Available. The Sick ISD400-1111 is an optical data transmission unit designed for reliable and efficient data communication in industrial environments. Operating within a voltage range of 18 to 30 V DC, it consumes a maximum of 4.8 W, ensuring energy efficiency. The device utilizes an infrared LED light source at 880 nm, enabling a transmission range from 0.2 m up to 180 m, with a typical light spot size of 1.75 m at 100 m. It supports data transmission rates up to 3 Mbit/s and features a PROFIBUS DP interface for seamless integration into existing systems. The ISD400-1111 is housed in a metal enclosure with an IP65 protection rating, making it suitable for harsh industrial conditions. It operates effectively in ambient temperatures ranging from –25 °C to +55 °C and can withstand relative humidity levels up to 90% without condensation. This device is ideal for applications requiring robust and long-distance optical data transmission, such as automated manufacturing processes, material handling systems, and other industrial automation tasks.