Woodward 8290-185 Isochronous Speed Control

Description

The Woodward 8290-185 is a high-performance, safety-rated controller designed for mission-critical applications in power generation, oil & gas, and industrial automation. It belongs to Woodward’s 8000 series and is used for emergency shutdown (ESD), turbine overspeed protection, and compressor surge control. It also functions as an Isochronous Speed Control unit for gasoline or natural gas prime movers, compatible with actuators like the 524 and 1724 models.

Specifications

• Model: 8290-185

• Manufacturer: Woodward Inc.

• Control Type: Isochronous Speed Control

• Actuator Compatibility: 524 or 1724

• Speed Range: 3000–6000 Hz

• System Voltage: 24V DC (18–36V)

• Power Consumption: Max 95W

• Response Time: <5ms for safety functions

• Processor Architecture: Quad-redundant (1oo4), 4× 32-bit lockstep cores

• I/O Capacity: Up to 256 safety points (expandable)

• Communication Interfaces: 2× TSN Ethernet, 2× PROFIsafe

• Protection Rating: IP69K (NEMA 6P)

• Operating Temperature: -40°C to +90°C

• Vibration Resistance: 10G (5–2000Hz)

• Certifications: SIL 3 (IEC 61508), PLe (ISO 13849), TÜV, DNV-GL, ATEX Zone 1

• Cybersecurity: IEC 62443-3-3 SL2 compliant

Features

• Quad-Redundant Safety Architecture: 1oo4 voting logic ensures no single point of failure

• High-Speed Response: <5ms scan time with FPGA-accelerated logic

• Advanced Diagnostics: Predictive failure analysis and TÜV-compliant proof testing

• Cybersecurity Hardened: Secure boot, HSM-protected firmware, and air-gapped safety networks

• Flexible Integration: Works with ramp generators for controlled acceleration/deceleration

• Robust Design: Stainless steel enclosure rated for extreme environments

• Precise Synchronization: ≤100ns accuracy for distributed safety systems

• No Hydraulic Supply Needed: Fully electric operation simplifies installation

• Start Fuel Limit & Battery Charger Support: Enhances control and reliability