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Burk 8681 Additional Instructions

Büs/canopen, control head
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Type 8681 (büS/CANopen)
Control Head
Design: büS/CANopen
Additional Instructions for
Type 8681 büS/CANopen

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Summary of Contents for Burk 8681

  • Page 1 Type 8681 (büS/CANopen) Control Head Design: büS/CANopen Additional Instructions for Type 8681 büS/CANopen...
  • Page 2 We reserve the right to make technical changes without notice. Technische Änderungen vorbehalten. Sous resérve de modification techniques. © Bürkert Werke GmbH & Co. KG, 2017 - 2019 Operating Instructions 1905/07_EN_00810569 / Original DE...

  • Page 3: Table Of Contents

    Type 8681 büS/CANopen  Control Head Type 8681(büS) ontents OPERATING INSTRUCTIONS ................................6 BASIC SAFETY INSTRUCTIONS ..............................7 GENERAL INFORMATION ................................9 3.1 Conformity / Standards ..............................9 3.2 Approvals ....................................9 QUICKSTART FOR INITIAL START-UP ..........................10 CHANGES CONCERNING BÜS/CAN OPEN DESIGN ....................11 “Autotune functions” – with reference to the Basic OI for Type 8681 ...........11 5.1 “Setting colour combinations” – with reference to the Basic OI for Type 8681 .......11 5.2 5.2.1 Device-specific LED mode “8681 Classic Mode” ................13 5.2.2 NAMUR mode ...............................13 5.2.3 Valve mode ................................14 5.2.4 Valve mode + Errors .
  • Page 4 Type 8681 büS/CANopen  Network principle / Interfaces .............................25 6.2 Gateway ....................................26 6.3 Electrical connection options ............................26 6.4 büS/CANopen specification ............................27 6.5 6.5.1 General data ................................27 6.5.2 Total line length and drop line lengths of the bus cables ............27 6.6 Electrical data of the control head ..........................28 6.7 Safety position if the bus fails .............................29 6.8 Design aid ....................................29 6.9 Installation – Safety instructions ..........................30 6.10 Gateway installation ................................30 6.11 Electrical installation - büS/CANopen ........................30 6.11.1 Electronic module büS/CANopen: ......................31...
  • Page 5 Type 8681 büS/CANopen  6.19 Access to parameters (Read / Write) ........................50 6.19.1 Parameter – reading via Logix Designer ....................51 6.19.2 Parameters – writing via Logix Designer ....................52 6.19.3 Access to parameters via Bürkert Communicator ................53 6.19.4 Access to further parameters (cyclic and acyclic) ................53 ACCESSORIES ....................................54 CABLING EXAMPLES ............................56 english...

  • Page 6: Operating Instructions

    Type 8681 büS/CANopen Operatinginstructions OPERATING INSTRUCTIONS 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.

  • Page 7: Basic Safety Instructions

    Type 8681 büS/CANopen Basicsafetyinstructions BASIC SAFETY INSTRUCTIONS These safety instructions do not make allowance for any • eventualities and events which may occur during installation, operation and maintenance of the devices. • local safety regulations which the operator is responsible for observing, also in relation to the installation personnel.
  • Page 8 Type 8681 büS/CANopen Basicsafetyinstructions NOTE! Risk of damage to property! • Do not connect any mechanically rigid connection parts, in particular those with long lever arms, as such con- nections could generate torques that might damage the control head. • Do not supply the medium connections of the system with liquids or aggressive or flammable media! •...

  • Page 9: General Information

    PROFINET, Modbus/TPC, PROFIBUS DPV1, EtherCAT, CC-Link - corresponding configurations on request. Conformity / Standards The Control Head Type 8681 büS/CANopen complies with the EU directives according to the EU Declaration of Conformity. The applied standards, which are used to demonstrate compliance with the EU Directives, are listed in the EU Prototype Examination Certificate and/or the EU Declaration of Conformity.

