January 2012 7.1 Display and Operation 1241
7.1.8 Control operation in the machining channel
NC program run
Starting an
NC program
The PLC executes an NC start with PP_ChnNcStart.
With NN_ChnNcStartExternRequest, the NC asks the PLC to initiate an NC
start. The PLC then uses PP_ChnNcStart to activate the NC start.
Settings in the configuration editor MP number
Channels
ChannelSettings
[Key name of the machining channel]
CfgChannelFile
geoIniProgram
geoCycleEnd
geoCancelCycle
200402
200405
200406
System
Paths
CfgSystemCycle
[Key name of the OEM system cycle]
path 102601
The machine parameters described below (MP_geoIniProgram,
MP_geoCycleEnd, etc.) of the CfgChannelFile config object are not
evaluated by the TNC 620.
PLC operand / Description Ty p e
PP_ChnNcStart
NC start or cycle on
0: NC start not active
1: NC start active
M
PLC operand / Description Ty p e
NN_ChnNcStartExternRequest
External request for an NC start
0: External NC start not requested
1: External NC start requested
M