Burkert 8611 User Manual

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Type 8611

eCONTROL

Process controller and Ratio controller

Operating Instructions

(Valid from software version B01)

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We reserve the right to make technical changes without notice. Technische Änderungen vorbehalten. Sous réserve de modification technique.

Operating Instructions 1209/4_EUen_00805625 / Original: DE

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Type 8611

eCONTROL 8611: Process Controller and Ratio Controller

Contents

1. OPERATING INSTRUCTIONS ........................................................................................................................................................6

1.1. Symbols....................................................................................................................................................................................6

2. AUTHORIZED USE .............................................................................................................................................................................7

2.1. Restrictions .............................................................................................................................................................................7

2.2. Predictable Misuse .............................................................................................................................................................7

3. BASIC SAFETY INSTRUCTIONS .................................................................................................................................................8

4. GENERAL INFORMATION ................................................................................................................................................................9

4.1. Contact Addresses .............................................................................................................................................................9

4.2. Warranty ...................................................................................................................................................................................9

4.3. Information on the Internet ............................................................................................................................................9

5. SYSTEM DESCRIPTION ................................................................................................................................................................10

5.1. General Description ........................................................................................................................................................10

5.2. Functions ..............................................................................................................................................................................11

5.3. The various mounting and installation models ................................................................................................11

5.4. Software ................................................................................................................................................................................11

6. TECHNICAL DATA .............................................................................................................................................................................12

6.1. Operating Conditions .....................................................................................................................................................12

6.2. Conformity with the following standards ............................................................................................................12

6.3. General Technical Data .................................................................................................................................................12

6.4. Rating plate description ................................................................................................................................................13

6.5. Electrical Data ....................................................................................................................................................................14

7. ASSEMBLY ...........................................................................................................................................................................................16

7.1. Assembly models .............................................................................................................................................................16

7.2. Attachment to a proportional valve ........................................................................................................................17

7.3. Assembly of the control cabinet model ...............................................................................................................18

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Type 8611

8. ELECTRICAL INSTALLATION ......................................................................................................................................................20

8.1. Electrical installation for fitting assembly, wall assembly, valve assembly or rail assembly

models ...................................................................................................................................................................................20

8.2. Electrical installation of the control cabinet model .......................................................................................24

9. OPERATION AND FUNCTION ....................................................................................................................................................27

9.1. Control and display elements ....................................................................................................................................27

9.2. Operating levels and operating states .................................................................................................................28

9.3. Function of the keys .......................................................................................................................................................29

10. OPERATING STRUCTURE ............................................................................................................................................................30

10.1. Operating structure of the process operating level in MANUAL operating state .........................30

10.2. Operating structure of the configuration level .................................................................................................31

11. FUNCTIONS OF THE PROCESS OPERATING LEVEL ...................................................................................................37

11.1. Operating state AUTOMATIC .....................................................................................................................................37

11.2. Operating state MANUAL .............................................................................................................................................38

11.3. Specific menu options of process and ratio control .....................................................................................38

11.4. Menu options in the MANUAL operating state .................................................................................................38

11.5. SET - Set-point value default for process control .........................................................................................39

11.6. RFAC - Ratio factor default for ratio control ......................................................................................................39

11.7. TEST – Display of the analog inputs and outputs and the digital inputs ..........................................40

11.8. PARA – Display and optimization of the controller parameters .............................................................41

11.9. VALV – Manual opening and closing of the connected actuating elements ....................................42

12. FUNCTIONS OF THE CONFIGURATION LEVEL ...............................................................................................................44

12.1. General Description ........................................................................................................................................................44

12.2. Menu options of the configuration level ..............................................................................................................45

12.3. MODE - Selection of control variable, actuating element and process value input ....................46

12.4. UNIT - Selection of measuring units and decimal places .........................................................................59

12.5. SETP / RFAC - Selection and scaling of set-point value default / entry of ratio factor ............62

12.6. S_IN - Scaling of sensor input signal

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Type 8611

(4 - 20 mA or 0 - 10 V) ......................................................................................................64

12.7. AOUT - Scaling of analog output

(4 - 20 mA or 0 - 10 V) ...................................................................................................65

12.8. CALI - Calibration of the analog inputs and outputs ....................................................................................67

12.9. Calibration of the assembly models:

Wall, rail, valve or fitting assembly ..........................................................................................................................68

12.10. Calibration of the control cabinet model .............................................................................................................69

12.11. KFAC - Entry of K-factor for flow-rate measurement ...................................................................................70

12.12. FILT - Filtering of the process actual value input ...........................................................................................72

12.13. PARA - Adjusting the controller parameters .....................................................................................................73

12.14. B_IN - Configuration of binary input ......................................................................................................................81

12.15. B_O1 - Configuration of the binary output .........................................................................................................82

12.16. B_O2 - Second binary output ....................................................................................................................................90

12.17. VALV - Test function and setting of the control range .................................................................................91

12.18. CODE - Code protection ..............................................................................................................................................93

12.19. DSPL - Setting the display ..........................................................................................................................................94

12.20. FACT - Reset to Factory Settings ............................................................................................................................95

12.21. U_xx, B_xx - Display of the program version and software version .....................................................95

12.22. END - Leaving the configuration level ..................................................................................................................96

13. OVERVIEW SETTING PARAMETERS ......................................................................................................................................97

14. MAINTENANCE, TROUBLESHOOTING .................................................................................................................................98

14.1. Malfunctions ........................................................................................................................................................................98

15. PACKAGING AND TRANSPORT ...............................................................................................................................................99

16. STORAGE ..............................................................................................................................................................................................99

17. DISPOSAL ............................................................................................................................................................................................99

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Type 8611

Operating Instructions

1. OPERATING INSTRUCTIONS

The operating instructions describe the entire life cycle of the device. Keep these instructions in a location which is easily accessible to every user, and make these instructions available to every new owner of the device.

WARNING!

The operating instructions contain important safety information!

Failure to observe these instructions may result in hazardous situations.

• The operating instructions must be read and understood.

1.1. Symbols

DANGER!

Warns of an immediate danger!

• Failure to observe the warning will result in a fatal or serious injury.

WARNING!

Warns of a potentially dangerous situation!

• Failure to observe the warning may result in serious injuries or death.

CAUTION!

Warns of a possible danger!

• Failure to observe this warning may result in a moderate or minor injury.

NOTE!

Warns of damage to property!

• Failure to observe the warning may result in damage to the device or the equipment.

Indicates important additional information, tips and recommendations.

refers to information in these operating instructions or in other documentation.

→ designates a procedure which you must carry out.

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Type 8611

Authorized use

2. AUTHORIZED USE

Non-authorized use of the process controller Type 8611 may be a hazard to people, nearby equipment and the environment.

• The process controller is intended for controlling the process variables for pressure, temperature or flow-rate in conjunction with a proportional or process valve and a sensor.

• Do not use the device outdoors.

• Use according to the authorized data, operating conditions and conditions of use specified in the contract documents and operating instructions. These are described in the chapter entitled "Technical Data".

• The device may be used only in conjunction with third-party devices and components recommended and authorized by Bürkert.

• Correct transportation, correct storage and installation and careful use and maintenance are essential for reliable and faultless operation.

• Use the device only as intended.

2.1. Restrictions

If exporting the system/device, observe any existing restrictions.

2.2. Predictable Misuse

• The Type 8611 is not to be used in areas where there is a risk of explosion.

• Do not physically stress the housing (e.g. by placing objects on it or standing on it).

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Type 8611

Basic Safety Instructions

3. BASIC SAFETY INSTRUCTIONS

These safety instructions do not make allowance for any

• contingencies and events which may arise during the installation, operation and maintenance of the devices.

• local safety regulations – the operator is responsible for observing these regulations, also with reference to the installation personnel.

General Hazardous Situations.

To prevent injury, ensure that:

• any installation work may be carried out by authorized technicians and with the appropriate tools only.

• after an interruption in the power supply or pneumatic supply, ensure that the process is restarted in a defined or controlled manner.

• the device may be operated only when in perfect condition and in consideration of the operating instructions.

• the general rules of technology apply to application planning and operation of the device.

NOTE!

Electrostatic sensitive components / modules!

The device contains electronic components, which react sensitively to electrostatic discharge (ESD). Contact with electrostatically charged persons or objects is hazardous to these components. In the worst case scenario, they will be destroyed immediately or will fail after start-up.

• Observe the requirements in accordance with EN 61340-5-1 and 5-2 to minimize or avoid the possibility of damage caused by sudden electrostatic discharge!

• Also, ensure that you do not touch electronic components when the power supply voltage is present!

The process controller Type 8611 was developed with due consideration given to the accepted safety rules and is state-of-the-art. Nevertheless, dangerous situations may occur.

Failure to observe this operating manual and its operating instructions as well as unauthorized tampering with the device release us from any liability and also invalidate the warranty covering the devices and accessories!

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Type 8611

General Information

4. GENERAL INFORMATION

4.1. Contact Addresses

Germany

Bürkert Fluid Control Systems Sales Center Christian-Bürkert-Str. 13-17 D-74653 Ingelfingen Tel. + 49 (0) 7940 - 10 91 111 Fax + 49 (0) 7940 - 10 91 448 E-mail: info@de.buerkert.com

International

Contact addresses can be found on the final pages of the printed operating instructions.

And also on the Internet at:

www.burkert.com

4.2. Warranty

The warranty is only valid if the device is used as intended in accordance with the specified application conditions.

4.3. Information on the Internet

The operating instructions and data sheets for Type 8611 can be found on the Internet at:

www.burkert.com

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Type 8611

System Description

5. SYSTEM DESCRIPTION

5.1. General Description

The process controller Type 8611 is designed for integration in a closed control circuit and can be used for numerous control tasks in fluid technology. The figure below illustrates the integration of the controller in a closed control circuit.

Controller 8611

Set-point SP (set-point value)

Figure 1: Block diagram of a closed control circuit

Manipulated

variable MV

Feedback process actual value (PV)

Controlled system

Actuating

element

Sensor Process

Controlled variable

5.1.1. Interfaces of the process controller Type 8611

Depending on the controlled system and process, different controller structures and different inputs/outputs are available for measuring the process actual value and for controlling the actuating elements. The diagram below shows the available interfaces of the process controller.

Supply 24 V DC

24 / 5 V DC electrical power supply for sensors

Ext. set-point value default or ratio 4 - 20 mA / 0 - 10 V

Sensor inputs 4 - 20 mA / 0 - 10 V, frequency, Pt 100

Binary input 0-30 V DC

Supply

Inputs

Process

controller

eCONTROL

Type 8611

Analog output 4 - 20 mA / 0 - 10 V

Transistor outputs PWM, 2P – T, 3P – T

Process value output

Outputs

4 - 20 mA / 0 - 10 V

Binary output 0 / 24 V (NC / NO)

RS485

Inter-

faces

option, for control cabinet model only

Operation

Figure 2: Interfaces of the process controller Type 8611

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Type 8611

System Description

5.2. Functions

The following control tasks can be executed with the process controller Type 8611 eCONTROL.

• Fixed command control (single-loop control circuit)

• Sequential control (external set-point value)

• Ratio control

• Cascade control

Standard signals (current / voltage) and frequency-analog signals can optionally be applied or resistance thermometers (Pt 100) can be connected to the scalable controller inputs.

Outputs for continuous standard signals (current / voltage) or transistor outputs can be used as controller outputs. Valves or other switching actuators can be operated via the transistor outputs. One binary output and up to 2 binary outputs for auxiliary functions are additionally provided.

5.3. The various mounting and installation models

The process controller Type 8611 is available in the following models (see also chapter “7.1. Assembly models”):

• For installation in a pipeline system

• For attachment to a proportional valve

• For wall assembly or for assembly on a rail

• For installation in a control cabinet

Particularities of the control cabinet model:

Unlike the remaining assembly models, the cabinet model of type 8611 has not one but two binary outputs.

5.4. Software

In the following description of the menu options and their operating structures, the entire software of the eCONTROL Type 8611 is explained. This complete software scope is only available for the control cabinet model of the eCONTROL Type 8611.

The menu structure may vary depending on the device model (wall, valve, rail or fitting assembly). In accordance with the device model, only menu options that are logically purposeful for the application area can be selected. This pre-selection is made upon delivery of the controller in accordance with the chosen order part number.

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Type 8611

Technical Data

6. TECHNICAL DATA

6.1. Operating Conditions

Permitted ambient temperature: (operation and storage) 0 ... +70 °C

Max. permitted humidity: ≤ 80 %, non condensing

Protection class: IP65 to EN 60529

6.2. Conformity with the following standards

CE mark conforms to EMC Directive: EN61326

6.3. General Technical Data

Materials

Housing, cover: PC, + 20 % glass fiber

Front plate foil: Polyester

Screws: Stainless steel

Multipin: CuZn, nickel-plated

Wall assembly bracket: PVC

Assembly

Installation position: Any position

Assembly models: Attachment to a pipeline with Bürkert flow-rate fitting Type S030

wall assembly, rail assembly, valve assembly, control cabinet assembly

Display: 2-line, (see “Figure 10: Display elements”)

Operating voltage: Multipin: 3-pin or / and 4-pin M8, 8-pin M12

Power cable: 0.5 mm

max. 100 m long, screened

max. cross section,

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Type 8611

Technical Data

6.4. Rating plate description

The rating plate contains important technical data for the specific device. The structure of the rating plate is described below by way of example.

6.4.1. Rating plate of the controllers for wall, rail, valve or fitting assembly

Controller type

Assembly model

Example:

8611 Wall 24VDC IN:Norm OUT:Norm SET: Norm ACT: PWM

S/N xxxxxx

00177462

- Wall (wall assembly)

- Rail (rail assembly)

- Valve (assembly directly on valve)

- Fitting (assembly directly on flow-rate fitting)

Power supply voltage

Sensor input signal (Norm, Pt 100 or Freq (NPN))

Analog output (Norm or None)

Controller output signal (PWM or NORM)

Set-point value input signal

W16LU

Manufacturer's code

Serial number

Figure 3: Example: Rating plate of the controllers for wall, rail, valve or fitting assembly

Order part number

6.4.2. Rating plate of the control cabinet model

Controller type

Assembly model

Example:

8611 Panel 24VDC Prozessregler

- Panel (control cabinet)

Power supply voltage

Controller design

Serial number

S/N xxxxxx

00210206

W16LU

Manufacturer's code

Order part number

Figure 4: Example: Rating plate of the control cabinet model

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6.5. Electrical Data

Operating voltage: 24 V DC ±10 %, filtered and controlled

Power consumption without load: approx. 2 W

with load: maximum 48 W 100 % ED: 36 W

Controller sampling rate: 300 Hz

6.5.1. Inputs

Set-point value

Standard 4 - 20 mA Input impedance: 70 Ω

Resolution: 5.5 µA

Standard 0 - 10 V Input impedance: 11.5 kΩ

Resolution: 2,5 mV

Type 8611

Technical Data

Sensors

Standard 4 - 20 mA Input impedance: 70 Ω

Resolution: 5.5 µA

Frequency

Input 1 External sensor

Frequency range: min. 0.25 Hz / max. 1 kHz Input resistance: > 1 kΩ Signal types: Sine, rectangle, triangle (> 3000 mVss, max. 30 Vss)

Input 2 Internal Hall sensor

Frequency range: min. 0.25 Hz / max. 1 kHz (only in conjunction with Bürkert flow-rate fitting Type S030)

Pt 100 (2-wire) Measuring range: 0 °C ... 200 °C

Measured current: 1 mA Measuring error: < 0.5 °C

Binary input Input impedance: 10 kΩ

Response threshold: 3 ... 30 V Max. frequency: 1 kHz

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Type 8611

Technical Data

6.5.2. Outputs

Continuous signal Standard signal 4 - 20 mA

Max. loop resistance: 680 Ω Precision: 0,5 %

Standard signal 0 - 10 V

Maximum current: 20 mA Precision: 0,5 %

Discontinuous signal 2 transistor outputs for PWM or PTM control

Control frequency: 1.2 kHz ... 20 Hz Max. resolution: 16 bit (depending on frequency) Max. current per unit area: 1.5 A Switching voltage: 24 V DC

Binary output Transistor output (PNP) configurable

Max. current per unit area: 1.5 A Switching voltage: 24 V DC

Sensor supply: 24 V DC

Total load for all outputs: 1,5 A

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Type 8611

Assembly

7. ASSEMBLY

7.1. Assembly models

Attachment to a Bürkert flow-rate fitting Attachment to a proportional valve

Bürkert flow-rate fitting Type SO30

Installation in a control cabinet Wall assembly or rail assembly

The description of the installation in a control cabinet and the device dimensions can be found in the following chapter “7.3. Assembly of the control cabinet model”.

