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SCAIME Manual : NU-eNod4D-ETH-E-0418_216710-E.docx
12 DOSING BY UNLOADING OPERATING MODE
The dosing by unloading operating mode is a way to monitor a dosing cycle of a product by measuring the weight in
loss from a tank equipped with a load cell. In this operating mode, the dosing process is fully managed by eNod4-D.
With its four digital outputs, it allows the monitoring of all steps of the dosing cycle.
Fig. 8 and 9 shown below represent graphically how a dosing by unloading cycle is working and what is the influence
of the variables involved.
Note: Except the ‘reloading max and min levels’, the variables set used for delimiting the phases of the cycle on the
graph are related to the reference weight.
Measure
reloading max. level
Time
coarse feed
fine feed
cycle in progress
reloading
dosing result available
start cycle
1
6
4
2
2
5
target weight
(target weight – fine feed level))
(target weight – inflight weight)
reloading min. level
reference weight
3
dosing result
7
Fig. 8: dosing by unloading cycle with reloading phase at the end of the cycle
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