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MicroNet Plus Turbine Control System

 
Woodward’s MicroNet™ Plus customizable control system is a flexible, state-of-the-art system specifically designed for controlling gas and steam turbines.

 

 The MicroNet Plus control system provides a flexible platform to control any prime mover and its associated processes: 

  • high-speed control functions
  • system sequencing
  • auxiliary system control
  • surge control
  • monitoring and alarming
  • station control

The digital MicroNet control is available in both simplex and dual redundant configurations. Each version is expandable into multiple chassis as required by the application size, and will support any mix of I/O, including networked distributed I/O.
 

Field Support Services and Upgrades

Woodward and its business partners provide our customers with exemplary service, support and upgrades. We take great pride in our customer support programs and continue to support fielded products for as long as parts are available. When upgrades are required, Woodward’s OEM and Channel Partners are able to provide upgrade services on all controls.

 

Through standardization and attention to software evolution, Woodward’s partners are able to adapt 1990’s software to today’s advanced control platforms with minimal or no changes required. Our world class software environment allows for updates to be done in GAP or imported as single blocks from other commonly used software environments including Matlab, C++, etc.

MicroNet Plus control capabilities include:

  • Speed and load control
  • Temperature and process control
  • Combustion control
  • Anti-surge control
  • System sequencing and package auxiliary control
  • Rigorous load rejection performance
  • Complex DLE fuel control algorithms
  • Incipient surge detection
  • Long-term naval programs
  • Alarm + shutdown communication

 

Features of MicroNet Plus include:

  • IEC61508 SIL-3 Certified
  • Cyber secure CPU
  • Simplex or redundant CPU configurations
  • VME-based (full and narrow chassis)
  • Real-time multitasking VxWorks® operating system
  • Woodward’s proven graphical application programmer (GAP) software and supporting tools
  • Deterministic update rates as fast as 5 ms
  • Improved control system availability and reliability
  • SNTP compliant for time synchronization
  • Expandable with redundant realtime network available in CAT-5 or fiber optic configurations
  • Ethernet communications
  • Simplex or dual power supplies
  • Modular I/O
  • Time stamping of events to 1 ms
  • Hot replacement of modules for online repair

Operating Conditions

Temperature: 0 to 55 °C (32 to 131 °F) ambient air temperature range

Shock: US MIL-STD-810C, method 516.2-1, procedure 1B (15 G, 11 ms half-sine pulse)

Vibration: Lloyd’s ENV2 test #1

Regulatory Compliance

North American:

     UL: UL Listed for Class I, Division 2, Groups A, B, C, & D, T3A (UL File E156028)

 

European Compliance for CE Marking:

    EMC Directive: 89/336/EEC: EN61000-6-2, EN61000-6-4

    Low Voltage Directive: 73/23/EEC: EN61010-1

    ATEX Directive: 94/9/EC: EN60079-15 (Zone 2, Cat. 3, Group II G, Ex nA [nL] IIC T3 X)

 

Other European Compliance:

  Machinery Directive: 98/37/EC (compliant as a component)

 

Marine Compliance:

  ABS: ABS Rules 2006 4-9-7/Table 9

  DNV: Temp. Class A, Hum. Class B, Vib. Class B, and EMC Class A

  LRS: ENV1 and ENV2

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