HEIDENHAIN TNC 620 (340 56x-02) ISO programming - Manual (Page 379)

HEIDENHAIN TNC 620 379
14.8 Optional Pr
ogr
am-Run Int
e
rr
u
ption
14.8 Optional Program-Run
Interruption
Application
The TNC optionally interrupts program run at blocks containing M1. If
you use M1 in the Program Run mode, the TNC does not switch off
the spindle or coolant.
U Do not interrupt Program Run or Test Run at blocks
containing M1: Set soft key to OFF
U Interrupt Program Run or Test Run at blocks
containing M1: Set soft key to ON