Burkert 3360 User manual

Operating Instructions
Type 3360, 3361,
AE3360, AE3361
Electromotive control valve

We reserve the right to make technical changes without notice.
Technische Änderungen vorbehalten.
Sous réserve de modifications techniques.
© Bürkert Werke GmbH & Co. KG, 2016 – 2021
Operating Instructions 2101/05_EUen_00810490 / Original DE

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Content
1 OPERATING INSTRUCTIONS ........................................................................................................................................................8
1.1 Symbols ......................................................................................................................................................................................8
1.2 Definition of terms .................................................................................................................................................................9
2 INTENDED USE .................................................................................................................................................................................10
3 BASIC SAFETY INSTRUCTIONS ..............................................................................................................................................11
4 GENERAL NOTES .............................................................................................................................................................................13
4.1 Contact address ..................................................................................................................................................................13
4.2 Warranty ...................................................................................................................................................................................13
4.3 Information on the Internet ............................................................................................................................................13
5 PRODUCT DESCRIPTION ............................................................................................................................................................14
5.1 General description ...........................................................................................................................................................14
5.2 Properties ..............................................................................................................................................................................14
5.3 Variants .....................................................................................................................................................................................15
6 STRUCTURE AND FUNCTION ...................................................................................................................................................17
6.1 Representation – Structure of the electromotive control valve.................................................................18
6.2 Valve position after supply voltage failure ............................................................................................................19
6.3 Safety position ......................................................................................................................................................................19
6.4 Display of the device status ........................................................................................................................................20
6.5 Factory settings ..................................................................................................................................................................22
7 CONTROL ELECTRONICS ...........................................................................................................................................................23
7.1 Functional diagram of the electromotive control valve ..................................................................................24
7.2 Functionality of the control electronics .................................................................................................................25
7.3 Energy storage SAFEPOS energy-pack (option) ...............................................................................................28
8 TECHNICAL DATA .............................................................................................................................................................................29
8.1 Conformity ..............................................................................................................................................................................29
8.2 Standards ................................................................................................................................................................................29
Electromotive control valve
Types 3360 and 3361
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Types 3360 and 3361
8.3 Approvals ................................................................................................................................................................................29
8.4 Type label ................................................................................................................................................................................30
8.5 Operating conditions ........................................................................................................................................................31
8.6 General technical data .....................................................................................................................................................34
8.7 Electrical data .......................................................................................................................................................................34
8.8 Flow rate values and flow rate characteristics for angle seat control valve (Type 3360) ............37
8.9 Flow rate values and flow rate characteristics for globe control valve (Type 3361) ......................40
9 INSTALLING THE VALVE ...............................................................................................................................................................43
9.1 Safety instructions .............................................................................................................................................................43
9.2 Installation of devices with threaded connection, flange connection or clamp connection ......43
9.3 Installation of devices with welded connections ...............................................................................................45
9.4 Disassembly of the actuator from the valve body ............................................................................................46
9.5 Installing actuator on valve body ................................................................................................................................49
9.6 Rotating the actuator ........................................................................................................................................................51
9.7 Holding device ......................................................................................................................................................................52
10 ELECTRICAL INSTALLATION ......................................................................................................................................................53
10.1 Electrical installation with circular plug-in connector .....................................................................................53
10.2 Electrical connection büS/CANopen .......................................................................................................................56
10.3 Electrical connection Fieldbus gateway .................................................................................................................57
10.4 Electrical installation with cable gland ....................................................................................................................58
11 START-UP .............................................................................................................................................................................................65
11.1 Safety instructions .............................................................................................................................................................65
11.2 Before start-up .....................................................................................................................................................................65
11.3 Configuration options for start-up .............................................................................................................................65
11.4 Base settings ........................................................................................................................................................................65
11.5 Set safety position .............................................................................................................................................................67
11.6 Adjustment of position controller – execute X.TUNE .....................................................................................68
11.7 Set standard signal for set-point position .............................................................................................................70
11.8 Select physical unit for process control .................................................................................................................71
11.9 Configure process values ..............................................................................................................................................72
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Types 3360 and 3361
11.10 Scaling the process control ..........................................................................................................................................73
11.11 Set dead band for process control ...........................................................................................................................74
11.12 Setting up process control and executing P.LIN, P.TUNE .............................................................................75
11.13 Set AUTOMATIC operating state ................................................................................................................................77
