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Technical Manual TNC 360 - heidenhain - DR. JOHANNES ...

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10.5 HRA 110 Handwheel Adapter<br />

The HRA 110 permits two or three HR 150 handwheels to be connected to an LE.<br />

The first two handwheels are permanently assigned to the X and Y axes. The third handwheel can<br />

be assigned to the X, Y, Z or IV axes either through an optional step switch or via machine<br />

parameter. (See Section "Handwheel" in Chapter "Machine Integration").<br />

HR 150<br />

max. 20 m<br />

HRA 110<br />

X1<br />

X2<br />

X3<br />

X31 24 V<br />

S2<br />

S1<br />

X23<br />

Achswahl (Option)<br />

AXIS SELECTION (OPTIONAL)<br />

Unterteilungsfaktorwahl (Option)<br />

INTERPOLATION FACTOR (OPTIONAL)<br />

Id.-Nr. 270 909..<br />

max. 50 m<br />

LE X11<br />

Another step switch (optional) is available for selecting the interpolation factor of the handwheels.<br />

The interpolation factor of the switch must be evaluated in the PLC and is displayed on the <strong>TNC</strong><br />

screen, but it cannot be changed via <strong>TNC</strong> keyboard. If the handwheels are mounted without the step<br />

switch, however, the interpolation factor is selected for each axis via <strong>TNC</strong> keyboard.<br />

Pin layout<br />

Handwheel inputs X1, X2, X3<br />

Pin Number Assignment<br />

1 I1+ 2 I1– 5 I2+ 6 I2– 7 I0+ 8 I0– 3 + 5 V (UP)<br />

4 0 V (UN)<br />

9 Inner screen<br />

Housing Outer screen<br />

8/95 <strong>TNC</strong> <strong>360</strong> 10 Handwheel input 3-37

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