The Yokogawa ALR121-S51 S1 is a high-availability communication module supporting dual-redundant configurations for fault-tolerant systems. Featuring dual communication ports and automatic failover, it ensures uninterrupted data exchange in critical industrial automation applications.
The Yokogawa ALR121-S51 is a SIL3-certified safety relay module designed for critical shutdown systems, featuring fail-safe operation and robust industrial construction for process safety applications.
