The Keyence N-48 is a dedicated communication unit engineered to simplify and enhance industrial automation through reliable RS-485 connectivity. Designed to interface directly with barcode readers, it features a dedicated D-sub 9-pin input port capable of supplying 5 VDC at up to 630 mA, providing both power and communication capability in a single compact unit. This integration allows for streamlined installations, minimizing the need for additional power supplies or complex wiring.

The N-48 supports RS-485 multi-drop communication, making it ideal for systems where multiple devices need to share a single communication line. This capability enhances scalability and reduces network complexity, which is particularly beneficial in production lines or logistics operations where multiple barcode readers and devices must be monitored and controlled simultaneously.

Equipped with versatile input and output terminals, the N-48 ensures seamless integration into automation setups. The single input terminal accepts 15–26 VDC with a maximum current of 10 mA, while the two NPN open-collector outputs handle up to 30 VDC at 100 mA. These outputs offer low leakage current and minimal residual voltage, ensuring precise and reliable signaling for downstream devices or controllers.

Designed with durability in mind, the N-48 can operate in environments ranging from 0 to 50 °C (32 to 122 °F) with relative humidity between 35–85% RH, without condensation. Its robust construction provides vibration resistance (10–55 Hz, double amplitude 1.5 mm for 2 hours in each X, Y, and Z direction), allowing it to maintain performance in demanding industrial settings. Despite its rugged capabilities, the unit remains lightweight at approximately 100 g, making it easy to mount and integrate into existing systems without adding unnecessary bulk.

Overall, the Keyence N-48 combines compact design, durable construction, and versatile connectivity, making it an ideal communication unit for industrial automation. Its ability to power and communicate with barcode readers while supporting RS-485 multi-drop networks ensures efficient, reliable, and scalable operations across manufacturing, warehousing, and logistics applications.