Burkert 8605 Operating Instructions Manual
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Burkert 8605 Operating Instructions Manual

Digital control electronics for proportional valves
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Type 8605
Digital Control Electronics for Proportional Valves
Operating Instructions

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Summary of Contents for Burkert 8605

  • Page 1 Type 8605 Digital Control Electronics for Proportional Valves Operating Instructions...
  • Page 2 We reserve the right to make technical changes without notice. Technische Änderungen vorbehalten. Sous réserve de modifications techniques. © Bürkert Werke GmbH & Co. KG, 2007 - 2020 Operating Instructions 2001/06_EU-EN_00805613 / Original DE...

  • Page 3: Table Of Contents

    4.3. information on the internet ...............................8 prODuct DescriptiOn ................................9 5.1. field of application ................................9 5.2. general Description ................................9 5.3. form of the Device ................................9 5.3.1. Type 8605 Cable plug version ....................... 9 5.3.2. Type 8605 DIN rail version ........................10 technical Data .....................................11 6.1. Operating conditions ................................11 cOnfiguratiOn anD functiOn ............................12 7.1. Operating and Display elements ..........................12 7.1.1.
  • Page 4 Type 8605  8.2.1. Cable plug version ..........................16 8.2.2. DIN rail version ............................18 cOnfiguratiOn .....................................20 9.1. Operating modes ................................20 9.2. Basic settings ..................................20 9.3. menu of the configuration mode ..........................21 9.3.1. InP (Input) - Selection of the input signal ..................22 9.3.2. Out (Output) - Valve settings .......................22 9.3.3. VAdJ (Valve adjust) - Fine tuning of the valve frequency ...............25 9.3.4.

  • Page 5: Operating Instructions

    Designates additional significant information, tips and recommendations. Refers to information in these operating instructions or in other documentation. → designates a procedure which you must carry out. 1.2. Definition of Term “Device” The term “device” used in these instructions always stands for the electromagnetic positioner type 8605. english...

  • Page 6: Intended Use

    • To ensure that the device functions perfectly, set the PWM frequency which is suitable for the valve. A table of set values can be found on the Bürkert homepage www.burkert.com → Type 8605. • Use according to the authorized data, operating conditions and conditions of use specified in the contract documents and operating instructions.

  • Page 7: Basic Safety Instructions

    • Do not touch live electronic components! The Type 8605 was developed with due consideration given to the accepted safety rules and are state-of- the-art. Nevertheless, dangerous situations may occur. Failure to observe this operating manual and its operating instructions as well as unauthorized tampering...

  • Page 8: General Information

    4.2. Warranty The warranty is only valid if the device is used as authorized in accordance with the specified application conditions. 4.3. information on the internet Operating instructions and data sheet for Type 8605 can be found on the Internet at: www.burkert.com english...

  • Page 9: Product Description

    The Digital Control Electronics for Proportional Valves, Type 8605 (hereinafter referred to as Control Electronics, Type 8605) controls all Bürkert proportional valves with a max. current in the range from 40 to 2000 mA. It transforms an external standard signal into a pulse-width modulated voltage signal (PWM) that is supplied to the solenoid coil of the proportional valve.

  • Page 10: Type 8605 Din Rail Version

    2873, 2875 6022, 6023, 6024, 6223. The operating unit can be removed after the setting process. During operation of the Control Electronics 8605 in cable plug version without operating unit, the operating status is indicated by two LED’s. Device variants: • Variant 1 for valves with a max. current from 200 to 1000 mA •...

  • Page 11: Technical Data

    Technical DaTa 6.1. Operating conditions Warning! the type 8605 is not designed for use outdoors! • Do not use the Type 8605 outdoors and avoid heat sources which may result in the permitted temperature range to be exceeded. Power supply 12...24V DC ± 10% Residual ripple 5 % Power consumption ca.

  • Page 12: Configuration And Function

    Type 8605 ConfigurationandFunction cOnfiguraTiOn anD funcTiOn 7.1. Operating and Display elements 7.1.1. Operating unit The operating unit consists of a LCD and keys. It is used for displays and settings of the Control Electronics, Type 8605. Setpoint = Setpoint (of the coil current) = active = not active...

  • Page 13: Led's During Operation Without Operating Unit

    (PWM) that is supplied to the solenoid coil of the proportional valve (see “Figure 5: Basic function of the Control Electronics, Type 8605”). A given value of the average coil current is thereby assigned to each value of the input signal.

  • Page 14: Adjustment To The Valve And Application Data

    Type 8605 ConfigurationandFunction Due to the inductivity of the coil, the rectangular time curve of the PWM voltage signals is not transformed into a corresponding current curve; instead the coil current has a sawtooth like „rounded“ time curve (see “Figure 6: Time response of PWM voltage signal and coil current”).
  • Page 15 If digital communication with a higher-level controller is required, the “büS version for proportional valves” must be used. This is available separately (always without control unit!) and cannot be retrofitted with an existing standard digital control for Type 8605 Proportional Valves (see “11.1. Ordering charts: Device variants”). english...

  • Page 16: Installation

    • Observe applicable accident prevention and safety regulations for electrical equipment! 8.2.1. cable plug version The electrical connection of the Controller Type 8605 in cable plug version is made via a 4-pin terminal strip inside the device. Cable: • Diameter 6 ... 8 mm •...
  • Page 17 Type 8605 Installation Standard signal (+) Standard signal (-) 12...24 V DC Figure 9: Terminal strip connection 12 . 24 V DC Standard signal (+) Standard signal (-) Figure 10: Plug connector connection noTE! Ensure proper seating of the valve when screwing onto the valve (cable plug version) Do not tighten the screw M3 too tightly (max.

