Siemens SINUMERIK 840D Programming Manual page 302

Appendix
A
Terms
I
Identifier
Imperial measurement
system
J
Jog
L
Languages
M
Machine
Machine coordinate
system
Machine origin
Macros
A-302
Words in compliance with DIN 66025 are supplemented by identifiers
(names) for variables (arithmetic variables, system variables, user
variables), for subroutines, for keywords and for words with several
address letters. These supplements have the same meaning as the
words with respect to block format. Identifiers must be unambiguous.
It is not permissible to use the same identifier for different objects.
Measurement system which defines distances in "inches" and
fractions of inches.
Control operating mode (set-up operation): The machine can be set
up in the Jog mode. Individual axes and spindle can be traversed in
jog mode by means of the direction keys. Other functions which are
executed in jog mode are
-> reference point approach, -> repos and -> preset (set actual value).
The operator-prompt display texts, system messages and system
alarms are available (on diskette) in five system languages:
German, English, French, Italian and Spanish.
The user can select two of the listed languages at a time in the
control.
Operating area of the control.
A coordinate system which is related to the axes of the machine tool.
A fixed point on the machine tool which can be referenced by all
(derived) measurements systems.
A collections of instructions under a common identifier. The identifier
in the program refers to the collected sequence of instructions.
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Cycles (PGZ) - 04.00 Edition
04.00
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