Bürkert 8311 User manual

Instruction manual



© Bürkert 2000 Subject to technical change without notice

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  

 
1.1 Utilisation..................................................................................................................................................................................................5
1.2 Precautionsatinstallationandcommissioning.........................................................................................................6
1.3 Conformity to standards6
 
2.1 Design.........................................................................................................................................................................................................8
2.2 Measuringprinciple.........................................................................................................................................................................8
2.3 Availableversions..............................................................................................................................................................................9
2.4 Accessories............................................................................................................................................................................................9
 
 
4.1 Generalrecommendations.....................................................................................................................................................14
4.2 Mountingonthepipe..................................................................................................................................................................14
4.3 Electricalconnection...................................................................................................................................................................15
 4.3.1 Cableplugs...........................................................................................................................................................................15

 
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 4.3.2 Versionwithtransistoroutput(NPN/PNP)...........................................................................................16
 4.3.3 Versionwithrelayoutput...........................................................................................................................................17
 
5.1 Generalrecommendations.....................................................................................................................................................18
5.2 Functionalities...................................................................................................................................................................................18
5.3 Programmingkeys........................................................................................................................................................................19
5.4 Defaultconfiguration...................................................................................................................................................................19
5.5 Normalmode......................................................................................................................................................................................20
5.6 Possibleswitchingmodesofthe8311.......................................................................................................................21
5.7 Calibrationmode.............................................................................................................................................................................22
5.8 Simulationmode..............................................................................................................................................................................25
 
6.1 Cleaning.................................................................................................................................................................................................26
6.2 Errormessages................................................................................................................................................................................26
 
7.1 Examplesofconnectionswiththe8311....................................................................................................................28
7.2 Descriptionofthelabelofthecontroller8311.....................................................................................................31

ENGLISH
ENGLISH
   
 

 


  
0-2 6 7
0-5 12 15
0-10 25 30
0-20 50 60
0-50 120 150
 


 
ENGLISH ENGLISH
 
- 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






ENGLISH ENGLISH
  
 
- 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
 

 
ENGLISH ENGLISH

ENGLISH ENGLISH
   
 
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

 
ENGLISH ENGLISH
 
 
 
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

ENGLISH ENGLISH
  

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 ±15% of the full scale (full scale = max value of the measuring range)
Repeatability
- typical 025%
- 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 max750 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
 