12 OPERATION .........................................................................................................................................................................................78
12.1 Overview: Availability of the operating elements ..............................................................................................78
12.2 Display elements ...................................................................................................................................................................................79
12.3 Operating elements ...........................................................................................................................................................81
12.4 büS service interface ........................................................................................................................................................82
12.5 SIM card – acquire and save data (option) ..........................................................................................................................83
13 DISPLAY OPERATION (OPTION) ..............................................................................................................................................84
13.1 User interface .......................................................................................................................................................................84
13.2 Description of buttons ......................................................................................................................................................84
13.3 Display views .........................................................................................................................................................................85
13.4 Description of symbols ....................................................................................................................................................89
13.5 Access rights and password protection .................................................................................................................91
13.6 Screen saver ..........................................................................................................................................................................93
14 BASIC FUNCTIONS .........................................................................................................................................................................94
14.1 Changing the operating state, AUTOMATIC, MANUAL ...................................................................................94
14.2 Enable – disable sealing function ..............................................................................................................................97
14.3 Enabling – disabling correction characteristic ...................................................................................................99
14.4 Change effective direction ..........................................................................................................................................102
14.5 Disabling process control ...........................................................................................................................................104
15 MANUAL OVERRIDE OF VALVE ............................................................................................................................................. 105
15.1 Electrical override of valve on devices without a display module ........................................................ 105
15.2 Electrical override of valve on devices with a display module................................................................107
15.3 Electrically actuating the valve using the Bürkert Communicator or display ................................. 108
15.4 Actuating the valve mechanically ............................................................................................................................109
16 ADVANCED FUNCTIONS ...........................................................................................................................................................114
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Types 3360 and 3361
17 OPERATING STRUCTURE AND FACTORY SETTING ................................................................................................. 115
17.1 Operating structure of the configuration area ................................................................................................. 115
17.2 Context menu for operation on display ...............................................................................................................133
18 INDUSTRIAL ETHERNET ........................................................................................................................................................... 135
18.1 Fieldbus gateway description ...................................................................................................................................135
18.2 Technical data Industrial Ethernet ..........................................................................................................................137
18.3 Projecting via fieldbus ...................................................................................................................................................138
18.4 Web server ...........................................................................................................................................................................140
18.5 Advanced functionalities .............................................................................................................................................. 142
19 CANopen ............................................................................................................................................................................................144
19.1 Projecting via fieldbus ...................................................................................................................................................144
19.2 CANopen network configuration .............................................................................................................................144
20 büS ........................................................................................................................................................................................................ 145
20.1 Cabling of büS networks .............................................................................................................................................145
20.2 Configuration of büS networks ................................................................................................................................145
21 MAINTENANCE ............................................................................................................................................................................... 146
21.1 Safety instructions .......................................................................................................................................................... 146
21.2 Actuator .................................................................................................................................................................................146
21.3 Wearing parts of the valve .......................................................................................................................................... 146
21.4 Visual inspection ..............................................................................................................................................................147
21.5 Maintenance notifications ........................................................................................................................................... 147
22 TROUBLESHOOTING AND MESSAGES ........................................................................................................................... 148
22.1 Error notifications ............................................................................................................................................................148
22.2 Notifications on device status “Out of specification” ................................................................................... 150
22.3 Notifications on device status “Function check”............................................................................................. 151
23 CLEANING ......................................................................................................................................................................................... 151
24 ACCESSORIES, REPLACEMENT PARTS ..........................................................................................................................152
24.1 Communication software ............................................................................................................................................ 153
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Types 3360 and 3361
24.2 Spare parts .......................................................................................................................................................................... 154
24.3 Assembly tools .................................................................................................................................................................. 157
25 DISASSEMBLY ................................................................................................................................................................................ 158
25.1 Safety instructions .......................................................................................................................................................... 158
26 PACKAGING AND TRANSPORT ............................................................................................................................................ 159
27 STORAGE ........................................................................................................................................................................................... 159
28 DISPOSAL ......................................................................................................................................................................................... 159
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Operating instructions
Types 3360 and 3361
1 OPERATING INSTRUCTIONS
The operating instructions describe the entire life cycle of the device. Keep these instructions in an easily accessible
location for every user. The instructions must be available to each new owner of the device.
