Beckhoff EL2911, Operating Instructions Manual

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Table of contents
EL2911 3 Version: 1.0.0
Table of contents
1 Foreword .................................................................................................................................................... 5
1.1 Notes on the documentation.............................................................................................................. 5
1.2 Safety instructions ............................................................................................................................. 6
1.2.1 Delivery state ..................................................................................................................... 6
1.2.2 Operator's obligation to exercise diligence ........................................................................ 6
1.2.3 Description of safety symbols ............................................................................................ 7
1.3 Documentation issue status .............................................................................................................. 7
1.4 Version history of the TwinSAFE product .......................................................................................... 8
2 System description ................................................................................................................................... 9
2.1 The Beckhoff EtherCAT Terminal system ......................................................................................... 9
2.1.1 EtherCAT Bus Coupler .................................................................................................... 10
2.1.2 EtherCAT Terminals ........................................................................................................ 11
2.1.3 E-bus ............................................................................................................................... 11
2.1.4 Power contacts ................................................................................................................ 11
2.2 TwinSAFE........................................................................................................................................ 12
2.2.1 The I/O construction kit is extended safely ...................................................................... 12
2.2.2 Safety concept ................................................................................................................. 12
2.2.3 The fail-safe principle (Fail Stop) ..................................................................................... 13
3 Product description................................................................................................................................. 14
3.1 EL2911 - TwinSAFE potential supply terminal with 4 digital fail-safe inputs ................................... 14
3.2 Intended use .................................................................................................................................... 15
3.3 Requirements for the potential group .............................................................................................. 17
3.4 Technical data ................................................................................................................................. 19
3.5 Safety parameters ........................................................................................................................... 20
3.6 Safe inputs and outputs ................................................................................................................... 20
3.7 Characteristic curve of the inputs .................................................................................................... 20
3.8 Dimensions ...................................................................................................................................... 21
4 Operation.................................................................................................................................................. 22
4.1 Environmental conditions ................................................................................................................ 22
4.2 Installation ....................................................................................................................................... 22
4.2.1 Safety instructions ........................................................................................................... 22
4.2.2 Transport / storage .......................................................................................................... 22
4.2.3 Mechanical installation..................................................................................................... 22
4.2.4 Electrical installation ........................................................................................................ 29
4.3 Configuration of the terminal in TwinCAT ........................................................................................ 34
4.3.1 Inserting a Bus Coupler ................................................................................................... 34
4.3.2 Inserting a Bus Terminal.................................................................................................. 34
4.3.3 Adding an EL2911 ........................................................................................................... 34
4.3.4 Using the integrated TwinSAFE Logic functions.............................................................. 35
4.3.5 Address settings on TwinSAFE terminals with 1023 possible addresses ....................... 36
4.3.6 Alias devices.................................................................................................................... 37
4.3.7 EL2911 parameters in TwinCAT...................................................................................... 38
4.3.8 EL2911 process image .................................................................................................... 41