The ABB AI820 Analog Input Module is a precision-engineered 4-channel device designed for signal acquisition in AC 800M automation systems. Each channel supports bipolar current or voltage inputs and is configurable for a wide range of industrial signals, including thermocouple-compatible millivolt ranges.
With robust input protection up to 30 V DC and integrated 250W current sense resistors, the AI820 ensures safe and reliable operation in demanding environments. It supports HART communication for smart transmitter integration and simplifies wiring with external transmitter supply distribution.
The ABB AI820 is ideal for process control, machine automation, and industrial data acquisition requiring high-resolution analog input. Its compatibility with smart transmitters and support for HART diagnostics make it a versatile choice for modern control systems.
