Burkert 8691 Quick Start Manual
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Burkert 8691 Quick Start Manual

Control head
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Type 8691
Control Head
Steuerkopf
Tête de commande
Quickstart

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Summary of Contents for Burkert 8691

  • Page 1 Type 8691 Control Head Steuerkopf Tête de commande Quickstart...
  • 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 - 2018 Ouickstart 1808/08_EU-ML_00806079 / Original DE...

  • Page 3: Table Of Contents

    Type 8691 Contents QUICKSTART ................ 4 INSTALLATION ..............12 1.1 Definition of term, abbreviation ........4 7.1 Safety instructions ............. 12 1.2 Symbols ............... 4 7.2 Installation of the control head on process valves of series 21xx ..........12 AUTHORIZED USE ............... 5 7.3 Installation of the control head on process BASIC SAFETY INSTRUCTIONS .......... 5 valves of series 20xx ..........13 7.4...

  • Page 4: Quickstart

    Type 8691 Quickstart QUICKSTART Symbols The following symbols are used in these instructions. The Quickstart describe the entire life cycle of the device. Keep the Quickstart in a location which is easily accessible to every user and DANGER! make the Quickstart available to every new owner of the device. Warns of an immediate danger. Important Safety Information. ▶ Failure to observe the warning may result in a fatal or serious Read Quickstart carefully and thoroughly. Study in particular injury. the chapters entitled “Basic safety instructions” and “Autho- rized use”. WARNING! ▶ Quickstart must be read and understood. Warns of a potentially dangerous situation. ▶ Failure to observe the warning may result in serious injuries or death.

  • Page 5: Authorized Use

    Type 8691 Authorized use AUTHORIZED USE BASIC SAFETY INSTRUCTIONS These safety instructions do not make allowance for any Non-authorized use of the control head Type 8691 may be a • contingencies and events which may arise during the installation, hazard to people, nearby equipment and the environment. operation and maintenance of the devices. The device is designed to be mounted on pneumatic actuators • local safety regulations – the operator is responsible for observing of process valves for the control of media. these regulations, also with reference to the installation personnel. ▶ In the potentially explosion-risk area the control head Type 8691 may be used only according to the specification on the separate approval sticker. For use observe the additional...

  • Page 6: General Information

    Type 8691 General information GENERAL INFORMATION General hazardous situations. To prevent injury, ensure: Contact address ▶ Installation and repair work may be carried out by authorized Germany technicians only and with the appropriate tools. Bürkert Fluid Control System ▶ After an interruption in the power supply or pneumatic supply, Sales Center ensure that the process is restarted in a defined or controlled Chr.-Bürkert-Str. 13-17 manner. D-74653 Ingelfingen ▶ The device may be operated only when in perfect condition Tel. + 49 (0) 7940 - 10 91 111 and in consideration of the operating instructions. Fax + 49 (0) 7940 - 10 91 448 ▶ The general rules of technology apply to application planning E-mail: info@de.buerkert.com and operation of the device. International To prevent damage to property on the device, ensure: Contact addresses can be found on the final pages of the printed ▶ Do not feed any aggressive or flammable media into the pilot operating instructions. air port.

  • Page 7: System Description

    Type 8691 System description SYSTEM DESCRIPTION Apart from the electrical position feedback, the status of the device is optically displayed on the control head itself by a colored high- Structure and function power LED. Option: Communication possible via AS-Interface or DeviceNet. Control head for integrated installation Control head on the 21xx series Electrical connection Cable gland M16 x 1.5 or Circular plug-in Actuator connector M12 x 1 Process valve Body casing Valve body Fig. 1: Structure Connection housing Air intake filter The control head Type 8691 can control single or double-acting Pressure limiting valve process valves and has been optimized for the integrated modular...

