Siemens SINUMERIK 840Di sl - Page 490

Tables
12.3 List of G functions/preparatory functions
Fundamentals
490 Programming Manual, 11/2006, 6FC5398-1BP10-2BA0
Group 43: SAR approach direction
Name No. Meaning X m/n SAG MM
G140 1. SAR approach direction defined by G41/G42 m Def.
G141 2. SAR approach direction to left of contour m
G142 3. SAR approach direction to right of contour m
G143 4. SAR approach direction tangent-dependent m
Group 44: SAR path segmentation
Name No. Meaning X m/n SAG MM
G340 1. Spatial approach block (depth and in plane (helix)) m Def.
G341 2. Initial infeed on perpendicular axis (z), then approach in plane m
Group 45: Path reference for FGROUP axes:
Name No. Meaning X m/n SAG MM
SPATH 1. Path reference for FGROUP axes is arc length m Def.
UPATH 2. Path reference for FGROUP axes is curve parameter m
Group 46: Plane definition for rapid lift:
Name No. Meaning X m/n SAG MM
LFTXT 1. Tangential tool direction on retraction m Def.
LFWP 2. Non-tangential tool direction on retraction m
LFPOS 3. Axial retraction to a position m
Group 47: Mode switchover for external NC code
Name No. Meaning X m/n SAG MM
G290 1. Switchover to SINUMERIK mode
(activate SINUMERIK language mode)
m Def.
G291 2. Switchover to ISO 2/3 mode (activate ISO language mode) m
Group 48: Approach and retraction response, TRC
Name No. Meaning X m/n SAG MM
G460 1. Collision monitoring for approach and retraction block ON m Def.
G461 2. If no intersection in TRC block, extend border block with arc m
G462 3. If no intersection in TRC block, extend border block with straight line m