The Woodward 8444-1091 is a genuine OEM digital control module specifically engineered for gas and steam turbine control systems. This high-reliability module integrates seamlessly with MicroNet Plus or Atlas control platforms, delivering deterministic control loops and SIL 2 fault tolerance for mission-critical speed, temperature, and load-control functions.

• 100% genuine Woodward OEM component with factory serialization
• High-speed 100 MHz RISC processor with integrated floating-point unit
• 16 isolated 24 VDC digital inputs with 2 kV channel-to-bus isolation
• 8 Form-C relay outputs rated at 5A @ 250 VAC
• 4 universal analog I/O channels (±10V / 4-20mA)
• Integrated magnetic pickup speed sensor interface (1 Hz-20 kHz)
• Redundant 24 VDC power inputs with diode OR-ing protection
• Hot-swap capable in MicroNet Plus rack systems - no shutdown required
• Wide operating temperature range: -40°C to +85°C
• Conformal coated for harsh environment protection
• Multiple communication interfaces: RS-485 Modbus RTU, CAN, Ethernet option

SIL 2 (IEC 61508), CE, UL 508, ABS, ATEX Zone 2 certified for hazardous environments.

• Gas turbine speed and load control systems
• Steam turbine temperature and inlet pressure regulation
• Compressor surge prevention and load sharing
• Generator excitation and synchronization control
• SIL 2 safety-critical turbine protection loops

• 1× 8444-1091 digital control module
• 1× Removable 48-pin spring-clamp terminal block
• Factory calibration certificate with traceability label
• Quick-start installation guide
• ESD protection wrist strap