Product Type: Serial Communication Module Product ID: ALR121-S50 Manufacturer: Yokogawa Electric Interface Type: RS-422/RS-485 Connection Method: Point-to-point (RS-422), Multi-point (RS-485) communication function: Support communication function Current consumption: 0.5A Weight: 0.30 kg Protection class: No explosion-proof protection Input and output resistance: > 5M ohm (at 500VDC) Operating temperature range: 0 ° C ~ 55 ° C Storage temperature range: -25 ° C ~ 70 ° C Humidity range: 50% ~ 95% YOKOGAWA ALR121-S50 serial communication module is a high-performance communication module designed for industrial automation control systems.It supports both RS-422 and RS-485 interface standards and is robust in harsh industrial environments. The module has point-to-point and multi-point communication capabilities, and is suitable for various complex industrial application scenarios. It uses advanced signal transmission technology to ensure the high reliability of data transmission. A powerful processor is integrated in the module, which can process and transmit data quickly and improve the overall operation efficiency of the system. At the same time, it is equipped with three pairs of shielded cables, which effectively reduces electromagnetic interference and ensures the quality of communication.In terms of installation, YOKOGAWA ALR121-S50 has a compact design, which is small in size and easy to install and maintain. Its weight is only 0.30 kg, which is convenient for transportation and field operation. In addition, the module has excellent environmental adaptability and can operate normally in the temperature range of 0 ° C to 55 ° C, which meets the needs of most industrial environments. In conclusion, the YOKOGAWA ALR121-S50 serial communication module is an ideal choice in the field of industrial automation control due to its excellent performance and reliable quality.