  • Page 8: Model For Control Of Process Valves Belonging To The 20Xx Series

    Type 8691 Technical data Model for control of process valves TECHNICAL DATA belonging to the 20xx series Conformity A special model enables the control head Type 8691 to be attached In accordance with the EU Declaration of conformity, the control to process valves belonging to the 20xx series. head Type 8691 is compliant with the EU Directives. This model features has a different connection housing so that the pilot air ports can be connected to the outside of the actuator Standards (see “Fig. 3”). The applied standards on the basis of which compliance with the EU Directives is confirmed are listed in the EU type examination certificate and/or the EU Declaration of Conformity. Pilot air outlet 2 Licenses...

  • Page 9: Operating Conditions

    Type 8691 Technical data Operating conditions Type labels 6.6.1 Type label standard (example) WARNING! Supply voltage, control Solar radiation and temperature fluctuations may cause mal- Control function, functions or leaks. Pilot valve ▶ If the device is used outdoors, do not expose it unprotected Max. operating 8691 AS-i 62SI to the weather conditions. single act Pilot 3,0 pressure ▶ Ensure that the permitted ambient temperature does not exceed Pmax 7bar Ambient Tamb 0°C - +55°C...

  • Page 10: Pneumatic Data

    Type 8691 Technical data 6.6.3 UL additional label (example) Connections P lug-in hose connector ∅ 6 mm / 1/4“ Socket connection G 1/8 Degree of protection Type 4X enclosure Electrical data NEC Class 2 only Circuit with limited power WARNING! Supply voltage: 24 V Supply voltage device Only circuits with limited power may be used for UL approved Fig. 6: UL additional label (example) components according to “NEC Class 2”. Pneumatic data Control medium n eutral gases, air 6.8.1 Electrical data without bus control...
  • Page 11 Type 8691 Technical data 6.8.2 Electrical data with AS-Interface bus 6.8.3 Electrical data with DeviceNet bus control control Protection class 3 as per DIN EN 61140 (VDE 0140-1) Protection class 3 as per DIN EN 61140 (VDE 0140-1) Connections C ircular plug-in connector Connections C ircular plug-in connector (M12 x 1, 5-pole) (M12 x 1, 4-pole) Supply voltage 11 V – 25 V Supply voltage 2 9.5 V – 31.6 V DC (according to Max. power consumption < 80 mA specification) Output Outputs Pull-in current current ≤ 50 mA...

  • Page 12: Installation

    Type 8691 Installation INSTALLATION Installation of the control head on process valves of series 21xx Only for control head without pre-assembled process NOTE! valve. When mounting on process valves with a welded body, follow Safety instructions the installation instructions in the operating instructions for the process valve.

  • Page 13: Installation Of The Control Head On Process Valves Of Series 20Xx

    Type 8691 Installation Installation of the control head on → Push the control head, without turning it, onto the actuator until no gap is visible on the form seal. process valves of series 20xx Procedure: NOTE! Guide rail Too high torque when screwing in the fastening screw does not ensure degree of protection IP65 / IP67. ▶ The fastening screws may be tightened to a maximum torque of 1.5 Nm only.
  • Page 14 Type 8691 Installation → Screw the plug-in hose connectors onto the control head and Ensure that the pneumatic connections of the control the actuator. head and those of the valve actuator are situated pref- → Using the hoses supplied in the accessory kit, make the erably vertically one above the other (see “Fig. 10”). pneumatic connection between the control head and actuator with the “Tab. 1: Pneumatic connection to actuator”. NOTE! Too high torque when screwing in the fastening screw does not ensure degree of protection IP65 / IP67. NOTE! ▶ The fastening screws may be tightened to a maximum Damage or malfunction due to ingress of dirt and moisture.

  • Page 15: Manual Actuation Of The Actuator Via Pilot Valve

    Type 8691 Installation Manual actuation of the actuator via Control function A (CFA) pilot valve Process valve closed in rest position (by spring force) The actuator can be moved without a power supply from the rest Pilot air outlet position to its end position and back again, when the control air is connected. To do this, the pilot valve must be actuated with a screwdriver. Upper pilot air port NOTE! The hand lever may be damaged if it is simultaneously Lower pilot air port pressed and turned.

