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HomeAircraftHelicopterRadio - Futaba FASST › Fasttest and cgy 750 and SBUS2 RPM sensor.
12-06-2012 05:11 PM  5 years agoPost 1
knightofcarnage

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chicago

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Here is a question. I"m getting either 14SG in the next month. And i do want to use some telemetry sensors on my 700N. I'm going to use a temp sensor and want to use a RPM sensor. But here is the question. can you get the reading directly from cgy 750 back to the radio? Can the cgy 750 use SBS-01RM magnetic sensor ? If so how do you wire it up?

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12-06-2012 05:22 PM  5 years agoPost 2
Phaedrus

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S. Orange County, California

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The 750 comes with the same magnetic RPM sensor as all other Futaba governors do. You do not need an additional sensor nor to do anything special. It does not use the S.Bus2 port on the RX either. Just connect to the 750 box as indicated in the instructions.

Using the R7008SB RX that comes with the 14SG you will get receiver voltage without doing anything special. If you are using a regulator and want the unregulated voltage then snag this cable and wire it in before the regulator:

http://www3.towerhobbies.com/cgi-bi...?&I=LXCFVY&P=SM

There is a new voltage sensor coming that will connect to the S.Bus3 port, but I have not heard when. That same cable is used to get motor battery voltage in an electric.

To use the temperature telemetry you will need to use the 14-channel FASSest transmission mode as opposed to the 12-channel mode.

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12-06-2012 05:35 PM  5 years agoPost 3
knightofcarnage

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chicago

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The 750 comes with the same magnetic RPM sensor as all other Futaba governors do. You do not need an additional sensor nor to do anything special. It does not use the S.Bus2 port on the RX either. Just connect to the 750 box as indicated in the instructions.
I know it comes with a sensor my question will be displayed back in real time on TX like the stand alone RPM sensor. I don't know if the cgy750 supports any 2 way communication.

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12-06-2012 05:58 PM  5 years agoPost 4
Phaedrus

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S. Orange County, California

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Sorry, I misunderstood you. AFAIK the normal governor function does not get sent via telemetry. However, it seems to me that you could use a "Y" to connect the normal sensor to the 750 and your S.Bus2 port on the 7008SB RX. Not sure if that would work or not or if you would still need the part that comes with the telemetry sensor to make it work. I've got a question in to see about this. Otherwise perhaps Br. Ben can chime in.

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12-06-2012 06:20 PM  5 years agoPost 5
knightofcarnage

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chicago

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I don't think i would work, It needs to be encoded into a packet format. That is why wonder if the sbus2 RPM sensor can be pick up by the cgy and act like a pass thru. If not i'm stuck with both sensors.

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12-06-2012 06:24 PM  5 years agoPost 6
Phaedrus

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S. Orange County, California

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Looking at the photo of the sensor what I'm wondering is if you had some sort of splitter or "reverse" Y if the magnetic sensor could be routed to the 750 and also through the encoder for the RPM telemetry

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