The Honeywell 21-point digital output module TK-PRR021 51309288-475 is a high-performance redundancy and I/O communication module designed for seamless integration within Honeywell's Experion PKS distributed control systems. It ensures continuous operation and data exchange through advanced redundancy features, supporting a wide input voltage range from 3.3 to 24 VDC and operating reliably within current ratings of 0.75–1 A or 7–90 mA.

Engineered for critical automation environments, the PLC Module Honeywell TK-PRR021 51309288-475 offers a rapid failover time of less than 100 milliseconds and a high data transfer rate of up to 1 Gbps. Its robust design includes 1500V AC isolation and conformal coating, providing enhanced protection against electrical noise and harsh conditions, which makes it suitable for demanding industrial applications.

The PWA REDUNDANCY MODULE Honeywell TK-PRR021 51309288-475 operates effectively across a temperature range of 0°C to +60°C and can withstand storage temperatures from -40°C to +85°C. With non-condensing humidity support between 5–95% RH and a compact weight of 0.44 kg, the Honeywell Redundancy Module K-PRR021 51309288-475 is both durable and easy to integrate into existing system architectures.

As a key component of the Honeywell Expert Series, the TK-PRR021 51309288-475 Honeywell Redundancy Module helps maintain high availability and system resilience, reducing downtime and improving operational efficiency in process control and automation scenarios. Its design emphasizes reliability, making it ideal for mission-critical infrastructure.