Siemens Milltronics BW500, Operating Instructions Manual

Page: 91 / 220

Recalibration
7.5 Online Calibration
BW500 and BW500/L
Operating Instructions, 12/2016, A5E33482052-AD
89
Material continues to be discharged from the weigh bin, and when the level drops to the High
limit (70% in the example) the Online totalizer is automatically activated.
Online Calibration -
Calibration in progress
TOTAL 3.71 tonnes
RLY1
Running total
When the Low limit (30%) is reached, the totalizer is deactivated and the assigned relay is de-
energized, which reopens the material feed to the weigh bin.
The BW500 Online material total, the amount of material totalized between the High and Low
limits, is compared to the value entered in P356. The deviation percentage between these
values and the new Span count value is displayed.
Online Calibration -
Press ENTER to accept
Deviation 2.51%
New span 22280
Deviation percent and new Span count value
Press the following key to accept the results.
Online Calibration Complete
Press ENTER to accept New span 22280
Note
• Deviation must be no greater than ±12% of the initial span or it will not be accepted.
•
For remote access, Online Calibration can be accepted using one of the Auxiliary inputs:
(refer to P270 (Page 165))
If you want to reject the results and return to RUN mode, press the following key:
Rate
Total 1:
0.00 t/h
10.15 t
Note
t/h equals metric tonnes per hour
For remote access, to return to RUN mode, program one of the Auxiliary inputs: (refer to
P270 (Page 165))