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Product Introduction
The Woodward 8200-188 is a sophisticated and reliable digital control module designed specifically for prime mover applications, especially in industrial engines, turbines, and generators. Built with Woodward’s industry-leading control logic and field-proven technology, this unit provides highly flexible, programmable logic control with precise speed governing and integrated diagnostics.
This module belongs to the 2301D Digital Control family and is often selected in mission-critical operations where stability, control accuracy, and configuration versatility are non-negotiable. The 8200-188 provides enhanced connectivity features, including Modbus communications, as well as robust PID control for speed and load-sharing functions.
Product Features & Advantages
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Advanced Control Logic: Offers configurable PID loop tuning for high-performance engine and turbine control.
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Flexible Communication Protocols: Supports Modbus RTU for seamless integration with SCADA and DCS systems.
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User-Friendly Configuration: Easily set up via Woodward’s Toolkit Software, enabling rapid deployment and real-time monitoring.
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Rugged Design: Suitable for harsh industrial environments; conforms to standard vibration, temperature, and EMC ratings.
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Powerful Diagnostics: Built-in status indicators and remote diagnostics improve system visibility and reduce downtime.
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Compact Form Factor: Space-saving design ideal for cabinet-mounted applications.
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High Stability & Reliability: Proven performance in critical energy and process industry operations.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | 8200-188 |
| Control Type | Digital Speed and Load Control |
| Communication Protocol | Modbus RTU (RS-485) |
| Configuration Interface | PC-based via RS-232 |
| Power Supply | 18–40 VDC |
| Operating Temperature Range | -40°C to +70°C |
| Mounting | Panel Mount (DIN rail optional) |
| Inputs | 3 analog inputs, 3 digital discrete inputs |
| Outputs | 3 analog outputs, 3 discrete outputs |
| Speed Sensor Signal | MPU (Magnetic Pickup Unit) |
| Dimension | 261 × 173 × 57 mm |
| Weight | 2.6 kg |
| Compliance Standards | CE, UL, RoHS, CSA, Marine Certifications |
| Software Support | Woodward ToolKit and RSConfig |
Product Applications
The Woodward 8200-188 digital control unit is deployed in a wide range of industrial and power generation systems, including:
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Gas and diesel engine generator sets
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Steam and gas turbines
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Industrial co-generation systems
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Marine propulsion and onboard power management
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Pump and compressor driver control
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CHP and utility standby systems
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Distributed power and microgrid installations
Its robust performance and communication capability make it ideal for both stand-alone and integrated control applications in oil & gas, marine, and industrial automation sectors.
Installation Guidelines
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Mounting: Install the unit on a clean, dry, and vibration-free surface. Preferably mounted inside an electrical cabinet using panel screws or DIN rails.
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Wiring: Use shielded cables for all signal and communication lines to minimize electrical interference.
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Power Supply: Ensure a filtered DC power source between 18 and 40 VDC.
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Sensor Connections: Connect the MPU input and analog sensors according to Woodward’s wiring diagram provided in the product manual.
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Configuration: Connect the control to a PC via RS-232 port and configure using the Woodward ToolKit software.
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Testing: Perform a dry-run system test before live commissioning to verify correct functionality.
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Safety Precautions: Always follow lockout/tagout procedures before installation or maintenance.
10 FAQs About Woodward 8200-188
Q1: What is the main function of the 8200-188 controller?
A1: It is used for digital speed and load control of engines and turbines in industrial automation.
Q2: Can this device be used in marine applications?
A2: Yes, it is certified and suitable for marine engine control and auxiliary systems.
Q3: Is configuration possible without specialized software?
A3: No, configuration must be done using Woodward’s ToolKit software or RSConfig.
Q4: What is the preferred speed sensing method?
A4: Magnetic pickup (MPU) sensors are typically used for speed input.
Q5: Does this support load sharing between multiple gensets?
A5: Yes, it offers load sharing functions using analog or digital interface methods.
Q6: What communication protocols are available?
A6: Modbus RTU over RS-485 is the supported communication protocol.
Q7: Is firmware upgradeable in the field?
A7: Yes, firmware updates can be done via the RS-232 communication interface.
Q8: What kind of power filtering is recommended?
A8: It’s best to use an isolated, regulated DC power supply with transient suppression.
Q9: Is there protection against short circuits on output lines?
A9: The output drivers are protected; however, external fusing is still recommended.
Q10: Can it be integrated with SCADA systems?
A10: Yes, the controller communicates effectively with SCADA via Modbus RTU.
Related Models (Same Series or Functional Equivalents)
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Woodward 8200-130 – Basic digital control module without Modbus
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Woodward 8200-150 – Expanded I/O variant with enhanced control logic
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Woodward 8200-151 – Redundant power input version
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Woodward 9905-014 – Analog predecessor for simple engine applications
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Woodward 2301D-ST – Standard torque-speed control for small engines
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Woodward 8440-2073 – Compact microcontroller with advanced load sharing
Popular Models from the Same Brand (with Key Specs)
| Model Number | Description | Size (mm) | Weight (kg) | Voltage Range |
|---|---|---|---|---|
| 2301D | Digital Load Sharing & Speed Control | 241 × 178 × 64 | 1.9 | 18–40 VDC |
| 9905-014 | Analog Engine Speed Control | 210 × 160 × 50 | 1.2 | 20–32 VDC |
| 505E | Steam Turbine Control | 280 × 200 × 80 | 2.8 | 18–32 VDC |
| 723PLUS | Comprehensive Engine Management | 300 × 220 × 90 | 3.5 | 18–40 VDC |
| 8440-2080 | Genset Control Module | 270 × 180 × 70 | 2.2 | 24 VDC |
| 9907-205 | Generator Load Control | 235 × 175 × 60 | 1.7 | 20–40 VDC |
| 505XT | Advanced Steam Turbine Controller | 305 × 240 × 95 | 3.9 | 18–40 VDC |
| 5418-752 | Remote Actuator Interface | 200 × 140 × 50 | 1.5 | 24 VDC |
