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6 Description of Functions
6 Description of Functions
6.1 Overview of Functions
Description
Picking up the workpiece (vac-
uum generation)
Depositing the workpiece/part
(blowing off)
Operating modes
Switching point setting
Calibrate zero point
Energy-saving function, control
function
Defining blow off time
Display unit
Reset to factory settings
Counter(s)
Software version
Part number
Serial number
Condition monitoring (CM)
Optional: external blow off
Compressed air connector 1A
Error messages
6.2 Applying Suction to the Workpiece/Part (Vacuum Generation)
The ejector is designed for handling and holding workpieces by means of a vacuum in combination with
suction systems. The vacuum is generated in a nozzle according to the venturi principle, using suction
generated by the flow of accelerated compressed air. Compressed air is channeled into the ejector and
flows through the nozzle. A vacuum is generated immediately downstream of the motive nozzle; this
causes the air to be sucked through the vacuum connection. The air and compressed air that have been
removed by the suction exit together via the silencer.
The venturi nozzle on the ejector is activated and deactivated using the suction command:
•
In the NO (normally open) version, the venturi nozzle is deactivated when
the suction signal is received.
•
In the NC (normally closed) version, the venturi nozzle is activated when the
suction signal is received.
An integrated sensor records the vacuum generated by the venturi nozzle. The exact vacuum value is
shown on the display.
The diagram below shows the vacuum curve for when the air saving function is activated:
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Parameter
See section
—
(> See ch. 6.2 Applying Suction to the Workpiece/
Part (Vacuum Generation), p.
—
(> See ch. 6.3 Depositing the Workpiece/Part (Blow-
ing Off), p.
—
(> See ch. 6.4 Operating Modes, p.
Automatic operation and manual operation
5P1 / rP1
(> See ch. 6.5 Monitoring the system vacuum and
defining limit values, p.
5P2 / rP2
CAL
(> See ch. 6.6 Calibrating the sensor, p.
ctr
(> See ch. 6.7 Control functions, p.
tbL
(> See ch. 6.8 Blow off modes, p.
uni
(> See ch. 6.9 Selecting the display unit, p.
rE5
(> See ch. 6.10 Reset to factory settings, p.
cc1
(> See ch. 6.11 Counters, p.
cc2
5oc
Displaying the software version
Art
(> See ch. 6.12 Displaying the part number, p.
5nr
(> See ch. 6.13 Displaying the serial number, p.
t-1
Condition Monitoring (CM)
-L-
—
(> See ch. 8.3.3 Separate Blow-Off Supply Connec-
tion (EB) (Option), p.
e.g. E03
Error messages
FFF
-FF
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23)
25)
27)
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EN-US · 30.30.01.01963 · 03 · 10/22
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