Table 1: Assembly models

Adapter for wall assembly



Adapter for rail assembly

7.1.1. Assembly accessories

Model Accessories Order no.

Installation in pipeline Flow-rate fitting, Type S030 See data sheet S030 Rail assembly Adapter for rail assembly 655980 Wall assembly Adapter for wall assembly 427098 The adapters for the wall and rail assembly are included in the scope of supply of the assembly model.

Table 2: Assembly accessories

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Type 8611

Assembly

7.2. Attachment to a proportional valve

Attach the process controller Type 8611 to a proportional valve as described below.

→ Loosen the 4 screws at the front of the process controller.

NOTE!

Be careful when opening the process controller so as not to damage the internal cabling.

• Remove the cover carefully from the housing without jerks.

→ Remove the cover carefully from the housing.

→ Place the supplied flat seal over the contact tabs.

→ Attach the housing of the process controller on the contact tabs and fasten with the valve screw.

→ Check the correct position of the profile gasket at the housing of the process controller.

→ Place cover on the housing of the process controller and fasten with 4 screws.

If necessary, the cover can also be mounted in a position rotated by 90 ° to the left or the right.

Proportional valve

Housing of the process controller

Cover of the

process controller

Flat seal

Valve screw

Contact tabs

Profile gasket

4 screws for fastening the cover

Figure 5: Attachment of the process controller to a proportional valve

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Type 8611

Assembly

7.3. Assembly of the control cabinet model

7.3.1. Device dimensions and control panel cut-out

54.2

44.5

2976

Control panel cut-out for the installation

R 3

Figure 6: Device dimensions and control panel cut-out

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Type 8611

Assembly

7.3.2. Installation in a control cabinet

• Prepare control panel cut-out with the dimensions 45mm x 45mm (corner radius 3mm).

• Place the supplied seal on the housing.

• Insert the controller from the front into the control panel cut-out.

• From the rear, snap the 4 supplied fastening elements into place and fasten using a screwdriver.

4 Fastening elements

Seal

Figure 7: Installation elements Figure 8: Installed controller

Recommended line cross sections for the control cabinet model:

Cross section min.

Cross section max.

Minimum length

Cross section for flexible lines 0.2 mm² 1.5 mm² 10 mm (stripping) Cross section for flexible lines with cable end

sleeve without plastic sleeve Cross section for flexible lines with cable end

sleeve with plastic sleeve

Table 3: Recommended line cross sections

0.25 mm²

1.5 mm² 10 mm

0.75 mm² 10 mm

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Type 8611

Electrical Installation

8. ELECTRICAL INSTALLATION

8.1. Electrical installation for fitting assembly, wall

assembly, valve assembly or rail assembly models

8.1.1. Connection versions

Connector Connector view Configuration

Circular plug-in connector M12, 8-pole

Circular plug-in connector M8, 3-pole

Circular plug-in connector M8, 4-pole

DIN-EN 175301

Power supply voltage, set-point input 4 - 20 mA / 0 - 10 V,

process actual value or position set-point output 4 - 20 mA / 0 - 10 V, binary input,

binary output

Note! A straight plug (female) is recommended for the connecting cable, as the alignment of the plug can vary.

Connection sensor (4 - 20 mA / 0 - 10 V, Pt 100 or frequency) and sensor supply 24 V DC

Connection actuating element

• Proportional valve (1 x PWM)

• Process valve (1 x PTM)

• Manipulated variable 4 - 20 mA / 0 - 10 V and sensor supply 24 V DC (only ID 182383)

Connection for direct assembly on proportional valve (1 x PWM) or open/closed valve (1 x PTM)

Table 4: Connection versions for assembly on flow-rate fitting, wall assembly, rail assembly or valve assembly

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Type 8611

Electrical Installation

8.1.2. Pin assignment

Circular plug-in connector M12, 8-pole

A straight connector (female) is recommended for the connecting cable as the orientation of the connector may vary.

Connector diagram

Pin Color Configuration

1 white 24 V DC power supply

2 (DIN2) brown Binary input (B_IN)

3 green GND – Power supply, binary input, binary output

4 (AOUT) yellow 4 - 20 mA or 0 - 10 V analog output

(process value or manipulated variable for valve) 5 (AIN2) grey 4 - 20 mA or 0 - 10 V analog input (set-point value / ratio) 6 pink GND – Analog output 7 blue GND – Analog input (set-point value / ratio) 8 (BO1) red (+) Binary output (B_O1)

Table 5: Configuration of circular plug-in connector M12, 8-pole

Wire colors when using standard cables (e.g. from Lumberg, Escha)

8.1.3. Sensor connection

Circular plug-in connector M8, 3-pole

Input signal Pin Color Configuration External circuit

4 - 20 mA

1 brown + 24 V sensor supply

2-wire supply of Type 8611

(AIN1)

4 - 20 mA / 0 - 10 V 3-wire supply of Type 8611

(AIN1)

4 - 20 mA / 0- 10 V 4-wire external supply

(AIN1)

3 blue not connected

4 black Signal input (source)

1 brown + 24 V sensor supply

3 blue GND

4 black Signal input (source)

1 brown not connected

3 blue GND

4 black Signal input (source)

4 - 20 mA

24 V DC

GND

4 - 20 mA / 0 - 10 V

GND

4 - 20 mA / 0 - 10 V

24 V DC

Transmitter

GND

Transmitter

Supply

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Type 8611

Electrical Installation

Input signal Pin Color Configuration External circuit

Frequency 3-wire supply of Type 8611

(DIN1)

Frequency 4-wire external supply

(DIN1)

Pt 100 (2-wire)

(AIN3)

Table 6: Sensor connection: Configuration of circular plug-in connector M8, 3-pole

1 brown + 24 V sensor supply

3 blue GND

4 black Frequency input (NPN)

1 brown not connected

3 blue GND

4 black Frequency input (NPN)

1 brown not connected

3 blue GND Pt 100

4 black (+) Pt 100 (power supply)

GND

Clock (DIN1)

GND

Clock (DIN1)

8.1.4. Valves connection

Circular plug-in connector M8, 4-pole

24 V DC

Transmitter

GND

Transmitter

Supply

Pt 100

Output signal:

PWM

(MODE = SCV)

3-point

(MODE = PCV)

4 - 20 mA

or 0 - 10 V

(MODE =

4 – 20 / 0 – 10)

Pin Color Configuration External circuit

1 brown not connected

2 white not connected

3 blue (–) PWM (valve2)

4 (BO4) black (+) PWM (valve2)

1 (BO3) brown (+) Aeration (valve 1)

2 white (–) Aeration (valve 1)

3 blue (–) Deaeration (valve 2)

4 (BO4) black (+) Deaeration (valve 2)

1 (BO3) brown + 24 V DC supply

2 white GND (4 - 20 mA or 0 - 10 V)

3 blue GND supply

4 (AOUT) black

+ 4 - 20 mA or 0 - 10 V manipulated variable

Proportional valve

NC valve

NO valve

Supply of 8611

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Type 8611

Electrical Installation

Output signal:

3-point

(MODE = 3P – T)

4 - 20 mA

or 0 - 10 V

(MODE =

4 – 20 / 0 – 10)

External supply

2-point

(MODE = 2P – T)

Pin Color Configuration External circuit

1 (BO3) brown (+) Valve 1

2 white (–) Valve 1

3 blue (–) Valve 2

4 (BO4) black (+) Valve 2

1 brown + 24 V DC supply (max. 1A)

2 white GND (4 - 20 mA or 0 - 10 V)

External supply

3 blue GND supply

4 (AOUT)

black

1 (BO3) brown (+) Valve 1

+ 4 - 20 mA or 0 - 10 V manipulated variable

2 white (–) Valve 1

3 blue not connected

4 black not connected

NC / NO valve

+ 24 V DC

GND

NC / NO valve

1) Only available for identification number 182383

Table 7: Configuration of circular plug-in connector M8, 4-pole

Circular plug-in connector M12, 8-pole

Output signal:

or 0 - 10 V

4 - 20 mA

Pin Color Configuration External circuit

4 (AOUT)

yellow

4 - 20 mA or 0 - 10 V manipulated variable

(MODE =

4 – 20 /

6 pink GND – Analog output

0 – 10)

2) Available for all models except for identification number 182383

Table 8: Configuration of circular plug-in connector M12, 8-pole

+ 24 V DC

GND (24 V)

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Type 8611

Electrical Installation

8.2. Electrical installation of the control cabinet model

WARNING!

Risk of injury from incorrect installation!

Incorrect installation can damage or destroy the Type 8611 eCONTROL.

• The electrical installation may be performed by authorized electricians only!

1 2 3 4 5 6 7 8

Terminal block 1

11 12 13 14 15 16 17 18

Terminal block 2

2019 21 22 23

Figure 9: Control cabinet model; connection PCB with spring terminals and jumpers

24 25

26 27

Terminal block 3

Jumper 1

Jumper 2

8.2.1. Terminal assignment

Terminal block 1

Terminal Configuration External circuit

1 GND – Electrical power supply

2 24 V DC power supply

GND

24 V DC

24 V DC ± 10 % max. residual ripple 10 %

3 (BO2)

4 (BO1)

Binary output 2 (B_O2)

Binary output 1 (B_O1)

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(1, 6, 8, 11, or 23

24 V / 0 V (max. 1 A) NC / NO

GND)

24 V / 0 V (max. 1 A) NC / NO

GND)

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Type 8611

Electrical Installation

Terminal Configuration External circuit

5 (BO3)

(+) Aeration valve (PCV) or valve 1 (2P – T or 3P – T)

MODE = 2P – T or 3P – T

7 (BO4)

(–) Aeration valve (PCV) or valve 1 (2P – T or 3P – T)

(+) Proportional valve (SCV), bleed valve (PCV) or valve 2 (3P – T)

NC / NO

valve max. 1 A

MODE = 3P – T

(–) Proportional valve (SCV),

bleed valve (PCV) or valve 2 (3P – T)

Table 9: Configuration of terminal block 1

NC / NO

valve max. 1 A

Terminal block 2

Terminal Configuration External circuit

9 GND – Analog output 9

MODE = PCV

valve max. 1 A

MODE = SCV

valve max. 1.5 A

GND

MODE = PCV

valve max. 1 A

10 (AOUT)

11 GND – Sensor, actuating element 11

(+) Analog output (process value or

manipulated variable for valve)

24 V DC sensor supply or actuating element

4 - 20 mA / 0 - 10 V

GND

24 V DC

13 not used not used

14 (AIN2)

15 (+) 5 V DC sensor supply (max. 20 mA)

(+) External set-point value / ratio 4 - 20 mA / 0 - 10 V

(21

(1, 11, or 23

16 RS485_COM 16

17 RS485_A (+) 17

18 RS485_B (–) 18

4 - 20 mA / 0 - 10 V (Source)

A-GND)

5 V DC

GND)

RS485_COM

RS485_A

RS485_B

Table 10: Configuration of terminal block 2

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Terminal block 3

Terminal Configuration External circuit

Type 8611

Electrical Installation

19 GND – Pt 100, RTD

20 (AIN3)

(+) Pt 100, RTD (power supply)

21 GND – Analog input 21 22

(AIN1)

(+) Process value input 4 - 20 mA / 0 - 10 V

22 21

Pt 100

A-GND

4 - 20 mA / 0 - 10 V (source)

A-GND

23 GND – Sensor, actuating element 23 GND

Supply of Type 8611

(DIN3)

External supply

(DIN3)

24 V DC sensor supply or actuating element

Frequency input 2 (NPN or PNP)

for ratio control

(MODE = RATI)

Frequency input 2 (NPN or PNP)

for ratio control

(MODE = RATI)

24 23

Jumper 2

NPN

PNP

Jumper 2

NPN

PNP

24 V DC - Out (max. 1 A)

GND

12 or 24

11 or 23

(0 ... 200 °C)

Supply of 8611

24 V DC

GND

Clock

GND

Clock

Transmitter

External supply

Supply

Transmitter

GND

(+) Binary input

(DIN2)

Supply of Type 8611

(DIN1)

External supply

(DIN1)

Table 11: Configuration of terminal block 3

Frequency input 1 (NPN or PNP)

Actual value flow-rate /

for ratio control

(MODE = RATI)

Frequency input 1 (NPN or PNP)

Actual value flow-rate /

for ratio control

(MODE = RATI)

1, 11, or 23

Jumper 1

NPN

PNP

Jumper 1

NPN

PNP

12 or 24

11 or 23

0 ... 2.7 V (log. 0)

3 ... 30 V (log. 1)

GND

Supply of 8611

24 V DC

GND

Transmitter

Clock

External supply

GND

Transmitter

Clock

max. 1 kHz

Supply

GND

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Type 8611

Operation and Function

9. OPERATION AND FUNCTION

9.1. Control and display elements

The control and display element of the eCONTROL Type 8611 is equipped with 3 buttons and an LCD-Matrix display.

9.1.1. Display elements

4-character display 7-character matrix for numerical values

4-character display 14-character matrix for measuring units and parameter designations

10-segment bar graph for display of the manipulated variable in % (One Segment indicates 10 % of manipulated variable)

Is displayed for external set-point value default Is displayed when the control is activated

Indicates the operating state MANUAL

Figure 10: Display elements

9.1.2. Control elements

Arrow keys

left right

ENTER button

• Change the display at the process operating level in AUTOMATIC operating state

• Change the menu options in MANUAL operating state and at the configuration level

• Entering of numerical values

• Switches between the operating states AUTOMATIC and MANUAL

• Switches between operating and configuration level

Red LED is lit in case of an alarm

• Selection of menu option

• Take over settings

The detailed description of the function can be found in chapter “9.3. Function of the keys”.

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Type 8611

Operation and Function

9.2. Operating levels and operating states

2 operating levels and 2 operating states AUTOMATIC and MANUAL are available for the operation and setting of the eCONTROL Type 8611.

Level 1: Process operating level

At level 1, the user can switch between 2 operating states AUTOMATIC and MANUAL.

Operating state: AUTOMATIC: The normal control mode is executed and monitored.

MANUAL: Quick access to important functions and test functions.

The operating state MANUAL is indicated on the display by a hand symbol.

Level 2: Configuration level

At level 2, the user can change the basic settings of the controller.

After switching on the operating voltage, the controller is at the process operating level and in the AUTOMATIC operating state. When the operating voltage is applied, the software version will light up on the display for approx. 2 seconds. If the ENTER key is pressed during these 2 seconds, the sub-version is displayed. After this, the controller is once again at the process operating level.

