Dr 5 Correction Factors For Material Flow Rate - Siemens SIWAREX WT241 Manual

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11.8 DR 5 Correction factors for material flow rate

11.8 DR 5 Correction factors for material flow rate
Data record DR 5 stores the correction factors from the material test. In legal trade
operation, the data record is write-protected. The material test is used to determine the
correction factor of a calibrated scale. With a material test, the conveyed amount of material
is subsequently measured or is already known at the beginning of the test.
You can use e.g. totalizer 6 for this material test. In order to prevent the material conveyed
during the test from being included in the balance, stop totalizing using command 652. All
totalizers then stop except for totalizer 6. You can subsequently reset totalizer 6 using
command 674 and use it for the test.
You can determine two different correction points with two different belt loads. A correction
characteristic is then produced depending on the actual belt load. If only one correction point
is to be used, set the "Belt load factor 2" parameter to 0 and the "Belt load factor 1"
parameter to e.g. 40. With this setting, correction factor 1 applies to the complete working
range of the scale. The influence of the belt speed is not taken into consideration for the
correction factors.
Set the correction factors to a value of 1 prior to the test. If this is not possible, you must
correct (multiply) the existing correction factor with the newly calculated factor.
Table 11- 6 Assignment of data record 5
Variable Note
Data record Contains no. of data record
number
Length Data record length information
Application Information about which application
the DR belongs to
Version Information about current data record
identifier version
Belt load Belt load factor for correction point 1
factor 1 (in % of nominal belt load)
(Page 119)
Correction Correction factor with belt load factor 1 FLOAT
factors 1
and 2
(Page 119)
Reserve Reserve
Reserve Reserve
Reserve Reserve
Reserve Reserve
Belt load Belt load factor for correction point 2
factor 2 (in % of nominal belt load)
(Page 119)
Correction Correction factor with belt load factor 2 FLOAT
factors 1
and 2
(Page 119)
118
Type L Rw Default
USHOR 2 r 5
T
USHOR 2 r 40
T
USHOR 2 r 104
T
USHOR 2 r 1
T
FLOAT 4 rw 40
4 rw 1
FLOAT 4 rw 0
FLOAT 4 rw 0
FLOAT 4 rw 0
FLOAT 4 rw 0
FLOAT 4 rw 0
4 rw 1
Min. Max. Register
- - 1244
- - 1245
- - 1246
1 65635 1247
1248
1250
1252
1254
1256
1258
1260
1262
SIWAREX WT241
Manual, 05/2015, A5E36046748A