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6.16 Electronic Handwheel
6 – 380
The following handwheels can be connected with HEIDENHAIN contouring
controls (See "Mounting and Electrical Installation" on page 3 – 5):
n
One panel-mounted HR 130 handwheel, or
n
Three HR 150 panel-mounted handwheels via the HRA 110 handwheel
adapter
n
One HR 410 portable handwheel
For information on the operation of the electronic handwheel, see the User's
Manual.
7 7 7 7
In MP7640, enter the type of handwheel connected to the control. If you
enter a value greater than zero and no handwheel is connected, the error
message HANDWHEEL? appears.
7 7 7 7
If you use more than one handwheel together with the HRA 110 handwheel
adapter, enter in MP7650 for each axis the counting direction of the
individual handwheels. If you use only one handwheel, enter the counting
direction in bit 0.
Shock or vibrations can cause a slight motion at the handwheel and produce
an unintentional axis movement. In this case:
7 7 7 7
Enter a threshold sensitivity in MP7660.
With W1062 you can disable the handwheel pulses for specific axes, if more
than one handwheel is used in connection with the HRA 110 handwheel
adapter. If the marker M4576 is set, all axes are disabled. If it is reset, W1062
applies. If only one handwheel is used, a selectable axis can be disabled with
W1062.
The interpolation factor specifies the traverse per handwheel revolution:
7 7 7 7
Choose the HANDWHEEL operating mode and enter an interpolation factor
for each handwheel. To ensure that the rapid traverse rates specified in
MP1010 are not exceeded, the smallest possible input step is preset by the
control.
7 7 7 7
With MP7641, specify whether the interpolation factor is entered directly
through the TNC keyboard or via PLC Module 9036.
Interpolation
Traverse distance per
factor
revolution [mm]
0
20
1
10
2
5
3
2.5
4
1.25
5
0.625
6
0.312
7
0.156
8
0.078
9
0.039
10
0.019
Effective beginning from
rapid traverse: MP1010.x
[mm/min]
12 000
6 000
3 000
1 500
750
80
80
80
80
80
80
HEIDENHAIN Technical Manual TNC 426, TNC 430
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