RH641 floor decoder is used with the video intercom host, each elevator is installed with a floor decoder, linkage with the video intercom to realize the intelligent call system function. When visitors through visual intercom call to the owner, the owner, after confirm the visitors information visible interphone host output RS485 floor information instruction decoder to the floor, floor decoder will parse the information sent to the floor floor controller, floor controller automatically open the current floor, visitors can take the elevator to floor owner.

Technical parameters of floor decoder (RH641)

Machine size 136mm*136mm*32mm

Shape material rectangular plastic shell

Working voltage 12V/500mA

Operating temperature -25 ° C to 65 ° C Humidity ≤95% No condensation

Communication mode Dual RS485 communication, the upper computer is connected to the visual intercom host, the lower computer is connected to the floor controller

Floor control Uses one floor decoder per elevator