Key Features

• Independent safety logic processing unit, isolated from main control CPU to avoid common‑cause failures

• Supports complex safety interlock logic, emergency trip signal voting and hard‑wired shutdown drive

• Hot‑standby redundant design with bumpless switchover

• Galvanic isolation for all DI/DO channels, strong anti‑interference against EMI/RFI noise

• Built‑in self‑diagnosis, watchdog monitoring and LED fault 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 5463‑877

• Type: Redundant Safety Interlock & Trip Logic Module

• Core Functions: Safety interlock logic, emergency trip control, hard‑wired shutdown output

• Signal Type: Isolated 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 interlock and emergency shutdown control for gas/steam turbines

• Trip logic execution for compressors and high‑speed rotating machinery

• Hard‑wired safety protection for power‑plant generator control systems

• Independent safety‑grade logic expansion for NetCon 5000 control racks