Siemens SINUMERIK 840C Operator's Manual page 51

2 Operator Interface
NC Stop
NC Start
2-22
If you press the NC STOP key, processing of the current part program is
interrupted. All axis movements are brought to a controlled stop. The reactions
of the H and M functions in the case of NC STOP are configured by the
machine manufacturer. For more information refer to the machine
manufacturer's documentation. The associated LED lights up.
Processing can then be continued by pressing NC START.
If you press the NC START key, the part program called is started at the
current block; the associated LED lights up. Processing of a part program
interrupted with NC STOP is continued at the point of interruption on pressing
NC START.
Caution
The axis positions programmed in the current block are approached with linear
interpolation after the "NC START" key has been activated. Collision danger!
6FC5198-6AA60-0BP1 © Siemens AG 1999 All Rights Reserved
SINUMERIK 840C, OEM Version for Windows (BA)
01.99