  • Page 16: Pneumatic Installation

    Type 8691 Pneumatic installation PNEUMATIC INSTALLATION DANGER! Risk of injury from high pressure in the equipment/device. ▶ Before working on equipment or device, switch off the pressure Pilot air port and deaerate/drain lines. (label: 1) Procedure: → Connect the control medium to the pilot air port (1) Exhaust air port (3 – 7 bar; instrument air, free of oil, water and dust). (label: 3) → Attach the exhaust airline or a silencer to the exhaust air port (3) Fig. 12: Pneumatic connection (see “Fig. 12: Pneumatic connection”). Caution: (Exhaust air concept): Keep the adjacent supply pressure always at least In compliance with degree of protection IP67, an exhaust 0.5 – 1 bar above the pressure which is required to move air line must be installed in the dry area.

  • Page 17: Electrical Installation

    Type 8691 Electrical installation ELECTRICAL INSTALLATION Electrical installation 24 V DC Safety instructions 9.2.1 Electrical installation with cable gland NOTE! DANGER! Breakage of the pneumatic connection pieces due to rota- Risk of electric shock. tional impact. ▶ Before working on equipment or device, switch off the power ▶ When unscrewing and screwing in the body casing, do not supply and secure to prevent reactivation.
  • Page 18 Type 8691 Electrical installation Jumper: a ssignment p-n-p or n-p-n ye gn outlet (optional) Body casing IN 1 = Top (top) Seal IN 2 = Bot (bottom) body casing Screw terminals Connection housing IN 1 end positions IN 2 Fig. 15: Position of the seal in the body casing Screw terminals Supply 24 V DC 24 V → Tighten union nut on the cable gland (torque approx. 1.5 Nm). Screw terminals → Check that the seal is correctly positioned in the body casing.

  • Page 19: Display Elements 24 V Dc

    Type 8691 Electrical installation Display elements 24 V DC 9.2.2 Electrical installation 24 V DC with circular plug-in connector NOTE! → Connect the control head according to the table. Breakage of the pneumatic connection pieces due to rota- The teach function can now be used to automatically determine tional impact. and read in the end positions of the valve (description of the teach ▶ When unscrewing and screwing in the transparent cap, do function see chapter “10 Teach function”).

  • Page 20: Programming Data As-Interface

    Type 8691 Electrical installation Electrical installation AS-Interface NOTE! 9.5.1 Connection with circular plug-in connector Damage or malfunction due to penetration of dirt and M12 x 1, 4-pole, male humidity. ▶ To observe degree of protection IP65 / IP67, screw the trans- Connector views parent cap in all the way. The views show the image from the front looking at the pins, the solder connections are behind them. Programming data AS-Interface Pin 3:...
  • Page 21 Pin assignment of circular plug-in connector for AS-Interface → Connect the control head according to the table. The teach function can now be used to automatically determine and read in the end positions of the valve (description of the Screws teach function see chapter “10 Teach function”). M12 plug-in connector branch circuit For the bus variant AS-Interface, the teach function can also be started via the bus protocol. Fig. 20: Controlhead8691withmulti-polecableandflatcableterminal Handling the flat cable terminal The multi-pole cable features a flat cable terminal - with M12 plug-in connector branch circuit - for AS-Interface flat cable. The flat cable terminal contacts the AS-Interface flat cable by means of penetration technology which allows installation by “clipping in” the AS-Interface flat cable without cutting and without removing insulation. english...

  • Page 22: Display Elements As-Interface

    Type 8691 Electrical installation Display elements AS-Interface Procedure: → Open the flat cable terminal NOTE! (loosen screws and remove cover). Breakage of the pneumatic connection pieces due to rota- → Insert AS-Interface flat cable conclusively. tional impact. → Close flat cable terminal again. ▶ When unscrewing and screwing in the transparent cap, do → Tighten screws not hold the actuator of the process valve but the connection Slightly undo thread-forming screws housing.

