Burkert 8691 REV.3 Operating Instructions Manual Download Page 7

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About these instructions

ABOUT THESE INSTRUCTIONS

The operating instructions describe the entire life cycle of the device.

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Keep these instructions ready to hand at the operation site.

Important safety information.

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Carefully read these instructions.

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Observe in particular the safety instructions, intended use and operating conditions.

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Persons, who work on the device, must read and understand these instructions.

1.1

Symbols

DANGER

Warns of an immediate danger.

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Failure to observe the warning will result in a fatal or serious injury.

WARNING

Warns of a potentially dangerous situation.

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Failure to observe the warning may result a fatal or serious injury.

CAUTION

Warns of a possible danger.

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Failure to observe the warning may result in moderate or minor injuries.

NOTE

Warns of damage to property.

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Failure to observe the warning may result in damage to device or system.

Indicates important additional information, tips and recommendations.

Refers to information in these operating instructions or in other documentation.

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Designates an instruction for risk prevention.

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Designates a procedure which you must carry out.

Indicates a result.

1.2

Definition of terms

In these instructions the term “device” denotes the following device types:
Control head Type 8691 REV.3
The term “büS” (Bürkert system bus) used in this instruction stands for the communication bus developed

by Bürkert and based on the CANopen protocol.

english

Type 8691 REV.3

Summary of Contents for 8691 REV.3

Page 1: ...Operating Instructions Type 8691 REV 3 Control Head ...

Page 2: ...the right to make technical changes without notice Technische Änderungen vorbehalten Sous réserve de modifications techniques Bürkert Werke GmbH Co KG 2022 Operating Instructions 2207 00_EU EN_00815428 Original DE ...

Page 3: ... Information on the Internet 10 4 4 Trademarks 10 5 PRODUCT DESCRIPTION 11 5 1 Structure 11 5 1 1 Structure integrated pilot air duct 21xx Element 11 5 1 2 Structure external pilot air duct 20xx Classic 11 5 1 3 Variants 12 5 2 Function 12 6 TECHNICAL DATA 13 6 1 Conformity 13 6 2 Standards 13 6 3 Approvals 13 6 4 Type label 14 6 4 1 Type label standard 14 6 4 2 UL type label 14 6 4 3 UL additiona...

Page 4: ...ng the device and position of connections 26 7 4 1 Turning the actuator devices with hexnut 27 7 4 2 Turning the actuator devices without hexnut 28 7 4 3 Turning the device 29 7 5 Installation on rotary actuators fromthird party manufacturers 30 8 PNEUMATIC INSTALLATION 31 8 1 Safety instructions 31 8 2 Connecting the device pneumatically 31 9 ELECTRICAL INSTALLATION 32 9 1 Safety instructions for...

Page 5: ...ürkert Communicator 44 10 4 IO Link 46 10 4 1 Information IO Link 46 10 4 2 Configuration of the fieldbus 46 10 5 büS 46 10 5 1 Information büS 46 10 5 2 Configuration of the fieldbus 46 10 6 AS Interface 47 10 6 1 Certification 47 10 6 2 Programming data 47 11 OPERATING AND DISPLAY ELEMENTS 48 11 1 Operating state 49 11 2 Functions of the operating and display elements 50 11 3 Status indicator 53...

Page 6: ... the air intake filter 58 13 DEINSTALLATION 59 13 1 Safety instructions deinstallation 59 13 2 Deinstallation 60 14 SPARE PARTS ACCESSORIES 61 14 1 Communications software 61 15 TRANSPORTATION STORAGE DISPOSAL 62 english Type 8691 REV 3 ...

Page 7: ...ing may result a fatal or serious injury CAUTION Warns of a possible danger Failure to observe the warning may result in moderate or minor injuries NOTE Warns of damage to property Failure to observe the warning may result in damage to device or system Indicates important additional information tips and recommendations Refers to information in these operating instructions or in other documentation...

