MoTeC Global Forum

I have not been able to find this information in the manual or so far in browsing webinars.

I have just bought a C127 and due to a current lack of ECU inputs (The budget does not stretch to a more current ECU this year) I have had the I/O option enabled and plan to directly sample several values directly on the dash, among those being oil pressure and temperature via AV inputs. The pressure inputs will generally require a 5V sensor supply

The 5V Sensor supply in the C127RLC is used for the GPS and I would need to modify the loom to allow access to it for other sensors due to the way it is cabled, however could Motec or anyone else in the know confirm what the maximum output current for the 5V sensor supply is in a C127?

According to the datasheet for the C127 found here: http://www.motec.com/downloads/downloaddatasheets/

The maximum current on the 5V supply is .25A

I did not spot the separate datasheet from the manual, thanks. At 250ma I may need to arrange an alternate supply depending on some of my existing sensors.

Edit: I will probably be OK, the GPS module is likely to be the hungriest item on the 5V supply and Motec's data sheet lists 38ma typical supply current, leaving 200ma and a little fat for other sensors and a bit of tolerance factor. The Motec supplied Honeywell pressure transducers run to about 20MA in some configurations by the look of things so I am likely to run out of AV inputs before drive current.