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num parameter manual - Documentation CN

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P6<br />

Bit 7<br />

P40 P41 P46 P47 P48 P49 P42 P43 P44 P45 P62 P63<br />

Bit0<br />

1 = 1: spindle measurement reversal<br />

Spindle type indexed by the <strong>CN</strong>C<br />

- 0 for a lathe spindle (indexed<br />

on the position of the C axis)<br />

- 1 for a milling machine spindle<br />

(indexed on the position addressed by function EC)<br />

1: spindle can be indexed by the <strong>CN</strong>C<br />

(function M19 recognised)<br />

Spindle speed programming format<br />

- 0: S05<br />

- 1: S32<br />

1: with indexing, indicates that the positioning speed<br />

must be at constant acceleration. During spindle speed<br />

build-up, modification of programmed speed, stop<br />

programmed by M05 or with spindle indexing by M19,<br />

the system generates a ramp. The ramp is determined<br />

by the acceleration declared in P32, which must not be<br />

zero. The first word of the pair of words is assigned to<br />

the axis <strong>num</strong>ber used by the spindle.<br />

1: declaration of machine speed <strong>parameter</strong>s as<br />

rpmx10 and accelerations as deg/s2x10. Spindles<br />

When bit 6 of these words is set, speeds from 10 to 600000 rpm can be programmed without changing the format of<br />

the <strong>parameter</strong>s.<br />

The <strong>parameter</strong>s concerned by this function are spindle speed ranges P46 to P49, gains P45 (in rpm/rev), maximum<br />

speed during spindle indexing P43 and spindle accelerations.<br />

! CAUTION<br />

The maximum measured speed remains equal to 32768 measurement increments per sample.<br />

For instance, if P50 = 5000 and P40 < 4096, Vmax = (32768/4096)*60000/5 = 96000 rpm.<br />

Words N5 to N8: Spindle assignments to axis groups<br />

- Word N5 corresponds to spindle 1<br />

- Word N6 corresponds to spindle 2<br />

- Word N7 corresponds to spindle 3<br />

- Word N8 corresponds to spindle 4<br />

The value specified in each word corresponds to the group assigned:<br />

- 0 for group 1<br />

- 1 for group 2<br />

- etc.<br />

UNI-TE request (see UNI-TE Protocol User’s Manual)<br />

The spindle declarations can be modified by a UNI-TE request. A reset (<strong>CN</strong>C reset) resets the <strong>CN</strong>C to the state<br />

specified by P6.<br />

en-938818/6 8 - 11<br />

8

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