Siemens SINUMERIK 828D Function Manual

B1: Continuouspath Mode, Exact Stop, LookAhead
3.3 Continuous-path mode
Basic Functions
178 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Example
The following parameters are assumed:
MD20443 $MC_LOOKAH_FFORM[0] = 0
MD20443 $MC_LOOKAH_FFORM[1] = 0
MD20443 $MC_LOOKAH_FFORM[2] = 1
MD20443 $MC_LOOKAH_FFORM[3] = 1
MD20443 $MC_LOOKAH_FFORM[4] = 1
Program code Comment
N10 DYNPOS ; Switch on the DYNPOS dynamic
response mode. Standard LookAhead
functionality is active in the
DYNPOS dynamic response mode.
...
N100 G17 G54 F10000
N101 DYNFINISH ; Switch on the DYNFINISH dynamic
response mode. The "Free-form
surface mode: Extension functions"
are active in the DYNFINISH dynamic
response mode.
N102 SOFT G642
N103 X-0.274 Y149.679 Z100.000 G0
N104 COMPCAD
...
N1009 Z4.994 G01
N10010 X.520 Y149.679 Z5.000
N10011 X10.841 Y149.679 Z5.000
N10012 X11.635 Y149.679 Z5.010
N10013 X12.032 Y149.679 Z5.031
M30
Note
When switching between the standard LookAhead functionality and the "Free-form surface
mode: Extension function" or vice versa, continuous-path mode is interrupted by an
interpolator stop.

Siemens SINUMERIK 828D Specifications

General

Control Type	CNC
Operating System	Windows Embedded
Processor	Intel Atom
Display	10.4" color TFT display
Interfaces	Ethernet, USB
Programming	ShopMill, ShopTurn
Operation Panel Size	10.4"
Protection Class	IP65
PLC Memory	2 MB
Spindle Capacity	4 spindles
Hard Drive	CompactFlash