What is preferred code?

[chantecler 15]

I was searching for an example in the Sample Code Library and noticed that Rockwell Preferred Code samples are almost entirely faceplates. It seems that no other program in the library qualifies as "preferred code"

I wonder if there is a guideline or something to follow to write "preferred code"

Is there any written set of rules to follow that guarantees your code will be considered as "preferred code"?

Is it actually relevant that your code be considered as "preferred code"?

Any light?

Edited 14 Jan 2017 by chantecler

[Filthy McNasty 28]

"Preferred" is a subjective term.

As important as it is to write code for the operation of equipment, so too is writing the code in such a way to make it easy to interpret by someone

other than the code writer if they are responsible to maintain that equipment.

 

Most of the code I saw in the Sample Code area this morning was not faceplate-related.

Edited 19 Jan 2017 by Filthy McNasty