CM0504 User Guide
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The•following•shows•a•typical•CMOS•sensor•connection:
Internal to product
Digital or Frequency Input
CMOS
•
Figure 10.11. CMOS sensor connection
10.5.7. Potentiometer (Ratiometric)
Potentiometers•and•other•ratiometric•type•sensors•can•be•wired•directly•to•analog•inputs.
Potentiometers•are•resistive•devices•that•use•a•wiper•arm•to•create•a•voltage•divider.•Changes•to•resistive•
measurements•happen•as•the•wiper•arm•moves•along•a•resistive•element.
When•connecting•potentiometer•sensors,•it•is•important•to•do•the•following:•
•
•
Connect•one•end•of•the•sensor•to•the•
SENSOR_SUPPLY
•pin,•and•the•other•end•to•a•
GND
•pin•on•the•
CM0504.
•
•
Connect•the•sensor•signal•to•an•analog•input.
The•following•shows•a•typical•potentiometer•sensor•connection:
Internal to product
Sensor Voltage
Sensor Ground
Potentiometer
Analog Input
•
Figure 10.12. Potentiometer (ratiometric) sensor connection