  • Page 10: Quickstart For Initial Start-Up

    For other gateway configurations (e.g. in conjunction with ELEMENT positioners), the specific documentation for preconfigured Bürkert gateways must be observed. After mounting the control heads (Type 8681 büS/CANopen) in the network, the following operations must first be carried out on the control heads: 1.) Addressing of the control heads...

  • Page 11: Changes Concerning Büs/Can Open Design

    “Autotune functions” – with reference to the Basic OI for Type 8681 The optical feedback signals for the autotune mode and the autotune functions of type 8681 büS/CANopen are different from the standard models of type 8681. For the autotune functions, first enter the Autotune mode (T2+T3 for min. 2.5 s), then choose one of the 6 Auto tune...
  • Page 12 Factory settings: software-configurable display mode: display mode of the device status LED can be selected by firmware: - Device-specific LED mode (8681 Classic 0 ... 15) – see chapter “5.2.1” - NAMUR mode – see chapter “5.2.2” - Valve mode – see chapter “5.2.3”...

  • Page 13: Device-Specific Led Mode "8681 Classic Mode

    This display mode of the device status LED for the position feedback (S1, S2, S3, S4IN) of the process valve matches the display mode of the “classic” Control Heads Type 8681 (24 V DC, AS-i, DeviceNet, 120 V AC). The colour coding is set using DIP1 to 4 - see Basic Operating Instructions, chapter “Setting colour combinations”.

  • Page 14: Valve Mode

    Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign Colour*) Prio- Description Meaning rity Failure, error, malfunction Controlled operation is not possible due to a malfunction in the device or its peripheral devices. orange Function check Work is being carried out on the device; controlled operation is therefore not currently possible (this includes “Autotune function active”).

  • Page 15: Valve Mode + Errors

    Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign 5.2.4 Valve mode + Errors The device status LED (Top LED) display the position feedback (S1, S2, S3) of the process valve and the feedback S4IN from the external initiator as well as error messages.

  • Page 16: Display Mode "Fixed Colour

    Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign Position Process valve Colour Blinking pattern of the Fault indication Warning display position, e.g.: position feedback closed green *) continuously lit is lit red is lit in the (= error...

  • Page 17: Blinking Pattern & Fault Signalling" - With Reference To The Basic Oi For Type 8681

    Changes c oncerning b üS/CAN o pen d esign “Blinking pattern & fault signalling” – with reference to the Basic OI for Type 8681 The device status LED (Top LED) display the position feedback (positions) S1, S2, S3 of the process valve, the feedback S4IN from the external initiator as well as error and warning messages, partly using special “blinking pat-...
  • Page 18 Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign In addition to the position feedback signals, the errors and the device status in the various display modes are also indicated by means of different blinking patterns. Display of device status / errors / warnings...

  • Page 19: Localisation Function

    (200 ms per colour) Tab. 9: Display behaviour of the different display modes with regard to, error, warning, status These abbreviations mean: Classic – device specific LED mode (8681 Classic Mode X), NAMUR – NAMUR mode (NAMUR NE 107), “VM” – valve mode, “VM+E”...

  • Page 20: Signal Priorities" - With Reference To The Basic Oi For Type 8681

    5.4.1 When several states overlap for one valve In this case the following priority list applies to the “device specific” display mode (“8681 Classic X”) : 1. Internal error: (error colour: 450 ms ON, 50 ms OFF) 2. Manual operating mode is active, e.g. by magnetic manual override - see chapter “18. Service mode/manual override”...

  • Page 21: When Position Feedback Overlaps

    Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign • “NAMUR” – see chapter “5.2.2” • “Valve mode” – see chapter “5.2.3” • “Valve mode + errors” – see chapter “5.2.5” • “Valve mode + errors + warnings” – see chapter “5.2.5”.
  • Page 22 Type 8681 büS/CANopen Changes c oncerning b üS/CAN o pen d esign Parameter “PRIO” (highest) priority 1 Priority 2 Priority 3 (lowest) priority 4 24 *) particular logic, see “Tab. 13” Tab. 12: Display priorities when position feedback overlaps - can be selected using parameter “PRIO” *) Factory settings: “PRIO 24”...