Important safety information!
Carefully read through the operating instructions. Study in particular the chapters entitled Basic safety instruc-
tions and Intended use.
▶The operating instructions must be read and understood.
1.1 Symbols
DANGER!
Warns of an immediate danger!
▶Failure to observe these instructions will result in death or serious injuries.
WARNING!
Warns of a potentially hazardous situation!
▶Failure to observe these instructions may result in serious injuries or death.
CAUTION!
Warns of a potential danger!
▶Failure to observe these instructions may result in moderate or minor injuries.
NOTE!
Warns of damage!
• 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 instructions to avoid danger.
→Designates a procedure that you must carry out.
Designates a result.
MENU Symbol for software interface texts.
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Operating instructions
Types 3360 and 3361
1.2 Definition of terms
• Device: The term “Device” used in these instructions applies to the types described in these instructions:
Type 3360, electromotive angle seat control valve
Type 3361, electromotive globe control valve
• Ex: The abbreviation “Ex” used in these instructions stands for “potentially explosive”.
• The term “büS” (Bürkert system büS) used in this manual stands for the communication büS developed by
Bürkert, based on the CANopen protocol.
• In these instructions, the unit bar stands for relative pressure. The absolute pressure is stated separately in
bar(abs).
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Intended use
Types 3360 and 3361
2 INTENDED USE
Improper use of the electromotive Type 3360 and 3361 control valve may be dangerous for people,
nearby equipment and the environment.
The electromotive control valve is designed to control the flow of liquid and gaseous media.
▶Standard devices must not be used in the potentially explosive area. They do not possess the separate “Ex”
type label denoting the approval for use in potentially explosive environments.
▶The use of alkaline cleaning agents is not permitted for cleaning the surface of the device.
▶If the position of the valve has a bearing on safety concerns in the event of a power failure: Only use devices
that have a SAFEPOS energy-pack (optional energy pack).
▶When using the device, observe the authorised data, operating conditions and deployment conditions speci-
fied in the contract documents and in the operating instructions.
▶Protect device from harmful environmental influences! (e.g. radiation, air humidity, fumes, etc.) For any matters
requiring clarification, contact the relevant sales department.
Use the device
▶Use only in conjunction with third-party devices and components recommended or approved by Bürkert.
▶only when in perfect condition and always ensure proper storage, transportation, installation and operation.
▶only as intended.
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Basic safety instructions
Types 3360 and 3361
3 BASIC SAFETY INSTRUCTIONS
These safety instructions do not take into account any unforeseen circumstances and events which occur during
installation, operation and maintenance. The operator is responsible for observing the location-specific safety regu-
lations, also with reference to personnel.
Risk of injury from high pressure.
▶Before working on the system or device, switch off the pressure and vent or empty the lines.
Danger of burns and risk of fire.
Following an extended duty cycle or as a result of a hot medium, the surface of the device may become hot.
▶Only touch the device when wearing protective gloves.
▶Keep the device away from highly flammable substances and media.
Danger due to loud noises.
▶Depending on the usage conditions, the device may generate loud noises. Detailed information on the probability of
loud noises is available from the respective sales department.
▶Wear hearing protection when in the vicinity of the device.
Discharge of medium if packing gland worn.
▶Relief bore must be regularly inspected for any medium leakages.
▶If medium is leaking from the relief bore, the packing gland must be replaced (see chapter “Maintenance”).
▶If the medium is hazardous, secure the area around the leakage to prevent risks.
Risk of crushing by mechanically powered parts.
▶Installation work on the control cone, diaphragm and valve body must only be performed while electrically isolated.
For devices with SAFEPOS energy-packs: Ensure that the SAFEPOS energy-pack is fully discharged. Wait until
the LED ring is no longer lit and ensure that the LED status is not in “LED off” mode.
▶Do not reach into the openings of the valve body.
Risk of uncontrolled process in the event of a power failure.
For devices without the optional SAFEPOS energy-pack, the valve will not stop in a defined position in the event of a
power failure.
▶If the position of the valve has a bearing on safety concerns in the event of a power failure: Only use devices
that have a SAFEPOS energy-pack (optional energy pack).
▶Select a valve position that is safe in respect of the process in the SAFEPOS menu.