Page 8: ...en using the device observe the permitted data operating conditions and application conditions This information can be found in the contractual documents the operating instructions and on the type label Use the device only in conjunction with third party devices and components recommended and autho rized by Bürkert Do not use the device outdoors without protection from the weather In potentially e...

Page 9: ...equipment To prevent injury ensure the following Secure device or system to prevent unintentional activation Only trained technicians may perform installation and maintenance work Perform installation and maintenance with suitable tools only Do not make any changes to the device and do not subject it to mechanical stress Operate the device only in perfect state and in consideration of the operatin...

Page 10: ...e internet at www burkert com 4 2 Warranty The warranty is only valid if the device is used as intended in accordance with the specified application conditions 4 3 Information on the Internet The operating instructions and data sheets for Bürkert products can be found on the Internet at www burkert com 4 4 Trademarks The brands listed below are trademarks of the corresponding companies association...

Page 11: ...ct 21xx Element The structure with integrated pilot air duct is optimized for mounting on process valves of the 21xx series Element Transparent cap Body casing Air intake filter Fastening screw Basic housing Figure 2 Structure integrated pilot air duct 5 1 2 Structure external pilot air duct 20xx Classic The structure with external pilot air duct is optimized for mounting on process valves of the ...

Page 12: ...ce AS Interface IO Link büS 5 2 Function This device is capable of controlling single acting and double acting process valves The pilot valves can be manually overridden An analog inductive sensor element provides feedback about end positions being reached The teach function is used for configuration Colored LEDs indicate the device status english Type 8691 REV 3 ...

Page 13: ...d in the EU type examination certificate and or the EU Declaration of Conformity if applicable 6 3 Approvals The product is approved for use in zone 2 and 22 in accordance with ATEX directive 2014 34 EU category 3GD Observe instructions on operation in the potentially explsive atmosphere See additional explosion related information The product is cULus approved Instructions on operation in the UL ...

Page 14: ...x operating pressure Type Control function pilot valve supply voltage pilot valve Barcode Serial number CE marking Ambient temperature version Figure 5 UL type label example 6 4 3 UL additional label Type 4X enclosure NEC Class 2 only Supply voltage 24 V Supply voltage device Circuit with limited power Degree of protection Figure 6 UL additional label example 6 5 Operating conditions Ambient tempe...

Page 15: ...ad G 1 8 6 5 2 Electrical data NOTE For variants with cULus approval please note Only use circuits of limited power as per UL NEC Class 2 6 5 2 1 Electrical data without fieldbus communication Protection class III as per DIN EN 61140 VDE 0140 1 Connection Supply Cable gland M16 x 1 5 wrench size 22 clamping area 5 10 mm with screw type terminals for cable cross sections 0 14 1 5 mm Circular plug i...

Page 16: ...lot valves For Port Class B max 50 mA only for Port Class B Actuator supply Pin 2 5 max 100 mA Communication software Bürkert Communicator Actuator supply is galvanically isolated from system supply in accordance with IEC 60664 and for electrical safety in accordance with SELV from IEC 61010 2 201 6 5 2 3 Electrical data büS Protection class 3 as per DIN EN 61140 VDE 0140 1 Connection Circular plu...

Page 17: ... valvel approx 0 8 W incl integrated watchdog function Current consumption System supply Pin 1 3 Without additional actuator supply and installed pilot valve max 110 mA 23 V With additional actuator supply AUX power or without pilot valve max 60 mA 23 V only with additional actuator supply AUX Power Pin 2 4 max 50 mA 24 V 10 Communication software Bürkert Communicator The power supply unit must in...

Page 18: ...rol function B up up up down double acting control function I down not defined Table 1 Safety end positions 6 7 Communication 6 7 1 IO Link Port Class A B IO Link specification V1 1 2 Supply via IO Link M12 x 1 5 pin A coded SIO Mode No IODD File see internet VendorID 0x0078 120 DeviceID see IODD file ProductID 8691 Class A 8691 Class B Transmission speed COM3 230 4 kbit s PD Input Bits 48 PD Outp...

