Basic logic functions: Appendix
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
17
Glossary
Absolute dimensions
A destination for an axis movement is defined by a dimension that refers to the origin of the
currently active coordinate system. See → Chain measure
Acceleration with jerk limitation
In order to optimize the acceleration response of the machine whilst simultaneously
protecting the mechanical components, it is possible to switch over in the machining program
between abrupt acceleration and continuous (jerk-free) acceleration.
Address
An address is the identifier for a certain operand or operand range, e.g., input, output, etc.
Alarms
All → messages and alarms are displayed on the operator panel in plain text with date and
time and the corresponding symbol for the cancel criterion. Alarms and messages are
displayed separately.
1. Alarms and messages in the part program:
Alarms and messages can be displayed in plain text directly from the part program.
2. Alarms and messages from PLC
Alarms and messages for the machine can be displayed in plain text from the PLC
program. No additional function block packages are required for this purpose.
Archive
Reading out of files and/or directories on an external memory device.
Asynchronous subroutine
Part program that can be started asynchronously to (independently of) the current program
status using an interrupt signal (e.g., "Rapid NC input" signal).
Automatic
Operating mode of the control (block sequence operation according to DIN): Operating mode
for NC systems in which a → subprogram is selected and executed continuously.
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