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Basic safety instructions
Types 3360 and 3361
General hazardous situations.
To prevent injury, ensure that:
▶In potentially explosive environments the device must only be used in accordance with the specifications on
the separate type label.
▶The additional information and safety instructions relating to potentially explosive atmospheres enclosed with
the device or the separate operating instructions relating to potentially explosive atmospheres must be hee-
ded when using the device.
▶In potentially explosive atmospheres, only use devices with a separate type label for use in such atmospheres.
▶Feed only those media listed in chapter “8 Technical data” into the medium ports.
▶Do not make any internal or external changes to the device and do not subject it to mechanical stress.
▶Transport, install and dismantle a heavy device only with the aid of a second person and using suitable equipment.
▶Secure the device against unintentional activation.
▶Only trained technicians carry out installation and maintenance work.
▶Following an interruption in the power supply, ensure that the process is restarted in a controlled manner.
Observe the sequence.
1. Connect supply voltage.
2. Charge the device with medium.
▶Observe general engineering standards & rules.
▶The valves must be installed according to the regulations applicable in the country of use.
NOTE!
Electrostatically sensitive components and assemblies.
The device contains electronic components that are susceptible to the effects of electrostatic discharging (ESD).
Components that come into contact with electrostatically charged persons or objects are at risk. In the worst-case
scenario, they will be destroyed immediately or will fail after start-up.
• Observe the requirements for minimizing or avoiding the possibility of damage caused by sudden electrostatic
discharge in accordance with EN 61340-5-1.
• Do not touch electronic components when the supply voltage is connected.
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General notes
Types 3360 and 3361
4 GENERAL NOTES
4.1 Contact address
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: [email protected]
International
The contact addresses can be found on the back pages of the printed operating instructions.
Also on the Internet at:
country.burkert.com
4.2 Warranty
A precondition for the warranty is that the device is used as intended and that the specified usage conditions are
taken into account.
4.3 Information on the Internet
Operating instructions and data sheets for Types 3360 and 3361 can be found on the Internet at:
country.burkert.com
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Product description
Types 3360 and 3361
5 PRODUCT DESCRIPTION
5.1 General description
The electromotive control valve Type 3360 and 3361 is suitable for controlling the flow of liquid and gaseous media.
This may be neutral gas, water, alcohol, oil, fuel, hydraulic fluid, salt solution, caustic soda, organic solvent or vapour.
The control valve has an electromotive linear actuator with actuation electronics assembly. The actuation electronics
assembly for position control or process control is actuated either via standard signals (analogue) or a fieldbus
(digital). The electromotive linear actuator is set up such that it is optimally effective. At the same time, when idling
without power, it also keeps the valve sealed and in position even under the maximum specified operating pressure.
The device can also be equipped with the energy storage system (SAFEPOS energy-pack). In the event of a supply
voltage failure, the energy storage system supplies the actuator with the energy required to move the valve to the
position defined in the SAFEPOS menu.
The valve position can be manually changed in two ways.
1. Electrical manual override: used if supply voltage is present.
2. Mechanical manual override: must only be used if there is no supply voltage present.
The device can be set and operated either with 2 buttons and 4 DIP switches, or on a display with buttons for
touch operation. It is also always possible to set the device with the büS service interface and by using the software
Bürkert Communicator. The USB büS interface set, available as an accessory, is required for configuration with
Bürkert Communicator.
One special characteristic of the Type 3361 globe control valve is the screwed-in valve seat, which can be replaced
to reduce the seat size.
5.2 Properties
• High seal tightness due to self-adjusting packing gland.
• Devices with PTFE seal material are kept sealed without power.
• High flow rate values due to the stainless steel valve body that aids in flow.
• External, directly accessible display with buttons for touch operation.
• Mechanical position indicator shows the valve position even in the event of a supply voltage failure.
• 360° LED light ring for displaying device states, valve end positions and operating state.
• No electrical energy is required to hold the valve position even under maximum operating pressure, except for
basic consumption for the control unit.
• Easy and quick replacement of the control cone.
• Valve actuator can rotate 360°.
• Integrated control unit for position control or process control.
• Contact-free, high-resolution and wear-free position sensor.
• The actuator housing consists of a robust and heat-dissipating aluminium body. The coating is resistant to
common detergents. The plastics used for the actuator housing are also detergent-resistant.
