HEIDENHAIN TNC 306 Technical Manual - Manual (Page 101)

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TNC 406/TNC 306 4-1
Machine integration — Contents 4
1 Machine axes 4-5
1.1 Measuring systems 4-5
1.1.1 Signal period 4-5
1.1.2 Direction of traverse 4-7
1.1.3 Encoder monitoring 4-8
1.2 Axis designation 4-10
1.2.1 Assignment 4-11
1.2.2 Current tool axis 4-12
1.3 VDU display 4-12
1.4 Software limit switch 4-13
1.5 Lubrication pulse 4-16
1.6 Axis error compensation 4-18
1.6.1 Linear axis error compensation 4-18
1.6.2 Non-linear axis error compensation 4-19
1.6.3 Temperature compensation 4-22
1.7 PLC positioning 4-24
2 Reference marks 4-27
2.1 Passing over the reference marks 4-28
2.1.1 Encoders with distance-coded reference marks 4-29
2.1.2 Encoders with one reference mark 4-31
2.2 Machine datum 4-34
3 Servo positioning of the NC-axes 4-37
3.1 The position control loop of an NC-machine 4-37
3.2 Control with lag 4-39
3.3 Offset adjustment 4-44
3.3.1 Offset adjustment by code number 4-44
3.3.2 Automatic cyclical offset adjustment 4-44
3.4 Contouring behavior in corners 4-45
3.4.1 Radial acceleration 4-45
3.4.2 Constant feed rate in corners 4-45
3.5 Monitoring functions 4-46
3.5.1 Position monitoring for operation with lag 4-46
3.5.2 Monitoring the analog voltage difference 4-47
3.5.3 Movement monitoring 4-47
3.5.4 Standstill monitoring 4-48
3.5.5 Positioning window 4-48
3.6 Controlled axes 4-50
3.6.1 Axes as programmable position displays 4-50