Siemens SINUMERIK 840D sl Function Manual page 6

Table of contents
3.3 Safety technology integrated in the drive...............................................................................36
3.3.1 Overview of the safety functions integrated in the drive.........................................................38
3.4 Comparison of the function names........................................................................................38
4 System features..........................................................................................................................................41
4.1 System requirements.............................................................................................................41
4.2 Current information................................................................................................................43
4.3 Certifications..........................................................................................................................44
4.4 Probability of failure................................................................................................................44
4.5 Safety information & instructions and residual risks...............................................................44
4.5.1 General residual risks for PDS (Power Drive Systems).........................................................44
4.5.2 Additional safety information & instructions and residual risks for Safety Integrated.............46
5 Safety Functions integrated in the drive.....................................................................................................51
5.1 General information about SINAMICS Safety Integrated.......................................................51
5.1.1 Explanations and terminology................................................................................................51
5.1.2 Supported functions...............................................................................................................52
5.1.3 Supported functions: HLA module.........................................................................................53
5.1.4 Parameter, checksum, version, password.............................................................................54
5.1.5 Forced checking procedure....................................................................................................56
5.2 Safety instructions..................................................................................................................57
5.3 Safe Torque Off (STO)...........................................................................................................58
5.4 Safe Stop 1 (SS1, time-controlled).........................................................................................61
5.4.1 SS1 (time-controlled) with OFF3............................................................................................61
5.4.2 SS1 (time-controlled) with external stop................................................................................63
5.4.3 Overview of important parameters.........................................................................................63
5.5 Safe Brake Control (SBC)......................................................................................................64
5.6 Control via terminals on the Control Unit and the power unit.................................................66
5.6.1 Features.................................................................................................................................66
5.6.2 Simultaneity and tolerance time of the two monitoring channels...........................................68
5.6.3 Bit pattern test........................................................................................................................69
5.7 Commissioning the STO, SBC and SS1 functions.................................................................70
5.7.1 General information about commissioning safety functions...................................................70
5.7.2 Sequence when commissioning STO, SBC and SS1............................................................71
5.7.3 Safety faults...........................................................................................................................75
5.8 Acceptance test and acceptance report.................................................................................77
5.9 Overview of parameters and function diagrams.....................................................................77
5.10 Connecting external SINAMICS drives as PLC/NC axes.......................................................78
6 Basics regarding the safety functions integrated in the system/drive.........................................................81
6.1 Monitoring cycle.....................................................................................................................81
6.2 Crosswise data comparison (CDC)........................................................................................81
6.3 Forced checking procedure....................................................................................................82
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Function Manual, 12/2017, 6FC5397-4BP40-6BA1
Safety Integrated