Detailed description
2.1 Axes
Basic logic functions: Axes, coordinate systems, frames (K2)
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Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.1.9
Main axes
Significance
A main axis is an axis that is interpolated by the main run.
This interpolation can be started as follows:
•
From synchronized actions
(as command axes due to an event via block-related, modal or static synchronized
actions)
•
From the PLC via special function blocks in the PLC basic program
(named as a concurrent positioning axis or a PLC axis)
•
Via the setting data or from the part program
(as an asynchronous or block-synchronous oscillating axis)
Channel control
An axis interpolated by the main axis reacts in terms of:
•
NC STOP
•
Alarm handling
•
Program control
•
End of program
•
RESET
Note
The response at the end of the program varies. The axis movement need not always be
completed and, therefore, may carry on beyond the end of the program.
Application
Certain axes in the main run can be decoupled at the channel response triggered by the NC
program sequence and controlled from the PLC. These axes are also interpolated in the
main run and respond independently for the channel and program sequence.
A PLC-controlled axis can then be controlled independently by the NC. This concerns the
following actions:
•
The sequence for canceling the axis (equivalent to delete distancetogo)
•
Stopping or interrupting the axis
•
Continuing the axis (continue sequence of motion)
•
Resetting the axis to its basic status
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...