Siemens SIWAREX WP241 Manual page 5

8 Scale parameters and functions of the belt scale ................................................................................... 69
8.1 Parameters and functions ............................................................................................................ 69
8.2 DR 2 command code ................................................................................................................... 69
8.3 DR 3 Belt scale parameters ......................................................................................................... 70
8.3.1 Scale name .................................................................................................................................. 73
8.3.2 Code for regulations ..................................................................................................................... 73
8.3.3 Unit for belt load ........................................................................................................................... 73
8.3.4 Unit for flow rate ........................................................................................................................... 74
8.3.5 Resolution of weight and belt load ............................................................................................... 74
8.3.6 Resolution of flow rate ................................................................................................................. 74
8.3.7 Resolution of master totalizer ...................................................................................................... 75
8.3.8 Design flow rate ........................................................................................................................... 75
8.3.9 Weigh length ................................................................................................................................ 75
8.3.10 Belt length .................................................................................................................................... 75
8.3.11 Number of belt revolutions ........................................................................................................... 76
8.3.12 Speed detection ........................................................................................................................... 76
8.3.13 Design speed ............................................................................................................................... 76
8.3.14 Speed correction if belt loaded .................................................................................................... 76
8.3.15 Belt load factor for speed correction ............................................................................................ 76
8.3.16 Impulse constant speed sensor ................................................................................................... 77
8.3.17 Initial zero calibration digits .......................................................................................................... 77
8.3.18 Calibration weight......................................................................................................................... 77
8.3.19 Calibration load ............................................................................................................................ 77
8.3.20 Calibration quantity ...................................................................................................................... 78
8.3.21 Span calibration digits .................................................................................................................. 78
8.3.22 Simulation mode .......................................................................................................................... 78
8.3.23 Warm-up timer ............................................................................................................................. 78
8.3.24 Interface for the legal trade display .............................................................................................. 78
8.3.25 Software version for HMI SecureDisplay with verification capability ........................................... 79
8.3.26 Minimum display size in % of the HMI SecureDisplay with verification capability ....................... 79
8.4 Calibration procedure ................................................................................................................... 80
8.4.1 General information ..................................................................................................................... 80
8.4.2 Calibration of the speed ............................................................................................................... 81
8.4.3 Specification of known speed parameters ................................................................................... 82
8.5 Calibration of weight measurement ............................................................................................. 83
8.5.1 Determination of zero point .......................................................................................................... 83
8.5.2 Span calibration by weight ........................................................................................................... 83
8.5.3 Automatic span calibration with load cell data ............................................................................. 84
8.5.4 Span calibration by test chain ...................................................................................................... 85
8.5.5 Span calibration with known material flow ................................................................................... 86
8.6 DR 4 Temporary parameters ....................................................................................................... 87
8.6.1 Stop watch ................................................................................................................................... 89
8.6.2 Result calculator........................................................................................................................... 89
8.7 DR 5 Correction factors for material flow rate .............................................................................. 90
8.7.1 Belt load factor 1 .......................................................................................................................... 91
8.7.2 Belt load factor 2 .......................................................................................................................... 91
8.7.3 Correction factors 1 and 2 ............................................................................................................ 91
SIWAREX WP241
Manual, 04/2014, A5E33713528A
Table of contents
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