9.2.1. Switching between the operating levels and operating states

The ENTER key is pressed to change the operating level and operating state (see Figure 11).

Any changes made within the configuration level are only stored after returning to the process operating level.

Changes in the MANUAL operating state can be made while the controller is running.

Process operating level

Operating state AUTOMATIC

8611

eCONTR OL

Press button

025.5

L/M

ENTER

0..... 9

u t

> 5 s (long)

< 1 s (short)

SET

PARA

VALV

TEST

BACK

Operating state MANUAL

Configuration level

8611

eCONTR OL

MODE

ENTER

0..... 9

MODE

UNIT

END

. . . .

Figure 11: Changing the operating level and operating state

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Type 8611

Operation and Function

9.3. Function of the keys

The device is operated using two arrow keys and one ENTER key. The function of these in respect of the operating level and the operating state is shown in Table 12 below.

Operating level

Level 1: Process operating level

Level 2: Configuration level

Operating state

AUTOMATIC

MANUAL

Switch display between actual value, set-point value and manipulated variable

Switches to the last menu option

Entering of values

Increase value

Switches to the last menu option

Entering of values

Increase value

Switches to the next menu option

Change by one position to the left

Switches to the next menu option

Change by one position to the left

• Press key briefly (< 1 s): Switches to operating state MANUAL

• Press and hold key (> 5 s): Switches to configuration level

• Selection of menu option

• Take over settings

• Switches to operating state AUTOMATIC (for display BACK)

• Selection of menu option

• Take over settings

• Switches to process operating level and to operating state AUTOMATIC (for display END)

Table 12: Function of the keys

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Type 8611

Operating Structure

10. OPERATING STRUCTURE

10.1. Operating structure of the process operating level in MANUAL operating state

SET ***

RFAC ****)

BACK

TEST

PARA

)

Enter set-point value

Enter ratio factor

***) The SET menu option is

only displayed for process control. Consequently for all control variables set in the MODE menu except for RATI.

AIN1

)

****

AIN2

The RFAC menu option

is only displayed for ratio

AIN3

DIN1

DIN2

DIN3

control. Consequently only if the RATI control variable is set in the MODE menu.

**) Code query only when code

AOUT

BACK

CODE **

)

KP1

)

KP2 *

TN *

)

TREG *

protection is activated (see chapter 12.18)

*) The display depends on the

control variable set in the MODE menu (see chapter 12.3)

DEAD

)

KP T *

)

TN T *

)

DE T *

BACK

VALV *

)

150 L/H

055 PRZ *

)

Back to AUTOMATIC operating state

Figure 12: Operating structure of the process operating level in MANUAL operating state

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Type 8611

Operating Structure

10.2. Operating structure of the configuration level

Configuration level

CODE

MODE

UNIT *

Enter access code if the code protection has been activated in the CODE menu.

CODE

„0001“

Q1 **

Q2 **

RATI

T – F

T + F

)

*) The display depends on the control variable set in the MODE

menu.

)

Q1 and Q2 are only displayed if ratio control = RATI has

FREQ

NORM

SCV

PCV

2P – T

3P – T

4 – 20

0 – 10

Select control frequency (PWM)

Select control times

been set in the MODE menu.

FREQ *

PT *

NORM *

See Chapter 12.3

L/H

L / M

0.01

MODE = T+F, T-F

MODE = F

MODE = RATI

= T

MODE

MODE = P

G / H

G / M

ML / M

M3 / H

°C

°F

BAR

MBAR

PSI

UNIT, MODE = L, MODE = X

Figure 13: Operating structure of the configuration level - 1 of 6

0.1

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UNIT *

Type 8611

Operating Structure

)

*) The display depends on

0.1

0.01

the control variable set in the MODE menu (see chapter 12.3)

SETP **

RFAC ***

S_IN ****

)

4 – 20

0 – 10

AOUT 4 – 20

0 – 10

EXT

INT

MODE = L

MODE = X

4 – 20

0 – 10

Enter scaling

FLOW *

TEMP *

PRES *

RFAC *

µS/c

mS/c

S/c

Ωxc

ppm

LEVL *

VAL *

POS *

Q1 *

Q2 *

Enter scaling

**) The SETP menu option is

only displayed for process control. Consequently for all control variables set in the

MODE menu except for RATI.

)

***

The RFAC menu option

is only displayed for ratio control.

)

Enter scaling

)

Consequently only if the RATI control variable is set in the MODE menu.

)

****

The S_IN menu option is

only displayed if standard signal (NORM) was selected as sensor input.

CALI

Calibration of analog inputs and outputs

KFAC

Figure 14: Operating structure of the configuration level - 2 of 6

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KFAC *

Type 8611

Operating Structure

Select K-factor for ratio control

)

Q1 **

Q2 **

)

Q1 and Q2 are only displayed if frequency input (FREQ) was

selected for both flow-rate sensors in ratio control.

FREE

BACK

8081

8071

S070

0.01

0.1

QN0.6 QN1.5 QN2.5 QN3.5 QN6.0

50L

100L

500L

DN15 DN25 DN40 DN50 DN80

DN100

Enter value

The display 0.01, 0.1, 1 is used for setting the decimal place.

Use the display 10 for setting the multiplier 10 for the K-factor.

Display value

8031

S030

8030

8012

8011

100L

250L

PVDF

PVC

*) The KFAC menu option is not

indicated unless a sensor with frequency input was selected in the MODE menu.

FILT

Figure 15: Operating structure of the configuration level - 3 of 6

Display value

DN06

DN08

DN15

DN20

DN25

DN32

DN40

DN50

Display value

OLD

Fitting S030 and the fitting of devices 8030, 8011 and 8012, DN15, exist in 2 versions. The „v2“ marking can be found either on the bottom or on the side of the fitting.

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Type 8611

Operating Structure

FILT

PARA

Enter filter factor ( 2 - 20)

KP1

)

KP2 *

)

TREG *

)

TN *

DEAD

)

KP_T *

)

TN_T *

)

DE_T *

INV

ZERO is only displayed for entry INV / NO

ZERO

)

STRT *

BACK

*) The display depends on the

control variable set in the MODE menu (see chapter 12.3)

YES

B _IN

INV

HOLD

SAFP

HIGH

LOW

HIGH

LOW

STOP **

)

HIGH OPEN

LOW CLOS

OPEN **

CLOS **

)

HIGH

LOW

B_O1 / B_O2

Figure 16: Operating structure of the configuration level - 4 of 6

PRZV **

mA **

)

V **

OPEN **

CLOS **

)

Enter value

**) The display depends on

)

the actuating element set in the MODE menu (see chapter 12.3)

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Type 8611

Operating Structure

B _O1

Selecting binary output as pulse output

PULS

Selecting binary output as limit switch

LIMT

*) The display depends on

the control variable set in the MODE menu: (see chapter 12.3)

DM3 1

IGAL 0.1

UGAL 0.01

REL

Enter hyteresis values

ABS

POS

Enter position limit

DLY XXX.X

FLOW *

PRES *

TEMP *

LEVL *

)

VAL *

INV NO

Enter number of pulses

)

Enter process limit value

)

HIGH

B _O2 **

Selecting binary output as 2-state controller

2_P

DLY XXX.X INV NO LED NO

)

**) The operating structure is identical to B_O1

REL

ABS

INV YES LED YES

INV YES

LOW

Enter hysteresis values

Enter set point limit value

FLOW *

PRES *

TEMP *

LEVL *

VAL *

)

Enter process limit value

HIGH TEXT NO

LOW TEXT YES

VALV

Figure 17: Operating structure of the configuration level - 5 of 6

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VALV

Type 8611

Operating Structure

MODE = SCV, 4 - 20, 0 - 10: Continuous control

L/H *

PRZ

mA *

V *

)

END

MIN

MAX

*) The display depends on the

control variable set in the MODE menu (see chapter 12.3)

MODE = PCV, 2P - T, 3P - T: Quasi-continuous control

L/H *

)

END

CODE

DSPL

FACT

YES

CMD

BOTH

PVAL

SETP

MIN

MAX

Enter MIN

Enter MAX

U_xx

B_xx

END

Display program version

xxxxx

Display software version

Switching to the process operating level – AUTOMATIC operating state

Figure 18: Operating structure of the configuration level - 6 of 6

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Type 8611

Functions of the Process Operating Level

11. FUNCTIONS OF THE PROCESS OPERATING

LEVEL

11.1. Operating state AUTOMATIC

After switching on the operating voltage, the controller is at the process operating level and in the AUTOMATIC operating state. The normal control mode is executed and monitored.

11.1.1. Displays in the AUTOMATIC operating state

Press the arrow keys to switch between 4 different displays for monitoring the control operation. Which of these displays should be shown as start display after applying the operating voltage can be defined in the DSPL menu (see “12.19. DSPL - Setting the display”).

025.5

L/M

0..... 9

eCONTR OL

u t

ENTER

8611

025.5

L / M

Display process actual value The display of the unit depends on the selection made in the UNIT menu (see chapter 12.4).

For MODE = T – F or T + F the display switches between temperature and flow-rate.

For MODE = RATI the display switches between flow-rate Q1 and Q2.

030.0

SET

030.0

RFAC

Display set-point value The display depends on the selection made in the MODE menu (see chapter 12.3).

SET = Display for process control RFAC = Display for ratio control

For MODE = T – F or T + F the display switches between flow-rate set-point (SP_Q) and temperture set-point (SP_T).

For MODE = RATI the display switches between ratio factor (RFAC) and flow-rate set-point (SPQ1).

025.5

030.0

Display process actual value

Display set-point value

065.0

PRZV

065.0

Display manipulated variable for valve Display depends on the actuating element selected in the MODE menu (see chapter 12.3).

PRZV = Display pulse duty factor for solenoid valve

mA = Display manipulated variable in mA V = Display manipulatec variable in V

Figure 19: Displays in the AUTOMATIC operating state

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Type 8611

Functions of the Process Operating Level

11.2. Operating state MANUAL

Briefly press (< 1 s) the ENTER key to go to the MANUAL operating state. The operating state is indicated on the

display by a hand symbol.

11.3. Specific menu options of process and ratio control

The display of some menu options differs for the process and the ratio control. This is described in detail in the respective menu descriptions.

The control type is specified by the control variable selected in the MODE menu:

• Process control: is active if all control variables have been selected in the MODE menu except forRATI.

• Ratio control is active if the RATI control variable has been selected in the MODE menu

(see chapter “12.3.1. RATI - Selection of external sensors for ratio control”).

11.4. Menu options in the MANUAL operating state

SET

RFAC

BACK

TEST

PARA

VALV

Table 13: Menu options of the process operating level

Set-point value default for process control

See chapter “11.5. SET - Set-point value default for process control”

• Menu option is displayed for process control.

• Is not available if external set-point value default is selected.

Ratio factor default for ratio control

See chapter “11.6. RFAC - Ratio factor default for ratio control”

• Menu option is only displayed for ratio control (MODE = RATI).

• Is not available if external set-point value default is selected. When BACK is displayed on the display, press the ENTER key briefly to switch to AUTO-

MATIC operating state. When an arrow key is pressed, the next or respectively the previous menu option is displayed.

Display of the analog inputs and outputs and the digital inputs. See chapter 11.7

Adjusting the controller parameters (Code must be entered if code protection is activated). See chapter “11.8. PARA – Display and optimization of the controller parameters”

Manual opening and closing of the connected valves. See chapter 11.9

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Type 8611

Functions of the Process Operating Level

11.5. SET - Set-point value default for process control

In the case of process control, the set-point value default can be entered in the MANUAL operating state using the SET menu. Process control is active if all control variables have been set in the MODE menu except for RATI.

Setting the set-point value default in the menu:

Process operating level

Enter a value between 0.00 and 9999

< 1 s

SET

030.0

SET *

(depends on the decimal places selected in the UNIT menu).

)

*) Menu option is only available if internal set-point

value default was selected (see chapter “12.5. SETP / RFAC - Selection and scaling of setpoint value default / entry of ratio factor”).

BACK

Back to operating state AUTOMATIC

Figure 20: SET; Set-point value default for process control

11.6. RFAC - Ratio factor default for ratio control

In the case of ratio control, the ratio factor can be entered in the MANUAL operating state using the RFAC menu. The ratio control is active if the RATI control was set in the MODE menu.

Setting the ratio factor in the menu:

Process operating level

Enter a value between 0.000 and 9.999.

< 1 s

RFAC

0.000

RFAC *

)

BACK

Back to operating state AUTOMATIC

Figure 21: RFAC; Ratio factor default for ratio control

*) Menu option is only available if internal set-point

value default was selected (see chapter “12.5. SETP / RFAC - Selection and scaling of setpoint value default / entry of ratio factor”).

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Type 8611

Functions of the Process Operating Level

11.7. TEST – Display of the analog inputs and outputs

and the digital inputs

The analog inputs and outputs and the digital inputs are displayed while the controller is operating. No changes can be made.

TEST

AIN1

AIN2

Analog input 1: 4 - 20 mA or 0 - 10 V (process value Q1 or Q2 for ratio control)

Analog input 2: 4 - 20 mA or 0 - 10 V (set-point value for process or ratio control)

AIN3

Analog input 3: Pt 100 (Process actual value temperature)

PARA

DIN1

Frequency input 1 (Process actual value flow-rate or Q

DIN2

DIN3

AOUT

Binary input: 0 / 1 corresponds to 0 V / 24 V input

Frequency input 2

for ratio control)

Analog output 4 - 20 mA or 0 - 10 V (process actual value or manipulated variable for actuating element)

BACK

Back to operating state AUTOMATIC

Figure 22: TEST; Display of the analog inputs and outputs and the digital inputs

for ratio control)

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Type 8611

Functions of the Process Operating Level

11.8. PARA – Display and optimization of the controller

parameters

In this menu of the process operating level, the controller parameters of the running process can be optimized. The new controller parameters are taken over immediately after pressing the ENTER key. The detailed description of the controller parameters depending on the selected process variable can be found in chapter “11.8. PARA – Display and optimization of the controller parameters”.

Access to this menu can be protected by a user code (see chapter “12.18. CODE - Code protection”)

Enter code.

PARA

VALV

*) Display is shown only if

code protection was activated in the CODE menu (see chapter 12.18)

0000

CODE *

**) The display depends on the control variable

set in the MODE menu (see chapter 12.3)

TN **

)

Enter value

)

0000

XXX

)

KP 1 **

KP 2 **

TREG **

DEAD **

KP T **

TN T **

DE T **

Back to operating state AUTOMATIC

Figure 23: PARA; Display and optimization of the controller parameters

BACK

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Type 8611

Functions of the Process Operating Level

11.9. VALV – Manual opening and closing of the

connected actuating elements

If the VALV menu option is selected, the controller is stopped and the actuating element remains in the last position. The manipulated variable can now by increased or lowered relatively to the last position by pressing the key.

The display in the VALV menu option depends on the control variable set in the MODE menu:

• MODE = SCV, 0 - 10, 4 - 20, 2P - T, 3P - T (Reset time T

• MODE = PCV, 2P - T, 3P - T (Reset time T

deactivated, TN = 9999)

activated, TN > 0)

MODE = SCV, 0 - 10, 4 - 20, 2P - T, 3P - T (Reset time TN activated, TN > 0)

Display process value

VALV

150

L/H

In the case of cascaded control, the process value and the flow-rate are displayed alternately

Actuating of Valve 1 (VLV1) (Increasing of the manipulated variable, Bargraph length increases from left to right

SET

Actuating of Valve 1 (VLV1) (Decreasing of the manipulated variable, Bargraph length decreases from right to left

055

PRZ

Display manipulated variable (4 – 20, 0 – 10 or PRZ)

When leaving the VALV menu option, the last selected

Back to operating state

manipulated variable is taken over.

