Configurable analog input circuits are provided. An analog input circuit may include a plurality of configurable input channels, at least one analog-to-digital converter, and at least one processor. Each input channel may include a plurality of switches utilized to select a type of input signal received via the input channel and a set of input terminals selectively utilized to correspond with the selected type of input signal. The at least one analog-to-digital converter may be configured to convert, for each of the plurality of input channels, the selected type of input signal into a digital output. The at least one processor may be configured to control operation of the plurality of switches associated with each of the plurality of configurable input channels.