  • Page 23: Display Of The Status Leds For Bus Error" - With Reference To The Basic Oi For Type 8681

    “Display of the status LEDs for bus error” – with reference to the Basic OI for Type 8681 The following applies to the Control Heads Type 8681 büS/CANopen: Bus errors are also indicated by the central multi-coloured status display (device status LED / Top LED)- see chapter “Blinking pattern / fault signalling”...

  • Page 24: Further Help

    5.6.1 Links to different operating instructions If you need further help for the configuration of Type 8681 (büS) you can also use further documents. www.burkert.com search for the type number or the device identification number and On the Bürkert website find the corresponding documents under “Downloads”...

  • Page 25: Büs/Can Open-Design

    The “büS” (Bürkert system bus) is a fieldbus system based on the CAN protocol (Controller Area Network). It enables Bürkert devices to communicate with each other. The Control Head Type 8681 büS/CANopen is a device which conforms to the specification (see chapter “6.5”). Network principle / Interfaces Fig.

  • Page 26: Gateway

    Type 8681 büS/CANopen büS/CANopen-Design • Each gateway can control up to 63 nodes (Control Heads Type 8681 büS/CANopen) if the network topology considers the max. permitted cable length and the required power supply. Each node requires a unique “Node ID”, otherwise an error occurs.

  • Page 27: Büs/Canopen Specification

    Type 8681 büS/CANopen büS/CANopen-Design büS/CANopen specification 6.5.1 General data Baud rate: configurable via DIP switches 7, 8 or via software (selectable values – see chapter “6.13.1 Setting the baud rate”) factory setting: software configurable baud rate (pre-selected: 500 kbit/s) 1 ... 63 (via DIP switches 1 ... 6 adjustable);...

  • Page 28: Electrical Data Of The Control Head

    Type 8681 büS/CANopen büS/CANopen-Design Electrical data of the control head Connections: Cable gland version: 1 x M16 x 1.5 cable gland / SW22 – for power supply and signals, (only for transportation safety device sealed with dummy plugs, remove these before use!) for cable diameter 5 ...

  • Page 29: Safety Position If The Bus Fails

    Type 8681 büS/CANopen büS/CANopen-Design Safety position if the bus fails If the bus fails, the solenoid valve is switched to a programmable safety position (default: solenoid valve de-energised). For configuration data / parameter see chapter “6.19 Access to parameters (Read / Write)”.

  • Page 30: Installation - Safety Instructions

    Type 8681 büS/CANopen büS/CANopen-Design Installation – Safety instructions WARNING! Risk of injury due to electric shock! ` Before reaching into the system (apart from the teach-in procedure in a non-explosive atmosphere), switch off the voltage and secure to prevent it from being switched on again!

  • Page 31: Electronic Module Büs/Canopen

    → Open the housing (compare chapter 8 “Opening and closing the housing” in the Basic Operating Instructions for Type 8681) so that this electronic module is visible as shown below (“Fig. 6”) . → Connect the different wires of the CAN cable to the screw terminals for the bus signal as specified in the table “Terminal strip configuration”.

  • Page 32: Details On The Dip Switches For Colour Coding

    Type 8681 büS/CANopen büS/CANopen-Design 6.11.3 Details on the DIP switches for colour coding: The (classic) colour combinations can be set via DIP 1 to 4 as described in the Basic Operating Instruction, chapter “Setting the colour combinations”. But on this occasion DIP 5 and DIP 6 have to be set to “OFF” to display the correct colours.

  • Page 33: Configuring The Node Id / Baud Rate

    Type 8681 büS/CANopen büS/CANopen-Design 6.13 Configuring the Node ID / baud rate DIP switches for ad- 8 DIP switches are available for configuration: dress+ baud rate • DIP switches 1 to 6 for the Node ID (büS/ CANopen address) • DIP switches 7 to 8...

