The WOODWARD 8200-1312 505XT Digital Steam Turbine Governor Controller is a microprocessor-based industrial control module designed for precise regulation of steam turbine speed, load, and process parameters.
It belongs to the Woodward 505XT control platform, widely used in power generation systems and industrial turbine automation environments. The controller integrates analog and digital I/O capabilities to support flexible configuration in complex turbine control applications.
In the scenarios of spare parts procurement and system maintenance, this model is frequently used for replacing the turbine control system, upgrading the old system, and supplementing spare parts during shutdown maintenance. The 8200-1312 model we provide supports complete part number verification and can be matched and confirmed based on the nameplate or on-site information, reducing selection errors. For power plants and industrial equipment users, the supply cycle of the controller, the consistency of the model, and the compatibility with the existing system are the core factors affecting the purchasing decision. Therefore, this product is usually managed as a key spare part for long-term inventory management and planned procurement.
| Technical Specifications | |
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Brand |
WOODWARD |
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Model |
8200-1312 |
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Description |
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Origin |
USA |
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Dimension |
36*28*10cm |
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Weight |
4kg |
| Power Input | 18–32 VDC (LVDC version) |
| Analog Inputs | 8 configurable 4–20 mA analog inputs |
| Analog Outputs | 6 configurable 4–20 mA analog outputs |
| Digital Inputs | 20 Discrete Inputs |
| Relay Outputs | 8 Relay Outputs |
| Mounting Type | Panel Mount |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| HS Code | 9032899090 |
Key Features
WOODWARD 8200-1312 505XT Digital Steam Turbine Governor Controller
Microprocessor-Based Control Architecture
The controller uses an embedded digital processing system designed for real-time turbine control and signal processing.
Flexible I/O Configuration
Supports multiple analog and digital input/output configurations for integration with plant-level control systems.
Industrial Steam Turbine Control Capability
Designed specifically for steam turbine speed regulation, load control, and system synchronization applications.
Wide Temperature Operation Range
Operates reliably in harsh industrial environments ranging from -40°C to +70°C.
Analog Input Capability
8 × 4–20 mA Configurable Channels
The controller provides 8 configurable analog input channels, each supporting the industry-standard 4–20 mA signal format, which is widely used in turbine instrumentation and process control systems.
In steam turbine control architecture, these input channels are typically connected to field devices such as speed sensors, pressure transmitters, temperature probes, and valve position feedback instruments. Each channel can be assigned and configured according to the control strategy of the turbine system, allowing flexible mapping of process variables without requiring additional signal conditioning modules.
The 4–20 mA signal format is commonly used in industrial environments because it supports long-distance transmission between field instruments and control cabinets, especially in power plant layouts where signal routing distances are significant.
From an integration perspective, the 8-channel analog input structure reduces dependency on external I/O expansion units, allowing the controller to directly accept multiple process signals within a single module. This simplifies the signal acquisition layer in turbine governor systems and reduces the need for additional interface hardware in retrofit or system upgrade projects.
For procurement and engineering teams, this configuration provides a practical advantage when evaluating system compatibility. It allows the controller to be integrated into existing steam turbine control systems that already use standard 4–20 mA instrumentation, which is common in power generation and industrial automation facilities. This reduces engineering effort during system migration or replacement projects, especially when upgrading legacy turbine control platforms.
In addition, the input structure supports centralized signal management within the controller, which allows engineers to consolidate multiple field signals into a single control unit. This reduces wiring complexity inside the control cabinet and makes signal tracing and troubleshooting more straightforward during commissioning or maintenance activities.
Frequently Asked Questions
1. What system is this model primarily used for?
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The WOODWARD 8200-1312 is used in the 505XT steam turbine governor control system. It primarily handles steam turbine speed regulation, load control, and operational signal processing, serving as a core control module within the power plant's steam turbine control cabinet.
2. Can it be used to replace older 505 or 505E systems?
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It can serve as an upgrade or replacement in some projects; however, verification based on on-site I/O configuration, control logic versions, and software compatibility is required. It is generally recommended to provide the original system model number for a compatibility assessment.
3. Can the input and output signals be reconfigured?
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Yes. This model supports a configurable I/O architecture; the eight analog inputs and six analog outputs can be assigned via system parameters to map to various control variables.
4. Does it support standard industrial 4–20 mA signals?
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Yes. All analog inputs and outputs utilize the 4–20 mA industrial standard signal for interfacing with field transmitters and actuators.
5. Does the power supply require a special module?
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No additional power module is required; it operates directly on an 18–32 VDC industrial DC power supply. However, the power supply stability must meet the control cabinet's design specifications.
Our services provided
WOODWARD controller model verification and matching confirmation
505XT system spare parts supply support
Pre-shipment appearance and model inspection
Controller parameter information verification
International logistics (DHL / FedEx / UPS)
Long-term supply of industrial control system spare parts