AUTOMATIC

Figure 24: VALV; Manual opening and closing of the actuating element

Changing the manipulated variable

Each time the key is pressed: MODE = SCV, 2P - T, 3P - T by 1%

MODE = 4 - 20 by 0.2 mA MODE = 0 - 10 by 0.1 V

3) 4)

Continuous pressing of the key > 80 ms: Quick adjustment of the manipulated variable

The manipulated variable can be changed between 0 and 100 %.

Only for MODE = 3p - T the manipulated variable can be changed between -100 % and +100 %.

-100 % = Valve 2 is controlled by 100 % pulse duty factor +100 % = Valve 1 is controlled by 100 % pulse duty factor

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Type 8611

Functions of the Process Operating Level

MODE = PCV, 2P - T, 3P - T (Reset time TN deactivated, TN = 9999)

Display process value

VALV

150

L/H

In the case of cascaded control, the process value and the flow-rate are displayed alternately

Actuating of valve 1 (VLV1)

SET

Actuating of valve 2 (VLV2)

Back to operating state AUTOMATIC

Figure 25: VALV; Manual opening and closing of the actuating element

Key functions

Each time the key is pressed: the actuating element is operated for 40 ms

Continuous pressing of the key > 80 ms: Continuous control of the actuating element

The detailed description of the VALV function can be found in chapter “12.17. VALV - Test function and setting of the control range”

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Type 8611

Functions of the Configuration Level

12. FUNCTIONS OF THE CONFIGURATION

LEVEL

12.1. General Description

Any changes made within the configuration level are only stored after returning to the process operating level.

Access to the configuration level can be protected by a code. Any unauthorized persons are thus denied access and cannot change the parameters.

If the code protection is activated, a code must be entered before switching to the configuration level (see chapter “12.18. CODE - Code protection”).

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Type 8611

Functions of the Configuration Level

12.2. Menu options of the configuration level

MODE

UNIT

SETP

RFAC

S_IN

AOUT

CALI

KFAC

FILT

PARA

B_IN

B_O1

B_O2

VALV

CODE

DSPL

FACT

U_XX

A_XX

END

Selection of control variable, actuating element and process value input. See Chapter 12.3

Selection of measuring units and decimal places. See chapter 12.4

Selection and scaling of set-point value default.

See chapter 12.5

Entry of ratio factor for ratio control (MODE = RATI).

See chapter 12.5 Scaling of sensor input signal ( 4 - 20 mA or 0 - 10 V).

See chapter 12.6 Scaling of analog output (4 - 20 mA or 0 - 10 V).

See chapter 12.7 Calibration of the analog inputs and outputs.

See chapter 12.8 Entry of K-factor for flow-rate measurement.

See chapter 12.11 Setting of the filtering factor.

See chapter 12.12

Setting of the controller parameters.

See chapter 12.13

Configuration of the binary input.

See chapter 12.14

Configuration of binary output 1.

See chapter 12.15

Configuration of binary output 2.

See chapter 12.16 Test function and setting of the control range.

See chapter 12.17

Code protection.

See chapter 12.18

Setting of the display.

See chapter 12.19

Resetting to factory settings.

See chapter 12.20

Display of program version.

See chapter 12.21

Display of software version.

See chapter 12.21

Leaving the configuration level See chapter 12.22

Table 14: Menu options of the configuration level

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Type 8611

Functions of the Configuration Level

12.3. MODE - Selection of control variable, actuating element and process value input

The most important basic settings of the controller are made in this menu option.

The setting is done in 3 successive steps.

• Selection of control variable (e.g. flow-rate control, pressure control, etc.)

• Selection of actuating element (e.g. proportional valve, process valve, etc.)

• Selection of process value input (e.g. 4 - 20 mA, frequency, etc.)

The MODE menu option is at the configuration level. To go there, press and hold the ENTER key (> 5 s) (see chapter “9.2. Operating levels and operating states”).

How the settings are made in the menu is explained below.

Configuration level

CODE

Enter access code if the code protection has been activated in the CODE menu. If you have forgotten the code →see chapter “12.18.1. If you have forgotten the code”

MODE

0001

CODE

Selection of control variable

RATI

T + F

T – F

Select sensor input for Q

Flow-rate control

Pressure control

Temperature regulation

Ratio control (see chapter 12.3.1

Temperature control with subor-

)

dinate flow control

Temperature control with flow-rate display

)

The selection of the sensor input is only available in the control cabinet model

Filling level control

Other control variable (pH, conductivity, process variables without unit)

Confirm selection

UNIT

Continue with

selection of actuating element

Figure 26: MODE; Selection of the control variable

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Type 8611

Functions of the Configuration Level

MODE

Selection of control variable

Selection of actuating element

SCV

PCV

3P – T

2P – T

0 – 10

4 – 20

Select PWM frequency

Select control times

Select control times operating principle

Continuous control using proportional valve and selection of PWM frequency (see chapter 12.3.2)

Quasi-continuous control using process valve (see chapter 12.3.3)

Quasi-continuous 3-state control with time-proportional control for opening or closing (see chapter 12.3.6)

Quasi-continuous 2-state control with time-proportional control for opening or closing (see chapter 12.3.5)

Continuous control using 0 - 10 V standard signal (see chapter 12.3.4)

Continuous control using 4 - 20 mA standard signal (see chapter 12.3.4)

UNIT

Selection of process value input

FREQ

PT **

NORM

)

Frequency input (can only be set for MODE = T+F, T-F, F, RATI, 2P-T, 3P-T) PT

PT100 sensor (can only be set for MODE = T+F, T-F, T, 2P-T, 3P-T)

4 - 20 mA or 0 - 10 V standard signal (can be set for all control variables)

**) The display depends on the control variable previously set in this

menu (see “Figure 26: MODE; Selection of the control variable”)

YES *

NO *

Confirm selection

)

*) The query YES/NO is only displayed

if the control variable or the selection

)

of the actuating element has been changed.

Accept and save changes

After saving, all parameters are reset to the default values.

Figure 27: MODE; Selection of the actuating element and of the process value input

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Type 8611

Functions of the Configuration Level

12.3.1. RATI - Selection of external sensors for ratio control

A ratio control can easily be implemented by combining the compact controller Type 8611 with flow-rate fitting S030 and a second flow-rate sensor.

In a ratio control, the controlled flow-rate Q

is adapted to the uncontrolled flow-rate Q2 so that it corresponds to

a specified mixture ratio.

The flow-rate is measured for Q

using the Bürkert flow-rate fitting of Type S030

for Q2 using a second external flow-rate sensor.

The following relation exists between Q

= RFAC · Q2 Q1: controlled flow-rate

and Q2:

Q2: uncontrolled flow-rate RFAC: ratio factor

(for selection see chapter “11.6. RFAC - Ratio factor default for ratio control”)

Example of a ratio control:

Selected ratio factor RFAC: 4, 00 Flow-rate Q Control of Q

: 20 l/h

to: 20 l/h · 4 = 80 l/h

Schematic representation:

Manipulated variable 4 - 20 mA

Frequency (FREQ)

8611

Flow-rate fitting, Type S030

Flow-rate Q

controlled

Flow-rate Q uncontrolled

Controller setting:

MODE = RATI, FREQ, 4 – 20, FREQ

Figure 28: Ratio control using process controller Type 8611 (assembly directly on flow-rate fitting Type S030).

Fluid mixture

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Type 8611

Functions of the Configuration Level

Settings in the menu:

MODE

0001

CODE

Selection of control variable

RATI

Continue with

Selection of actuating element

(see chapter 12.3.2 to chapter 12.3.6)

Figure 29: RATI; Setting the ratio control

Select frequency input for sensor input Q

)

FREQ *

Select standard signal for sensor input Q

NORM **

)

*) FREQ: The sensor-specific K-factor is entered in the

KFAC menu.

)

NORM: The scaling of the standard signal is selected in

the S_IN menu

Particularity of the control cabinet model!

In the control cabinet model, the standard signal input is available for Q

However, for the inputs Q

and Q2, a standard signal (NORM) can only be assigned once.

in addition to the frequency input.

If the standard signal was selected for sensor input Q2 (MODE, RATI, NORM) only frequency is available when selecting the process value input Q1.

Example:

Selection of sensor input Q

Selection option for process value input Q

FREQ (frequency) FREQ (frequency) or NORM (standard signal) NORM (standard signal) FREQ (frequency)

Table 15: Select NORM/FREQ for sensor input and process value input

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Schematic representation:

Frequency input (FREQ)

Control cabinet model

8611

Type 8611

Functions of the Configuration Level

4 - 20 mA

Flow-rate Q controlled

PWM

Flow-rate Q uncontrolled

Controller setting:

MODE = RATI, NORM, SCV, FREQ

Figure 30: Schematic representation; Ratio control using control cabinet model of Type 8611

Fluid mixture

12.3.2. SCV - Continuous control using proportional valve

The settings of the eCONTROL Type 8611 are made in this menu if a proportional valve is used. It is very important and crucial for a good control that the control frequency (PWM frequency) is set according to the selected valve type.

Technical explanations:

• Relation between valve type and control frequency

Depending on the orifice and the fluidic performance data, the individual valve types include magnetic coils that greatly differ in terms of manufactured size, coil data and dynamic properties. The magnetic force of the coil and the selected control frequency influence the responsiveness of the valve and the related dither movement.

• Interaction of magnetic force, frequency and dither movement

The ability to respond to a PWM signal with a small dither movement and thus to ensure a particularly good responsiveness of the valve greatly depends on the dynamic parameters of the coil.

The following is generally applicable:

- Small coils with a low magnetic force still respond well to higher frequencies. In low frequencies, they produce an unnecessarily high noise level due to excessive movement amplitudes.

- Large coils with a high magnetic force respond less well to higher frequencies. In low frequencies, they still produce dither movements thus ensuring sliding friction states.

• Responsiveness

The response of a valve to a PWM signal not only depends on its frequency but also on the current pulse duty factor τand the working point.  The valve responds more sensitively if the working point is within medium pulse duty factors (τ ~ 50 %) and more sluggishly if the opening corresponds to a pulse duty factor in the border areas close to 0 % or close to 100 %. To compensate for this dependency, controlling is executed at a variable PWM frequency that depends on the pulse duty factor and the progression of which follows a triangular function. In this regard, the frequency is lowest at the border points (0 %, 100 %) and highest at τ = 60 %. (see Figure 31)

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Type 8611

Functions of the Configuration Level

Frequency f

High

frequency

Low

frequency

0 % 100 %60 %

Figure 31: PWM frequency / pulse duty factor

Ideal working point

Pulse duty factor

Note for easy setting of the PWM frequency All Bürkert proportional valves with the corresponding PWM frequency are saved in the menu of the eCONTROL Type 8611 and can be selected there.

The table with the PWM frequencies is available on the internet at www.burkert.com.

By setting the valve type, the two limit frequencies of the PWM control (f

and fLO) are set. Depending on the

working point, the actual output frequency is in this range. The values allocated to the valve types were determined empirically from the behavior of a large number of individual devices of the respective type.

For optimizing the control behavior, the pulse duty factor is limited depending on the valve type as there are no significant changes in the flow-rate in the upper range of the pulse duty factor.

WARNING!

Danger due to malfunction if an incorrect valve type is selected!

Selecting the wrong valve type may result in damage at the valve and in malfunction.

• Ensure that you select the right valve type.

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Setting the PWM frequency in the menu:

Type 8611

Functions of the Configuration Level

MODE

Setting the PWM frequency

Continue with

Selection of process value input

see Figure 27

SCV

0001

CODE

Selection of control variable

0000

.. .. .. ..

PWM frequency

0725

2821

. . .

FREE

BACK

)

Value range for PWM frequency:

min. 150 Hz, max. 9999 Hz.

Bürkert Type

Manual entry of PWM frequency*

0000

FREE

)

Figure 32: SCV; Setting the PWM frequency for controlling proportional valves

Schematic representation:

Controller setting:

MODE = P, SCV, NORM

Set-point value

Controller

8611

4 - 20 mA

PWM

Figure 33: Pressure control using proportional valve

12.3.3. PCV - Quasi-continuous control using process valve

Use: Using this function, it is possible to implement the control of a process valve without position feedback. This is in particular interesting if the process valve cannot be designed with position feedback due to rough process conditions (e.g. high temperature, high humidity, little space requirement).

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Type 8611

Functions of the Configuration Level

Parameterization: Single-acting, pneumatically operated control valves with "normal closed" function can be operated. Two control valves are required for the pneumatic control of the process valve (see Figure 34).

Controller setting:

y 2 (ms)

MODE = F, PCV, TMN1,

y 1 (ms)

P R

TMN2, FREQ

Control valves

Aeration

Set-point value

(NC operating

principle)

Deaeration

(NO operating principle)

8611

Actual value

Figure 34: Example of a quasi-continuous control using process valve

The process valve is opened and closed with two control valves. The control valve for aeration opens and that for deaeration closes the process valve. A 3-state controller with P-structure is provided as controller, which calculates a time-proportional control (PTM) as manipulated variable for the control valves depending on the set-point/actual value deviation.

By default, the control valves are available as control block (Bürkert Type 8810) for the control of 1, 2, 4 or 6 process valves. The design for the control of a process valve is shown in Figure 35.

For optimal control of process valves, the opening and closing times must be set in the PCV menu by setting the minimum control time:

Display Description Control time [ms]

Bürkert

Other valves control blocks Type 8810

TMN1

TMN2

Minimum control time for aeration valve in ms 5 ms (default)

(0 ... 9999 ms)

Minimum control time for bleed valve in ms 5 ms (default)

Use the times specified

in the data sheet of the

valve (0 ... 9999 ms)

Table 16: Minimum control time for control valves

The minimum control time describes the time within that the control valve just starts opening.

For the Bürkert control blocks Type 8810, the minimum control time of 5 ms has been set as default in the controller and does not have to be changed.

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Bleed valve (NO operating principle = Normally open / opened with no current)

Aeration valve (NC operating principle = Normally closed / closed with no current)

Figure 35: Control block 8810 for control of the process valve

Type 8611

Functions of the Configuration Level

If control valves other than those of Type 8810 are used, the opening time specified in the data sheet for "TMN1" or the closing time for "TMN2" can be used.

To ensure that the process valve moves automatically into closed position in the event of a power failure, observe the operating principle of the control valves:

• Control valve for aeration = NC operating principle / Normally closed ( closed with no current)

• Control valve for deaeration = NO operating principle / Normally Open (opened with no current)

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Type 8611

Functions of the Configuration Level

Setting the minimum control time in the menu:

MODE

0001

CODE

Selection of control variable

Enter minimum control time for control valves

PCV

0005

TMN1

0005

TMN2

Continue with

Selection of process value input

see Figure 27

Figure 36: PCV; Enter minimum control time for control valves

12.3.4. 4–20 / 0-10 - Continuous control with 4 - 20 mA or 0 - 10 V standard signal

This function can be used for operating control valves (e.g. motor valve, positioner) via the analog output using the control for 4-20mA or alternatively 0-10V standard signal.

Example of a typical use, the flow-rate control in conjunction with a flow-rate sensor and an electric motor control valve, see Figure 37.