  • Page 34: Setting The Büs/Canopen Address (Node Id)

    Type 8681 büS/CANopen büS/CANopen-Design 6.13.2 Setting the büS/CANopen address (Node ID) Node ID = [DIP 1 ⋅ 2 + DIP 2 ⋅ 2 + DIP 3 ⋅ 2 + DIP 4 ⋅ 2 + DIP 5 ⋅ 2 + DIP 6 ⋅ 2...
  • Page 35 Type 8681 büS/CANopen büS/CANopen-Design NOTE 1: How to restart the device If the settings are changed by actuating the DIP switches, these changes will not take effect until the device is restarted! For a restart: • trigger a restart command via Bürkert Communicator or •...

  • Page 36: Factory Settings Of The Control Head Regarding The Gateway Configuration

    Type 8681 büS/CANopen büS/CANopen-Design NOTE 3: Special characteristics for the DIP switch setting different to DIP1 to DIP6 “000000”, i.e. hardware configured Node ID • Bus mode büS (bueS) or CANopen: The behaviour with this DIP switch setting depends on the bus mode (büS (bueS) or CANopen).

  • Page 37: Central Configuration Management (Configuration Client)

    Type 8681 büS/CANopen büS/CANopen-Design 6.13.4 Central configuration management (Configuration client) As of firmware B.01.00.00 the central configuration management (e.g. with gateway ME43, as of firmware A.03.02) is supported. This means that defective Bürkert devices can be exchanged easily, almost without configuration effort.
  • Page 38 Type 8681 büS/CANopen büS/CANopen-Design → Complete the “User name” and “User password” (factory setting for both: “admin”) → Click the “Login” button → Change/overwrite the “Static IP address”, e.g. with “192.168.1.101” or another address, to distinguish the gateways from each other →...

  • Page 39: Changing The Gateway Ip Address Using "Bürkert Communicator

    Type 8681 büS/CANopen büS/CANopen-Design 6.14.2 Changing the gateway IP address using “Bürkert Communicator” → Connect the PC (with Bürkert Communicator Type 8920) via “büS stick” to the büS/CANopen data line (e.g. to a free connection of a CAN junction box in the network - as shown in “Fig. 2: Network principle”) →...

  • Page 40: Changing The Gateway Ip Address Via Logix Designer

    Start the “Logix Designer” → First, select “Go Online” (“Rem Run” = Remote Run) → Right click on “Ethernet” → Select “Gateway 8681 bues ...” → Right click and select “Properties” → A new window opens, go to the “Internet Protocol” tab →...
  • Page 41 Type 8681 büS/CANopen büS/CANopen-Design → Then select “Go Offline” → Go to the “General” tab → Overwrite the “Ethernet Address”/ “Private Network” with the new address → Click the “OK” button → Select “Go Online” again → A new window opens →...
  • Page 42 Type 8681 büS/CANopen büS/CANopen-Design → A new window with several warnings opens → Click the “Download” button to continue the download process english...

  • Page 43: Changing The Gateway Ip Address Using Rs Linx

    Right click on “AB_ETHIP-1, Ethernet” → Select “XXX, Gateway 8681 bueS ...” → Right click on “XXX, Gateway 8681 bueS ...” and select “Module Configuration” → A new window opens, go to the “Port Configuration” tab → In the area “Network Configuration Type”, mark the “Static”...

  • Page 44: Registration Of A Gateway Via Logix Designer

    Type 8681 büS/CANopen büS/CANopen-Design 6.15 Registration of a gateway via Logix Designer The gateway ME43 must be registered in the Logix Designer database: → Ensure that the EDS file and the ICO file are in the same folder (Do not change the name of the ICO file as it is referenced in the EDS file with this name!) →...