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Product description
Types 3360 and 3361
5.2.1 Special characteristics of the 2-way globe control valve
(Type 3361):
• Simple and quick replacement of the screwed-in valve seat.
• Large expansion space above the valve seat that prevents body erosion caused by cavitation.
• Optimal valve selection for the application.
By default, 3 variants with different Kv values are available for each DN
(5 variants of different Kv values for DN ½").
5.3 Variants
The following variants are described in these instructions:
Type 3360:
• Electromotive angle seat control valve with position control function
• Electromotive angle seat control valve with process control function
Type 3361:
• Electromotive globe control valve with position control function
• Electromotive globe control valve with process control function
5.3.1 Variants (valve sizes and actuator sizes)
Angle seat control valve Type 3360:
Available actuator size in nominal force [N]
DN connection (valve
body) Seat size valve
[DN] [NPS] 15 20 25 32 40 50
15 1/2 1300 - - - - -
20 3/4 - 1300 - - - -
25 1 - - 1300 - - -
32 1 1/4 - - - 1300, 2500 - -
40 1 1/2 - - - - 1300, 2500 -
50 2 - - - - - 1300, 2500
Table 1: Angle seat control valve, Type 3360
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Product description
Types 3360 and 3361
Globe control valve Type 3361:
Available actuator size in nominal force [N]
DN connection (valve
body) Seat size valve
[DN] [NPS] 3 4 6 8 10 15 20 25 32 40 50
10 3/8 1300 1300 1300 1300 1300 - - - - - -
15 1/2 1300 1300 1300 1300 1300 1300 - - - - -
20 3/4 - - - 1300 1300 1300 - - - -
25 1 - - - - 1300 1300 1300 - - -
32 1 1/4 - - - - - 1300 1300 1300,
2500 - -
40 1 1/2 - - - - - - 1300 1300,
2500
1300,
2500 -
50 2 -------1300,
2500
1300,
2500
1300,
2500
Table 2: Globe control valve variants, Type 3361
5.3.2 Options
• Energy storage system (SAFEPOS energy-pack) for reaching safety position.
The safety position that the valve is supposed to take in the event of a supply voltage failure is specified in the
SAFEPOS menu.
• Various fieldbus systems for transmitting the control parameters.
• Display module, operated via touchscreen.
• SIM card for saving and transmitting device-specific values and settings.
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Structure and function
Types 3360 and 3361
6 STRUCTURE AND FUNCTION
The electromotive control valve consists of an electromotive linear actuator, a control cone and a 2-way globe valve
body or a 2-way angle seat valve body.
The control electronics and “SAFEPOS energy-pack” are housed in the side of the linear actuator.
The control electronics consist of the microprocessor-controlled electronic mechanism and the position sensor.
The actuation electronics assembly for position control or process control is actuated either via standard signals
(analogue) or a fieldbus (digital).
Standard devices are operated with 2 buttons and 4 DIP switches, while devices with a display module can be
display-operated.
The electromotive linear actuator consists of a brushless direct current motor, a gear and a threaded spindle. The
valve spindle connected to the threaded spindle transfers the force to the control cone.
• The linear actuator does not use any electrical energy when holding the valve position. This means that, when
idling, only the control electronics require energy.
• The stainless steel valve body aids in flow and facilitates high flow rates.
• The self-adjusting packing gland guarantees a high degree of tightness.
• The control cone is connected to the actuator spindle via a spring-type straight pin, and can thus be quickly
replaced.
• The actuator housing consists of a robust and heat-dissipating aluminium body with a detergent-resistant
coating. The plastics used are also detergent-resistant.
• The flow direction is always below the valve seat.
Valve seat:
• For a globe control valve, the valve seat is screwed-in.
The seat size can easily be reduced by exchanging the screwed-in valve seat.
• For an angle seat control valve, the valve seat is integrated in the valve body. This means the seat size cannot
be reduced.
The valve seat is always closed against the medium flow. The flow direction must thus be such that the flow
reaches the valve below the seat.
Globe control valve Type 3361Angle seat control valve Type 3360
Flow direction
Valve seat Valve seat
Flow direction
1 2
Marking on the
housing 1 2
Marking on the
housing
Image 1: Flow direction below seat, flow direction
Fluidic connections:
• The threaded socket connection, welded connection or clamp connection are available for all valve bodies.