Page 19: ...controlled start up of the system Secure system against unintentional activation Ensure that the system does not start up in an uncontrolled manner 7 2 Installing devices with integrated pilot air duct 21xx Element Only for devices without preinstalled process valve Required attachment kit ELEMENT Type 21xx NOTE Damage to the device and the actuator when welding bodies Observe the following during...

Page 20: ... can be damaged if incorrectly installed The lip seal is pre mounted in the guide element and must be locked into position in the undercut When installing the switch spindle do not damage the lip seal Slide switch spindle through the guide element NOTE Contamination of the lip seal due to screw locking paint Do not apply any screw locking paint to the switch spindle To secure the switch spindle ap...

Page 21: ... the puck and device so that 1 The puck rests in the guide rail of the device see Fig below 2 Find the connection pieces of the device into the pilot air ports of the actuator see second Fig below Guide rail Puck Figure 10 Aligning the puck Push the device without turning it onto the actuator until no gap is visible on the form seal NOTE Damage or malfunction due to ingress of dirt or moisture To ...

Page 22: ...e actuator when welding bodies Observe the following during installation on process valves with welded connection Observe the installation instructions for the operating manual of the process valve Before installing the device weld the process valve into the pipe system 1 Installing switch spindle Transparent cap Position indicator Actuator Figure 12 Installing the switch spindle 1 external pilot ...

Page 23: ...the actuator with a face pin wrench tightening torque max 8 Nm Tighten the switch spindle on the spindle of the actuator A slot is provided on the top side tightening torque max 1 Nm Push puck onto the switch spindle and lock into position 2 Installing the device Cover ring Figure 14 Attaching cover ring Wind cover ring onto actuator cover only for actuator size ø50 and ø63 NOTE Damage or function...

Page 24: ...device to the actuator using the two side fastening screws In doing so tighten the screws only hand tight max torque 1 5 Nm 3 Pneumatically connecting device and actuator Pilot air outlet 2 1 Pilot air outlet 2 2 Upper pilot air port Lower pilot air port Example 80 CFA Fastening screw Figure 16 Pneumatically connecting device and actuator Screw plug in hose connector onto device and actuator Using...

Page 25: ...Device Pilot air outlet 22 21 Actuator Upper pilot air port Lower pilot air port Control function I CFI Process valve open in resting position Device Pilot air outlet 22 21 Actuator Upper pilot air port Lower pilot air port Table 3 Pneumatically connecting device and actuator CFI In rest position means that the pilot valves of the device are isolated and not actuated If the ambient air is humid a ...

Page 26: ...ition of connections is only possible with 2100 2101 and 2106 process valves The device and position of the connections can be aligned by turning the actuator Devices with external pilot air duct The device and position of the connections can be aligned by turning the actuator only types 2000 2002 2006 and 2012 turning the device english Type 8691 REV 3 ...

Page 27: ...alves not yet installed NOTE Damage to the seat seal or the seat contour When turning the actuator the valve must be open For control function A and I Apply compressed air to pilot air port 1 Switching the device manually with pilot valve see chapter Using a suitable open end wrench counter the wrench flat on the body connection Place a suitable open end wrench on the hexagonal bolt of the actuato...

Page 28: ...nd I Apply compressed air to pilot air port 1 Switching the device manually with pilot valve see chapter Using a suitable open end wrench counter the wrench flat on the body connection Use a special wrench precisely in the key fit forms of the actuator DANGER Risk of injury from high pressure and discharge of medium If the direction of rotation is wrong the body connection may become detached Only...

Page 29: ...ice into the required position NOTE Damage or malfunction due to ingress of dirt or moisture To observe the degree of protection IP65 or IP67 Tighten fastening screws only with a tightening torque of max 1 5 Nm Screw in body casing to the stop Screw in transparent cap to the stop Only for CFA and CFB Connect the pilot air outlet which is not required to the free pilot air port of the actuator or s...

