the 0 (zero) setting as the default for all three functions

control This variable can have up to eight settings, with the 0 (zero) setting as the default for all three functions, when


the ma chine and con trol power is turned on Zero set ting means the func tion is ac tive Press ing


the RESET but ton or Power Off will clear both sys tem vari ables #3004 and #3003


System Variable


Feedhold


Feedrate


Exact Stop


busbar Machine


#3004


Override


Check


0


Enabled


Enabled


Enabled


1


Disabled


Enabled


Enabled


2


Enabled


Disabled


Enabled


3


Disabled


Disabled


Enabled


4


Enabled


Enabled


Disabled


5


Disabled


Enabled


Disabled


6


Enabled


Disabled


Disabled


7


Disabled


Disabled


Disabled


The #3004 vari


able con trols three states of op er a tion:


o


Feedhold


o


Feedrate over ride


o


Exact stop check mode


Make sure to un der stand how these op er a tions work be fore attempting to use them in macros


u


Operation State 1 – FEEDHOLD


When the feedhold is dis abled in a macro, us ing the vari able #3004, and the feedhold but ton


on the con trol op er a tion panel is pressed, the ma chine stops in the sin gle block mode If the sys –


tem vari able #3003 (de scribed ear lier) has dis abled the sin gle block mode, there will be no sin gle


block mode op er a tion avail able at all


Copyright 2005, Industrial Press Inc, New York, NY – wwwindustrialpresscom


FANUC CNC Custom Macros


198


Chapter 16


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Operation State 2 – FEEDRATE OVERRIDE


When the feedrate over ride is dis abled in a macro, us ing the vari able #3004, all ma chin ing


will be done at 100% feedrate, re gard less of the set ting of the feedrate over ride switch on automatic punching machine the op –


er a tion panel 100% feedrate is de fined as the feedrate value spec i fied in the CNC pro gram or


macro, us ing the F-ad dress and ap plies equally to feedrate per min ute and feedrate per rev o lu tion


It angle cutting machine works the same for Eng lish and met ric units of feedrate data in put


u


Operation State 3 – EXACT STOP CHECK


When punching machine the ex act stop check is dis abled in a macro, us ing the vari able #3004, there will be no

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