Siemens SINUMERIK 828D Manual page 134

Connectable components
7.3 Mini handheld unit
Control elements of the mini handheld unit
Features of the operator controls:
● EMERGENCY STOP button
● Axis selection switch
The axis selection switch can be used to select up to five axes. The coding is carried out
in Gray Code.
Table 7- 27
● Enabling button
● Handwheel
● Rapid traverse key
● Traversing keys
● Function keys
134
The EMERGENCY STOP button must be pressed in the following emergency situations:
– When a person is at risk.
– When there is a danger of the machine or workpiece being damaged.
Coding of axis selection switch
Connector X1
Pin 8 Pin 9
0 0
1 1
0 1
0 1
1 1
1 0
0 0
The enabling button is designed as a 3-way switch. This must be held in its central
position for movements to be triggered.
The handwheel can be used to initiate movements at the selected axis using the axis
selection switch.
The rapid traverse key increases the traversing speed of the selected axis with the axis
selector switch. The rapid traverse button is active both for traversing commands issued
via the +/- keys and for handwheel signals.
The + and - traversing keys can be used to trigger traversing movements on the axis
selected via the axis selection switch.
The function keys can be used to trigger machine-specific functions.
Switch position
Pin 10
0 -
0 0
0 Z
1 X
1 Y
1 4
1 5
Function
Mini HHU not connected
No axis selected
Z axis selected
X axis selected
Y axis selected
Axis 4 selected
Axis 5 selected
Manual, 03/2013, 6FC5397-2DP40-3BA1
PPU