Page 30: ... as the actuator NOTE Damage or malfunction due to ingress of dirt or moisture To observe the degree of protection IP65 or IP67 Tighten fastening screws only with a tightening torque of max 0 5 Nm Attach the device to the actuator using both lateral fastening screws In doing so tighten the screws only lightly maximum tightening torque 0 5 Nm Fastening screws max 0 5 Nm Angle of rotation sensor Set...

Page 31: ...ir port label 3 Pilot air port label 1 Figure 23 Connecting the device pneumatically Important information for the problem free functioning of the device The installation must not cause back pressure to build up Select a hose with sufficient cross section for the connection Design the exhaust air line in such a way that no water or other liquid can get into the device through the exhaust air port ...

Page 32: ...up of the system Secure system against unintentional activation Ensure that the system does not start up in an uncontrolled manner Minimum temperature rating of the cable to be connected to the field wiring terminals 75 C 9 2 Electrical installation without fieldbus communication 9 2 1 Device with cable gland NOTE Breakage of the pneumatic connection pieces due to rotational impact When unscrewing...

Page 33: ... control DI Digital input valve control Table 4 Connection terminals NOTE Damage or malfunction due to ingress of dirt or moisture To observe the degree of protection IP65 or IP67 Tighten the union nut on the cable gland according to the cable size or dummy plugs used ca 1 5 Nm Screw in body casing to the stop Tighten union nut on the cable gland torque approx 1 5 Nm Check that the seal is correct...

Page 34: ...eactivated 3 Operating voltage 24 V 4 Operating voltage GND 5 Digital input valve control 6 Digital input valve control 7 Not assigned 8 Not assigned Table 5 Pin assignment 9 3 Connecting the device electrically IO Link Port Class A 1 2 3 4 5 Figure 27 Pin assignment Pin Designation Assignment IO Link mode SIO mode 1 L 24 V DC 2 I Q Not assigned DI or DO 3 L 0 V GND 4 Q C IO Link DI or DO 5 Not as...

Page 35: ...M24 0 V GND Actuator supply Table 7 Pin assignment 9 5 Connecting the device electrically büS 1 2 3 4 5 Figure 29 Pin assignment Pin Wire color Assignment 1 CAN plate shielding CAN plate shielding 2 red 24 V DC 10 max residual ripple 10 3 black GND CAN_GND 4 white CAN_H 5 blue CAN_L Table 8 Pin assignment For electrical installation with büS network note Use a 5 pin round plug and shielded 5 core ...

Page 36: ...ds to the bus connection of the M12 4 pin circular plug and can easily be connected to the flat cable terminal see Figure 31 Screws M12 plug in connector branch circuit Figure 31 Control head 8691 with multi pole cable and flat cable terminal 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 Th...

Page 37: ...10 Factory settings Depending on the device combination of actuator type and valve type it follows whether the process valve direction must be inverted so that the valve position closed open can be assigned to the actuator position Actuator with stroke movement of the switch spindle Valve opens when pressurized below Valve closes when pressurized at the top No adjustment required Valve closes when...

Page 38: ...rom above Rotational movement during aeration anticlockwise seen from above Valve opens when pressurized Valve closes when pressurized No adjustment required Valve opens when pressurized Valve closes when pressurized Invert process valve direction Table 12 Device combination english Type 8691 REV 3 ...

Page 39: ...play elements 0 s 10 s 30 s Inv ValveDir LED process valve direction inversion 2 2 enabled disabled Figure 34 Invert process valve direction Keep key 2 pressed for 10 s The green Inv ValveDir LED flashes for 10 s at 10 Hz When the green Inv ValveDir LED flashes for a shorter time release key 2 The valve direction inversion is enabled the green Inv ValveDir LED is lit The valve direction inversion ...

Page 40: ...and AS Interface variant the teach function can also be started via the bus com munication see respective parameter list or with all variants of the REV 3 versions with the Bürkert Communicator Essential requirements The device is mounted on the actuator The supply voltage is connected The compressed air supply is connected So that the correct reference conditions are identified the pilot pressure...

