1756-IRT8I is an analog input module from Allen-Bradley's ControlLogix series programmable logic controllersPLCs). It provides isolated thermocouple or mV analog input channels for temperature or voltage measurement. The module supports multiple input types, including B, E, J, K, N, R, S, and T thermocouples, as well as mV inputs. It offers high-accuracy analog-to-digital conversion and provides both current and voltage input ranges. The module is designed for use in industrial automation applications and is compatible with the Allen-Bradley ControlLogix platform.