Aventics AV-EP Série Mode D'emploi page 21

AVENTICS | AV-EP | R414007537–BDL–001–AA | English
Single pressure control
The AV-EP base plate receives the operating pressure from the pneumatic supply
plate (32) on the left side. The base plate distributes the volume flow from the supply
connection as follows:
W
The single pressure control takes as much supply air as necessary to control the
specified set point. The single pressure control forwards the controlled pressure
via the base plate working connection to the connected consumer.
W
The portion of the volume flow that is not required is forwarded by the base plate
to the components to the right of the single pressure control.
The exhaust travels through the collector channel to the next pneumatic supply plate.
The AV-EP pressure regulator should always be placed as close to the
pneumatic supply plate as possible. We recommend assembling the AV-EP
pressure regulator directly to a pneumatic supply plate. Observe the rules
for configuring the valve system.
32
AV-EP
2
3 1
5 3 1
P
Fig. 8: Pneumatic function block diagram for the single pressure control
32 pneumatische Einspeiseplatte
33 AV-EP-Druckregelventil
Response to power failure
The response to a power failure depends on how the AV-EP pressure regulator
was configured on delivery. In the event of a power failure, the device either exhausts
the operating line or briefly maintains the operating pressure, depending on the
configuration.
O Refer to the section "Identifikation des Produkts" in chapter 5 for information on
how your device responds to a power failure.
7 Assembly
Assembly of a complete valve system is described in assembly instructions
R412018507 "Valve system assembly and connection, AV03/AV05".
The assembly of individual AV-EP components is described in chapter 13 "AV-EP in
ein AV-Ventilsystem integrieren".
33 34
2
A
34 Ventile
35 rechte Endplatte
8 Operation and Displays
LEDs in devices for fieldbus connection
47
35
51 49 50 51
Table 6: Meaning of the LEDs on the AV-EP pressure regulators
for fieldbus connection
Designation Color
UL (49) Green
UA (50) Green
DIAG (51) Green/
red
Green
Red
LEDs in devices for multipole connection
47
The LEDs serve to monitor voltage
and diagnosis.
On devices without display,
the LEDs (47) are on the rear.
On devices with display, the LEDs
48
(48) are integrated in the display
housing; the LEDs on the rear
are inactive.
The LEDs on the AV-EP pressure
49 50 51
regulator show the messages listed
in Table 6.
O Before commissioning and during
operation, regularly check AV-EP
functions by reading the LEDs.
State Meaning
Off No electronics power supply present
Illuminated Electronics power supply present
Flashes Valve power supply below the bottom
tolerance limit of 19.2 V DC (24 V DC -20%)
Illuminated Valve power supply above the bottom
tolerance limit of 19.2 V DC (24 V DC -20%)
Off Set point = 0 bar
Flashes The actual value is outside of the tolerance.
Illuminated The actual value is within the tolerance.
Illuminated Safety cut-off active or parameter error
(See chapter 15 "Fehlersuche und
Fehlerbehebung")
The LEDs serve to monitor voltage
and diagnosis.
On devices without display,
the LEDs (47) are on the rear.
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