Siemens SINUMERIK 802D sl Function Manual page 445

Diagnostics
The control has both a self-diagnostics program as well as test functions for servicing
purposes: status, alarm, and service displays
Dimensions specification, metric and inches
Position and pitch values can be programmed in inches in the machining program.
Irrespective of the programmable dimensions (
system.
Drive
The drive is the unit of the CNC that performs the speed and torque control based on the
settings of the NC.
Dynamic feedforward control
Inaccuracies in the → contour due to following errors can be practically eliminated using
dynamic, acceleration-dependent feedforward control. This results in excellent machining
accuracy even at high → path velocities. Feedforward control can be selected and
deselected on an axis-specific basis via the → part program.
Editor
The editor makes it possible to create, edit, extend, join, and import programs/texts/program
blocks.
Exact stop
When an exact stop statement is programmed, the position specified in a block is
approached exactly and, if necessary, very slowly. To reduce the approach time, → exact
stop limits are defined for rapid traverse and feed.
Exact stop limit
When all path axes reach their exact stop limits, the control responds as if it had reached its
precise destination point. A block advance of the → part program occurs.
External work offset
Zero point offset specified by the → PLC.
Feed override
The programmed velocity is overridden by the current velocity setting made via the
→ machine control panel or from the → PLC (0 to 120%). The feedrate can also be corrected
by a programmable percentage factor (1-100%) in the machining program.
Turning, Milling, Nibbling
Function Manual, 11/2012, 6FC5397-1CP10-5BA0
/ ), the controller is set to a basic
G70 G71
Glossary
445