Key Features

• High‑speed sampling for accurate real‑time speed and frequency measurement

• Channel‑wise galvanic isolation to resist EMI/RFI noise and ground‑loop interference

• Compatible with magnetic pickup, proximity sensor and Hall‑effect speed inputs

• Dual‑redundant Ethernet communication, supporting bumpless switchover with hot‑standby CPU

• Hot‑swappable design for online maintenance without system shutdown

• Built‑in self‑diagnosis and LED status indicators for on‑site fault troubleshooting

• Operating temperature: −40 °C ~ +85 °C for power and petrochemical harsh environments

• SIL2, CE, UL, ATEX II 3G and IECEx certified for safety‑critical applications

Technical Specifications

• Model: Woodward 5463‑787

• Type: Redundant Pulse‑Frequency / Speed Input Module

• Input Signal: Pulse, frequency, tachometer pickup signals

• Isolation: Channel‑to‑ground galvanic isolation

• Communication: Dual redundant Ethernet

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

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

Applications

• Rotational‑speed feedback for gas turbine and steam turbine governor control

• Overspeed protection and monitoring for compressors and high‑speed rotating machinery

• Pulse‑type signal acquisition for power‑plant generator monitoring systems

• Redundant high‑speed speed‑signal expansion for NetCon 5000 control racks