Hr 150 Panel-Mounted Handwheels With Hra 110 Handwheel Adapter; Checking The Switch - HEIDENHAIN iTNC 530 Service Manual

24.4 HR 150 Panel-Mounted Handwheels with HRA 110 Handwheel Adapter

With the handwheel adapter HRA 110 you can connect two or three HR 150 panel-mounted
handwheels to the TNC.
The first and second handwheels are assigned to the X and Y axes. The third handwheel can
be assigned either through a selection switch (option) or with MP7645.
An additional switch enables you to select, for example, the interpolation factor for the
handwheel. The current position of the step switch is evaluated by the PLC.

24.4.1 Checking the Switch

The function of the selective switches can be checked via the PLC table for the inputs:
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24 – 398
HR 150
max. 20 m
Press EMERGENCY STOP.
Call the table with the PLC inputs. --> see "The TABLE Function" on page 10 – 76.
Turn the selective switches.
Using the following tables, check whether the corresponding inputs change to 0.
HRA 110
X31 24 V
S2
X1
S1
X2
X3 X23
Achswahl (Option)
AXIS SELECTION (OPTIONAL)
Unterteilungsfaktorwahl (Option)
INTERPOLATION FACTOR (OPTIONAL)
X23 (LE)
Id.-Nr. 270 909..
max. 50 m
HEIDENHAIN Service Manual iTNC 530