Siemens SINUMERIK 840Di Function Manual page 69

Contents
1 Brief Description ..................................................................................................................................... 1-1
1.1 Axis monitoring functions ........................................................................................................... 1-1
1.2 Protection zones ........................................................................................................................ 1-1
2 Detailed Description................................................................................................................................ 2-1
2.1 Motion monitoring functions ....................................................................................................... 2-1
2.1.1 Contour monitoring .................................................................................................................... 2-1
2.1.2 Following Error Monitoring ......................................................................................................... 2-2
2.1.3 Positioning monitoring................................................................................................................ 2-3
2.1.4 Zero speed monitoring ............................................................................................................... 2-5
2.1.5 Exact stop and standstill tolerance dependent on the parameter set........................................ 2-6
2.1.6 Clamping monitoring .................................................................................................................. 2-7
2.1.7 Speed setpoint monitoring ....................................................................................................... 2-14
2.1.8 Actual velocity monitoring ........................................................................................................ 2-15
2.2 Encoder Monitoring.................................................................................................................. 2-16
2.2.1 Encoder limit frequency monitoring ......................................................................................... 2-16
2.2.2 Zero mark monitoring............................................................................................................... 2-18
2.2.3 Hardware faults and contamination signal............................................................................... 2-21
2.3 Monitoring of static limits.......................................................................................................... 2-22
2.3.1 Overview of the limit switch monitoring.................................................................................... 2-22
2.3.2 Hardware limit switches ........................................................................................................... 2-22
2.3.3 Software limit switch ................................................................................................................ 2-23
2.3.4 Working area limitation ............................................................................................................ 2-25
2.4 Protection zones ...................................................................................................................... 2-29
2.4.1 General .................................................................................................................................... 2-29
2.4.2 Types of protection zone.......................................................................................................... 2-30
2.4.3 Definition via part program instruction ..................................................................................... 2-33
2.4.4 Definition via system variable .................................................................................................. 2-36
2.4.5 Activation and deactivation of protection zones....................................................................... 2-39
2.4.6 Protection zone violation and temporary enabling of individual protection zones ................... 2-42
2.4.7 Restrictions in protection zones ............................................................................................... 2-48
3 Supplementary Conditions...................................................................................................................... 3-1
3.1 Axis monitoring functions ........................................................................................................... 3-1
4 Examples................................................................................................................................................ 4-1
4.1 Definition and activation of protection zones ............................................................................. 4-1
5 Data Lists................................................................................................................................................ 5-1
5.1 Machine data.............................................................................................................................. 5-1
5.1.1 NC-specific machine data .......................................................................................................... 5-1
5.1.2 Channelspecific machine data ................................................................................................... 5-1
5.1.3 Axis/spindlespecific machine data ............................................................................................. 5-2
5.2 Setting data ................................................................................................................................ 5-3
Axis Monitoring, Protection Zones (A3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
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