating Instructions
51
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