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<p>An analog input converts a voltage level into a digital value that can be stored and processed in a computer. Why would you want to measure voltages? There are a multitude of sensors available which convert things like temperature, pressure, etc. into voltages. The voltages can then be easily measured by various kinds of hardware, such as a LabJack T7, and then read into a computer. The computer can then convert the voltage value into it's original type (temperature, pressure, etc) and the value can then be stored in a file, emailed to someone, or used to control something else outside of the computer. The T7 exposes analog inputs through MODBUS registers as demonstrated below.</p> | |
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First, information about configuration: | |
@registers(AIN Configuration Registers):AIN#(0:10)_RANGE,AIN#(0:10)_NEGATIVE_CH,AIN#(0:10)_RESOLUTION_INDEX | |
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