Siemens SINUMERIK 808D - Safety Instructions; Fundamental Safety Instructions

Function Manual
01/2017
3
Table of contents
Preface ................................................................................................................................................................... 2
1 Fundamental safety instructions ............................................................................................................................ 10
1.1 General safety instructions .................................................................................................................... 10
1.2 Industrial security .................................................................................................................................. 10
2 Introduction........................................................................................................................................................... 11
3 Various interface signals (A2) ................................................................................................................................ 12
3.1 General .................................................................................................................................................. 12
3.2 Signals from PLC to NCK ...................................................................................................................... 13
3.2.1 Access authorization ............................................................................................................................. 13
3.2.2 General signals ..................................................................................................................................... 13
3.2.3 Signals for digital drives, to axis/spindle ................................................................................................ 15
3.3 Signals from NCK to PLC ...................................................................................................................... 15
3.3.1 General signals ..................................................................................................................................... 15
3.3.2 Signals for digital drives, from axis/spindle ............................................................................................ 16
3.4 Signals from PLC to HMI ....................................................................................................................... 16
3.5 Signals from HMI to PLC ....................................................................................................................... 17
3.6 User interface ........................................................................................................................................ 18
3.6.1 General (OF) ......................................................................................................................................... 18
3.6.2 PI service ASUP .................................................................................................................................... 19
3.6.3 Reading variables from the NCK area ................................................................................................... 19
3.6.4 Writing variables from the NCK area ..................................................................................................... 20
3.7 NC variable ............................................................................................................................................ 21
3.8 Signals from PLC .................................................................................................................................. 23
4 Axis monitoring (A3) .............................................................................................................................................. 24
4.1 Overview of monitoring functions .......................................................................................................... 24
4.2 Running monitoring ............................................................................................................................... 24
4.2.1 Contour monitoring ................................................................................................................................ 24
4.2.2 Position monitoring ................................................................................................................................ 25
4.2.3 Standstill monitoring .............................................................................................................................. 26
4.2.4 Clamping monitoring.............................................................................................................................. 26
4.2.5 Speed setpoint monitoring ..................................................................................................................... 27
4.2.6 Actual velocity monitoring ...................................................................................................................... 28
4.3 Static limitation monitoring ..................................................................................................................... 28
4.3.1 Limit switch monitoring .......................................................................................................................... 28
4.3.2 Hardware limit switches ......................................................................................................................... 29
4.3.3 Software limit switches .......................................................................................................................... 29
4.4 Supplementary conditions ..................................................................................................................... 30
4.5 Data table .............................................................................................................................................. 30
4.5.1 Machine data ......................................................................................................................................... 30
4.5.2 Interface signals .................................................................................................................................... 31
5 Continuous path mode, exact stop, and LookAhead (B1) ....................................................................................... 31
5.1 Brief description ..................................................................................................................................... 31
5.2 General .................................................................................................................................................. 32
5.3 Exact stop .............................................................................................................................................. 32
5.4 Continuous path mode .......................................................................................................................... 33
5.4.1 General .................................................................................................................................................. 33
5.4.2 Velocity reduction according to overload factor ..................................................................................... 34
5.4.3 Jerk limiting along the path through velocity reduction .......................................................................... 35
5.4.4 Machine axis-specific jerk limiting ......................................................................................................... 35