WOODWARD 9907-1106 | Motion Control Module

​Parameter ​Specification
​Product Model 9907-1106
​Manufacturer WOODWARD
​Type Motion Control Module
​Processor Dual-core PowerPC @ 1.2 GHz
​Control Execution ≤500 µs deterministic loops
​Analog Inputs 8x ±10V LVDT/RVDT (16-bit)
​Analog Outputs 4x ±10V (20 mA)
​Digital I/O 16x opto-isolated
​Communication Dual 1 Gbps Ethernet (Modbus TCP, OPC UA)
​Redundancy 1:1 hot standby support
​Safety Certification IEC 61508 SIL 2, ISO 13849 PLd
​Power Supply 24 VDC ±10% (redundant inputs)
​Operating Temp -40°C to +85°C
​Enclosure Conduction-cooled aluminum
​Vibration Resistance 5g @ 10–500 Hz (IEC 60068-2-6)
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Description

Product Overview
The ​WOODWARD 9907-1106 is a high-performance motion control module designed for precision regulation of gas/steam turbine servomechanisms within industrial power generation and mechanical drive systems. As a core component of Woodward’s NetCon™ control platform, this module executes deterministic PID loops at 500 µs scan rates for critical actuators like fuel valves, inlet guide vanes, and steam bypass systems. The ​WOODWARD 9907-1106 features dual-redundant 1 Gbps Ethernet interfaces with IEEE 1588 PTPv2 time synchronization, enabling sub-millisecond coordination across distributed control architectures. Certified for SIL 2 applications per IEC 61508, it prevents hazardous overshoot during load transients while maintaining API 612/613 compliance for turbine auxiliaries. Housed in a rugged conduction-cooled chassis, this module withstands extreme vibration (5g @ 500 Hz) in offshore and desert installations.

Technical Specifications

​Parameter ​Specification
​Product Model 9907-1106
​Manufacturer WOODWARD
​Type Motion Control Module
​Processor Dual-core PowerPC @ 1.2 GHz
​Control Execution ≤500 µs deterministic loops
​Analog Inputs 8x ±10V LVDT/RVDT (16-bit)
​Analog Outputs 4x ±10V (20 mA)
​Digital I/O 16x opto-isolated
​Communication Dual 1 Gbps Ethernet (Modbus TCP, OPC UA)
​Redundancy 1:1 hot standby support
​Safety Certification IEC 61508 SIL 2, ISO 13849 PLd
​Power Supply 24 VDC ±10% (redundant inputs)
​Operating Temp -40°C to +85°C
​Enclosure Conduction-cooled aluminum
​Vibration Resistance 5g @ 10–500 Hz (IEC 60068-2-6)

Key Features & Advantages

Dynamic Motion Control:

  • Adaptive gain tuning for nonlinear actuators via Woodward’s MotionTune™ software
  • Hardware-enforced stroke limiting (0-100% configurable)
  • Seamless transition between manual/auto modes

9907-1198

Network Integration:

  • IEEE 1588 Grandmaster clock synchronization (<500 ns accuracy)
  • Encrypted OPC UA pub/sub for control-to-DCS data exchange
  • Real-time health monitoring of servovalves via current feedback

Diagnostic Capabilities:

  • Stick-slip detection with predictive friction alerts
  • Coil impedance trending for solenoid failure prediction
  • Auto-calibration during startup (zero/span compensation)

Safety Integration:

  • Triple-redundant watchdog timers with cross-channel validation
  • SIL 2-compliant position feedback validation

Application Areas

  • ​Combined Cycle Plants: Gas turbine fuel skid control during fast start-ups (<15 min)
  • ​Compressor Stations: Anti-surve control for centrifugal compressors in pipeline networks
  • ​Marine Propulsion: Steam turbine bypass valve sequencing on LNG carriers
  • ​Cogeneration: Extraction control for district heating turbines
  • ​Steel Mills: Blast furnace gas turbine load rejection management
  • ​Geothermal Plants: Flash steam valve positioning in corrosive environments

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