Commissioning
7.4 Quick calibration with calibration weights and SIWATOOL
SIWAREX WP251
Manual, 12/2015, A5E37203357A
47
different offline parameters will be sent to the scale and overwrite previously active and
intentionally defined parameters.
You must subsequently enter the required parameters in data record DR 10 and send these
to the module.
Image 7-4 Sending/receiving a data record / in SIWATOOL V7
● No. of mechanical support points
If WP251 is connected, for example, to a platform weighing machine in which the
platform is mounted on four load cells, the number of mechanical support points if 4.
If it is connected to a tank that is mounted on one load cell and two fixed point
mountings, there are 3 mechanical support points.
● Characteristic value of a load cell in mV/V, or the mean value of the characteristic values
if there is more than one load cell
● Rated load of a load cell
● Load cell manufacturer
The manufacturer of the installed load cells can be quickly and easily identified in a
service case.
● Load cell order number
The order number of the installed load cells can be quickly and easily identified in a
service case.
● Provided that the calibration weight 0 was specified with 0 (typical case), the scale must
now be empty (only mechanical dead load).
● Activate the "Set Calibration Point 0" (60) command.
→The weight display should now indicate 0.
● Place the previously defined "Calibration weight 1" on the scale
● Activate the "Set Calibration Point 1" (61) command.
→ The calibration weight 1 should be displayed in the weight display.
● Optional: Place the previously defined "Calibration weight 2" on the scale
● Activate the "Set Calibration Point 2" (62) command.
→ The calibration weight 2 should be displayed in the weight display.
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