Siemens SINUMERIK 840D sl Programming Manual page 819

Geometry
Description of a → workpiece in the → workpiece coordinate system.
Geometry axis
The geometry axes form the 2 or 3-dimensional → workpiece coordinate system in which, in
→ part programs, the geometry of the workpiece is programmed.
Ground
Ground is taken as the total of all linked inactive parts of a device which will not become live
with a dangerous contact voltage even in the event of a malfunction.
Helical interpolation
The helical interpolation function is ideal for machining internal and external threads using
form milling cutters and for milling lubrication grooves.
The helix comprises two motions:
● Circular motion in one plane
● A linear motion perpendicular to this plane
High-level CNC language
The high-level language offers: → user-defined variables, → system variables, → macro
techniques.
High-speed digital inputs/outputs
The digital inputs can be used for example to start fast CNC program routines (interrupt
routines). High-speed, program-driven switching functions can be initiated via the digital
CNC outputs
HIGHSTEP
Summary of programming options for → PLCs of the AS300/AS400 system.
HW Config
SIMATIC S7 tool for the configuration and parameterization of hardware components within
an S7 project
Job Planning
Programming Manual, 03/2013, 6FC5398-2BP40-3BA1
Glossary
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