FlySky AFHDS 2A

Details

Protocol Number: 28 Autobind: No Channel Re-mapping: Yes Extended Limits: Yes Failsafe Support: Yes Receiver Match: Yes Telemetry: Yes Option Value: Servo refresh rate. A value of 0 gives 50Hz (min), 70 gives 400Hz (max). Specific refresh rate value can be calculated as
option=(refreshrate50)÷5option=(refreshrate-50) \div 5

Notes

Models: FS-iA6B, FS-iA10B, etc.
FlySky AFHDS 2A is labelled FlSky 2A in OpenTX.
You must use a different Receiver Number for each different AFHDS 2A receiver you bind. Re-using numbers will remove the binding for the previous receiver.
A maximum of 64 AFHDS 2A receivers can be bound to the MULTI-Module.

Telemetry

If telemetry data is incomplete (for example, missing receiver RSSI) you need to upgrade your RX firmware to version 1.6 or later. You can do it from an original FlySky radio, or using an ST-Link programmer, as explained in this tutorial.
Suggested OpenTX RSSI alarm threshold settings:
OpenTX Version
Low Threshold
Critical Threshold
Prior to 2.3.0
15
12
2.3.0 and later
70
50

Channel Assignment

CH1
CH2
CH3
CH4
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14
A
E
T
R
CH5
CH6
CH7
CH8
CH9
CH10
CH11
CH12
CH13
CH14

Sub Protocols

0 - PWM_IBUS

1 - PPM_IBUS

2 - PWM_SBUS

3 - PPM_SBUS

4 - PWM_IBUS16

3 additional channels. Need recent or updated RXs.
CH15
CH16
CH17
CH15
CH16
LQI
LQI: Link Quality Indicator

5 - PPM_IBUS16

3 additional channels. Need recent or updated RXs.
CH15
CH16
CH17
CH15
CH16
LQI
LQI: Link Quality Indicator
Last modified 1yr ago