Attribute: Initialization Value - Siemens SINUMERIK 840D sl Programming Manual
Nc programming
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3.1 Flexible NC programming
3.1.1.7
Attribute: Initialization value
Definition (DEF) of user variables
During definition, an initialization value can be preassigned for the following user variables:
● Global user variables (GUD)
● Program-global user variables (PUD)
● Local user variables (LUD)
Redefinition (REDEF) of system and user variables
During redefinition, an initialization value can be preassigned for the following variables:
● System data
– Setting data
● User data
– R parameters
– Synchronized action variables ($AC_MARKER, $AC_PARAM, $AC_TIMER)
– Synchronized action GUD (SYG_xy[ ], where x=R, I, B, A, C, S and y=S, M, U, 4 to 9)
– EPS parameters
– Tool data OEM
– Magazine data OEM
– Global user variables (GUD)
Reinitialization time
During redefinition, the point in time can be specified at which the variable should be
reinitialized, i.e. reset to the initialization value.
● INIPO (POWER ON)
The variable is reinitialized at Power On.
● INIRE (reset)
The variable is reinitialized on NC reset, mode group reset, at the end of the part program
(M02/M30) or at Power On.
● INICF (NEWCONF)
For the function "Set machine data active", the variable is reinitialized via HMI, part program
command NEWCONF or NC reset, mode group reset, part program end (M02 / M30) or a
Power On.
● PRLOC (program-local change)
The variable is only reinitialized on an NC reset, mode group reset or at the end of the part
program (M02/M30) if it has changed during the current part program.
The PRLOC attribute may only be changed in conjunction with programmable setting data
(see the table below).
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Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
NC programming
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