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Spindle status: q110, Coolant supply: q111, Overlap factor: q112 – HEIDENHAIN TNC 320 (340 551-02) User Manual

Page 389: Tool length: q114, 10 .12 pr eassigned q p ar amet ers

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HEIDENHAIN TNC 320

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Spindle status: Q110

The value of Q110 depends on which M function was last
programmed for the spindle:

Coolant supply: Q111

Overlap factor: Q112

The TNC assigns Q112 the overlap factor during pocket milling
(MP7430).

Unit of measurement for dimensions in the
program: Q113

During nesting the PGM CALL, the value of the parameter Q113
depends on the dimensional data of the program from which the other
programs are called.

Tool length: Q114

The current value for the tool length is assigned to Q114.

M function

Parameter value

No spindle status defined

Q110 = –1

M03: Spindle on, clockwise

Q110 = 0

M04: Spindle on, counterclockwise

Q110 = 1

M05 after M03

Q110 = 2

M05 after M04

Q110 = 3

M function

Parameter value

M08: Coolant ON

Q111 = 1

M09: Coolant off

Q111 = 0

Dimensions of the main program

Parameter value

Metric system (mm)

Q113 = 0

Inch system (inches)

Q113 = 1