  • Page 18: Din Rail Version

    Tighten screw M3 to max. 0.3 Nm Figure 11: Installation of the cable plug version on the valve 8.2.2. Din rail version The electrical connection of the Controller Type 8605 in DIN rail version is made via terminal strips. terminal strip cable cross-section 2-pin for valve max.
  • Page 19 Type 8605 Installation Figure 12: Terminal strip connection Legend: 1. 12...24 V DC 2. GND 3. Standard signal (-) 4. Standard signal (+) 5. Valve 6. Valve english...

  • Page 20: Configuration

    Carry out the fluidic and electrical installation before starting the configuration. 9.1. Operating modes The Control Electronics can be operated in two modes: • Display mode • Configuration mode After switching on the operating voltage, the Control Electronics, Type 8605 is in display mode. configuration mode Display mode dELY … dAtA...

  • Page 21: Menu Of The Configuration Mode

    Type 8605 Configuration A sub-menu appears on the display. You can switch between the sub-menu items by pressing the arrow keys and make the desired settings. → Confirm the desired setting by pressing the Enter key. 9.3. menu of the configuration mode 3 sec...

  • Page 22: Inp (Input) - Selection Of The Input Signal

    If you have any queries, please contact your sales office or the Bürkert Technical Center. 24 h service number: +49 (0) 7940 / 10 91 110 Set values for PWM frequencies: A table of PWM frequencies which are suitable for controlling the valve type can be found on the Bürkert homepage: www.burkert.com → Type 8605. english...
  • Page 23 • Pay attention to the choice of the right valve type. The Control Electronics, Type 8605, can be used for the whole range of Bürkert proportional valves. Depending on the nominal sizes and fluidic performance data, the individual valve types contain solenoid coils with very different sizes, winding data and dynamic properties (defined by the inductivity and Ohmic resistance).
  • Page 24 Type Figure 18: Limit frequencies for Bürkert valve types set values for pWm frequencies: A table of PWM frequencies which are suitable for controlling the valve type can be found on the Bürkert homepage www.burkert.com → Type 8605. english...

  • Page 25: Vadj (Valve Adjust) - Fine Tuning Of The Valve Frequency

    • In the case of types 2871, 2873 and 2875 the PWM frequency must be adjusted in addition to selecting the type. A table of PWM frequencies which are suitable for controlling the valve type can be found on the Bürk- ert homepage: www.burkert.com → Type 8605. The choice of valves depends on the device type being used...

  • Page 26: Adj (Adjust) - Adaptation Of The Coil Current

    Type 8605 Configuration • The following rule applies for the input of the frequency pairs: HI value > LO value • In the menu item VALV, the HI and LO values are limited to an expedient range in relation to the valve type.

  • Page 27: Dely (Delay) - Ramp Function

    Type 8605 Configuration → Start with a current value at which the valve is still reliably closed and increase the coil current with the arrow until the flow indicator detects a flow for the first time. → Reduce the coil current by a few mA with the key until the valve is reliably closed again.

  • Page 28: Cut (Cut Off) - Zero Point Cut Off

    Type 8605 Configuration Figure 21: dELY (Delay) - Ramp function 9.3.6. cut (cut off) - Zero point cut off in order to guarantee leak-tight closing of the valve, the valve is completely de-energised with input signals below the set limit (0.1 to 5.0 % of the set standard signal) when the zero point shutdown is active.

  • Page 29: Para (Parameter) - Controller Setting

    Type 8605 Configuration 9.3.7. para (parameter) - controller setting The controlled coil current cannot follow changes in the input signal at any random speed. Different sets of control parameters are stored for the internal current control. The controller dynamics can therefore be set in three discrete steps between: •...

  • Page 30: Data (Data) - Upload And Download Of Parameters Between The Operating Unit And The Basic Device

    Type 8605 Configuration 9.3.9. data (Data) - upload and Download of parameters between the operating unit and the basic device This function is used for data transfer from one operating unit to several basic devices. After connecting the operating unit, the stored parameters can be transmitted to the basic device. This function is only available for the cable plug version.

  • Page 31: Factory Settings Of The Control Electronics

    Type 8605 Configuration 9.4. factory settings of the control electronics menu item factory setting comment 0 ...10 V Input signal 0 ...10 V selected Out / VALV - - - - No valve selected Out / VAdJ Manual fine tuning of the valve fre- quency inactive Out / AdJ...

  • Page 32: Maintenance

    Unintentional activation of the equipment during maintenance and repair work may result in injuries and / or damage. • Take appropriate measures to prevent the equipment from being unintentionally activated. 10.2. service When used in accordance with the instructions given in this operating manual, the Control Electronics Type 8605 is maintenance-free. english...

  • Page 33: Spare Parts

    Type 8605 SpareParts 11. spare parTs CauTion! Danger due to incorrect accessories and replacement parts! Incorrect accessories or unsuitable spare parts can result in injuries and in damage to the device and its surroundings. • Use only original accessories and original spare parts from Bürkert. 11.1. Ordering charts: Device variants max.

  • Page 34: Accessories

    If two current ranges of the control electronics are possible choose the lower one 11.2. accessories accessories / individual parts identification number Operating unit for Type 8605 Cable plug 582 878 Angle-entry plug M12, 4-pin 784 301 Connecting lead M12, 4-pin, 5 metres long...

  • Page 35: Packaging, Transport

    Keep the control electronics in the original packaging or in some other suitable packaging. 13.2. restarting Switch on the Control Electronics Type 8605 again as follows: → Unpack the Control Electronics and allow it to reach room temperature before switching on again.

  • Page 36: Disposal

    Type 8605 Disposal 14. 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 regulations on disposal and the environment. note: Observe national waste disposal regulations. english...
  • Page 37 www.burkert.com...

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