Controller setting:

MODE = F, 0-10, FREQ

Process value

Set-point value

Manipulated variable 0 - 10 V

Controller

8611

Pos

Flow-rate fitting Type S030

Figure 37: Example of a flow-rate control with 0 - 10 V control

Setting the continuous control with standard signal in the menu:

Selection of standard signal

MODE

0001

CODE

Selection of control variable

4 – 20

0 – 10

Continue with

Selection of process value input

see Figure 27

Figure 38: MODE; Setting the standard signal

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Type 8611

Functions of the Configuration Level

12.3.5. 2P – T - Quasi-continuous 2-state control with open/ closed valves

This function can be used to implement quasi-continuous controls using open/closed valves.

Here, unlike in purely open/closed controls that only provide for the states open or closed, the control time for the opening or closing is varied proportionally to the set-point/actual value deviation. The valves are controlled via the transistor output of the controller.

Pt 100

Controller setting:

MODE = T, 2P – T, NC, PT

Figure 39: Example of a 2-state temperature control with open/closed valve

Setting the quasi-continuous 2-state control in the menu:

MODE

0001

CODE

Selection of control variable

Selection of 2-state control

2P – T

Continue with

Selection of process value input

see Figure 27

Selection of operating principle

VLV1

8611

NC valve

Enter minimum control time

0001

TMN1

Figure 40: 2P – T; 2-state control / operating principle

Display Description

2P – T

VLV1 NC NO

TMN1

Table 17: Display 2P – T; quasi-continuous 2-state control / operating principle

Quasi-continuous 2-state control with time-proportional control for opening and closing. Control of valve 1 (output BO3) Valve with operating principle "closed with no current" (normally closed). Valve with operating principle "opened with no current" (normally open). Minimum control time in ms

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Type 8611

Functions of the Configuration Level

12.3.6. 3P – T - Quasi-continuous 3-state control with open/closed valves or motor valve

This function can be used to implement quasi-continuous controls using open/closed valves or motor valves.

Controller setting:

MODE = P, 3P – T, NC, TMN1, NO, TMN2, NORM

Set-point value

Actual value

8611

4 - 20 mA

VLV1 (NC)

Control of valve 1

Operating principle

NC = closed with no current

Figure 41: Example of a three-state pressure control

Controller setting:

MODE = T, 3P – T, NC, TMN1, NC, TMN2, NORM

Tank

8611

VLV1 VLV2

VLV2 (NO)

Control of valve 2

Operating principle NO = open with no current

4 - 20 mA

Figure 42: Example of a three-state temperature control

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Setting the quasi-continuous 3-state control in the menu:

MODE

0001

CODE

Selection of control variable

Selection of operating principle and enter minimum control time

Type 8611

Functions of the Configuration Level

Selection of three-state control

3P – T

VLV1

0001

TMN1

VLV1

Continue with

Selection of process value input

see Figure 27

Figure 43: 3P – T; 3-state control / operating principle

Display Description

3P – T

VLV1

VLV2

TMN1 TMN2

Table 18: Display 3P – T; quasi-continuous 3-state control / operating principle

Quasi-continuous 3-state control with time-proportional control for opening and closing. Control of valve 1 or "Open" motor valve (output BO3)

Control of valve 2 or "Close" motor valve (output BO4)

Valve with operating principle "closed with no current" (normally closed). In the event of a motor drive, the NC operating principle must be set for both VLV1 and VLV2.

Valve with operating principle "opened with no current" (normally open). Minimum control time of valve 1 in ms. Minimum control time of valve 2 in ms.

VLV2

0001

TMN2

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Type 8611

Functions of the Configuration Level

12.4. UNIT - Selection of measuring units and decimal

places

In this menu option, the measuring units and the number of decimal places (see Table 20) are selected for the displayed values.

What measuring unit is selected in the UNIT menu depends on the control variable set in the MODE menu.

Selecting the measuring unit and decimal places in the menu:

UNIT

Selected control variable

MODE = F,

Selected control variable

MODE = RATI

Selected control variable

MODE = P

L / M

G / H

G / M

ML / M

M3 / H

L/H

Liters/minute

Gallons/hour

Gallons/minute

Milliliters/minute

Cubic meters/hour

Liters/hour

DP F

0.1

DP F

0.01

DP F

BAR

MBAR

PSI

Bar

Millibar

PSI (American measuring unit)

DP_P

0.1

DP_P

0.01

DP_P

SETP

RFAC

Figure 44: UNIT; Selecting the measuring unit and decimal places for control variable MODE = RATI,

MODE = F, MODE = P

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Type 8611

Functions of the Configuration Level

UNIT

Selected control variable

MODE = T

°C

°F

Degrees/Celsius

Degrees/Fahrenheit

Display without measuring unit

Selected control variable

MODE = T + F, T - F

°C

°F

Degrees/Celsius

Degrees/Fahrenheit

Display without measuring unit

DP_T

0.1

DP_T

0.01

DP_T

SETP

RFAC

L/M

G/H

G/M

ML/M

M3/H

L/H

0.1

DP_T

0.01

DP_T

Liters/minute

Gallons/hour

Gallons/minute

Milliliters/minute

Cubic meters/hour

Liters/hour

DP_F

0.1

DP_F

0.01

DP_F

Figure 45: UNIT; Selecting the measuring unit and decimal places for control variable MODE = T,

MODE = T+F, MODE = T-F

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Type 8611

Functions of the Configuration Level

UNIT

Selected control variable

MODE = L

Selected control variable

MODE = X

Meters

Centimeters

Millimeters

Inch

Feet

DP_L

0.1

DP_L

0.01

DP_L

pH value

Display without measuring unit

Ωxc

S/c

mS/c

µS/c

ppm

Conductivity (Ohm · cm)

Conductivity (Siemens/cm)

Conductivity (Millisiemens/cm)

Conductivity (Microsiemens/cm)

Concentration

DP_X

0.1

DP_X

0.01

DP_X

SETP

RFAC

Figure 46: UNIT; Selecting the measuring unit and decimal places for control variable MODE = L, MODE = X

Selecting the decimal places:

Display Description

0.1

0.01

No decimal places One decimal place

Two decimal places

Table 19: Selecting the decimal places

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Type 8611

Functions of the Configuration Level

12.5. SETP / RFAC - Selection and scaling of set-point value default / entry of ratio factor

When selecting the set-point value default, the display in the menu makes a distinction between the set-point value for the process control and the set-point value for the ratio control.

In the case of process control, the SETP menu is displayed for the setting; in the case of ratio control the RFAC menu.

Set-point value for the process control (SETP): The process control applies for all control variables set in the MODE menu except for the control variable RATI.

The ratio factor (RFAC) is entered as set-point value for the ratio control:

For the ratio control, the control variable RATI must be set in the MODE menu.

For both control types, it is possible to select in the menu whether the set-point value is specified internally (INT) using the keys or externally (EXT) using a standard signal.

If external set-point value default was selected, this is indicated by a 1 on the display (see chapter “9.1.1. Display elements”).

At the process operating level and in the operating state MANUAL, the internal set-point value default is specified using the following menus: SET for the process control (see chapter “11.5. SET - Set-point value default for process control”) RFAC for the ratio control (see chapter “11.6. RFAC - Ratio factor default for ratio control”)

Settings in the menu for process control (SETP):

Selection of set-point value default

SETP

INT

Selection of standard signal

EXT

4 – 20

0 – 10

Scaling

0000

4 mA *)

0000

0 V *

)

50.00

20 mA *

50.00

10 V *

)

The display depends on the selection of the standard signal

)

S_IN

AOUT

Figure 47: SETP; Setting the set-point value default and scaling for process control

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Type 8611

Functions of the Configuration Level

Display SETP Description

INT

Internal set-point value default. Is entered in the operating state MANUAL in the SET menu using the keyboard. See chapter “11.5. SET - Set-point value default for process control”

EXT

4 mA / 20 mA

External process set-point value default using standard signal (4 - 20 mA or 0 - 10 V). Scaling of 4 - 20 mA standard signal (for definition of decimal places see UNIT menu).

0 V / 10 V

Table 20: Display SETP

Scaling of 0 - 10 V standard signal (for definition of decimal places see UNIT menu).

Setting in the menu for ratio control (RFAC):

Selection of set-point value default

RFAC

INT

EXT

Scaling

0000

4 mA *)

0000

0 V *

Selection of standard signal

4 – 20

0 – 10

9.999

10 V *

)

The display depends on the selection of the standard signal

)

20 mA *

9.999

)

S_IN

AOUT

Figure 48: RFAC; Setting the ratio factor

Display

Description

RFAC

INT

Internal ratio factor default. Is entered in the operating state MANUAL in the RFAC menu using the keyboard. See chapter “11.6. RFAC - Ratio factor default for ratio control”.

Value range: 0.000 to 9.999

EXT

4 mA / 20 mA

0 V / 10 V

Table 21: Display RFAC

External ratio factor default (RFAC) using standard signal (4 - 20 mA or 0 - 10 V).

Scaling of 4 - 20 mA standard signal (value range: 0.000 - 9.999).

Scaling of 0 - 10 V standard signal (value range: 0.000 - 9.999).

The decimal place for the ratio factor RFAC is fixed and cannot be changed.

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Type 8611

Functions of the Configuration Level

12.6. S_IN - Scaling of sensor input signal (4 - 20 mA or 0 - 10 V)

The S_IN menu is only displayed if an analog sensor input was selected in the MODE menu.

Setting in the menu:

Selection of sensor input

S_IN

4 - 20

0 – 10

CALI

Figure 49: S_IN; Scaling of the sensor input signal

Display Description

4 - 20

Selection of 4 - 20 mA as sensor input

4 mA: Entry of display value for 4 mA 20 mA: Entry of display value for 20 mA

0 – 10

Selection of 0 - 10 V as sensor input

0 V: Entry of display value for 0 V 10 V: Entry of display value for 10 V

Value range: Display value for 4 mA / 0 V < display value for 20 mA / 10 V or

display value for 20 mA / 10 V < display value for 4 mA / 0 V

Table 22: Display S_IN

Scaling

0000

)

4 mA *

)

The display depends on the selection of the

0050

20 mA *

)

sensor input

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Type 8611

Functions of the Configuration Level

12.7. AOUT - Scaling of analog output

(4 - 20 mA or 0 - 10 V)

The analog output is selected and scaled in this menu.

The AOUT menu is not displayed if, in the MODE menu, 4 - 20 or 0 - 10 was selected as actuating element. See chapter “12.3. MODE - Selection of control variable, actuating element and process value input”.

Setting in the menu:

Selection of standard signal Selection of output variable

AOUT

4 – 20

0 – 10

FLOW *

TEMP *

PRES *

LEVL *

POS *

RFAC *

VAL *

Q1 *

Q2 *

)

*) The display depends

)

on the control variable set in the MODE menu

)

The display depends

on the selected output variable

CALI

Figure 50: AOUT; Scaling of the analog output

Display Description

4 - 20 0 - 10

FLOW

TEMP

Selection of 4 - 20 mA standard signal output Selection of 0 - 10 V standard signal output

Output of flow-rate as standard signal (only for control variable MODE = F, T + F, T - F)

Output of temperature as standard signal (only for control variable MODE = T, T + F,

T - F)

PRES

LEVL

VAL

Output of pressure as standard signal (only for control variable MODE = P)

Output of filling level (only for control variable MODE = L)

Output of process value (only for control variable MODE = X or T and UNIT = NU)

Scaling

0000

4 mA **

0000

0 V **

)

20 mA **

)

50.00

)

10 V **

)

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Page 66

Display Description

POS

Output of actuating element position (only for actuating element type MODE = SCV)

Value range: 000.0 - 100.0

RFAC

Output of flow-rate Q1 for ratio control (control variable MODE = RATI)

Output of flow-rate Q2 for ratio control (control variable MODE = RATI)

Output of ratio factor RFAC for ratio control (control variable MODE = RATI)

Scaling: Fixed scaling between 0.000 and 9.999.

4 mA / 20 mA

Scaling of 4 - 20 mA output signal. 4 mA: Entry of output value for 4 mA 20 mA: Entry of output value for 20 mA

Value range: Output value for 4 mA < output value for 20 mA or

0 V / 10 V

Scaling of 0 - 10 V output signal. 0 V: Entry of output value for 0 V

10 V: Entry of output value for 10 V

Type 8611

Functions of the Configuration Level

000.0 = valve closed

100.0 = valve open

output value for 20 mA < output value for 4 mA

Table 23: Display AOUT

Value range: Output value for 0 V < output value for 10 V or

output value for 10 V < output value for 0 V

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Type 8611

Functions of the Configuration Level

12.8. CALI - Calibration of the analog inputs and outputs

NOTE!

Impaired function due to incorrect calibration.

The calibration must be done by trained staff only

All analog inputs and outputs were calibrated at the factory prior to delivery of the controller Type 8611. However, it is possible to recalibrate the analog inputs and outputs for services purposes or for checking the calibration.

Setting in the menu:

CALI

0002

CODE

Only for external set-point value default

(SETP = EXT)

Only for sensor input

(MODE = ... NORM)

Calibration set-point input

00.00

)

SETA*

00.00

)

SETV*

Calibration sensor input

00.00

IN A**

)

00.00

)

IN V**

Calibration analog output

20.00

OUTA***

)

***

10.00

OUTV***

)

*) The display depends on the

selection of the standard signal in the SETP menu (4 – 20 or 0 – 10).

)

The display depends on the

sensor input selected in the S_IN menu (4 – 20 or 0 –10).

)

The display depends on the standard signal selected in the AOUT menu (4 – 20 or 0 –10).

Calibration temperature input

Only for sensor input

(MODE = ... PT)

(default 0 °C) (default 100 °C)

000.0

TEMP

KFAC

Figure 51: CALI; Calibration of the analog inputs and outputs

100.0

TEMP

Accept tem-

perature

calibration

SAVE

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Type 8611

Functions of the Configuration Level

12.9. Calibration of the assembly models:

Wall, rail, valve or fitting assembly

Menu Description Circular plug-in

connector

Use standard signal transmitter to apply a

SETA,

SETV

defined voltage (max. 10 V) or defined current (max. 20 mA), as shown in the columns on the right.

Use the arrow keys to change the displayed value

M 12, 8-pole

until the display corresponds to the default. Apply defined current to sensor input, as shown

IN A,

IN V

in the columns on the right.

Use the arrow keys to change the displayed value

M 8, 3-pole

until the display corresponds to the default.

OUTA,

OUTV

Connect multimeter to circular plug-in connector, as shown in the columns on the right, and measure the current and voltage value.

Use the arrow keys to change the current or voltage value until 20 mA or 10 V are displayed on the multimeter.

M 12, 8-pole

Wall assembly (only identification number 182383)

M 8, 4-pole

Use standard signal transmitter to apply a temperature of 0 °C or a resistance of 100 Ω, as shown in the columns on the right. Press the up arrow key to accept the value.

TEMP

Increase temperature value to 100 °C or resistance to 138.506 Ω. Press the up arrow key to

M 8, 3-pole

accept the value.

Pin External circuit

5 (+)

7 (–)

4 (+)

3 (–)

6 (–)

4 (+)

2 (–)

4 (+)

Confirm the SAVE display with the ENTER key to save the measurement.

Table 24: Calibration of the assembly models: Wall, rail, valve or fitting assembly

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Type 8611

Functions of the Configuration Level

12.10. Calibration of the control cabinet model

Menu Description Terminals External circuit

Use standard signal transmitter to apply a defined voltage

SETA,

SETV

IN A,

IN V

OUTA,

OUTV

TEMP

Table 25: Calibration of the control cabinet model

(max. 10 V) or defined current (max. 20 mA), as shown in the columns on the right.

