8 HEIDENHAIN Technical Manual MANUALplus 620
5 Modules and PLC Operands ..................599
5.1 Overview of Modules......................................................................599
5.2 Overview of the PLC Operands......................................................604
5.2.1 PLC operands of the General Data group ...........................604
5.2.2 PLC operands of the Operating Mode Group group ...........606
5.2.3 PLC operands of the Machining Channels group................607
5.2.4 PLC operands of the Axis group .........................................609
5.2.5 PLC operands of the Spindle group ....................................611
6 Configuring the Axes and Spindle ........613
6.1 Machine Structure ..........................................................................613
6.1.1 Adapting the MANUALplus 620 to the machine.................613
6.1.2 Definition of axes................................................................614
6.2 Configuration of Machining Channels ..........................................617
6.2.1 Configuring a machining channel........................................617
6.2.2 Traversing the reference marks..........................................621
6.2.3 Returning to the contour/block scan...................................622
6.3 Configuration of Axes.....................................................................624
6.3.1 Axis designations and coordinates......................................626
6.3.2 Programmable axes ............................................................628
6.3.3 Physical axes.......................................................................631
6.3.4 Kinematic properties of axes ..............................................641
6.3.5 Manually operated axis (counter axis).................................643
6.4 Encoders ..........................................................................................645
6.4.1 Type of position encoder ....................................................645
6.4.2 Signal period of encoders ...................................................648
6.4.3 Distance-coded reference marks ........................................654
6.4.4 Connecting the encoders, PWM output on the CC 61xx....656
6.4.5 Connecting the encoders to the UEC 11x ..........................661
6.4.6 Defining the traverse direction............................................663
6.4.7 Encoder monitoring.............................................................665
6.5 Analog Axes.....................................................................................669
6.5.1 Central drive........................................................................670
6.6 Reading and Writing Axis Information .........................................671
6.6.1 Reading axis information.....................................................671
6.6.2
Writing axis information—activating and deactivating axes
.....678
6.7 Traverse Ranges..............................................................................688
6.8 Lubrication Pulse.............................................................................690
6.9 PLC Axes ..........................................................................................692
6.9.1 Hirth coupling......................................................................702
6.10 Axis Error Compensation ...............................................................705
6.10.1 Backlash compensation ......................................................707
6.10.2 Linear axis error compensation...........................................711
6.10.3 Nonlinear axis error compensation .....................................713
6.10.4 Compensation of thermal expansion ..................................721
6.10.5 Compensation of static friction...........................................723
6.10.6 Compensation of sliding friction .........................................724
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