BECKHOFF EL6900-FB - Manual (Page 3)

Table of contents
Function blocks for TwinSAFE logic terminals 1
Table of contents
1 Foreword 5
1.1 Notes on the manual 5
1.1.1 Disclaimer 5
1.1.2 Brands 5
1.1.3 Patents 5
1.1.4 Copyright 5
1.1.5 Delivery conditions 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
1.2.4 Origin of the document 7
1.2.5 Documentation issue status 8
2 System description 9
2.1 TwinSAFE logic terminals EL6900/KL6904 9
2.1.1 TwinSAFE group 9
2.1.2 TwinSAFE connection 11
2.1.3 System diagnosis 11
3 Function blocks 17
3.1 The AND function block 17
3.1.1 Functional description 17
3.1.2 Signal description 18
3.1.3 FB AND configuration in the TwinCAT System Manager 20
3.2 The OR function block 21
3.2.1 Functional description 21
3.2.2 Signal description 22
3.2.3 FB OR configuration in the TwinCAT System Manager 24
3.3 The OPMODE function block 25
3.3.1 Functional description 25
3.3.2 Signal description 26
3.3.3 FB OPMODE configuration in the TwinCAT System Manager 29
3.4 The ESTOP function block 30
3.4.1 Functional description 30
3.4.2 Signal description 31
3.4.3 FB ESTOP configuration in the TwinCAT System Manager 33
3.5 The MON function block 35
3.5.1 Functional description 35