Bürkert 8311 Bedienungsanleitung
Instruction manual
© Bürkert 2000 Subject to technical change without notice
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1.1 Utilisation..................................................................................................................................................................................................5
1.2 Precautionsatinstallationandcommissioning.........................................................................................................6
1.3 Conformity to standards6
2.1 Design.........................................................................................................................................................................................................8
2.2 Measuringprinciple.........................................................................................................................................................................8
2.3 Availableversions..............................................................................................................................................................................9
2.4 Accessories............................................................................................................................................................................................9
4.1 Generalrecommendations.....................................................................................................................................................14
4.2 Mountingonthepipe..................................................................................................................................................................14
4.3 Electricalconnection...................................................................................................................................................................15
4.3.1 Cableplugs...........................................................................................................................................................................15
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4.3.2 Versionwithtransistoroutput(NPN/PNP)...........................................................................................16
4.3.3 Versionwithrelayoutput...........................................................................................................................................17
5.1 Generalrecommendations.....................................................................................................................................................18
5.2 Functionalities...................................................................................................................................................................................18
5.3 Programmingkeys........................................................................................................................................................................19
5.4 Defaultconfiguration...................................................................................................................................................................19
5.5 Normalmode......................................................................................................................................................................................20
5.6 Possibleswitchingmodesofthe8311.......................................................................................................................21
5.7 Calibrationmode.............................................................................................................................................................................22
5.8 Simulationmode..............................................................................................................................................................................25
6.1 Cleaning.................................................................................................................................................................................................26
6.2 Errormessages................................................................................................................................................................................26
7.1 Examplesofconnectionswiththe8311....................................................................................................................28
7.2 Descriptionofthelabelofthecontroller8311.....................................................................................................31
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0-2 6 7
0-5 12 15
0-10 25 30
0-20 50 60
0-50 120 150
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- The 8311 controller has only been designed to measure the relative
pressure of a liquid or a gas
- The following units are available to display the measured pressure: bar,
kPa, psi, mPa, Torr, mmHg, atm, MWS, mbar
- The measuring element must be solidly screwed onto its support
There will be no manufacturer warranty for damages caused by unexpec-
ted handling or wrong usage of the device The warranty on the device
becomes invalid if any modification or change is made on the device
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- When the device is powered and the cover is open, protection against
electric shocks is not effective
- Always ensure the materials in contact with the medium to measure
are chemically compatible
- To clean the device, only use chemically compatible products
- Do not insert any object (screwdriver for instance) inside the sensor
body If the body is dirty, use compressed air to clean it
Conformity to standards
- EMC: EN 50 081-1, 50 082-2
- Security: EN 61 010-1
- Vibration: EN 60068-2-6
- Shock: EN 60068-2-27
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The pressure controller 8311 is made up of an electronic module and a
measuring element It may switch a solenoid valve, activate an alarm or
establish a control loop
The switching point can be adjusted by means of the three keys located
under the display
The controller housing can be turned by 180°
The controller 8311 can be inserted in a fitting before being mounted on
any type of pipe
The electrical connection is carried out via an EN175301-803 connector
and/or a steerable M12 multipin connector
The controller 8311 uses a piezo-resistive ceramic cell
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5-pin M12 cable plug, to be wired
5-pin M12 cable plug, moulded on a shielded cable (2 m)
EN175301-803 cable plug (type 2508) with cable gland
EN175301-803 cable plug (type 2509) with NPT 1/2’’ reduction
12-30 VDC NPN and PNP M12 connector 439932 439940 439936
12-30 VDC Relay M12 and EN 175301-803 connectors 439935 439943 439939
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Pipe diameter any type of pipe with a 1/2‘’ threaded connection piece (G, NPT or Rc)
Medium temperature -20 °C to +100 °C, +100 °C with a max ambient temperature of +40 °C
Measuring range 0-10 bar, standard
0-2, 0-5 bar, 0-20 bar and 0-50 bar on request
Accuracy ±15% of the full scale (full scale = max value of the measuring range)
Repeatability
- typical 025%
- max 1%
Measuring element ceramic cell
Protection rating IP 65 connectors being plugged-in and tightened
Installation class
(overvoltage class) 2
Power supply 12-30 VDC
Current consumption
Version with PNP output max750 mA + consumption of the load, if the PNP output is connected
max 50 mA + consumption of the load, if the PNP output is not connected
Version with relay output max 80 mA, without load
Protection against
polarity reversal yes
Transistor output NPN and PNP, open collector, 700 mA max, NPN output: 0,2-30 VDC and PNP output:
supply voltage (see example in the Annex)
or
Andere Handbücher für 8311
4
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