Table of contents
EL2912 and EL2912-2200 3Version: 2.0.0
Table of contents
1 Notes on the documentation....................................................................................................................5
1.1 Disclaimer..........................................................................................................................................5
1.1.1 Trademarks........................................................................................................................5
1.1.2 Patents...............................................................................................................................5
1.1.3 Limitation of liability............................................................................................................6
1.1.4 Copyright............................................................................................................................6
1.2 Documentation issue status ..............................................................................................................7
1.3 Version history of the TwinSAFE product .........................................................................................7
1.4 Staff qualification...............................................................................................................................7
1.5 Safety and instruction........................................................................................................................9
1.5.1 Explanation of symbols ......................................................................................................9
1.6 Beckhoff Support and Service.........................................................................................................10
2 For your safety ........................................................................................................................................11
2.1 Duty of care.....................................................................................................................................11
2.2 Safety image signs..........................................................................................................................12
2.3 General safety instructions..............................................................................................................13
2.3.1 Before operation...............................................................................................................13
2.3.2 In operation ......................................................................................................................13
2.3.3 After operation..................................................................................................................13
3 System description .................................................................................................................................14
3.1 The Beckhoff EtherCAT Terminal system.......................................................................................14
3.1.1 EtherCAT Bus Coupler.....................................................................................................15
3.1.2 EtherCAT Terminals.........................................................................................................16
3.1.3 E-bus................................................................................................................................17
3.1.4 Power contacts.................................................................................................................17
3.2 TwinSAFE .......................................................................................................................................17
3.2.1 The I/O construction kit is extended safely ......................................................................17
3.2.2 Safety concept .................................................................................................................17
3.2.3 The fail-safe principle (Fail Stop) .....................................................................................18
4 Product description ................................................................................................................................19
4.1 EL2912 and EL2912-2200 ..............................................................................................................19
4.2 Intended use ...................................................................................................................................20
4.3 Technical data.................................................................................................................................22
4.4 Safety parameters...........................................................................................................................24
4.5 Safe output......................................................................................................................................25
4.6 Fuse ................................................................................................................................................25
4.7 Dimensions .....................................................................................................................................25
4.8 EL2912: using the integrated TwinSAFE Logic functions ...............................................................26
4.8.1 Project design limits for the EL2912.................................................................................26
5 Operation .................................................................................................................................................28
5.1 Environmental conditions ................................................................................................................28
5.2 Installation .......................................................................................................................................28
5.2.1 Safety instructions............................................................................................................28
