Am I correct in understanding that the battery pins are on a connected bus, but that the sensor A and B busses are not connected? And if that’s the case, I presume sensors must be on the same bus, both 5v and 0v?
Thanks for helping a noob!
M170 Wiring
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Re: M170 Wiring
by Stephen Dean on Fri Feb 14, 2020 11:43 am
Hi Julian,
It is recommended that the sensors are wired to the same 5V+ and 0V rails, as this allows for the M1 to apply a ratiometric correction to the signal if the the 5V+ rail is pulled down or the 0V rail is pulled up. The AT pins are internally connected to their respective 5V+ rails through a 1K pullup resistor internally, so they need to be wired to the correct 0V rail, this is specified in the Package Help under Sensor Voltage Reference.
It is recommended that the sensors are wired to the same 5V+ and 0V rails, as this allows for the M1 to apply a ratiometric correction to the signal if the the 5V+ rail is pulled down or the 0V rail is pulled up. The AT pins are internally connected to their respective 5V+ rails through a 1K pullup resistor internally, so they need to be wired to the correct 0V rail, this is specified in the Package Help under Sensor Voltage Reference.
Stephen Dean
MoTeC Research Centre Melbourne, Australia
MoTeC Research Centre Melbourne, Australia
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