Agrowtek VX8i Manuel d'instruction - Page 10

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Input Connections, Analog Sensors (VX12i)

Analog sensors o er a "variable" value such as a temperature, pressure, etc. The device's analog inputs are 12

bit and o er 4096 steps of resolution (1.22mV or 0.005mA.) Each input has a default range in "Voltage" mode

of 0-5Vdc, or if set with a jumper to a "Current" mode, a 0-20mA range.

Voltage Mode

Standard mode for 0-5Vdc analog sensors or discrete type sensors.

Current Mode

Mode for 0-20mA or 4-20mA type industrial analog sensors.

Note: Jumpers must be installed on the PCB for mA mode.

Analog Sensor

(Moisture Probe)

Bare (v-)

Red (v+)

Black (signal)

GND