Festo AG & Co. KG

8037696
vacuum generator
OVEM-14-H-B-QO-CE-N-LK
Supply/vacuum port with QS fittings, exhaust port with open silencer.

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Festo Data sheet

CriterionFeature
Nominal size, Laval nozzle1,4 mm
Grid dimension20 mm
Design, silenceropen
Assembly positionAny
Ejector characteristicHigh vacuum
Standard
Grade of filtration40 µm
Manual overridePushing
Additionally via operating buttons
Integrated functionEjector pulse valve, electrical
Flow control valve
Electrical on-off valve
Filter
Air saving function, electrical
Non-return valve
Open silencer
Vacuum switch
Design structuremodular
Short circuit strengthYes
Measured variableRelative pressure
Measuring principlePiezoresistive
Switching element functionNormally closed contact
Normally open contact
Switching functionWindow comparator
Threshold value comparator
Valve functionclosed
Polarity protectedfor all electrical connections
Standard switching inputIEC 61131-2
Type of display4-place alphanumeric
Backlit LCD
Indicating range [bar]-0,999 - 0 bar
Unit(s) that can be displayedbar
Hysteresis adjustment range [bar]-0,9 - 0 bar
Setting optionsIO-Link
Via display and buttons
Switching position indicatorLCD
Operating status displayOptical
Threshold setting range-0,999 - 0 bar
Operating pressure2 - 8 bar
Operating pressure for max. vacuum3,6 bar
Max. vacuum93 %
Nominal operating pressure6 bar
Max. suction rate with respect to atmosphere50,5 l/min
Air supply time at nominal operating pressure0,2 s
Operating voltage range DC20,4 - 27,6 V
Duty cycle100 %
Insulation voltage50 V
Max. output current100 mA
Residual current0,1 mA
Switch output2xPNP
Voltage drop<= 1,8 V
Characteristic coil data24 V DC: low-current phase 0.3 W, high-current phase 2.55 W
Surge strength0,8 kV
Overload withstand capabilityAvailable
Degree of contamination3
AuthorisationRCM Mark
c UL us - Listed (OL)
KC markKC-EMV
CE mark (see declaration of conformity)to EU directive for EMC
UKCA marking (see declaration of conformity)To UK instructions for EMC
Operating mediumCompressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot mediumLubricated operation not possible
Corrosion resistance classification CRC2 - Moderate corrosion stress
Medium temperature0 - 50 °C
Relative air humidity5 - 85 %
Noise level at nominal operating pressure77 dB(A)
Protection classIP65
Safety classIII
Ambient temperature0 - 50 °C
Max. tightening torque0.8 Nm with female thread
2.5 Nm with clearance hole
Product weight380 g
Pressure measuring range-1 - 0 bar
Accuracy, FS3 %FS
Switching point reproducibility, FS0,6 %
ProtocolIO-Link
IO-Link, protocolDevice V 1.1
IO-Link, profileSmart sensor profile
IO-Link, function classesBinary Data Channels (BDC)
Process Data Variable (PDV)
Identification
diagnosis
Teach channel
IO-Link, communication modeCOM2 (38,4 kBaud)
IO-Link, port typeA
IO-Link, process data width OUT1 Byte
IO-Link, process data content OUT1 bit (ejector pulse IN/OUT)
1 bit (vacuum ON/OFF)
IO-Link, process data width IN2 Byte
IO-Link, process data content IN14 bit PDV (pressure reading)
2 bit BDC (pressure monitoring)
IO-Link, minimum cycle time3,5 ms
IO-Link, data memory required0,5 kB
IO-Link, device ID0x00003E
Electrical connection5-pin
M12x1
Plug
Protection against manipulationElectronic locking
Mounting typewith through hole
with internal (female) thread
with accessories
Pneumatic connection, port 1QS-8
Pneumatic connection, port 3QS-8
Vacuum connectionQS-8
Materials noteContains PWIS substances
Conforms to RoHS
Material sealsNBR
Material receiver nozzlePOM
Material filterMesh
PA
Sintered steel
Material housingAluminium die cast
PA-reinforced
Material adjusting screwSteel
Material silencerWrought Aluminium alloy
PU foam
Material screwsSteel
Material screenPA
Material connector housingNickel-plated brass
Material electrical contactBrass, gold-plated
Material pinsSteel
Material transmitter nozzleWrought Aluminium alloy
Material keypadTPE-U
Material fittingNickel-plated brass

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