Use the arrow keys to change the displayed value until the display corresponds to the default.

Apply defined current to sensor input, as shown in the columns on the right.

Use the arrow keys to change the displayed value until the display corresponds to the default.

Connect multimeter to terminals, as shown in the columns on the right, and measure the current and voltage value.

Use the arrow keys to change the current or voltage value until 20 mA or 10 V are displayed on the multimeter.

Use standard signal transmitter to apply a temperature of 0 °C or a resistance of 100 Ω to the terminals, as shown in the columns on the right. Press the up arrow key to accept the value.

Increase temperature value to 100 °C or resistance to

138.506 Ω. Press the up arrow key to accept the value.

Confirm the SAVE display with the ENTER key to save the measurement.

2114

14 (+)

21 (–)

2221

22 (+)

21 (–)

109

2019

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Type 8611

Functions of the Configuration Level

12.11. KFAC - Entry of K-factor for flow-rate measurement

The controller Type 8611 only displays the KFAC menu if entry of the K-factor is required. This is the case if a sensor with frequency input was selected. (MODE, selection of process value input, FREQ. See chapter 12.3).

In the controller Type 8611, the respective K-factor is already pre-set for the sensors from Bürkert. Once the type and the flow-rate variable have been selected, the corresponding K-factor is displayed and confirmed with the ENTER key.

Selecting the FREE menu option also allows for individual, i.e. type-independent entry of the K-factor.

Entry of the K-factor for ratio control (MODE = RATI):

If frequency input was selected for both flow-rate sensors for ratio control, one of the inputs must be selected for the entry of the K-factor. When the menu is started, the selection Q1 and Q2 is displayed.

For ratio control see chapter “12.3.1. RATI - Selection of external sensors for ratio control”.

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Type 8611

Functions of the Configuration Level

KFAC

Q1 *

Q2 *

FREE

)

*) Q1 and Q2 are only displayed if frequency input

(FREQ) was selected for both flow-rate sensors in ratio control.

DP_K

0.1

DP_K

0.01

DP_K

BACK

Selection of ultrasonic sensor

8081

Selection of oval wheel sensor

8071

S070

Selection of paddle wheel sensor

8031

QN0.6

QN1.5

QN2.5

QN3.5

QN6.0

500

100

DN15

DN25

DN40

DN50

DN80

DN100

100

250

0050

KFAC

The display 0.01, 0.1, 1 is used for setting the decimal place.

Use the display 10 for setting the multiplier 10 for the K-factor.

0500

KFAC

0400

KFAC

0500

KFAC

1020

KFAC

Selection of paddle wheel sensor

Fitting S030 and the fitting of devices 8030, 8011 and 8012, DN15, exist in 2 versions. The „v2“ marking can be found either on the bottom or on the side of the

FILT

Figure 52: KFAC; entry of K-factor

fitting.

S030

8030

8012

8011

PVDF

PVC

DN06

DN08

DN15

DN20

DN25

DN32

DN40

DN50

OLD

english

440.0

KFAC

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Type 8611

Functions of the Configuration Level

12.12. FILT - Filtering of the process actual value input

Factory setting: FILT = 08 Value range: 2 - 20

The process actual value input is prepared via a digital FIR filter for the control or for the analog process value output. The behavior of such filter corresponds to an analog filtering using an RC element. The time behavior of the filtering differs depending on the measuring signal (frequency signal or analog signal).

12.12.1. Filtering analog inputs (4 - 20 mA, 0 - 10 V, Pt 100)

The analog measurement values are scanned at a sampling frequency of 300 Hz, the resulting sampling rate amounts to 3.33 ms The time behavior of the measurement value depending on the filtering depth is shown in the figure below.

Measuring signal

Jump signal Filtering depth 2 Filtering depth 4 Filtering depth 6 Filtering depth 8 Filtering depth 12 Filtering depth 16

80 130 180 230 280 330 380

Figure 53: Filtering of the analog measurement values depending on different filtering depths

Time in [ms]

The T90 time as response to a jump signal can be estimated as follows:

= 2.2 x sampling rate (3.33 ms) x filtering depth = 7.3 ms x filtering depth

12.12.2. Filtering frequency inputs

For frequency inputs, the sampling frequency for filtering the flow-rate value varies. It depends on the selected flowrate sensor. The typical output frequencies for the Bürkert flow-rate sensor range between 10Hz and 200 – 300 Hz. The measured period TP serves as the measure for estimating the T90 time. Based on this period, the T90 time can be estimated as follows:

= 2.2 · period · filtering depth

- f

The following table contains a list of the frequency range (f

min

sensors that are stored in the eCONTROL Type 8611. Sampling frequencies under f by the eCONTROL Type 8611 as zero flow-rate.

) and the period (Tp) for the Bürkert flow-rate

max

are automatically detected

min

Sensor type 8011, 8012,

8031 S070 8071 8081 FREE

8030, S030

Frequency range [Hz] f

- f

min

max

Period [ms] T

Table 26: FILT, frequency range and period of Bürkert flow-rate sensors

3 - 255 15 - 283 1 - 72 0,5 - 55 0,5 - 666 0,5 - 2000

333 - 4 66 - 3,5 1000 - 14 2000 - 18 2000 - 1,5 2000 - 0,5

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Type 8611

Functions of the Configuration Level

12.13. PARA - Adjusting the controller parameters

In this menu, the following parameters can be set for the eCONTROL Type 8611:

• Proportional coefficient (proportional gain for opening and closing the actuating element) KP

, KP2

The influence that the proportional coefficient has with regard to the selected actuating element and how the proportional gain is calculated are described in the following chapter “12.3.1. RATI - Selection of external sensors for ratio control”.

• Controller cycle time TREG

• Reset time TN, TN_T

• Dead zone DEAD, DE_T

• Effective direction between process value and valve position INV

• Zero point shut-off ZERO

• Defining the start value STRT

What controller parameters are displayed for setting in the PARA menu depends on the actuating element selected in the MODE menu. See chapter “12.3. MODE - Selection of control variable, actuating element and process value input”.

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Setting the controller parameters in the menu:

PARA

Type 8611

Functions of the Configuration Level

Set value

Accept value

01.50

KP1

01.50

KP2

01.00

TREG

00.50

00.10

DEAD

00.50

KP_T

01.00

TN_T

01.50

KP1 *

01.50

KP2 *

01.00

TREG

00.50

00.10

DEAD

00.50

KP_T *

01.00

TN_T

KP1, proportional coefficient 1

)

Changing the decimal place

(see Table 28)

)

KP2, proportional coefficient 2

Cycle time for controller [s] (display only for MODE = PVC,

3P – T, 2P – T,)

Reset time [s] (display only for MODE = SCV,

0 – 10, 4 – 20, 2P – T, 3P – T,)

Dead zone absolute. Unit and display of decimal place analogous to UNIT.

Proportional coefficient for cascaded

)

temperature control (display only for MODE = T + F)

Reset time in [s] for cascaded temperature control (display only for MODE = T + F)

01.00

DE_T

01.00

DE_T

INV

ZERO

01.00

STRT

BACK

AOUT

Figure 54: PARA; Adjusting the controller parameters

04.00

STRT

YES

INV

YES

ZERO

Dead zone absolute for cascaded temperature control (display only for MODE = T + F). Unit and display of decimal place analogous to UNIT.

Effective direction between process value and valve position

Zero point shut-off (if default < 2 % of the set-point value range). Display only for INV = NO

Definition of start value for manipulated variable (display only for MODE = SCV, 0 – 10, 4 – 20, 2p - T, 3P - T)

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Type 8611

Functions of the Configuration Level

12.13.1. KP1, KP2 - Setting the proportional coefficient (proportional gain)

Depending on the actuating element selected in the MODE menu (see chapter 12.3), the influence of the proportional coefficient varies. It serves as proportional gain [KP] either for opening or for closing the actuating element.

Calculation of the proportional gain [K

]:.

Calculation for continuous control (MODE = SCV, 4 – 20 or 0 – 10): The proportional gain is calculated by dividing the value for the manipulated variable change [∆%] by the value for the process value change [∆PV].

∆%

∆PV

Manipulated variable change

Process value change

Depending on the selected actuating element in the MODE menu the manipulated variable is scaled as follow:

MODE = SCV

0 % = Pulse duty factor 0 % 100 % = Pulse duty factor 100 % (relatively to PWM-

frequency)

MODE = 0 - 10 MODE = 4 - 20 MODE = 2P - T

MODE = 3P - T

MODE = PCV

0 % = Manipulated variable 0 V 100 % = Manuipulated variable 10 V 0 % = Manipulated variable 4 mA 100 % = Manipulated variable 20 mA 0 % = Valve closed 100 % = Valve (VLV1) open in relatio to time T

= 100 %)

REG

0 % = Valve 1 closed 100 % = Valve 1 (VLV1) in relatio to time T

= 100 %)

REG

0 % = Valve 2 closed -100 % = Valve 2 (VLV2) in relatio to time T

= 100 %)

REG

0 % = Valve 1 closed 100 % = Valve 1 (VLV1) in relatio to time T

= 100 %)

REG

0 % = Valve 2 closed -100 % = Valve 2 (VLV2) in relatio to time T

= 100 %)

REG

Speciality: The controller operates as a discontinous 2-state controller or 3-state controller if in the MODE menu as actuating element 2P - T or 3P - T is selected and the proportional gain K decimal place). The parameters T

and TN have no influence to the control..

REG

is set to 9999 (independent from

The influence of the proportional value on the actuating element and the calculation of the proportional gain:

Actuating element

(selection in

Influence proportional coefficient

Calculation of the proportional gain [KP]

Value range

MODE =)

SCV 4 – 20 0 – 10

Proportional gain K

for opening and closing the actuating element

KP1 =

∆% ∆PV

0.001 – 9999

Changing the decimal places

→ Press the ENTER key to select KP1 or KP2.

PCV 2P – T 3P – T

PCV 3P – T

Table 27: KP1, KP2 - Proportional gain

Proportional gain K opening the actuating element

Proportional gain K for closing the actuating element

for

KP1 =

KP2 =

∆% ∆PV

→ Use the arrow key to move to the left until the

decimal place flashes.

→ Now use the up arrow key to position the

decimal place at the correct place and confirm with ENTER.

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Type 8611

Functions of the Configuration Level

If the selected unit is changed in the UNIT menu, the proportional gain [KP] must be adapted accordingly.

Setting aid:

An unsatisfactory dynamic of the control is improved by increasing the aproportional gain [K

]. The fol-

lowing must be observed:

In the event of impermissibly high overshoots after set-point value jumps or in the event of an unstable control, the proportional gain [K

] should be reduced.

12.13.2. Examples for the setting and calculation of the

proportional gain [KP]

SCV - Pressure control using proportional valve

(For schematic representation see “Figure 33: Pressure control using proportional valve”)

Technical description:

• The control of the proportional valve is restricted to between 20 % and 90 %. The control range of the valve is restricted as follows: VALV, MIN = 20 %, MAX = 90 % (see chapter “12.17. VALV - Test function and setting of the control range”). The physical control range thus takes place between 20% and 90% of the valve position. The defined physical range is set in the controller as 100%.

• The process value change amounts to 250 mbar.

Calculation for K

KP1 = = 0,4 % mbar

100 % 250 mbar

PCV - Quasi-continuous flow-control using process valve

(For schematic representation see “Figure 34: Example of a quasi-continuous control using process valve”)

Technical description:

• Bürkert process valve with actuator size 50 mm.

• The max. process value change between closed and open position of the valve amounts to 50 l/min.

• The flow change is done within the opening time of the valve. The opening time amounts of about 2 s (see “Table 29: Valve opening times for Bürkert process valves”).

• The control range of the valve is not restricted: VALV, MIN = 0, MAX = 0 (see chapter “12.17. VALV - Test function and setting of the control range”).

Calculation for K

and KP2:

KP1 = = 2 %

100 % 50 l/mn

l/mn

The proportional coefficient for opening can also be used for closing.

The controller cycle time T

can be set between 1 - 2 s. For slow control loops like temperature control T

REG

must be increased.

REG

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Type 8611

Functions of the Configuration Level

Overview of the valve opening times of the Bürkert process valves depending on the actuator size and pilot pressure:

Actuator size [DN] Pilot pressure Opening time for valve [s] Closing time for valve [s]

2 25 4 6 2

35 3

4 4

Table 28: Valve opening times for Bürkert process valves

6 4 5 5

0 – 10 - Flow-rate control with motor valve and 0 - 10 V control

(For schematic representation see “Figure 37: Example of a flow-rate control with 0 - 10 V control”)

Technical description:

• Motor ball valve with 0 - 10 V control.

• The max. process value change between closed and open position of the valve amounts to 20 l/min.

• The control range of the valve is not restricted: VALV, MIN = 0, MAX = 10 (see chapter “12.17. VALV - Test function and setting of the control range”).

• According to the manufacturer, the opening and closing time are 90 s each.

Calculation for K

KP1 = = 5 %

100 % 20 l/min

· 100

(l/min)

The opening or closing time for the valve is taken into consideration by the reset time TN. As start value for TN about 60 - 70 % of the valve opening time can be taken.

2P – T - Temperature control with open/closed valve

(For schematic representation see “Figure 39: Example of a 2-state temperature control with open/closed valve”)

Technical description:

• Solenoid valve.

• The process value change between closed and continuously opened position of the valve amounts to 10 °C.

• The time for the temperature change amounts to 20 s.

Calculation for K

KP1 =

100 % 10 °C

= 10 %

°C

• The reset time TN can be set between 15 - 20 s.

• With the controller cycle time T Recommendation: T

= 0.5 - 0.25 T

REG

the switching frequency of the valve can be influenced.

REG

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Page 78

Setting aid:

Type 8611

Functions of the Configuration Level

An unsatisfactory dynamic of the control is improved by increasing the proportional gain [K

]. The fol-

lowing must be observed:

In the event of impermissibly high overshoots after set-point value jumps or in the event of an unstable control, the proportional gain [K

] should be reduced.

12.13.3. TREG – Setting the controller cycle time

This parameter is only available if quasi-continuous actuating parameters have been selected (MODE = PCV, 2P – T or 3P – T).

TREG defines the cycle time in seconds in that a set-point/actual value comparison is regularly executed and a new manipulated variable is calculated. Within this time the pilot valve will be switched one time.

The parameter TREG has to be set in that way to get an acceptable life time of the valve on the one side and to avoid an tolerable oscillation of the process value on the other side. The parameter TREG should be smaller than the reset time [T

]

12.13.4. TN – Setting reset time

With this parameter the I-portion of continuous or quasi-continuous control loops can be set. The reset time [TN] in seconds is the time that is required to obtain an equally large change in the manipulated variable by the I portion, as occurs due to the P portion.

The time it takes for getting about 60 - 70 % of the process value change can be taken as an start value for T

can be selected between 0.01 and 999.9 s. When 999.9 is set, the I-portion is deactivated (independent from

decimal place).

12.13.5. DEAD – Insensitivity range (dead zone)

This function causes the process controller to respond only from a specific control difference. This protects the control valves.

The dead zone is entered as an absolute value according to the unit selected in the UNIT menu.

x‘

Set-point value (SP)

–

Control difference

Process value

to the controller

x x‘

Dead zone

Figure 55: DEAD; Insensitivity range (dead zone)

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Type 8611

Functions of the Configuration Level

12.13.6. KP T – Proportional gain of the cascaded temperature

control

This parameter is only available if the MODE = T + F process variable is selected and describes the proportional gain of the superimposed temperature controller. In the cascaded temperature control, the flow-rate control serves as subsidiary control circuit.

