DESCRIPTION OF FUNCTIONS
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6.3.3 Blow-off modes
The ejector provides 3 blow-off modes for selection.
ISDU
Dec
Parameter
Value
Hex
Description
110
Blow-off mode for ejector 1 to 16
0x00
Externally controlled blow-off
0x01
Internally time-controlled blow-off
0x02
Externally time-controlled blow-off
6.3.3.1
Externally controlled blow-off
The ejector switches to blow-off mode for as long as the blow-off signal is present.
The blow-off signal is given priority over the suction signal.
6.3.3.2
Internally time-controlled blow-off
After the suction signal is switched off, the ejector switches to blow-off mode automatically for the set
time. With this function, the blow-off signal does not have to be additionally controlled.
The blow-off signal is given priority over the suction signal.
This applies even when the set blow-off time is very long.
6.3.3.3
Externally time-controlled blow-off
The blow-off starts with the blow-off signal and is performed for the set time period. Applying the blow-
off signal for a longer time does not lead to a longer blow-off period.
The blow-off signal is given priority over the suction signal.
This applies even when the set blow-off time is very long.
6.3.4 Setting for the permitted evacuation time t
1
Here, you set the permitted evacuation time t1 in milliseconds. The measurement starts when the
switching threshold H2 is reached and ends when the switching threshold H1 is fallen below.
ISDU
Dec
Parameter
Description
107
Permitted evacuation time
Time from H2 to H1
