FrSky RB-20 is a high-performance and multi-function motor controller in the FrSky S.Port product line. It features high voltage servo support, channel overload protection, compatibility with other FrSky S.Port products, dual power and dual receiver, integrated S.Port telemetry feedback (voltage, current, capacity, overload indication, etc.) and settable servo signal output period.
The FrSky RB-20 is a high-performance multi-function switchboard designed to connect up to 15 servos while supporting dual power supplies and dual receivers. It features integrated S.Port telemetry feedbacks for voltage, current, capacity, and overload indication, automatically selecting telemetry between the two connected receivers.
| Number of servos supported | up to 15 |
|---|---|
| Recommended input voltage range | DC 4~8.4V |
| Operating temperature | -20C ~75C |
| Weight | 37g |
| Dimension | 77*43x22mm |
Connect CH1 and CH2 with a jumper, power on until the GREEN LED flashes quickly to synchronize, then disconnect both the jumper and power supply.
Yes, application of batteries with different capacity, number of cells and chemistry type is allowed.
The affected servo output will be disconnected from the power supply while the remaining servo outputs remain powered.