The proportional gain KP_T is scaled as follows:

KPT =

∆PV (flow-rate change in accordance with the unit selected in UNIT)

∆°K (temperature change)

Setting aid:

For starting up the cascaded controller, it is purposeful to optimize only the flow-rate measurement first. The corresponding setting in the menu:

• Set KP_T (proportional coefficient for the cascaded temperature control) to 0.0

• Set TN_T (reset timein [s] for cascaded temperature control) to 999.9

This switches off the temperature control. The set-point value of the temperature control is taken over as the set-point value for the flow-rate control.

12.13.7. DE_T – Insensitivity range of the cascaded temperature

control

Analogously to the DEAD menu option (see chapter 12.13.5) this function causes the cascaded temperature controller to respond from a specific control difference only.

The dead zone is entered as an absolute value according to the temperature unit selected in the UNIT menu.

12.13.8. INV – Effective direction between process value and valve

position

This function is used to set the effective direction between the process value and the position of the valve (see Figure 56). Selection of inverted or not inverted control is possible.

High

INV – NOINV – YES

Process value

Low

Closed Open

Figure 56: INV; Effective direction between valve position and process value

Valve position

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Page 80

Type 8611

Functions of the Configuration Level

Display

Description

INV

YES

Figure 57: Display INV

Not inverted or direct control (the process value increases with the opening of the valve)

Inverted control (the process value decreases with the opening of the valve)

12.13.9. ZERO – Zero point shut-off

The zero point shut-off can be activated or deactivated. When the zero point shut-off is activated it is ensured that the valves close securely.

Display

ZERO

YES

Figure 58: Display ZERO

Description

No zero point shut-off. The control is continuous up to the lower limit value of the value range defined in SETP-EXT (see chapter 12.5) or up to the lower limit of the range defined in VALV-MIN (see chapter 12.17). The greater one of the two values is relevant

Zero point shut-off is active. The control is continuous until the set-point value < 2% of the upper value range of SETP-EXT has been reached.

If the 2% limit is not reached, all valve outputs are disconnected from the voltage supply. When valves are controlled with 0 - 10 V or 4 - 20 mA, the control signal is set to 0 V or 4 mA.

12.13.10. STRT – Start value for active control

A start value can be defined for continuous actuating elements; this start value is approached immediately by the actuating element when the control is started. If the working point of the control valve is known, this can be set as start value. The working point of the valve is then controlled very quickly. Depending on the selected actuating element, the following selection options are available:

Selected actuating element Value range

Solenoid control valve (SCV), open/closed valve (2P - T, 3P - T) 0 % - 100 %

Control valve with 0 - 10 V control (0 – 10) 0 V – 10 V

Control valve with 4 - 20 mA control (4 – 20) 4 mA – 20 mA

Figure 59: Start value setting

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Type 8611

Functions of the Configuration Level

12.14. B_IN - Configuration of binary input

The binary input allows for starting various controller functions. The feedback from a limit switch (for filling level, pressure, etc.), the feedback from a PLC, etc. may be binary input signals.

What menu options are displayed for the configuration depends on the actuating element set in the MODE menu.

Setting in the menu:

B_IN

INV

HOLD

SAFP

HIGH

LOW

HIGH

LOW

*) The display depends on the actuating

element set in the MODE menu

STOP *

)

HIGH OPEN

LOW CLOS

Enter value

000

)

PRZV *

000

)

mA *

000

)

V *

000

OPEN *

)

000

CLOS *

)

OPEN *

CLOS *

)

B_O1

Figure 60: B_IN; Configuration of binary input

Display Description

NO INV

Binary input not active Inverting of the effective direction defined in the PARA menu. By this, the controller can

be switched via an external signal from "cooling" to "heating", for example.

HOLD

Stopping the controller when binary input is active. Valve remains in current position.

If control is active, the "2" is displayed.

HIGH

LOW

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Page 82

Display Description

SAFP

Setting of a safety position that is approached when binary input is active. Depending on the actuating element, the following options can be selected:

PRZV: Control ratio in [%] for proportional valves mA: Control in [mA] for drives with current input as manipulated variable V: Control in [mA] for drives with voltage as manipulated variable OPEN: Open valve completely CLOS: Close valve completely

STOP

Valve movement is stopped (e.g. if the valve has reached the limit stop). The controller remains active and the binary input is automatically deactivated when the limit stop is left. The following functions are available for selection:

OPEN: Opening movement is stopped

CLOS: Closing movement is stopped

These functions are only required when using valves without position feedback in conjunction with limit switches. If, for example, the set-point value has not yet been reached and the limit switch is active, the opening or closing movement is stopped.

Type 8611

Functions of the Configuration Level

The STOP menu option is only displayed if, in the MODE menu, PCV, 2P – T or 3P – T was selected as actuating element.

OPEN

Valve is opened. The opening is restricted by the value set in VALV, MAX (see chapter “12.17. VALV - Test function and setting of the control range”).

The OPEN menu option is only displayed if, in the MODE menu, SCV, 4 – 20 or 0 – 10 was selected as actuating element.

CLOS

Valve is being closed. The closing is restricted by the value set in VALV, MIN (see chapter “12.17. VALV - Test function and setting of the control range”).

The CLOS menu option is only displayed if, in the MODE menu, SCV, 4 – 20 or 0 – 10 was selected as actuating element.

HIGH

LOW

Table 29: Display B_IN

Binary input active if 3 V < B_IN < 30 V

Binary input active if 0 V < B_IN < 2.7 V

12.15. B_O1 - Configuration of the binary output

In this menu, the binary output for one of the following functions can be configured:

Binary output not active

PULS

Pulse output (PULS) Depending on a flow-rate, a pulse signal can be emitted.

LIMT

Output for limit value monitoring (LIMT). Depending on limit values, alarms or switching contacts can be set for the case that such values are exceeded or not reached.

2_P

Table 30: B_O1; Functions

Output for discontinuous 2-state control (2_P).

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Type 8611

Functions of the Configuration Level

12.15.1. PULS - Configuration of the binary output as pulse output

In this menu, it can be defined when, referred to a specific flow-rate volume, a pulse signal is to be emitted.

The measuring units and the volume per pulse can be selected as followed:

DM3

IGAL

UGAL

Table 31: Measuring units for pulse output

Cubic decimeters (liters)

British gallon (Imperial)

American gallon

Cubic meters

Flow-rate volume per pulse (number of pulses) related to selected measuring unit

Setting aid:

Selection of the number of pulses:

The pulse frequency f

fPU =

Q (flow-rate)

PU (number of pulses)

is calculated according to the equation

The pulse frequency may never exceed the frequency of 150 Hz. Select the number of pulses PU so that you obtain a max. frequency of 150 Hz for the maximum flow-rate. A clock ratio of 50 % is emitted over the entire frequency range.

Setting in the menu:

B_O1

PULS

LIMT

2_P

For description of the configuration see “12.15.2. LIMT - Configuration of the binary output as limit switch”

For description of the configuration see “12.15.3. 2_P - Configuration of the binary output as

DM3

IGAL

UGAL

2-state controller”

B_O2

Figure 61: B_O1; Configuration of the binary output as pulse output

DP V

0.1

DP V

0.01

DP V

000.0

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Type 8611

Functions of the Configuration Level

12.15.2. LIMT - Configuration of the binary output as limit switch

This menu can be used to set alarms or switching contacts if specific limit values are exceeded or not reached.

Setting in the menu:

B_O1

PULS

LIMT

For description of the configuration see „12.15.1. PULS - Configuration of the binary output as pulse output“

REL

ABS

0002

HYLO

FLOW *

PRES *

TEMP *

LEVL *

VAL *

)

0002

HYHI

0002

PVLO

*) The display depends

on the control variable selected in the MODE

0002

PVHI

menu (see chapter 12.3)

POS *

)

0002

POSL

0002

POSH

00.0

DLY

INV

YES

INV

LED

YES

LED

2_P

B_O2

Figure 62: B_O1; Configuration of the binary output as limit switch (LIMT)

english

For description of the configuration see „12.15.3. 2_P - Configuration of the binary output as 2-state controller“

TEXT

YES

TEXT

HIGH

LOW

Page 85

Type 8611

Functions of the Configuration Level

Display Description

LIMT

REL

Selection for the binary output with the function as limit switch.

Limit states are monitored relatively to the set-point value (SETP) using a superimposed switching hysteresis between the limit values (SETP+HYLO) and SETP- HYLO). If the set-point value (SETP) is changed, the monitoring limits are adapted automatically. See Figure 64

HYHI: Permissible exceeding of upper set-point value

HYLO: Permissible dropping below lower set-point value

Value range: HYHI, HYLO >= 0

Measuring unit: absolute, like defined in UNIT

ABS

Limit values are monitored absolutely to fixed limit values (PVHI) and (PVLO). Depending on the selected control variable and measuring unit following variables can be selected:

POS

DLY

INV

FLOW: Monitoring of flow

PRES: Monitoring of pressure

TEMP: Monitoring of temperature

LEVL: Monitoring of level

VAL: Monitoring of conductivity, pH-value, concentration or process values

without indication of units (UNIT = NU)

PVHI: Upper switching threshold referred to analog process variable

PVLO: Lower switching threshold referred to analog process variable

Value range PVLO, PVHI: PVHI > PVLO

Measuring unit: absolute, like defined in UNIT Monitoring takes place relatively to the valve position (POS).

POSL: Lower switching threshold referred to valve position (%, mA or V)

POSH: Upper switching threshold referred to valve position (%, mA or V)

Value range POSL/POSH: POSH > POSL

Time in sec for that the deviation must constantly be present.

Specify whether the limit switch is to be active inside or outside the monitoring window.

YES: Binary output is active if the limit values are inside the monitoring window.

NO: Binary output is active if the limit values are outside the monitoring window.

HIGH

LOW

LED

Binary output active at voltage of 24 V.

Binary output active at voltage of 0 V.

YES: LED is on, if binary output is active

NO: LED is off, if binary output is active

TEXT

YES: Indication of error message (ERR), if binary output is active

NO: No indication of error message (ERR), if binary output is active

Table 32: Display B_O1, LIMT

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Type 8611

Functions of the Configuration Level

Schematic representation of a limit value monitoring referred to fixed process value limits:

Process actual value

Process value

PVHI

PVLO

Active HIGH

(NC valve)

DLY = 0 s

Active LOW

(NO valve)

Active HIGH

(NC valve)

DLY = 2 s

Active LOW

(NO valve)

Figure 63: B_O1; LIMT; Limit value monitoring referred to fixed process value limits

24 V

0 V

24 V

0 V

24 V

0 V

24 V

0 V

Time

Schematic representation of a limit value monitoring relatively to the variable set-point value:

Process actual

value

HYHI

HYLO

Exceeding of process value

Dropping below process value

SETP + HYHI SETP - HYLO

Active HIGH

SETP

24 V

0 V

2 s

DLY = 0 s

Active LOW

Active HIGH

24 V

0 V

24 V

0 V

DLY = 2 s

Active LOW

24 V

0 V

Time

Set-point value

Figure 64: B_O1; LIMT; limit value monitoring relatively to the variable set-point value

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Type 8611

Functions of the Configuration Level

12.15.3. 2_P - Configuration of the binary output as 2-state

controller

In the discontinuous 2-state control, an open/closed valve is opened or closed depending on two limit values, for example.

Setting in the menu:

B_O1

PULS

LIMT

2_P

*) The display depends

on the control variable selected in the MODE menu (see chapter 12.3)

For selection for binary output as pulse output see „12.15.1. PULS - Configuration of the binary output as pulse output“

For selection for binary output as limit switch see „12.15.2. LIMT - Configuration of the binary output as limit switch“

REL

ABS

0002

HYLO

000.0

SPLO

FLOW *

PRES *

TEMP *

LEVL *

VAL *

)

0001

HYHI

000.0

SPHI

00.0

DLY

INV

YES

INV

B_O2

Figure 65: B_O1; Configuration of the binary output as 2-state control (2_P)

0002

PVLO

0002

PVHI

HIGH

LOW

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Display Description

2_P

REL

Selection for the binary output with the function as 2-state controller.

The 2-state control is implemented relatively to the set-point value depending on the deviation between set-point value and actual process value. If the set-point value is changed, the control limits are adapted automatically. See “Figure 66: B_O1, 2_P; 2-state control relatively to the set-point value”

HYHI: Upper hysteresis

HYLO: Lower hysteresis

Value range: HYHI, HYLO >= 0

Measuring unit: absolute, like defined in UNIT

The switching of the outputs is done relatively to the set-point value (SETP) between the limit values (SPHI) and (SPLO). This function can be used e. g. for opening or closing an additional open/closed valve for extending the working range of the control valve.

Type 8611

Functions of the Configuration Level

ABS

DLY

INV

SPLO: Lower switching threshold referred to set-point value SPHI: Upper switching threshold referred to set-point value

Measuring unit: absolute, like defined in UNIT 2-state control between the fixed limit values (PVHI) and (PVLO). Depending on the

selected control variable and measuring unit following can be selected:

FLOW: 2-state control of flow

PRES: 2-state control of pressure

TEMP: 2-state control of temperature

LEVL 2-state control of level

VAL: 2-state control of conductivity, pH-value, concentration or process values

without indication of units (UNIT = NU)

PVHI: Upper switching threshold referred to analog process value.

PVLO: Lower switching threshold referred to analog process value.

(PVHI >= PVLO)

The 2-state control between the limit values PVHI and PVLO can, for example, be used for the filling level control in a tank.

Time in sec for that the deviation must constantly be present.

Effective direction between the process value and the opening of the valve

YES: Inverted control direction

NO: Direct control direction (not inverted)

Example: The control is inverted, if the displayed process value decreases when the valve opens.

HIGH

LOW

Table 33: Display B_O1, configuration as 2-state controller

Binary output active at voltage of 24 V.

Binary output active at voltage of 0 V.

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Type 8611

Functions of the Configuration Level

Schematic representation of a 2-state control relatively to the set-point value:

Process actual value

Process value Set-point value

SETP + HYHI

SETP

SETP - HYLO

Inverted control (cooling)

Active HIGH

(NC valve)

Active LOW

(NO valve)

24 V

0 V

24 V

0 V

Direct control (heating)

Active HIGH

(NC valve)

Active LOW

(NO valve)

Figure 66: B_O1, 2_P; 2-state control relatively to the set-point value

24 V

0 V

24 V

0 V

HYHI

HYLO

Time

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12.15.4. Error messages for B_O1 and B_O2

Type 8611

Functions of the Configuration Level

B_O1 B_O2

ERR1 ERR3

ERR2 ERR4

Table 34: B_O1; error messages

Description

ERR1 is displayed if the process value displayed by the monitoring window is exceeded or not reached relatively to the set-point value (PV > SETP+HYHI or PV < SETP-HYLO). The last measurement value is displayed and the red LED is lit. According to the definition made in B_O1, the binary output is set to LOW (0 V) or HIGH (24 V).

The controller remains active.

RESET: The red LED goes off. The display and the binary output are reset automatically as soon as the process value displayed in the monitoring window is once again within the range of the set-point value.

ERR2 is displayed if the value displayed by the monitoring window is exceeded or not reached absolutely to the fixed process value limit (PVHI, PVLO). (PV > PVHI or PV < PVLO). The last measurement value is displayed and the red LED is lit. According to the definition made in B_O1, the binary output is set to LOW (0 V) or HIGH (24 V).

The controller remains active.

