Month: December 2025
- December 1, 2025
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Fanuc Parameter Write Switch
Category : Fanuc
Call David: 07834 858 407
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Messing With Parameters Can Be Fatal!!!!!
To change parameters you need to go to the setting screen in MDI. Now put a 1 in the parameter write box.
Some more interesting parameters
3401 Calculator Type Decimal Point or Integer
3402 G Codes that are Active When The machine is Turned On
6005 Allows the Use of Local Subroutines (Newer Control)
6050-6059 Allows you to Call a 9000 series Program with a G Code
6080-6089 Allows you to Call a 9000 series Program with An M Code
5003 Retain Geometry when you Press Reset
Oh just one other thing before you go off and cripple your machine forever.
Do yourself a favor take a picture of the screen before you change a parameter. If you aint got a camera then you must have a piece of paper.
Even better back everything up.
Thanks
If you have been affected by any of the issues in this post or need CNC Counselling then contact me.
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G Code Groups What Use Are They?
CNC Training Call David: 07834 858 407
30 five star ratings on Google (just saying)
G Code Groups, every G code is in a group and I remember looking at G codes for years thinking why on earth do they do that?
I thought it was just to satisfy the geeks, it gave them more bullshit to talk about and confuse the shit out of me.
Anyway now I’m all grown up, I know exactly why G Codes are in groups.
The good news is today I am going to tell you why and….. I am going to give you a practical example.
(Be sure to read on for a free cheese on toast recipe)
Here is a list of G codes and the groups that they are in

Hass G Code Groups do vary a little.
Now I know this is boring but please try to keep focused it gets exciting soon honestly.
If you are loosing the will to live already then off you go, this video is amazing.
I know it’s only two of us now but I will carry on. I wrote this article a bit back about macro for the over 18’s.


