B- brake
DB  - dynamic brake.
Virsutiniai draiveriai turi buti maitinami per bootstrap kondensatorius arba 
is atskiru (galvaniskai atskiru) saltiniu.
 http://en.wikipedia.org/wiki/Bootstrapping_%28electronics%29

"Miegapele" <svinas69@gmail.com> wrote in message 
news:k6dha6$5so$1@trimpas.omnitel.net...
> http://www.alldatasheet.com/datasheet-pdf/pdf/61135/FUJI/7MBP50RA-060.html
>
> 1. Kam reikalingas B kontaktas.
> 2. Kam reikalingas VinDB iejimas (visas modulis)
> 3. Kodel virsutiniu (pagal breazini) draiveriu maitinimo grandines 
> isvestos i lauka?
> 4. Ar galima virsutiniu draiveriu maitinima prijungti tiesiai prie GND IR 
> Vcc