The OMRON CJ1W-AT402 is a high-performance terminal block conversion adapter designed for the SYSMAC CJ1 series. This 18-pin adapter facilitates seamless integration by converting existing CQM1 model I/O unit connections, making it an ideal choice for upgrading legacy systems. It is equivalent to the CJ1WAT402 and is specifically engineered to replace the CQM1-OA221/222 models, ensuring compatibility and efficiency in industrial automation applications. Perfect for professionals seeking reliable and efficient terminal block solutions, the CJ1W-AT402 offers robust performance and easy installation.