6ES7222-1HH32-0XB0 - PLC Siemens S7-1200 Digital Output Relay

Built as part of the SM 1222 digital output module series, the 6ES7222-1HH32-0XB0 offers 16 relay outputs, each rated at 2 A, enabling robust control of actuators, alarms, indicator lights, and valve systems. Its compact footprint of 8.90 × 10.60 × 5.70 cm and 0.245 kg net weight make it ideal for space-constrained control panels, while the PM300: Active Product lifecycle status ensures ongoing manufacturer support. The module’s galvanically isolated relay channels improve electrical safety and reduce interference, supporting stable operation even in high-noise industrial environments. Manufactured in China to Siemens’ global quality standards, it delivers consistent performance, long service life, and full compatibility with the entire SIMATIC S7-1200 PLC ecosystem. Engineers benefit from straightforward wiring, fast replacement, and reliable switching cycles, ensuring minimal downtime in mission-critical automation systems.

In real-world applications, the Siemens 6ES7222-1HH32-0XB0 PLC is an excellent choice for managing digital output control in industries ranging from automotive manufacturing to water treatment and process automation. In automotive assembly lines, it ensures seamless control of conveyor interlocks, safety relays, and alarm systems, safeguarding workers and optimizing throughput. In utilities and municipal facilities, it reliably operates pumps, valve actuators, and emergency stop circuits, improving operational safety and reducing costly downtime. Junior engineers appreciate its clear terminal labeling and ease of relay testing, while experienced automation professionals value its proven stability under continuous high-duty operation. With its combination of robust construction, precise relay control, and Siemens engineering reliability, the 6ES7222-1HH32-0XB0 empowers facilities to maintain high performance and operational confidence across diverse automation scenarios.