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Castle Ice2 HV ESC Telemetry


andythilo
(@andythilo)
Active Member Customer
Joined: 11 months ago
Posts: 10
Topic starter  

Hi

I have an ICE2 HV ESC with no BEC. Do I still need to put the resistor between the power and signal wire? Can I remove the red wire from the ESC cable? Obviously I'll be running an external BEC connected to the Brain. Can this go in the Gov port if telemetry (including RPM) is sent via the throttle cable?

THanks 🙂 


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BrainDev
(@customercare)
Member Admin
Joined: 4 years ago
Posts: 792
 

Yes, we suggest to add the pull up resistor cable described in the instructions whether you use telemetry by activating the Live Link that inverts the signal polarity or not. As you can see from the manual the pull up resistor takes the positive voltage that is obviously always present on the servo bus connectors of the flight controller and brings the servo bus voltage to the ESC connector.
To decide if you should disconnect the red wire from the ESC output cable or leave it connected to power the ESC control electronics, you need to read the ESC instructions to see what they say.
We suggest to connect the BEC connector to the free CH2 connector of the flight controller. To the GOV connector you should connect the connector with the motor RPM pulse signal that can come from the ESC or from a separate external RPM sensor. This is if you want to use the governor of the flight controller. The positive and ground contacts of the GOV connector are used to power an external RPM sensor. If you do not use the flight controller governor and do not use an external sensor, then you can connect the second redundant output of the BEC. Otherwise the second output of the BEC can be connected to a Y-cable connected to any of the servos. The RPM signal transmitted by the ESC via telemetry is fine for getting RPM telemetry on the transmitter display, but it is updated too slowly (LS=Low sampling) to be used for governor control of the flight controller.


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andythilo
(@andythilo)
Active Member Customer
Joined: 11 months ago
Posts: 10
Topic starter  

Thanks for the reply. The manual says that the ESC only supports up to 2500rpm, which is no good for me. Will an external sensor like this be ok

https://www.modelhelicopters.co.uk/hobbywing-rpm-sensor-hw86060041.html

 


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