Page 41: ...D start flashing faster 10 Hz release key 1 within the next 5 s The status indicator flashes orange while the automatic teach function is running function check When the status indicator stops flashing orange the teach function is complete The end positions of the valve have been identified and saved Note If the status indicator is lit red the teach function is faulty and must be repeated Check th...

Page 42: ...ective parameter list or with all variants of the REV 3 versions with the Bürkert Communicator Essential requirements The device is mounted on the actuator The supply voltage is connected The compressed air supply is connected So that the correct reference conditions are identified the pilot pressure must correspond to the operating conditions Provide the possibility for the user to switch the pne...

Page 43: ...matic actuator is in the deaerated unactuated end position Confirm this end position by briefly pressing key 1 Yellow Pilot LED is lit Move the pneumatic actuator into the aerated switched end position Confirm this end position by briefly pressing key 1 Yellow Pilot LED is not lit Air bleed the pneumatic actuator move to the unactuated end position When the status indicator stops flashing orange t...

Page 44: ...n with the communicator The device waits for the first switching of the pilot valve and outputs a Warning If the pilot valve is switched for the first time the first end position is determined The process valve moves to the second end position The process valve must remain in this second end position for at least 1 second then this second end position is determined Both end positions are saved and...

Page 45: ...sert micro USB plug in büS service interface Establish connection to PC with büS stick Starting Bürkert Communicator Implementing settings Check that the seal body casing is in the correct position NOTE Damage or malfunction due to ingress of dirt or moisture To observe the degree of protection IP65 or IP67 Screw in body casing to the stop Close the device see accessories for assembly tool Devices...

Page 46: ...onfiguration of the fieldbus The required start up files and the description of the process data and acyclic parameters are available on the Internet Download from www burkert com Type 8691 Software 10 5 büS 10 5 1 Information büS büS is a system bus developed by Bürkert with a communication protocol based on CANopen 10 5 2 Configuration of the fieldbus The required start up files and the descript...

Page 47: ...2 Programming data AS Interface 31 slaves AS Interface 62 slaves I O Konfiguration B hex 1 output 2 inputs ID code F hex A hex Extended ID code 1 F hex 7 hex Extended ID code 2 F hex E hex Profile S B F F S B A E Table 13 Programming data Bit configuration Data bit D3 D2 D1 D0 Input 0 End position above not reached 1 End position above reached 0 End position below not reached 1 End position below ...

Page 48: ...ey Description of the functions 1 Press for 5 10 s start automatic teach function Press for 10 s start manual teach function 2 Press briefly only in MANUAL operating state Switch pilot valve on off Press for 10 30 s Enable disable process valve direction inversion 1 and 2 Press both for 2 10 s Switch MANUAL AUTO Press both for 10 30 s Start device restart Press both for 30 s Reset device to factor...

Page 49: ...owly for 10 s Release key start manual teach function Pilot LED yellow and Manual LED red and Inv ValveDir LED green All flash at 5 Hz for 10 30 s device restart started All flash at 10 Hz for 30 s the device is reset to factory settings AS Interface only ASi PWR LED green Display of ASi Power ASi FAULT LED red Display of ASi Fehler Table 16 Display elements 11 1 Operating state To operate the but...

Page 50: ...the device Open the device NOTE Breakage of the pneumatic connection pieces due to rotational impact When unscrewing and screwing in the body casing do not hold the actuator of the process valve but the basic housing Unscrew the body casing stainless steel in an anticlockwise direction Close the device Check that the seal body casing is in the correct position NOTE Damage or malfunction due to ing...

Page 51: ...0 Hz release keys 1 and 2 within the next 5 s MANUAL operating state the red manual LED is lit and the status indicator flashes orange AUTO operating state the red manual LED and the status indicator is not lit Switch pilot valve only possible in MANUAL operating state 0 s 5 s Pilot LED Pilot valve 2 2 on off Manual LED Operating state MANU Status indicator Figure 46 Switch pilot valve Briefly pre...

