2. AUTHORIZED USE .............................................................................................................................................................................7
4. GENERAL INFORMATION ................................................................................................................................................................9
4.3. Information on the Internet ............................................................................................................................................9
5. SYSTEM DESCRIPTION ................................................................................................................................................................10
5.1. General Description ........................................................................................................................................................10
6. TECHNICAL DATA .............................................................................................................................................................................12
6.2. Conformity with the following standards ............................................................................................................12
6.3. General Technical Data .................................................................................................................................................12
6.5. Electrical Data ....................................................................................................................................................................14
7.2. Attachment to a proportional valve ........................................................................................................................17
7.3. Assembly of the control cabinet model ...............................................................................................................18
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
10.1. 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
4
12.6. S_IN - Scaling of sensor input signal
english
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
12.19. 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
15. PACKAGING AND TRANSPORT ...............................................................................................................................................99
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.
6
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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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7
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!
8
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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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9
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
+
_
X
Manipulated
variable MV
Feedback process actual value (PV)
Controlled system
Actuating
element
SensorProcess
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
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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11
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
2
max. cross section,
12
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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
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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15
Type 8611
Assembly
7. ASSEMBLY
7.1. Assembly models
Attachment to a Bürkert flow-rate fittingAttachment to a proportional valve
Bürkert
flow-rate fitting
Type SO30
Installation in a control cabinetWall 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
ModelAccessoriesOrder no.
Installation in pipelineFlow-rate fitting, Type S030See data sheet S030
Rail assemblyAdapter for rail assembly655980
Wall assemblyAdapter for wall assembly427098
The adapters for the wall and rail assembly are included in the scope of supply of the assembly model.
16
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
17
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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
66
44.5
2976
Control panel cut-out for the installation
R 3
45
18
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.
Recommended line cross sections for the control cabinet model:
Cross section
min.
Cross section
max.
Minimum length
Cross section for flexible lines0.2 mm²1.5 mm²10 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
0.25 mm²
1.5 mm²10 mm
0.75 mm²10 mm
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19
5
2
4
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
ConnectorConnector viewConfiguration
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,
6
7
1
1
4
2
8
4
3
12
process actual value or position set-point output 4 - 20 mA / 0 - 10 V,
binary input,
3
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
31
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
20
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5
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
6
7
1
8
PinColorConfiguration
1white24 V DC power supply
4
2 (DIN2)brownBinary input (B_IN)
3
3greenGND – Power supply, binary input, binary output
2
4 (AOUT)yellow4 - 20 mA or 0 - 10 V analog output
(process value or manipulated variable for valve)
5 (AIN2)grey4 - 20 mA or 0 - 10 V analog input (set-point value / ratio)
6pinkGND – Analog output
7blueGND – 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)
(+) External set-point value / ratio
4 - 20 mA / 0 - 10 V
14
(21
15
(1, 11, or 23
16RS485_COM16
17RS485_A (+)17
18RS485_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
25
english
Terminal block 3
TerminalConfigurationExternal circuit
Type 8611
Electrical Installation
19GND – Pt 100, RTD
20
(AIN3)
(+) Pt 100, RTD (power supply)
19
20
21GND – Analog input21
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
23GND – Sensor, actuating element23GND
24
25
Supply of
Type 8611
(DIN3)
25
External
supply
(DIN3)
24 V DC sensor supply or
actuating element
Frequency input 2
(NPN or PNP)
for ratio control
Q
2
(MODE = RATI)
Frequency input 2
(NPN or PNP)
for ratio control
Q
2
(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
11 or 23
25
25
(0 ... 200 °C)
Supply of 8611
24 V DC
GND
Clock
GND
Clock
Transmitter
External supply
Supply
Transmitter
GND
26
(+) Binary input
(DIN2)
27
Supply of
Type 8611
(DIN1)
27
External
supply
(DIN1)
Table 11: Configuration of terminal block 3
Frequency input 1
(NPN or PNP)
Actual value flow-rate /
for ratio control
Q
1
(MODE = RATI)
Frequency input 1
(NPN or PNP)
Actual value flow-rate /
for ratio control
Q
1
(MODE = RATI)
1, 11, or 23
Jumper 1
NPN
PNP
Jumper 1
NPN
PNP
26
12 or 24
11 or 23
27
11 or 23
27
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
26
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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
leftright
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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27
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
O
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
O
0..... 9
u
t
MODE
UNIT
END
.
.
.
.
28
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
29
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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)
30
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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