Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Controllino’s head with accessible connecting pins on top of the electrical unit. Green circles indicate the correct one-wire cable wiring. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
