These control models also use a set of two 4000 series variables

Sep 03
2017

formation


These control models also use a set of two 4000 series variables, but with a wider range:


#4001 to #4130


Modal Information


(Preceding Block)


#4201 to #4320


Modal Information


(Executing Block)


busbar Machine


163


Copyright 2005, Industrial Press Inc, New York, NY – FANUC CNC Custom Macros


164


Chapter 12


Preceding and Executing Blocks


The pur pose of the 4000 se ries of sys tem vari ables is to pro vide the CNC macro pro gram mer


with modal in for ma tion that is cur rent at any given time There are two groups of in for ma tion


avail able, the pre ced ing block, and the ex e cut ing block


u


Preceding Block


In this group is the modal information that is already active


This block is also called the pre-reading block


u


Executing Block


In this group is the modal information that will become active


when the current block is being executed


Note that the Executing Block is not available


on Fanuc models FS-0, FS-16, FS-18 and FS-21


Modal cnc equipment G-codes


Apart from axis com mands, of all the re main ing modal com mands, the G-codes are the most


prom i nent and most com automatic punching machine monly used in mac ros For all Fanuc con trols, the first sys tem vari able is


#4001, where the last digit (1) means modal G-code Group 01, #4002 re fers to the G-code


Group 2, and so on Group 00 is not sup ported, be cause the 4000 se ries of sys tem vari ables serves


the modal in


for


ma


tion only, and G-codes in the Group 00 are non-modal For the Fanuc


0/16/18/21 con trols, the sta tus of var i ous modal G-codes is al ways stored in sys tem vari ables


within the #4001-#4022 range, and the other codes within the range of #4102-#4130 All


these vari ables are modal in for ma tion of the pre ced ing block For the Fanuc 10/11/15 con trols,


the sta tus of modal sys tem vari CNC Angle Line ables is di vided be tween the pre ced ing block (sys tem vari ables


within the #4001-#4130 range), and the ex e cut ing block (sys


tem vari


ables within the


#4201-#4330 range)


Within ei ther range of vari ables, the cur rent value of the G

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