The Mitsubishi FX2N-8EX-ES/UL is an 8-point digital input extension module designed for the MELSEC-F series compact PLCs. It enables the expansion of input points, facilitating the integration of additional sensors or devices into the control system. This module is compatible with various PLC models, including FX1N, FX3G, FX2N, FX3U, FX1NC, FX3GC, FX2NC, and FX3UC. It connects to the base unit or another extension unit via a factory-attached flat extension cable, simplifying installation and configuration. The module operates with a 24 V DC input voltage and supports both sink and source input types, accommodating a wide range of input devices. Each input point has a current consumption of approximately 5 mA at 24 V DC, ensuring efficient power usage. The input response time is approximately 10 ms, suitable for most industrial applications. The module features photocoupler insulation between the field and logic circuits, enhancing noise immunity and protecting the PLC from electrical surges. Each input point is equipped with an LED indicator, providing clear status feedback. The module has a compact design with dimensions of approximately 25.4 x 90 x 90 mm and weighs about 0.2 kg, making it suitable for installations with space constraints. It operates within an ambient temperature range of 0 to 55°C, ensuring reliable performance in various industrial environments. The FX2N-8EX-ES/UL complies with international standards, including UL, cUL, CE (EMC), CE (RoHS), KC (EMC), and DNV, ensuring safety and quality. It is important to note that this module is scheduled for discontinuation, with the end of order date set for March 2028 and the end of production in September 2028. Users are advised to plan accordingly for future system expansions.