Wheel Speed Sensors - supply voltage

Discuss which Sensors work best with these ECUs and share how you are using inputs and outputs
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SMR
Posts: 137
Joined: Tue Jan 16, 2018 9:38 am
ECU Model: S100 Pro
Distributor: DTA
Location: Aberdeen

Wheel Speed Sensors - supply voltage

Post by SMR »

Hi All,
After some advice / comments please; I'm fitting wheel speed sensors to the Saxon as part of the S100 installation, but there's very little space available on the uprights and I therefore can't fit the Honeywell GT1 type sensors I usually use.

I've managed to source some suitably miniature sensors (Omron E2E-C/s type) , but they require a supply voltage of 10 to 30v DC (rather than the usual 5v).

I am thinking of using Aux 5 output to feed the four sensors their supply voltage (12v), rather than just tie in to my "Ignition-on-live" power feed.

Any thoughts?
Thanks
Steve
Rob Stevens
Posts: 1247
Joined: Thu Jul 28, 2011 4:10 am
ECU Model: S100 Pro
Distributor: None-Coil On Plug :)

Re: Wheel Speed Sensors - supply voltage

Post by Rob Stevens »

Steve Just use the same 12v supply that goes to the ecu. Don't make it more complicated than necessary :)
Alex DTA
Posts: 1622
Joined: Fri Feb 28, 2014 1:03 pm
ECU Model: S40 Pro
Distributor: DTA
Firmware Version: 79

Re: Wheel Speed Sensors - supply voltage

Post by Alex DTA »

What Rob says.
SMR
Posts: 137
Joined: Tue Jan 16, 2018 9:38 am
ECU Model: S100 Pro
Distributor: DTA
Location: Aberdeen

Re: Wheel Speed Sensors - supply voltage

Post by SMR »

Thanks Rob & Alex - I'll keep it simple.
Cheers
Rob Stevens
Posts: 1247
Joined: Thu Jul 28, 2011 4:10 am
ECU Model: S100 Pro
Distributor: None-Coil On Plug :)

Re: Wheel Speed Sensors - supply voltage

Post by Rob Stevens »

Might be a good idea to fuse it also, just think about a faulty wheel speed sensor or 12v wire rubbing through to the chassis as you are about to go sub 26 seconds at Shelsley Walsh and it blowing the main ecu fuse.
stevieturbo
Posts: 3577
Joined: Tue Aug 02, 2011 12:08 pm
ECU Model: No ECU
Location: Norn Iron

Re: Wheel Speed Sensors - supply voltage

Post by stevieturbo »

Always fuse any power supply..and fuse close to source as possible.

And yes, I too have had those wires rub through....strange had one set nearly sliced that truly where nowhere near anything which seemed bizarre.
SMR
Posts: 137
Joined: Tue Jan 16, 2018 9:38 am
ECU Model: S100 Pro
Distributor: DTA
Location: Aberdeen

Re: Wheel Speed Sensors - supply voltage

Post by SMR »

Cheers Rob - the wheel speed sensors will have their own (low amperage) fuse, although whether that helps me knock the half second off that I need is doubtful!
Cpur
Posts: 51
Joined: Wed Dec 06, 2017 1:55 pm
ECU Model: S100 Pro

Re: Wheel Speed Sensors - supply voltage

Post by Cpur »

I used a 2 amp fuse for them 4 sensors. They maybe need 500mA but on the same circuit i have a 5v powersupply for charging my cam.

Regards
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