  • Page 45: Installation Of A Gateway Via Logix Designer

    In the new window “Select Module Type”, select the appropriate device from the “Catalogue”: (use the filter function for a faster search: vendor “Buerkert Werke ...”) → After selecting the “Gateway 8681 bueS”, click on the “Create” button (continued on next page) english...
  • Page 46 Type 8681 büS/CANopen büS/CANopen-Design → In the new window “New Module”, enter a new significant name in the name field and select the appropriate “Private Network” number for the “Ethernet Address” → Click on “OK” button → Close the (old) window “Select Module Type”...

  • Page 47: Configuration Of The Control Head Network

    Configuration of the control head network The gateway Type ME43 is used as a fieldbus interface between the control heads (Type 8681 büS/CANopen) and the master controller (EtherNet/IP). Each gateway can communicate with up to 63 control heads of Type 8681 büS/ CANopen.

  • Page 48: Hide Function" Via "Bürkert Communicator

    Type 8681 büS/CANopen büS/CANopen-Design 6.17.2 “Hide function” via “Bürkert Communicator” → Connect the PC (with Bürkert Communicator Type 8920) via “büS stick” to the büS/CANopen data line (e.g. to a free connection of a CAN junction box in the same network - as shown in “Fig. 2: Network principle”) →...
  • Page 49 Type 8681 büS/CANopen büS/CANopen-Design → “Page 2”: Hiding of the outputs: set the switch to (ON) in order to activate the hiding, i.e. these outputs are hidden then – or set the switch to (OFF) in order NOT to activate the hiding, i.e. these outputs are NOT hidden: →...

  • Page 50: Description Of The (Cyclical) I/O Data

    Type 8681 büS/CANopen büS/CANopen-Design 6.18 Description of the (cyclical) I/O data Depending on the configuration, the gateway processes 1 ... 6 byte of the process data emanating from the control head 6 byte for the position feedback of the position measuring system.

  • Page 51: Parameter - Reading Via Logix Designer

    Type 8681 büS/CANopen büS/CANopen-Design 6.19.1 Parameter – reading via Logix Designer → Open the project (e.g. “Logix Designer - Gateway_Type8681”) → According to the path (I/O Configuration / Ethernet / Gateway ...), open the desired gateway and select the “Parameters” tab. In “Group” select <All Parameters>, all relevant predefined parameters are displayed for each control head (scroll down to see the data of the other control heads).

  • Page 52: Parameters - Writing Via Logix Designer

    Type 8681 büS/CANopen büS/CANopen-Design 6.19.2 Parameters – writing via Logix Designer Parameters in white fields (rw) can be overwritten (parameters in grey fields (ro) can only be read out): → Open the desired gateway as for the reading function and in the “Parameters” tab select e.g. Group: “All Parameters”...

  • Page 53: Access To Parameters Via Bürkert Communicator

    An Object list for CANopen and other required files for the Type 8681 büS/CANopen can be found on the Bürkert website – enter the type “8681” or the ID number of the device as search term and download the corresponding files after opening the ZIP container with the “Initiation Files”, found under “Downloads” / “Software”.

  • Page 54: Accessories

    (gateway) and Ethernet/IP (Rockwell Automation)); preconfigured and designed for the connection/control of up 774087 to 63 Control Heads Type 8681 (büS) (SD card) Other pre-configurations e.g. in conjunction with Control Heads Type 8691, Positioners Type 8692 or Process Con- trollers Type 8693 on request.
  • Page 55 Type 8681 büS/CANopen Accessories Accessories Figure Order / ID no. CAN terminating resistor, M12 plug*), 120 Ω 773490 CAN terminating resistor, M12 socket*), 120 Ω 773491 CAN Y-connector, M12*) 773492 CAN T-connector, M12*) 773493 Mounting plate for CAN T-connector (M12)

  • Page 56: Cabling Examples

    Type 8681 büS/CANopen Cablingexamples CABLING EXAMPLES english...
  • Page 57 Type 8681 büS/CANopen Cablingexamples english...
  • Page 58 Type 8681 büS/CANopen Cablingexamples english...
  • Page 59 Type 8681 büS/CANopen  english...
  • Page 60 www.burkert.com...

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