  • Page 23: Electrical Installation Devicenet

    Type 8691 Electrical installation Electrical installation DeviceNet Bus LED Bus LED (green) (red) 9.7.1 Bus connection (circular connector M12 x POWER OFF 1, 5-pole, male) No data traffic (expired Watch Dog at The control head features a 5-pole micro-style circular connector. slave address does not equal 0) The following configuration conforms to the DeviceNet specification. flashing Slave address equals 0 → Connect the control head according to the table. Sensor supply overloaded or external flashing reset flashing flashing Teach function error (Periphery error) Tab.
  • Page 24 Type 8691 Electrical installation 9.7.2 Configuring the control head → Set the DIP switches according to the following tables. Setting the DIP switches NOTE! Breakage of the pneumatic connection pieces due to rota- tional impact. DIP switches ▶ When unscrewing and screwing in the body casing, do not for bus hold the actuator of the process valve but the connection address and housing. baudrate → Unscrew the body casing (stainless steel) in a counter-clockwise direction. Fig. 24: DIP switches DeviceNet...
  • Page 25 Type 8691 Electrical installation → Check that the seal is correctly positioned in the body casing. Settings of the DeviceNet address → Close the device (assembly tool: 674077 MAC ID – Medium Access Control Identifier: [DIP 1=off=0 / DIP 1=on=1 / NOTE! MAC ID=DIP 1*2 +DIP 2*2 +...+DIP 6*2 Damage or malfunction due to penetration of dirt and DIP 1 DIP 2 DIP 3 DIP 4 DIP 5 DIP 6 humidity.

  • Page 26: Display Elements Devicenet

    Type 8691 Electrical installation Display elements DeviceNet Color NOTE! Status LED Teach function is flashing yellow running Breakage of the pneumatic connection pieces due to rota- tional impact. flickers yellow Puck PCB not available ▶ When unscrewing and screwing in the transparent cap, do not hold the actuator of the process valve but the connection Top LED is lit green End postion bottom housing. is lit yellow End postion top • Online, without con- flashing red nection to the Master Top LEDs alternately with the •...
  • Page 27 Type 8691 Electrical installation Status of the bus status LED Device status Explanation Troubleshooting Another device with Device status Explanation Troubleshooting the same MAC ID Device is not supplied Check baud rate Connect other address is in the circuit with voltage Critical fault devices, if the device If required, replace No bus connection Device has still not is the only network device No power due to communication ended Duplicate MAC subscriber, supply / problems ID Test (test lasts Replace device not online Tab.

  • Page 28: Teach Function

    Type 8691 Teach function TEACH FUNCTION Transparent cap The teach function can be used to automatically determine and Body casing read in the end positions of the valve. For the bus variant AS-Interface, the teach function can also be started via the bus protocol. Connection housing For the bus variant DeviceNet, the teach function can also be started via the bus protocol as well as the com- municator software. Actuator 10.1 Starting the teach function Fig. 27: Open control head NOTE! Necessary requirements: Before you can actuate the teach function, you must Breakage of the pneumatic connection pieces due to rota- •...

  • Page 29: Safety End Positions

    Type 8691 Safety end positions SAFETY END POSITIONS NOTE! Damage or malfunction due to penetration of dirt and Safety end positions after humidity. failure of the auxiliary Actuator system Designation ▶ To observe degree of protection IP65 / IP67, screw the trans- power parent cap in all the way. electrical pneumatic → Close the device (assembly tool: 674077 single-acting Pilot valve LED (yellow)

  • Page 30: Accessories

    Type 8691 Accessories ACCESSORIES PACKAGING, TRANSPORT, STORAGE Designation Order no. NOTE! Connection cable M12 x 1, 8-pole 919061 Transport damages. Assembly tool 674077 Inadequately protected equipment may be damaged during USB adapter for connection to a transport. PC in conjunction with an extension 227093 ▶ During transportation protect the device against wet and dirt cable in shock-resistant packaging. Information at ▶ Avoid exceeding or dropping below the permitted storage Communicator www.burkert.com temperature. Tab. 15: Accessories Incorrect storage may damage the device.
  • Page 32 www.burkert.com...

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