Woodward 8200-188 Rotary Actuators

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

• Advanced Control Logic: Offers configurable PID loop tuning for high-performance engine and turbine control.

• Flexible Communication Protocols: Supports Modbus RTU for seamless integration with SCADA and DCS systems.

• User-Friendly Configuration: Easily set up via Woodward’s Toolkit Software, enabling rapid deployment and real-time monitoring.

• Rugged Design: Suitable for harsh industrial environments; conforms to standard vibration, temperature, and EMC ratings.

• Powerful Diagnostics: Built-in status indicators and remote diagnostics improve system visibility and reduce downtime.

• Compact Form Factor: Space-saving design ideal for cabinet-mounted applications.

• High Stability & Reliability: Proven performance in critical energy and process industry operations.

Technical Specifications

Product Applications

The Woodward 8200-188 digital control unit is deployed in a wide range of industrial and power generation systems, including:

• Gas and diesel engine generator sets

• Steam and gas turbines

• Industrial co-generation systems

• Marine propulsion and onboard power management

• Pump and compressor driver control

• CHP and utility standby systems

• 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

1. Mounting: Install the unit on a clean, dry, and vibration-free surface. Preferably mounted inside an electrical cabinet using panel screws or DIN rails.

2. Wiring: Use shielded cables for all signal and communication lines to minimize electrical interference.

3. Power Supply: Ensure a filtered DC power source between 18 and 40 VDC.

4. Sensor Connections: Connect the MPU input and analog sensors according to Woodward’s wiring diagram provided in the product manual.

5. Configuration: Connect the control to a PC via RS-232 port and configure using the Woodward ToolKit software.

6. Testing: Perform a dry-run system test before live commissioning to verify correct functionality.

7. Safety Precautions: Always follow lockout/tagout procedures before installation or maintenance.

FAQs

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.