Page 52: ...red manual LED flashes more slowly again 5 Hz release keys 1 and 2 within the next 20 s The device will restart Factory reset 0 s 2 s 10 s Manual LED Inv ValveDir LED Factory reset 1 2 1 2 Pilot LED 30 s Figure 48 Factory reset Keep keys 1 and 2 pressed for 30 s The red manual LED flashes for approx 2 s at 5 Hz then at 10 Hz then again at 10 Hz When the red manual LED flashes faster again 10 Hz re...

Page 53: ... also be started via the bus com munication see respective parameter list or with all variants of the REV 3 versions with the Bürkert Communicator The description for setting the LED mode can be found in the section Setting the LED mode in the operating manual 11 4 Description of the LED modes 11 4 1 Valve mode Displays in valve mode Valve position open half way closed Valve position Valve positio...

Page 54: ... is displayed Valve position Valve position status color Device status Error status color Open is lit yellow blinks alternately red and yellow Half way LED off blinks alternately red and white Closed is lit green blinks alternately red and green Table 19 Valve mode errors warnings part 1 Valve position Valve position status color Device status Function control status color Open is lit yellow blink...

Page 55: ...hest priority is displayed The priority is determined by the severity of the deviation from controlled operation red LED failure highest priority Status display in accordance with NE 107 edition 2006 06 12 Color Color code Status Description Red 5 Outage error or malfunction Normal operation is not possible due to a mal function in the device or on its peripheral equipment Orange 4 Function check ...

Page 56: ...enu or function Values or description Device General settings Parameter Status LED Mode NAMUR mode Valve mode Valve mode Warnings Fixed color LED off Setting the LED mode status indicator Status LED Mode Possible selection NAMUR mode Valve mode Valve mode Warnings Fixed color LED off Select mode The mode is set english Type 8691 REV 3 ...

Page 57: ...ckwise Manual override Pilot valve Basic housing Figure 51 Manually switching the device NOTE Damage to the manual override by pressing and rotating at the same time Do not simultaneously press and turn manual override Switching the positions for manual override Lock function 90 rotation maintained contact switching Normal position Push function Pressing brief actuation Figure 52 Manual override S...

Page 58: ...n connector O ring Figure 53 Servicing the air intake filter DANGER Risk of injury from high pressure and discharge of medium Before working on the device or system switch off the pressure Vent or drain lines Unclamp the push in connector by pressing the collet then pull out the air intake filter If necessary use a suitable tool between the recesses in the head of the air intake filter Clear or if...

Page 59: ...he power supply Secure against reactivation Observe applicable accident prevention and safety regulations for electrical equipment WARNING Risk of injury due to improper deinstallation Only trained technicians may perform deinstallations Perform deinstallations with suitable tools only WARNING Risk of injury due to unintentional activation and uncontrolled start up of the system Secure system agai...

Page 60: ... the device Pneumatically deinstalling the device Disconnect pilot air port When exhaust air port connected Disconnect exhaust air port With external control air duct Classic Disconnect the pneumatic connection to the actuator Electrically deinstalling the device Devices with circular plug in connector Disconnect the circular plug Mechanically deinstalling the device Release the fastening screws P...

Page 61: ...04 büS cable extension M12 pin to M12 socket length 3 m 772405 büS cable extension M12 pin to M12 socket length 5 m 772406 büS cable extension M12 pin to M12 socket length 10 m 772407 Connection cable PUR with socket M12 x 1 8 pin length 2 m 919061 Table 24 Accessories 14 1 Communications software The Bürkert Communicator PC program is designed for communication with Type 8691 devices For question...

Page 62: ...tted storage temperature NOTE Incorrect storage may damage the device Store the device in a dry and dust free location Storage temperature 20 to 65 C NOTE Damage to the environment caused by device components contaminated with media Dispose of the device and packaging in an environmentally friendly manner Observe applicable disposal and environmental regulations Observe national regulations on the...

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