RESET: The red LED goes off. The display and the binary output are reset automatically as soon as the process value displayed in the monitoring window is once again within the process value limit.

12.16. B_O2 - Second binary output

The binary output B_O2 is only available for the control cabinet model of Type 8611. The description for binary output B_O2 is identical to that of binary output B_O1 (see chapter 12.15).

As all models of the eCONTROL Type 8611 controller are equipped with the same software, the B_O2 menu option also exists in the assembly models for wall, rail, valve and fitting assembly, even though binary output B_O2 is not available. If B_02 is activated, an error message is displayed on the display or by the LED in accordance with the defined limit values.

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Type 8611

Functions of the Configuration Level

12.17. VALV - Test function and setting of the control

range

In this menu option, the actuating element can be operated manually, for instance in order to

• test how the process variable responds to the change in manipulated variable or

• to define the permissible control range of the actuating element.

It is recommended to carry out the settings under real process conditions if the process allows it.

12.17.1. Control with PI-action structure

(TN activated, TN > 0), MODE = SCV, 0 - 10, 4 - 20, 2P -T, 3P - T

Setting in the menu:

)

The display (PRZ, 0 – 10 or 4 – 20) depends on the actuating element set in the

MODE menu.

VALV

approx.

2 s

055

PRZ *

150

L/H

Display manipulated variable

(return to the process value display after approx. 2 seconds)

)

The arrow keys are used to display and at the same time to change the value of the manipulated variable.

Increasing of the manipulated variable of valve 1 (VLV1), bargraph length increases from left (0 %, 0 V, 4 mA) to right (100 %, 10 V, 20 mA). **)

Decreasing of the manipulated variable of valve 1 (VLV1), bargraph length decreases from right to left. ** actuated, the bargraph moves from right (0 %) to left (-100 %).

)

For MODE = 3P -T only valve 2 (VLV2) is

Display process value

In the case of cascaded control, the two process values are displayed alternately.

Press the ENTER key to take over the current manipulated variable in the buffer

055

END

100

MAX

Displays the value in the buffer

When the ENTER-key is pressed, no value is saved when returning to the previous display.

Display of maximum manipulated variable as currently saved.

The ENTER key is pressed to take over the value from the buffer (as displayed in END) for the maximum manipulated variable.

Display of minimum manipulated variable as

CODE

000

MIN

)

Depending on the selected actuating element (in the MODE menu), the manipulated variable is increased or decreased by 1%, 0.2 mA or 0.1 V.

currently saved.

The ENTER key is pressed to take over the value from the buffer (as displayed in END) for the minimum manipulated variable.

Operating range: 0 - 100 %, 4 - 20 mA, or 0 - 10 V.

Table 35: VALV; menu setting for control with PI-action structure (TN activated, TN > 0)

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Type 8611

Functions of the Configuration Level

12.17.2. Control with P-action structure

(TN deactivated, TN = 9999), MODE = PCV, 2P -T, 3P - T

Setting in the menu:

1. Press the ENTER key to display the current process value. In the case of cascaded control, the process value

and the flow-rate value are displayed alternately

Press the up arrow key to open the actuating element, and the down arrow key to close the actuating element.

Press the up arrow key to operate the actuating element 1 (VLV1), and the down arrow key to operate the

actuating element 2 (VLV2). For MODE = 2P - T only the actuating element 1 (VLV1) can be operated with the arrow up key.

Each time the key is pressed, the actuating element is operated for 40 ms. If the button is pressed continu-

ously the control of the actuating element will be continuously.

Press the ENTER key to take over the displayed process value in the buffer END.

2. Press the arrow keys to switch between the displays for the

- currently saved maximum value (MAX)

- currently saved minimum value (MIN) in the buffer (END).

3. Press the ENTER key to confirm the selection and

• if END is selected, no change is made when returning to the previous display.

• When selecting MIN or MAX the value from the buffer is displayed.

It can be stored by pressing the ENTER key once again, or can manually be overwritten using the arrow keys before saving.

VALV

Display process value *

150

L/H

)

Display buffer

150

END

Display MAX value

180

MAX

Display MIN value

MIN

150

MAX

150

MIN

*) In the case of cascaded control, the two process values are displayed alternately.

CODE

Figure 67: VALV, menu setting for control with P-action structure (TN deactivated, TN = 9999)

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Type 8611

Functions of the Configuration Level

12.18. CODE - Code protection

Access to the configuration level can be protected by a code. Any unauthorized persons are thus denied access and cannot change the parameters.

If the code protection is activated, there is a prompt to input the code prior to each blocked operator action.

The following operator actions are blocked if code protection is activated:

• Changing the controller parameters in operating state MANUAL under the PARA menu (see chapter 11.8)

• Access to the configuration level (see chapter 12.1)

Factory setting: Upon delivery from the factory, the display in the CODE menu is set to 0000. This means that the code protection is not activated. Switching to the configuration level (see chapter “9.2.1. Switching between the operating levels and operating states”) is done without query of the code.

Setting the code protection in the menu:

Enter code

CODE

DSPL

Figure 68: CODE; Setting the code protection

0000

CODE

A value between 0001 and 9999 can be entered for the code protection.

If 0000 is entered, the code protection is not activated.

12.18.1. If you have forgotten the code

If you have forgotten the code, access is possible using a master code.

In this case, please contact your the sales office responsible for you. The contact details can be found on our homepage under www.burkert.com

Bürkert

Company

Locations

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Type 8611

Functions of the Configuration Level

12.19. DSPL - Setting the display

In this menu, the following settings for the display can be made:

• Activation of the background lighting

• Define what value or what manipulated variable should be displayed after switching on the voltage.

Setting the display in the menu:

DSPL

FACT

Figure 69: DSPL; Setting the display

Display Description

PVAL

Display process actual value. Depending on the unit selected in the UNIT menu (see chapter 12.4) the corresponding process actual value with unit is displayed. In the case of cascaded control, the temperature and the flow-rate value are displayed alternately. In the case of ratio control, the two flow-rate values are displayed alternately.

CMD

Display manipulated variable. Depending on the actuating element selected in the MODE menu (see chapter 12.3) the following is displayed:

L OFF

YES

L OFF

The background lighting remains switched on continuously.

The background lighting switches on when the button is pressed and switches off automatically after 60 seconds.

PVAL

CMD

Display process actual value

Display manipulated variable (only for continuous control (MODE = SCV, 4 – 20 or 0 – 10) see chapter 12.3.2)

BOTH

Display set-point value and process actual value

SETP

Display set-point value

PRZV: Display manipulated variable for control of proportional valve in [%]

4 – 20: Display manipulated variable for control of analog actuating element in [mA]

0 – 10: Display manipulated variable for control of analog actuating element in [V]

The CMD function is not available for selection for the actuating elements PCV, 2P – T and 3P – T.

BOTH

SETP

Set-point value (SETP) and process actual value (PVAL) are shown on one display

Display set-point value. Depending on the control variable selected in the MODE menu (see chapter 12.3) the following is displayed:

SET: Display set-point value for process control

RATI: Display set-point value for ratio control

Table 36: Display DSPL

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Type 8611

Functions of the Configuration Level

12.20. FACT - Reset to Factory Settings

In this menu, the controller Type 8611 can be reset to the factory settings it was delivered with.

Setting in the menu:

Enter access code 0003

FACT

U_xx

Figure 70: FACT; Reset to Factory Settings

0003

CODE

FACT

YES

FACT

Return without resetting of the settings

Resetting to factory settings upon delivery

12.21. U_xx, B_xx - Display of the program version and

software version

• In the U_xx menu, the program version of the controller Type 8611 is displayed.

• In the B_xx menu, the software version of the controller Type 8611 is displayed.

Menu display:

U_xx

B_xx xxxx

END

Figure 71: U_xx, B_xx; Display of the program version and software version

Display program version

Display software version. After pressing the ENTER key, the sub-version is displayed for 2 seconds

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Type 8611

Functions of the Configuration Level

12.22. END - Leaving the configuration level

Press the ENTER key in the END menu option to leave the configuration level. After that, the controller is once again at the process operating level and in the AUTOMATIC operating state (see chapter “9.2.1. Switching between the operating levels and operating states”).

If the arrow keys are pressed, the controller remains at the configuration level and switches to the next or the previous menu option.

MODE

Menu selection

of the

configuration level

B_xx

END

Switching to the process operating level

AUTOMATIC operating state

Figure 72: END; Leaving the configuration level

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Type 8611

Overview Setting parameters

13. OVERVIEW SETTING PARAMETERS

Continuous control Quasi-continuous control Discontinuous

control

Actuating element

Proportional

Linear actuating element

valve

Program

SCV 0-10 4-20 PCV 2P – T 3P – T 2P – T 3P – T

MODE

Control

PWM

[-] [-] [-] [-] [-] [-] [-]

frequency

Operating

[-] [-] [-] [-] NC/NO NC/NO NC/NO NC/NO

principle

Minimum

[-] [-] [-]

control time

Valve parameter (MODE)

Control structure

Proportional gain

KP1 [%/PV]

Reset time TN

[s]

P (T

KP1 [%/PV]

TN [s]

PI oder

= 9999)

TN [s]

Cycle time [-] [-] [-] TREG

Dead zone DEAD

[∆ PV]

Control direction

Zero point shut-off

Startposition of control

INV (Yes/No)

ZERO (Yes/No)

STRT

[0-100]

DEAD [∆ PV]

INV (Yes/No)

ZERO (Yes/No)

STRT

[0-10]

DEAD [∆ PV]

INV (Yes/No)

ZERO (Yes/No)

STRT

[4-20]

Process valve

Open/ closed valve

TMN1/ TMN2

TMN1

[ms]

P PI oder

P (TN = 9999)

KP1 [%/PV]

[-] TN

[s]

TREG

[s]

DEAD [∆ PV]

INV (Yes/No)

ZERO (Yes/No)

[s]

DEAD [∆ PV]

INV (Yes/No)

ZERO (Yes/No)

[-] STRT

[0-100]

Open/ closed rotary actuator

TMN1/ TMN2

[ms]

KP1 / KP2 [%/PV]

TN [s]

TREG [s]

DEAD

[∆ PV]

INV (Yes/No)

ZERO (Yes/No)

STRT

[0-100]

Open/ closed valve

TMN1 [ms]

Open/ closed valve

TMN1/ TMN2

[ms]

KP1 (=9999)

KP1 / KP2 (=9999)

[-] [-]

DEAD [∆ PV]

INV (Yes/No)

ZERO (Yes/No)

DEAD

[∆ PV]

INV (Yes/No)

ZERO (Yes/No)

[-] [-]

Control parameter (PARA)

Additional control parameters for setting a cascaded control loop (MODE = T + F)

Proportional gain

Reset time TN_T

Dead zone DEAD

Table 37: Overview setting parameters

KP_T

[%/°K]

[s]

[∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

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KP_T [%/°K]

TN_T [s]

DEAD [∆ °K]

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Type 8611

Maintenance, Troubleshooting

14. MAINTENANCE, TROUBLESHOOTING

The process controller Type 8611 is maintenance-free when operated according to the instructions in this manual.

14.1. Malfunctions

The table below contains the possible error messages with cause and remedial action.

Error Display / action Cause Remedial action

ERR1

ERR2

ERR3

ERR4

ERR5

ERR6

ERR7

Table 38: Error messages

ERR1 is displayed and red LED is

lit. The process actual value is still displayed. Binary output B_O1 is activated.

The control remains active.

ERR2 is displayed and red LED is lit. The process actual value is still displayed. Binary output B_O1 is activated.

The control remains active.

ERR3 is displayed and red LED is lit. The process actual value is still displayed. Binary output B_O2 is activated.

The control remains active.

ERR4 is displayed and red LED is lit. The process actual value is still displayed. Binary output B_O2 is activated.

The control remains active.

Display ERR5 control is deactivated and valve closes.

Display ERR6 control is deactivated and valve closes.

Display ERR7 control is deactivated and valve closes.

The process value displayed by the monitoring window is exceeded or not reached relatively to the set-point value (see menu function B_O1 / LIMT / REL, chapter 12.15).

The process value displayed by the monitoring window is exceeded or not reached absolutely to the fixed process value limit (see menu function B_O1 / LIMT / ABS, chapter 12.15).

The process value displayed by the monitoring window is exceeded or not reached relatively to the set-point value (see menu function B_O2 / LIMT / REL, chapter 12.16).

The process value displayed by the monitoring window is exceeded or not reached absolutely to the fixed process value limit (see menu function B_O2 / LIMT / ABS, chapter 12.16).

Sensor input signal of process actual value < 2 mA.

Set-point value input signal < 2 mA.

No temperature sensor (PT100) connected.

For description see chapter “12.15.4. Error messages for B_O1 and B_O2”

Check sensor or cables. Acknowledge with ENTER key.

Check Pt 100 resistance thermometer. Acknowledge with ENTER key.

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Type 8611

Packaging and Transport

15. PACKAGING AND TRANSPORT

NOTE!

Transport damages!

Inadequately protected equipment may be damaged during transport.

• During transportation protect the device against moisture and dirt in shock-resistant packaging.

• Do not allow the temperature to exceed or drop below the permitted storage temperature.

16. STORAGE

NOTE!

Incorrect storage may damage the device.

• Store the device in a dry and dust-free location!

• Storage temperature: 0 – +70 °C.

17. DISPOSAL

→ Dispose of the device and packaging in an environmentally friendly manner.

NOTE!

Damage to the environment caused by device components contaminated with media.

• Observe applicable disposal regulations and environmental regulations.

Observe national waste disposal regulations.

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Type 8611

100

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Burkert 8611 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

1. OPERATING INSTRUCTIONS

1.1. Symbols

2. AUTHORIZED USE

2.1. Restrictions

2.2. Predictable Misuse

3. BASIC SAFETY INSTRUCTIONS

4. GENERAL INFORMATION

4.1. Contact Addresses

4.2. Warranty

4.3. Information on the Internet

5. SYSTEM DESCRIPTION

5.1. General Description

5.2. Functions

5.3. The various mounting and installation models

5.4. Software

6. TECHNICAL DATA

6.1. Operating Conditions

6.2. Conformity with the following standards

6.3. General Technical Data

6.4. Rating plate description

6.5. Electrical Data

7. ASSEMBLY

7.1. Assembly models

7.2. Attachment to a proportional valve

7.3. Assembly of the control cabinet model

8. ELECTRICAL INSTALLATION

8.2. Electrical installation of the control cabinet model

9. OPERATION AND FUNCTION

9.1. Control and display elements

9.2. Operating levels and operating states

9.3. Function of the keys

10. OPERATING STRUCTURE

10.1. Operating structure of the process operating level in MANUAL operating state

10.2. Operating structure of the configuration level

Functions of the Process Operating Level

11.1. Operating state AUTOMATIC

11.2. Operating state MANUAL

11.3. Specific menu options of process and ratio control

11.4. Menu options in the MANUAL operating state

11.5. SET - Set-point value default for process control

11.6. RFAC - Ratio factor default for ratio control

Functions of the Configuration Level

12.1. General Description

12.2. Menu options of the configuration level

Table 24: Calibration of the assembly models: Wall, rail, valve or fitting assembly

12.10. Calibration of the control cabinet model

12.13. PARA - Adjusting the controller parameters

12.18. CODE - Code protection

12.19. DSPL - Setting the display

12.20. FACT - Reset to Factory Settings

13. OVERVIEW SETTING PARAMETERS

14. MAINTENANCE, TROUBLESHOOTING

14.1. Malfunctions

15. PACKAGING AND TRANSPORT

16. STORAGE

17. DISPOSAL