ABB DI581-S Safety Digital Input Module

Description

The ABB DI581-S Safety Digital Input Module is a high-performance member of the DI500 series, designed to convert digital signals from switches, sensors, and other devices into electrical signals compatible with PLCs and other controllers. It is ideal for use in industrial automation, building automation, and energy management systems, supporting applications like production process monitoring, building equipment control, and energy usage management. Key technical specifications include 16 input channels, support for single-ended and differential input types, and a 24 VDC power supply with a maximum power consumption of 2 W. It features a signal delay of ≤1 ms, 250 V RMS isolation voltage, and 50 dB common-mode rejection for accurate, noise-resistant signal processing. Built with a compact, durable design, the module has an IP67 protection rating to withstand harsh industrial environments, and measures 114 mm x 75 mm x 25 mm with a weight of 0.2 kg. Additional features include flexible input configuration, easy installation and maintenance, and high reliability for continuous, stable operation in demanding settings.