8. DIGITAL INPUTS
8
Digital Inputs
8.1 S.BUS Input
The S.BUS input port can be used. It is a standard used for Futaba RC controllers. Only the first version of S.BUS
is supported.
Mechanically, a common servo‐wire like 3 pin jumper cable connector is used for S.BUS.
Figure 8.1: S.BUS pinout ‐ 3 pin servo cable.
Pin
Description
1
GND
2
VCC 5V out
3
S.BUS in
Warning
: The +5V wire on the S.BUS input is intended for powering otherwise unpowered transceivers
and converters from GIS 320. If your transceiver or convertor is powered otherwise, do
NOT
connect the
+5V wires and leave them unconnected instead, only connecting the GND and S.BUS pins. If the +5V wires
are connected, damage of either device might occur.
S.BUS allows transmission of many servo‐like channel PWM signals through a simple three pin connection.
The device is compatible with S.BUS enabled receivers and converters such as the Futaba SBE‐1 PWM‐S.BUS
converter.
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Revision 210427 EN, 27
th
Apr, 2021
All pictures are only for illustration.
Real values may vary.
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