Glossary
Glossary-8 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
High-speed digital inputs/outputs
Digital inputs can be used to start high-speed CNC program routines (interrupt routines), for
example. The digital CNC outputs can be used to trigger fast, program-controlled switching
functions (SINUMERIK 840D).
HIGHSTEP
Summary of programming options for → PLCs of the AS300/AS400 system.
I/O module
I/O modules represent the link between the CPU and the process.
I/O modules are:
• → Digital input/output modules
• → Analog input/output modules
• → Simulator modules
Identifier
In accordance with DIN 66025, words are supplemented using identifiers (names) for
variables (arithmetic variables, system variables, user variables), subroutines, key words,
and words with multiple address letters. These additions are equivalent to the meaning of the
words in the block format. Identifiers must be unique. The same identifier must not be used
for different objects.
Inch system
Measuring system that defines distances in inches and fractions of inches.
Inclined surface machining
Drilling and milling operations on workpiece surfaces that do not lie in the coordinate planes
of the machine can be performed easily using the "inclined-surface machining" function.
Increment
Traversed distance information via the number of increments. The number of increments can
be stored as → setting data or be selected by means of a suitably labeled key (i.e., 10, 100,
1000, 10000).
Incremental dimension
Specifies a motion target of an axis in terms of the distance and direction to be traversed
relative to a previously reached point. See → Absolute dimension.
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