Siemens SINUMERIK 840D sl Operating Manual page 24

Introduction
1.3 Machine control panels
(6)
(7)
(8)
(9)
(10)
Figure 1-2
24
Machine manufacturer
A machine data code defines how the increment value is
interpreted.
Customer keys
T1 to T15
Traversal axes with rapid traverse superposition and coordinate exchange
Axis keys
Selects an axis.
Direction keys
Select the traversing direction.
<RAPID>
Traverse axis in rapid traverse while pressing the direction key.
<WCS MCS>
Switches between the workpiece coordinate system (Work) and machine
coordinate system (Machine).
Spindle control with override switch
<SPINDLE STOP>
Stop spindle.
<SPINDLE START>
Spindle is enabled.
Feed control with override switch
<FEED STOP>
Stops execution of the running program and shuts down axis drives.
<FEED START>
Enable for program execution in the current block and enable for ramp-up to
the feedrate value specified by the program.
Keyswitch (four positions)
Front view of machine control panel (milling version)
Operating Manual, 03/2010, 6FC5398-6AP10-4BA0
Universal