HEIDENHAIN TNC 320 User Manual page 587

16.6 Setting the unit of measure
Application
This MOD function determines whether the coordinates are
displayed in millimeters (metric system) 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 TNC shows the
feed rate in inch/min. In an inch program you must enter the feed
rate larger by a factor of 10.
16.7 Displaying operating times
Application
The MACHINE TIME MOD function enables you to see various
types of operating times:
Operating time Meaning
Control on
Operating time of the control since being
put into service
Machine on
Operating time of the machine tool since
being put into service
Program run
Duration of controlled operation since
being put into service
Refer to your machine manual. The machine tool
builder can provide further operating time displays.
HEIDENHAIN | TNC 320 | Conversational Programming User's Manual | 9/2016
Displaying operating times 16.7
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