8200-188 Woodward | MicroNet Atlas Digital Valve Positioner

Product Overview

The 8200-188 (Model: 8200-188) is a high-performance Digital Valve Positioner (DVP) module engineered by Woodward for integration with MicroNet™ and Atlas control platforms. This module is designed to provide precision control of hydraulic or pneumatic actuators, ensuring accurate valve positioning in critical prime mover applications.

As a programmable unit, the 8200-188 (Part Number: 8200-188) utilizes Woodward’s Graphical Application Program (GAP™) for custom logic development. It serves as a bridge between the control system's electronic signals and physical valve movement, offering high-speed processing and robust diagnostic feedback. This module is essential for maintaining the stability and efficiency of turbine and engine control systems where deterministic positioning is a non-negotiable requirement.

Detailed Technical Specifications

The 8200-188 is defined by the following technical parameters and software compatibility requirements:

• Manufacturer: Woodward

• Model Number: 8200-188

• Module Type: Digital Valve Positioner (DVP)

• Platform Compatibility: MicroNet™, Atlas, and 723/828 Control Systems

• Programming Software: Woodward GAP™ (Graphical Application Program)

• Configuration Interface: RS-232/RS-485 Serial or Network-based via CPU

• I/O Resolution: High-precision 16-bit analog processing

• Software Licensing:

• GAP Programmer License: 8928-810 (Required for custom programming)

• Monitor-GAP License: 8928-5007 (Required for real-time data visualization)

• Operating Modes: Supports Autonomous, Slave, and NetSim™ simulation modes

• Input Power: Internal bus power via MicroNet backplane

• Isolation: Fully isolated I/O to prevent ground loops in industrial environments

• Diagnostics: Real-time superimposition of run-time values via Monitor-GAP service tool

• Operating Temperature: -40 °C to +70 °C

Industrial Application Scenarios

The 8200-188 (Part Number: 8200-188) is strategically utilized in high-reliability energy and industrial sectors:

• Gas Turbine Control: Precise modulation of fuel valves to maintain optimal combustion and load stability.

• Steam Turbine Governing: Actuator control for inlet valves to regulate turbine speed and extraction pressures.

• Compressor Stations: Managing anti-surge valves and bypass systems in natural gas transmission.

• Power Generation: Interfacing with large-scale engine actuators for frequency and voltage regulation in island or grid-parallel modes.