Setting The Unit Of Measure - HEIDENHAIN TNC 620 User Manual

Setup, testing and running nc programs

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MOD functions | Setting the unit of measure

Setting the unit of measure

With this MOD function, you can determine whether the control

coordinates are displayed in millimeters or inches.

Metric system: e.g. X = 15.789 (mm), the value is displayed to 3

decimal places

Inch system: e.g. X = 0.6216 (inches), value is displayed to 4

decimal places

If you would like to activate the inch display, the control shows the

feed rate in inch/min. In an inch program you must enter the feed

rate larger by a factor of 10.

HEIDENHAIN | TNC 620 | User's Manual for Setup, Testing and Running NC Programs | 10/2018