Recently, Gig 601XL Builder wrDOTgiaconaATsuddenlink.net posted:

Neil Gould wrote:
A simple voltmeter with a "red line" should suffice, along with a
caution; "Don't take off with the needle outside the green arc". Of
course, that won't prevent someone from insisting on making a bad
decision.

I again agree but if you are going to have an sytem with FADEC it
ought to have the authority to to clearly tell you that it is about
to use its' authority to shut the engine off.

We may be describing the same elephant from different sides. ;-)

Neil