Key Features

• Safety‑certified opto‑isolated DI/DO channels for critical protection signals

• Hot‑standby redundant design supporting bumpless switchover with safety CPU

• Full‑channel galvanic isolation, high resistance to industrial EMI/RFI interference

• Short‑circuit, overload and reverse‑polarity protection for output circuits

• Built‑in self‑diagnosis, watchdog monitoring and LED status indicators

• Hot‑swappable for online maintenance without system shutdown

• Operating temperature: −40 °C ~ +85 °C

• SIL2, CE, UL, ATEX II 3G, IECEx safety certified

Technical Specifications

• Model: Woodward 5463‑887

• Type: Redundant Safety‑Grade Digital I/O Module

• Signal Type: Isolated safety digital input / output

• Redundancy: Hot‑standby redundancy

• Communication: Dual redundant Ethernet backplane bus

• Operating Temperature: −40 °C ~ +85 °C

• Certifications: SIL2, CE, UL, ATEX II 3G, IECEx

Applications

• Safety‑related DI/DO for overspeed protection and emergency trip modules

• Hard‑wired interlock and shutdown signal transmission for turbines and compressors

• Safety‑critical digital signal expansion for power‑plant generator protection systems

• Specialized safety I/O unit for NetCon 5000 turbomachinery control racks