Burkert 8311 User manual

Instruction Manual

PRESSURECONTROLLER

TYPE 8311

©Bürkert2000 Subject to technical change without notice Ref. 438972

ENGLISH

Pressure Controller type 8311

Table of Contents

1 SAFETY INSTRUCTIONS ....................................................................................... 4

1.1 Utilisation ........................................................................................................ 5

1.2 Precautions at installation and commissioning .......................................... 6

1.3 Conformity to standards ................................................................................ 6

2 DESCRIPTION ......................................................................................................... 8

2.1 Design ............................................................................................................. 8

2.2 Measuring principle ....................................................................................... 8

2.3 Available versions .......................................................................................... 9

2.4 Accessories .................................................................................................... 9

3 TECHNICAL DATA ................................................................................................ 10

4 INSTALLATION ..................................................................................................... 14

4.1 General recommendations .......................................................................... 14

4.2 Mounting on the pipe ................................................................................... 14

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4.3 Electrical connection ................................................................................... 15

4.3.1 Connectors ..........................................................................................15

4.3.2 Version with transistor output (NPN / PNP) .....................................16

4.3.3 Version with relay output .................................................................... 17

5 PROGRAMMING ................................................................................................... 18

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 MAINTENANCE ..................................................................................................... 26

6.1 Cleaning ........................................................................................................26

6.2 Error messages ............................................................................................ 26

7 ANNEX...................................................................................................................28

7.1 Examples of Easy Link© with the 8311 ...................................................... 28

7.2 Description of the label of the controller type 8311 .................................. 31

7.3 Description of the label of the pressure cell .............................................. 31

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Pressure Controller type 8311

1 SAFETY INSTRUCTIONS

- Always respect the safety instructions marked by the symbol

opposite as well as those included in the manual.

- Ensure the max. pressure the application can reach is within

the chosen pressure range. It is recommended to equip the

installation with a pressure relief valve.

- The units on the display flash when the max. pressure of the

range is exceeded.

Pressure range (bar) Max. admissible pressure Destruction pressure

0-2 6 7

0-5 12 15

0-10 25 30

0-20 50 60

0-50 120 150

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1.1 Utilisation

- The 8311 controller has only been designed to measure the

relative pressure of a liquid or a gas.

- The measuring element must be solidly screwed onto its support.

There will be no manufacturer warranty for damages caused by

unexpected handling or wrong usage of the device. The warranty on

the device becomes invalid if any modification or change is made on

the device.

The device should only be installed and repaired by specialist

staff.

The user is not allowed to work on the cables inside the

housing.

If any difficulties may occur with the product during installation,

please contact your nearest Bürkert sales office for assistance.

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Pressure Controller type 8311

1.2 Precautions at installation and commissioning

- 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.

When dismounting the controller from the pipe, take all the

necessary precautions linked to the process.

1.3 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

8311 7

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Pressure Controller type 8311

2.1 Design

The pressure controller type 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 adjustment can optionally be carried

out by means of a 4-20 mA loop via an external controller.

The controller housing can be turned by 180°.

The controller type 8311 can be inserted in a Bürkert fitting type S005

or S001, before being mounted on any type of pipe.

The electrical connection is carried out via a 2508 (DIN 43 650)

connector and/or an M12 multipin connector.

2.2 Measuring principle

The controller type 8311 uses a piezo-resistive ceramic cell.

2 DESCRIPTION

8311 9

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2.3 Available versions

Order number table of the controllers type 8311 for the 0-10 bar pressure range

Supply Input Output Connection Order number

voltage G1/2NPT1/2RC1/2

12-30 VDC --- NPN and PNP M12 connector 439 932 439 940 439 936

12-30 VDC --- Relay M12 and DIN 43650 connectors 439 935 439 943 439 939

12-30 VDC --- NPN DIN 43650 connector on request

12-30 VDC --- PNP DIN 43650 connector on request

12-30 VDC 4...20 mA ext. setpoint Relay M12 and DIN 43650 connectors on request

ASI --- Relay and ASI M12 and DIN 43650 connectors on request

Order number

M12 female connector, 5 pins, to be wired 917 116

M12 connector, 5 pins, moulded on a shielded cable (2 m) 438 680

Order number table of the accessories

2.4 Accessories

Order number table of the controllers type 8311 for the 0-2 bar, 0-5 bar, 0-20 bar and 0-50 bar pressure ranges : on request

ENGLISH

Pressure Controller type 8311

General features

Pipe diameter any type of pipe with a DN greater than 15 and a 1/2 ‘’ threaded connection

piece (G, NPT or Rc)

Medium temperature -20 °C to +100 °C

(- 4 °F to +212 °F)

, +100 °C (

+212 °F

) with a max. ambient

temperature of +40 °C

(+104 °F)

Measuring range 0-10 bar for the standard versions

0-2, 0-5 bar, 0-20 bar and 0-50 bar on request

Accuracy ±1.5% of the full scale

Repeatability

- typical 0.25%

- max. 1%

Measuring element ceramic cell (Al2O3)

Electrical features

Installation class

(overvoltage class) 2

Power supply 12-30 VDC

Max current consumption 750 mA (with load) (PNP version)

80 mA (without load) (Relay version)

Protection against

polarity reversal yes

Transistor output NPN and/or PNP, open collector, 5-30 VDC, 700 mA max.

Relay output 250 VAC, 3 A or 30 VDC, 3 A ; programmable

External setpoint input 4-20 mA (on request)

3 TECHNICAL DATA

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