Nordson VersaBlue VA, Руководство пользователя

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%
%
%
55
80
10
Filling
Stop at
Start
at
Low level
warning
Level
% 10
Fig. 4‐56
V13
Operation
4‐51
P/N 213828_11
2014 Nordson Corporation
VersaBlue_PPA
Melter
(contd.)
Level (Option)
With the option Level display , a contact Fill tank is made available at the
interface Standard I/O . With the options Level control , the contact is replaced
with the interface Level control for triggering the filling valve.
Level Display and Control (Variable Measuring Points)
If the melter is heated up and there are no undertemperature faults or sensor
alarms (short‐circuit / sensor break), the command to fill is given as soon as
the level reaches or falls below the value
Start at .
Filling continues until the level has reached or exceeded Stop at . All values
are shown as a percentage of the tank volume.
The status diode Filling is illuminated during filling.
Filling, the warning Tank level low and the fault Tank empty can only be
triggered when the heaters are switched on. Filling stops when sensor
alarms occur or the main contactor or level control is switched off.
Level control is activated
Level control is deactivated.
Level display and monitoring no longer occur. Filling, the warning Tank level
low and the fault Tank empty are no longer triggered. Now the tank can be
emptied for maintenance or repair work without the fault Tank empty
occurring.
Start at: 10 %
Stop at: 80 %
Low level warning: 10 %