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The RAD-NAM4-IFS is an I/O extension module equipped with four NAMUR digital inputs, compliant with the NAMUR proximity sensor standard EN 60947-5-6. It facilitates communication with head stations for Radioline systems and the FB-MUX/HS...PA through a T-BUS connector designed for DIN rail installation. The module features channel-to-channel isolation, ensuring signal integrity.

Constructed to meet rigorous operational standards, the module operates within a supply voltage range of 19.2 V DC to 30.5 V DC, with a maximum current consumption of ≤ 64 mA at 24 V DC and 25°C. The digital inputs are optimized for NAMUR proximity sensors, accepting a maximum input voltage of 30.5 V DC and providing a switching level of 1 signal between 10 V DC and 30.5 V DC.

For installation, it employs screw connections with a stripping length of 7 mm, supporting rigid and flexible conductors from 0.2 mm² to 2.5 mm². The module is designed for industrial applications, featuring a degree of protection rated at IP20 and an operational temperature range from -40 °C to 70 °C. Compliance with various international standards, including CE and ATEX directives, ensures its suitability for diverse environments, including hazardous locations.