The Mitsubishi RX28 is an AC input module designed for industrial automation systems, offering reliable detection of AC signals across a wide voltage range. This module features 8 input points, each capable of handling a rated input voltage of AC 100 to 240 V at a frequency of 50 or 60 Hz. The input current varies depending on the applied voltage and frequency: at AC 200 V and 60 Hz, the RMS typical current is 16.4 mA; at AC 200 V and 50 Hz, it is 13.7 mA; at AC 100 V and 60 Hz, it is 8.2 mA; and at AC 100 V and 50 Hz, it is 6.8 mA. The module provides a response time of 20 ms or less, ensuring timely signal processing for control applications. Its common terminal configuration is arranged as 8 points per common, enabling efficient wiring. The RX28 is equipped with an interrupt function, allowing for prioritized input handling in time-sensitive operations. External wiring is facilitated through an 18-point bolt terminal block, which ensures secure and stable connections. This module is designed for direct use without additional adapters, simplifying installation and integration into existing systems.