Protocols used in fuel dispensers

[love_electronic]

Hi,
Guys from where i can get the description of these protocols

Tokheim UDC
Wayne DART
Gilbarco CL
Nuovo Pignone
Hectronic Kienzle ER3/5
Saltzkotten Kienzle EC2000
Scheidt&Bachmann V11
Tatsuno-Benc PDE

What's the idea behind these protocols.Why these protocols ares used?
i am searching on the internet,but nothing found.

 

[udayan92]

Some of the protocols within the list you provided are available on the net.They haven't given too much information,because it is most likely a company secret.
**broken link removed**
**broken link removed**
They are used in automotive electronics to build fuel efficient vehicles,I guess.

 

[ARAMPATZISERVICE]

Hey guys.Does anybody knows how can i get theese protocols?