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[Agitator] function block ETAtouch controller
6.12 [Agitator] function block
Agitator overview
This function block is used to control an agitator
without conveyor screws and with a separate drive. An
example is when an agitator supplies fuel to two
boilers (double screw agitator).
The separate driver only drives the agitator with the flat
springs. The discharge screws of the two boilers are
operated by their controller. When one of the boilers
demands fuel, the agitator starts up.
The filling level of the agitator is controlled by the [Light
barrier for fill level measure top] and [Light barrier for
fill level measure bottom] options when the agitator is
filled by a conveyor.
1 Operating condition and information.
A description of the operating conditions can be
found in the integrated Help menu by pressing the
button.
2 Producer for the agitator.
Displayed only when the agitator is filled by the
conveying system.
3 Light barrier (only with optional [Light barrier for fill
level measure top] or [Light barrier for fill level
measure bottom])
4 [Empty] button for emptying the agitator. The
button is displayed only when the optional light
barrier is installed.
5 Agitator On/Off switch.
= enabled
= switched off
Agitator functionality
With the On/Off switch you can enable or
switch off the agitator. If the agitator is enabled, the
ETA boiler can activate it when needed. If the agitator
is switched off, the boiler switches to [Locked] mode
and cannot start heating.
The agitator is only put into operation by the ETA
boiler when the boiler needs fuel.
[Empty] button
Optional: only with [Light barrier for fill level measure
top] or [Light barrier for fill level measure bottom]
Pressing this button blocks the fuel supply to
the agitator, causing the agitator to be emptied.
If the button has been pressed, it will light up
yellow.
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