HEIDENHAIN TNC 620 User Manual page 586

17
MOD Functions
17.6 Setting the
17.6 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.
17.7 Displaying operating times
Application
The MACHINE TIME MOD function enables you to see various
types of operating times:
Operating time
Control on
Machine on
Program run
The machine tool builder can provide further
operating time displays. Refer to your machine
manual.
586
Meaning
Operating time of the control since being
put into service
Operating time of the machine tool since
being put into service
Duration of controlled operation since
being put into service
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015