HEIDENHAIN TNC 335 Technical Manual User Manual

Page 264

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8/95

TNC 360

10 Electronic Handwheel

4-167

3

2.5

1 500

4

1.25

750

5

0.625

80

6

0.312

80

7

0.156

80

8

0.078

80

9

0.039

80

10

0.019

80

Machine parameter MP7670 can be used to select a higher limit than that calculated by the NC.

MP7640 Handwheel

Input: 0 to 6

0 = Machine without electronic handwheel
1 = Portable handwheel HR 330
2 = Panel-mounted handwheel HR 130
3 = Portable handwheel HR 330 (evaluation of keys via PLC)
4 = Portable handwheel HR 332 (evaluation of keys via PLC)
5 = Up to three HR 150 via HRA 110
6 = Reserved

MP7641

Entry of interpolation factor
Input: 0 to 15
Bit 0

+0 = Entry of interpolation factor via TNC keyboard
+1 = Entry of interpolation factor via PLC module 9036

Bit 1

+0 =
+2 = Handwheel active in the Programming and editing mode

Bit 2

+0 =
+4 = Entry of interpolation factor via PLC module and TNC keyboard

Bit 3

+0 =
+8 = Key polling (except axis keys) from the PLC in every operating mode

MP7650

Count direction for handwheel
Input: 0 or 1

0 = positive count direction
1 = negative count direction

MP7660

Threshold sensitivity for electronic handwheel
Input range: 0 to 65 535 [increments]

MP7670

Minimum interpolation factor for handwheel
Input range: 0 to 10

Marker

Function

Set

Reset

M2826

Suppress handwheel pulses

PLC

PLC

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