Table of contents
EL1918 and EL1918-2200 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 .........................................................................................8
1.4 References........................................................................................................................................8
1.5 Staff qualification...............................................................................................................................9
1.6 Safety and instruction......................................................................................................................10
1.6.1 Explanation of symbols ....................................................................................................10
1.7 Beckhoff Support and Service.........................................................................................................11
2 For your safety ........................................................................................................................................12
2.1 Duty of care.....................................................................................................................................12
2.2 Safety image signs..........................................................................................................................13
2.3 General safety instructions..............................................................................................................14
2.3.1 Before operation...............................................................................................................14
2.3.2 In operation ......................................................................................................................15
2.3.3 After operation..................................................................................................................15
3 System description .................................................................................................................................16
3.1 The Beckhoff EtherCAT Terminal system.......................................................................................16
3.1.1 EtherCAT Bus Coupler.....................................................................................................17
3.1.2 EtherCAT Terminals.........................................................................................................18
3.1.3 E-bus................................................................................................................................19
3.1.4 Power contacts.................................................................................................................19
3.2 TwinSAFE .......................................................................................................................................19
3.2.1 The I/O construction kit is extended safely ......................................................................19
3.2.2 Safety concept .................................................................................................................19
3.2.3 The fail-safe principle (Fail Stop) .....................................................................................20
4 Product description ................................................................................................................................21
4.1 EL1918 and EL1918-2200 ..............................................................................................................21
4.2 Intended use ...................................................................................................................................22
4.3 Technical data.................................................................................................................................24
4.4 Safety parameters...........................................................................................................................25
4.5 Safe input ........................................................................................................................................25
4.6 Characteristic curve of the inputs....................................................................................................26
4.7 Dimensions .....................................................................................................................................27
5 Operation .................................................................................................................................................28
5.1 Environmental conditions ................................................................................................................28
5.2 Installation .......................................................................................................................................28
5.2.1 Safety instructions............................................................................................................28
5.2.2 Transport / storage...........................................................................................................28
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