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Woodward 9906-705

Product Identification:​ MicroNet™ Plus Turbine Control Panel component — part of Woodward’s MicroNet digital control platform for gas turbine applications (specifically documented for LM6000PA/PB/PC/PD/PF gas turbines).
Product Overview:​ The 9906-705 is associated with Woodward’s MicroNet Plus turbine control system — a digital control platform engineered for safety-critical turbine and compressor applications. The MicroNet platform is designed to provide comprehensive control, protection, and monitoring for gas and steam turbines. When paired with a MicroNet Safety Module (MSM), the system achieves IEC 61508 SIL-3 compliance.
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Key Platform Features:
  • Triple Modular Redundant (TMR) 2-out-of-3 voting architecture available
  • 99.999% availability and reliability
  • Online replaceable I/O modules with hot-swap capability
  • Dual power supplies with triplicate internal converters
  • IEC 61508 SIL-3 compliant when paired with MicroNet Safety Module
  • Magnetic pickup (MPU) and proximity probe inputs
  • Analog I/O, discrete I/O, thermocouple and RTD inputs
  • Proportional and integrating actuator drivers
  • Ethernet and serial communications
Safety Module (MSM) Features:
  • Built-in overspeed and over-acceleration protection
  • Two triple-voted redundant trip relay outputs, or three independent non-voting trip relay outputs
  • High-resolution 4.2 in (107 mm) color display with keypad
  • Automatic overspeed test routines
  • MPU open-circuit detection
  • Acceleration/deceleration detection
Application Scenarios:​ Gas turbines (including LM6000 series), steam turbines, hydro turbines, critical turbine generator sets, refrigeration compressors, methane and syngas compressors, gas cracker compressors, hydrogen recycle compressors.
Installation Requirements:
  • Cabinet installation per Woodward MicroNet Plus manual
  • Strain relief clamps for cable entry
  • Proper grounding and shielding of all signal cables
  • Cable segregation: routing of analog, digital, and power cables separately
  • Input power ratings per specific configuration
  • Enclosure dimensions per cabinet layout drawings
Usage Precautions:
  • Read entire manual and all related publications before installation, operation, or servicing
  • Prime mover must be equipped with an independent overspeed shutdown device
  • Do not disconnect equipment unless power is switched off or area is non-hazardous (explosion hazard in Class I, Div. 2 locations)
  • Substitution of components may impair suitability for hazardous locations
  • Observe ESD precautions when handling control modules
  • Unauthorized modifications outside specified limits void warranty and may cause personal injury or property damage
  • Verify latest revision of all publications via Woodward’s publication system

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