Siemens SINUMERIK 840C - Page 12

9.3 Function generator (axis and spindle - as from SW 3) . . . . . . . . . . . 9–23
9.3.1 Function generator (axis and spindle) - signal parameters
(as from SW 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–24
9.3.2 Additional information (notes) on measurement and signal
parameters (as from SW 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–25
9.3.3 Signal waveforms of function generator (SW 3) . . . . . . . . . . . . . . . . 9–26
9.4 Mixed I/O configuration and digital-analog converter, DAC
(as from SW 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–33
9.5 Quadrant error compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–39
9.5.1 General comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–39
9.5.2 Circularity test (option - SW 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–39
9.5.3 Conventional quadrant error compensation (as from SW 2) . . . . . . . . 9–44
9.5.3.1 Installation without adaptation characteristic . . . . . . . . . . . . . . . . . . 9–44
9.5.3.2 Installation with adaptation characteristic . . . . . . . . . . . . . . . . . . . . . 9–48
9.5.4 Neural quadrant error compensation (QEC - SW 4) . . . . . . . . . . . . . 9–50
9.5.4.1 Start-up of neural QEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–55
9.5.4.2 Further optimization and intervention options . . . . . . . . . . . . . . . . . . 9–58
9.5.4.3 Power ON/OFF - monitoring function - special functions (SW 4) . . . . 9–63
9.6 SERVO trace (SW 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–64
9.6.1 Selection of measured signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–66
9.6.2 SERVO trace display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–68
10 Axis and Spindle Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–1
10.1 Determining sampling interval and interpolation time . . . . . . . . . . . . 10–1
10.2 Axis-specific resolutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–4
10.2.1 General remarks on the axis-specific resolutions . . . . . . . . . . . . . . . 10–4
10.2.2 Input, display and position control resolution . . . . . . . . . . . . . . . . . . 10–4
10.2.3 Resolution block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–6
10.2.4 Resolution codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–7
10.2.5 Permissible resolution combinations . . . . . . . . . . . . . . . . . . . . . . . . 10–8
10.2.6 The influence of resolution on velocity . . . . . . . . . . . . . . . . . . . . . . 10–9
10.2.7 Maximum velocity for thread cutting . . . . . . . . . . . . . . . . . . . . . . . . 10–11
10.2.8 Maximum traversing range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–12
10.2.9 Influence on the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–15
10.2.10 Influence on the modes/function . . . . . . . . . . . . . . . . . . . . . . . . . . 10–15
10.3 BERO (SW 4 and higher) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–18
10.4 Axis installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–19
10.4.1 Drive optimization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–19
10.4.1.1 Checking and setting the control direction of the feed axes . . . . . . . . 10–19
10.4.1.2 Speed setpoint matching/tacho compensation . . . . . . . . . . . . . . . . . 10–21
10.4.1.3 Servo gain factor KV NC MD 252* . . . . . . . . . . . . . . . . . . . . . . . . . 10–24
10.4.1.4 Acceleration NC MD 276* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–26
10.4.1.5 Jerk limitation (as from SW 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–28
10.4.1.6 Position monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–30
10.4.1.7 Dynamic contour monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–31
10.4.2 Drift compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–32
10.4.3 Axis traversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–33
10.4.3.1 Traversing in jog mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–33
10.4.3.2 Program-controlled traversing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–34
10.4.4 Reference point approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10–35
10.4.4.1 Reference point approach without automatic direction recognition . . . 10–35
10.4.4.2 Reference point approach with automatic direction recognition . . . . . 10–38
10.4.4.3 Program-controlled reference point approach . . . . . . . . . . . . . . . . . 10–39
10.4.4.4 Referencing without programmed motion (with SW 4 and higher) . . . 10–40
10.4.4.5 Setting reference dimension by a PLC request (SW 4 and higher) . . . 10–41
10.4.5 Distance-coded reference marks . . . . . . . . . . . . . . . . . . . . . . . . . . 10–43
10.4.5.1 Initial installation of distance-coded reference marks . . . . . . . . . . . . 10–45