Burkert 8681 - Page 25

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Technical Data

Securing the hood

withleadseal(max.Ø2)

Sealed

M16x1.5(2x)

Fig. 5: Dimensional drawing (for models without solenoid valves = feedback top)

Weight: Approx. 0.8 kg

Housing material: exterior: PA, PC, PPO, VA

inside:  ABS,PA,PMMA

Sealing material: exterior: CR, EPDM

inside:  EPDM,FKM,NBR

english

Control Head Type 8681

Main Page

Default Chapter3
- Table of Contents3
1 Operating Instructions10
- Symbols10
- Definition of Terms: "Device" and "Büs10
2 Authorised Use11
3 Basic Safety Instructions12
4 General Information14
- Contact Address14
- Warranty14
- Information and Instructions on the Internet14
5 System Description15
- Intended Application Area15
- General Description15
- Functions / Options / Variants16
6 Technical Data21
- Operating Conditions21
- Conformity / Standards21
- Type Label22
- Additional Warning Signs23
- Mechanical Data24
- Pneumatic Data26
- Position Measuring System Data27
- Factory Settings in the Firmware28
- Resetting the Device (Device Reset)30
7 Assembly31
- Safety Instructions31
- Assembly of the Control Head31
8 Opening and Closing the Housing35
- Safety Instructions35
  - Opening the Housing35
  - Closing the Housing36
9 Pneumatic Installation37
- Safety Instructions37
- Pneumatic Connection of the Control Head37
- Flow Restriction Function of the Solenoid Valves38
600 DC - Design40
- Electrical Connection Options40
- Electrical Data40
- Design Aid42
- Safety Instructions43
- Electrical Installation / Start-Up43
  - Cable Gland with Screw Terminals43
  - Multi-Pole Connection46
11 Ac - Design47
- Electrical Connection Options47
- Electrical Data47
- Design Aid48
- Safety Instructions49
- Electrical Installation / Start-Up50
12 As Interface - Design53
- Definition53
- Electrical Connection Options For As Interface54
- Number Of Connectable Control Heads54
- Maximum Length Of The Bus Line54
- Electrical Data55
- Design Aid57
- Safety Instructions58
- Electrical Installation Of The As Interface59
- Programming Data61
13 Devicenet - Design62
- Definition62
- Electrical Connection Option62
- Devicenet Specification62
  - Total Line Length And Maximum Line Length According To Devicenet Specification63
  - Drop Line Length63
- Electrical Data64
- Safety Position If The Bus Fails64
- Design Aid65
- Safety Instructions66
- Electrical Installation - Devicenet66
- Network Topology Of A Devicenet System68
- Configuring The Devicenet Address / Baud Rate68
  - 13.10.1 Settings of the Devicenet Address69
  - 13.10.2 Setting the Baud Rate70
- Configuration Of The Process Data70
  - Static Input Assemblies70
  - 13.11.2 Static Output Assembly71
- Configuration Of The Device71
  - Configuration of the Safety Position of Solenoid Valves During a Bus Error71
  - 13.12.2 Configuration Example72
- Display Of The Status Leds In The Event Of A Bus Error73
  - 13.13.1 Status of the Device Status LED "Modules73
  - 13.13.2 Status of Bus Status LED "Network74
14 Io-Link - Design75
- Network Principle / Interfaces75
- Quickstart For Type 8681 Io-Link76
- Technical Data / Specification76
- IO-Link Master / Communication / Configuration77
- Electrical Data Form The Control Head (Io-Link)77
- Software / Firmware Updates84
  - Software84
  - Firmware Updates84
- Safety Position If The Bus Fails84
15 Büs/Can Open-Design85
- Definition85
- Network Principle / Interfaces85
- Quickstart For Type 8681 Büs/Canopen87
- Büs/Canopen Specification88
  - General Data88
  - Total Line Length and Drop Line Lengths of the Bus Cables88
- Electrical Connection Options89
- Electrical Data Of The Control Head89
- Safety Position If The Bus Fails90
- Design Aid91
- Installation - Safety Instructions92
- Gateway92
- Gateway Installation92
- Electrical Installation - Büs/Canopen93
  - 15.12.1 Electronic Module Büs/Canopen94
  - 15.12.2 Terminal Strip Configuration94
  - 15.12.3 Details on the DIP Switches for Colour Coding94
- Network Topology of a Büs / Canopen System95
- Configuring The Node ID / Baud Rate95
  - 15.14.1 Setting the Baud Rate96
  - Setting the Büs/Canopen Address (Node ID)97
  - Factory Settings of the Control Head Regarding the Gateway Configuration99
  - Central Configuration Management (Configuration Client)100
- Changing The Gateway Ip Address100
  - 15.15.1 Changing the Gateway IP Address Using Web Server100
  - Changing the Gateway IP Address Using "Bürkert Communicator102
  - 15.15.3 Changing the Gateway IP Address Via Logix Designer103
  - 15.15.4 Changing the Gateway IP Address Using RS Linx106
- Registration Of A Gateway Via Logix Designer107
- Installation Of A Gateway Via Logix Designer108
- Configuration Of The Control Head Network110
- 15.18.1 "Hide Function" Via Software "Logix Designer110
- 15.18.2 "Hide Function" Via "Bürkert Communicator111
- Description Of The (Cyclical) I/O Data113
- Access To Parameters (Read / Write)114
  - 15.20.1 Parameter - Reading Via Logix Designer114
  - 15.20.2 Parameters - Writing Via Logix Designer116
  - 15.20.3 Access to Parameters Via Bürkert Communicator116
  - Access to Further Parameters (Cyclic and Acyclic)117
- Display Of The Status Leds For Bus Error118
- 15.22 Firmware Updates119
16 Accessories for Büs Devices120
17 Cabling Examples (Büs/Canopen)122
18 Connection of an External Initiator125
19 Special Designs127
- Control Head For Double-Acting Actuators127
- Control Head (As-I) With 2 External Initiators128
  - Anomalies128
  - Electrical Installation and Programming Data128
20 Position Measuring System129
- Setting The Position Measuring System (Teach Procedure)130
- Teach Buttons / Teach Functions131
21 Led Colour Assignments136
- Display Modi - Overview136
- Device Specific Led Mode "8681 Classic Mode138
- Flashing Pattern & Fault Signalling143
- Signal Priorities148
  - When Several Statuses Overlap for One Valve148
  - When Position Feedback Overlaps148
22 Service Mode / Manual Override151
- Magnetic Manual Override151
- Mechanical Manual Override152
23 Maintenance, Troubleshooting153
- Safety Instructions153
- Safety Positions154
- Maintenance / Service155
- Cleaning155
- Malfunctions155
24 Replacement of Components and Modules157
- Safety Instructions157
- Changing The Electronic Module158
- Changing The Valves159
- Changing The Position Measuring System160
25 Shutdown163
- Safety Instructions163
- Dismantling The Control Head Type 8681163
26 Packaging and Transport164
27 Storage164
28 Disposal164

Burkert 8681 - Page 25

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