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Woodward 8200-1312 505XT Digital Governor Control

The Woodward 8200-1312 is a premier 505XT series microprocessor-based digital governor engineered to regulate and safeguard single-valve or single extraction/admission industrial steam turbines. Running on Low Voltage DC (18–36 Vdc) power paths, this system is certified for deployment in rugged, ATEX Zone 2 hazardous installations. With a front-mounted user HMI, it serves as an all-in-one programming, monitoring, and tactical protection platform for heavy turbomachinery across power networks and petrochemical skids.

Description
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Woodward 8200-1312 505XT Digital Governor Control

The Woodward 8200-1312 marks a major leap in dedicated digital control for steam turbines and turboexpanders of any industrial size. Part of the field-proven 505XT product line, this standalone governor contains advanced mathematical decoupling functions specifically tuned for single extraction or admission steam valves.

Rather than relying on generic PLC programming, users can input key operational matrix coordinate points straight from the turbine’s original steam map into the 8200-1312. The system then automatically calculates all necessary internal proportional-integral-derivative (PID) to valve command ratios. Packaged in an industrial-hardened housing, it handles speed regulation, generator load management, and auxiliary extraction loops while delivering robust cyber-secure connectivity to plant-wide networks.

Technical Parameters & Specifications:
Parameter AttributeEngineering Specifications / Ratings
ManufacturerWoodward Governor Company
Part Number (P/N)8200-1312
Control Model Designation505XT (Extended Technology Platform)
Input Operating Voltage18–36 Vdc (Low Voltage DC Configuration)
Maximum Current Draw4.3 Amps
Control Loop Structure5 x Internal PIDs (Speed, Ext/Adm, Cascade, Aux-1, Aux-2)
Update / Refresh CycleHigh-speed real-time processing loop
Network InterfacesDual Redundant Ethernet Ports, Serial Channels, CANOpen
Supported ProtocolsModbus TCP, OPC, SNTP Network Time Protocol
Environmental Temperature-30°C to +70°C Operating Range
System CertificationsCE, UL, Marine Approvals, ATEX Zone 2
Total Net Weight4.3 kg (9.11 lbs)

8200-1312

8200-1312

Key Features & Operational Advantages:
  • Integrated Graphical Front Panel: Features a multilingual HMI matrix with multi-tier password protection, giving operators native access to trending data, operational modes, and diagnostic readouts on-site.

  • OptiTune Adaptive PID Loop Technology: Utilizes self-adjusting governor algorithms that optimize valve responsiveness to counter erratic grid shifts or sudden boiler steam swings.

  • Decoupled Ratio-Limiter Tracking: Ensures that active adjustments to steam extraction headers or inlet pressure variables do not produce unwanted disturbances in the primary mechanical speed or load loops.

  • Comprehensive Protective Logic: Built-in safeguards manage 3 critical speed avoidance bands, overspeed anticipation paths, low-pressure stage overpressure clamps, and configurable trip limits.

  • Distributed I/O Scale Extension: Features embedded CAN communication ports to easily expand field inputs and outputs using Woodward’s optional LinkNet-HT auxiliary distributed hardware nodes.

Application Fields:
  • Petrochemical Extraction Refineries: Governs processing steam drives while managing plant header balance configurations.

  • Marine Propulsion Plants: Acts as a specialized governor for primary vessel turbine propulsion setups requiring ATEX Zone 2 marine approval.

  • Industrial Cogeneration Units: Standardizes grid load sharing and backup power generation protocols across industrial manufacturing mills.

FAQ:

Q1: How do I configure the extraction operating limits within the 8200-1312?

A: Operators can easily map these parameters through the front OCP or via Woodward's service tools. You simply enter three distinct operational performance criteria points from the turbine manufacturer’s original steam envelope diagram, and the 505XT automatically generates the PID-to-valve tracking profile.

Q2: What mechanism does this module use to prevent time drift during event logging?

A: The 8200-1312 supports SNTP (Synchronized Network Time Protocol) over its active Ethernet terminals, allowing it to align its built-in internal real-time clock precisely with the millisecond master clock of your plant’s Distributed Control System (DCS).

Q3: Can this controller be monitored remotely without modifying the main control room console?

A: Yes. Users can leverage Woodward's dedicated RemoteView software program alongside the 8200-1312. This program functions as a virtual engineering console and remote operator control room panel, allowing comprehensive monitoring over a secure plant network.


Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.

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