Siemens SITRANS LR250 Operating Instructions Manual page 116
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- Operating instructions manual (294 pages) ,
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Parameter reference
Response Rate (2.3.8.1.)
Note
Changing Response Rate resets Fill Rate (2.3.8.2), Empty rate (2.3.8.3), and Filter Time
Constant (2.6.8.1.).
Sets the reaction speed of the device to measurement changes.
Response Rate (2.3.8.1.)
*
Use a setting just faster than the maximum filling or emptying rate (whichever is faster).
Fill Rate (2.3.8.2.)
Defines the maximum rate at which the reported sensor value is allowed to decrease. Allows you
to adjust the SITRANS LR250 response to decreases in the actual material level. Fill Rate is
automatically updated whenever Response rate (2.3.8.1.) is altered.
Options
Altered by:
Related parameters
Enter a value slightly greater than the maximum vessel-filling rate, in units per minute.
Empty Rate (2.3.8.3)
Defines the maximum rate at which the reported sensor value is allowed to increase. Adjusts the
SITRANS LR250 response to increases in the actual material level. Empty Rate is automatically
updated whenever Response Rate (2.3.8.1.) is altered.
Options
Altered by:
Related parameters
• Enter a value slightly greater than the vessel's maximum emptying rate, in units per
Linearization (2.4.)
Volume (2.4.1.)
Carries out a volume conversion from a level value.
114
Fill Rate (2.3.8.2.)
Slow
0.1 m/min (0.32 ft/min)
Medium
1.0 m/min (3.28 ft/min)
Fast
10.0 m/min (32.8 ft/min)
Range: 0 to 99999 m / min.
Response rate (2.3.8.1.)
*
Response rate (2.3.8.1.)
Level unit (2.3.2.)
Range: 0 to 999999 m / min.
Response Rate (2.3.8.1.)
*
Response Rate (2.3.8.1)
Level Unit (2.3.2.)
minute.
Empty rate (2.3.8.3.)
Slow
Medium
Fast
Slow
Medium
Fast
Filter Time Constant
(2.6.8.1.)
10 s
10 s
0 s
Fill rate
0.1 m/min (0.32 ft/min)
1.0 m/min (3.28 ft/min)
10.0 m/min (32.8 ft/min)
Empty Rate
0.1 m/min (0.32 ft/min)
1.0 m/min (3.28 ft/min)
10.0 m/min (32.8 ft/min)
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
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Troubleshooting