• The valve body with flange connection is also available for globe control valve Type 3361.
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Structure and function
Types 3360 and 3361
6.1 Representation – Structure of the electromotive
control valve
Electrical connectors (cir-
cular plug-in connector or
cable gland)
Only for devices with
process control function
Blind cover or display with
device status indicator and bayonet
catch
Actuator housing
Actuator cover
Transparent window with position
indicator
Body connection (with wrench flat)
Digits for indicating the
flow direction
Port connection
Angle seat valve body
Actuator base
Relief bore
FE Functional earth
Pressure component element
Do not unscrew!
Image 2: Assembly, electromotive angle seat control valve Type 3360
Blind cover or display with
device status indicator and bayonet
catch
Actuator housing
Actuator cover
Transparent window with position
indicator
Body connection (with wrench flat)
Digits for indicating
the flow direction
Port connection
Globe valve body
Actuator base
Relief bore
FE Functional earth
Pressure component element
Do not unscrew!
Electrical connectors (cir-
cular plug-in connector or
cable gland)
Only for devices with
process control function
Image 3: Assembly, electromotive globe control valve Type 3361
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Structure and function
Types 3360 and 3361
6.2 Valve position after supply voltage failure
Valve position for devices without the SAFEPOS energy-pack energy storage:
If the electromotive actuator idles upon a supply voltage failure, the valve remains in the last position that it was in.
If the supply voltage fails while the actuator is changing the valve position, the valve remains in an undefined position.
The flywheel mass of the actuator and the operating pressure continue to influence the valve spindle until it finally idles.
Valve position for devices with the SAFEPOS energy-pack energy storage:
The valve assumes the safety position defined in the SAFEPOS menu.
For a description of the SAFEPOS energy-pack energy storage system, see chapter “7.3 Energy storage
SAFEPOS energy-pack (option)” on page 28
6.3 Safety position
The safety position that the valve assumes in the following scenarios is defined in the SAFEPOS menu:
• Internal error
• Cable break if parameterised accordingly
• Digital input if parameterised accordingly
• Supply voltage failure (optional)
This function is only available in devices that have the optional SAFEPOS energy-pack energy storage
accessory.
The following safety positions are available to choose from in the SAFEPOS menu:
• Close = valve closed
• Open = valve opened
• User-Defined = freely defined safety position input by a per cent value
(0% = closed, 100% = open).
• Inactive = valve remains in an undefined position in the event of a supply voltage failure.
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Structure and function
Types 3360 and 3361
6.4 Display of the device status
The device status is displayed on the LED light ring. Various LED modes may be configured to display the
device’s status and valve position:
• Valve mode
• Valve mode + warnings (factory pre-set)
• NAMUR operation mode
* The description for setting the LED mode can be found in chapter “12.2.2 Set LED operation mode”
on page 80.
6.4.1 Valve mode
The valve position and device status “Failure” are displayed in the valve mode.
Notifications on device statuses “Out of specification”, “Maintenance required” and “Function check” are
not displayed in the valve mode.
The factory-set colours for displaying the valve positions “open” and “closed” can be switched. The
described can be found in the software description for Types 3360, 3361 on our homepage country.
burkert.com
Displays in valve mode:
If device status “Normal”: Continuously lit in the colour of the valve position.
For device status “Failure”: Alternating flashing between red and the valve position colour.
Valve position Colour for valve position Colour for device status “Failure”
open yellow red
in between white
closed green
Table 3: Display of device status in valve mode
6.4.2 Valve mode + warnings
In this operation mode, the valve position and device statuses “Failure”, “Out of specification”, “Maintenance
required” and “Function check” are displayed.
If several device statuses exist simultaneously, the device status with the highest priority is displayed. The priority is
based on the severity of the deviation from standard operation (red = failure = highest priority).
Displays in valve mode + warnings:
For device status “Normal”: Continuously lit in the colour of the valve position.
If device status is not “Normal”: Flashes alternately with the colours for the valve position and the device status.
Valve position Colour for valve
position
Colour for device status
Failure, error or
fault
Function check Outside of
specification
Maintenance
required
open yellow red orange yellow Blue
in between white
closed green
Table 4: Display of device status in valve mode + warnings
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