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- Woodward
- 8200-226
- Servo Position Controller
- USA
- 250 × 160 × 60 mm
- 1.5 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Woodward 8200-226 Servo Position Controller is an industrial control module used to regulate servo position in turbine and engine control applications. It interfaces the control system with a servo actuator, converting the required position command into an appropriate control response so that the actuator can reach and maintain the commanded position.
In a typical installation, the controller works with a servo actuator, position feedback device, turbine or engine control system, and associated wiring. It is particularly suitable for applications where accurate actuator positioning is required for governing or regulating mechanical equipment.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Woodward |
| Model | 8200-226 |
| Product Type | Servo Position Controller |
| System Role | Servo Position Control |
| Application | Turbine / Engine Control |
| Dimensions | 250 × 160 × 60 mm |
| Weight | 1.5 kg |
Product Features
- Woodward servo position control module
- Intended for precise actuator-position control
- Interfaces control commands with servo-actuation equipment
- Suitable for turbine and engine control systems
- Can work with position feedback from the associated actuator
- Supports closed-loop position regulation
- Suitable for industrial control applications
- Dimensions: 250 × 160 × 60 mm
- Weight: 1.5 kg
Working Principle
The 8200-226 operates as part of a servo positioning loop.
A typical control path is:
Control System → 8200-226 → Servo Actuator → Mechanical Load
with feedback returning through the position-sensing circuit:
Position Feedback → 8200-226 → Position Correction
The controller compares the commanded actuator position with the available feedback signal. When there is a difference between the commanded and actual position, the controller adjusts the servo control output to reduce the error.
This closed-loop arrangement allows the actuator to move toward the required position and maintain that position as operating conditions change.
Industrial Applications
| Application | Typical Use |
|---|---|
| Steam Turbines | Servo actuator positioning |
| Gas Turbines | Control-valve or actuator regulation |
| Engine Control | Mechanical actuator positioning |
| Power Generation | Turbine governing systems |
| Industrial Turbomachinery | Servo-controlled equipment |
| Compressor Systems | Actuator and control-element positioning |
| Process Equipment | Closed-loop actuator control |
| Mechanical Governing Systems | Position regulation |
Compatible System Components
| Component | Function |
|---|---|
| Woodward 8200-226 | Servo position control |
| Servo Actuator | Converts control signal into mechanical movement |
| Position Feedback Device | Measures actual actuator position |
| Turbine / Engine Controller | Generates the required position command |
| Control Valve / Mechanical Linkage | Performs the final regulating action |
| Power Supply | Provides operating power |
| Field Wiring | Carries command and feedback signals |
The exact actuator, feedback device, and controller combination should be verified against the specific Woodward control-system configuration.
Installation and Maintenance
The 8200-226 should be installed in a suitable control enclosure or equipment location with appropriate power, command, feedback, and actuator connections.
Servo-control systems require careful attention to feedback wiring because an incorrect position signal can cause inaccurate actuator movement.
Recommended checks include:
- Confirm the complete 8200-226 model number.
- Verify compatibility with the existing Woodward control architecture.
- Check the servo actuator interface.
- Verify position-feedback wiring and polarity.
- Inspect terminals and connectors for looseness.
- Check power connections.
- Verify command and feedback signals.
- Confirm the actuator moves in the correct direction.
- Check the commanded position against actual position.
- Inspect associated mechanical linkages for excessive play or binding.
If the actuator oscillates, fails to reach the commanded position, or remains at an incorrect position, check the feedback circuit, actuator condition, mechanical linkage, configuration, and wiring before replacing the controller.
Recommended Related Models
| Model / Component | Type | Primary Function | Application |
|---|---|---|---|
| Woodward 8200-226 | Servo Position Controller | Servo position regulation | Turbine / engine control |
| Woodward 8200-188 | Digital Valve Positioner | Valve positioning | Industrial control |
| Woodward 8200-182 | Turbine Driver Module | Turbine drive control | Turbomachinery |
| Woodward 8200-182mDVP | Turbine Driver | Turbine control | Turbomachinery |
| Woodward 8200-1311 | Digital Governor Module | Governor control | Engine / turbine systems |
| Woodward 8200-1508 | Digital Control Module | Digital control | Industrial control |
For replacement applications, verify the complete Woodward part number, actuator interface, feedback requirements, control architecture, and application-specific configuration rather than selecting a controller based only on physical dimensions.
Key Advantages
- Servo position control functionality
- Suitable for closed-loop actuator regulation
- Supports precise mechanical positioning
- Applicable to turbine and engine control systems
- Interfaces with servo actuators and position feedback
- Suitable for industrial turbomachinery
- Compact control-module format
- Dimensions of 250 × 160 × 60 mm
- Stated weight of 1.5 kg
Technical FAQs
What is the Woodward 8200-226 used for?
The 8200-226 is used to control the position of a servo actuator in industrial turbine, engine, and turbomachinery control applications.
How does the 8200-226 control servo position?
It uses a commanded position together with position feedback to determine the difference between the required and actual actuator positions. The controller then adjusts its output to reduce this positioning error.
What equipment normally works with the 8200-226?
A typical system includes a servo actuator, position feedback device, turbine or engine controller, power supply, and associated mechanical control element such as a valve or linkage.
What should be checked before replacing an 8200-226?
Verify the complete part number, actuator compatibility, feedback-signal requirements, control-system architecture, wiring, power requirements, and application configuration. Physical dimensions alone cannot establish functional compatibility.