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The WOODWARD 8200-1205 is a key Digital Output (DO) Module within Woodward’s LinkNet-HT distributed I/O family. It’s designed to efficiently control a significant number of on/off devices in industrial applications.
1. SEO-Optimized Titles:
- WOODWARD 8200-1205: 16-Channel Digital Output Module (LinkNet-HT).
- WOODWARD 8200-1205: High-Density Discrete Output for Industrial Control.
- WOODWARD 8200-1205: Woodward LinkNet-HT On/Off Control Module.
- WOODWARD 8200-1205: Distributed I/O for Solenoids and Relays.
- WOODWARD 8200-1205: Industrial Control System Actuator Module.
2. Product Overview:
The WOODWARD 8200-1205 is a 16-channel Digital Output (DO) module designed for use within Woodward’s LinkNet-HT (High-Temperature) series of distributed I/O. Its primary function is to receive binary (on/off) commands from the main control system and actuate a large number of discrete field devices, such as solenoids, relays, and indicator lights.
- Product Type: Digital Output (DO) Module
- Manufacturer: Woodward
- Series: LinkNet-HT (High-Temperature)
- Channels: 16 Digital Output Channels
- Function: Controls the on/off state of various field devices.
3. Detailed Product Description:
The WOODWARD 8200-1205 is a robust and high-density solution for controlling discrete devices in industrial settings managed by Woodward control systems (like the 505XT or MicroNet systems via a gateway). As part of the LinkNet-HT series, it’s engineered for deployment in harsh industrial environments and leverages the benefits of distributed I/O.
Here’s a closer look at its features and function:
- 16 Digital Output Channels: This module provides a significant number of output points, allowing the control system to command a large array of binary devices in the field. These outputs are commonly used to:
- Activate Solenoids: For controlling pneumatic or hydraulic valves (e.g., fuel shutoff valves, purge valves).
- Energize Relays: To switch higher power loads, start motors, or implement interlocks.
- Control Indicator Lights/Lamps: For visual feedback on equipment status or alarms.
- Start/Stop Motors or Pumps: Via motor control centers (MCCs) or contactors.
- LinkNet-HT Communication: The module communicates over Woodward’s LinkNet-HT protocol. This is a high-speed, robust, and deterministic CANopen-based communication network. LinkNet-HT enables these I/O modules to be strategically placed throughout the plant, closer to the actuators. This significantly reduces the amount of field wiring, minimizes noise interference, and enhances overall system flexibility and troubleshooting. The “HT” in LinkNet-HT signifies its capability to operate reliably in environments with higher ambient temperatures and vibrations.
- Output Protection and Reliability: The 8200-1205 is designed with built-in protection features for its outputs, such as overcurrent protection and short-circuit protection. This safeguards both the module and the connected field devices from electrical faults. Woodward’s reputation for industrial-grade hardware ensures long-term reliability in demanding operational conditions.
- Integration with Control Systems: The module receives digital commands from the main control system and executes them on the field devices. This digital output control is vital for:
- Sequential Control: Managing complex startup, shutdown, and operational sequences by activating specific devices at precise times.
- Interlocks: Enabling or disabling equipment based on safety or process conditions.
- Alarm Acknowledgment/Reset: Controlling visual or audible alarms.
- Safety Shutdowns: Actuating critical valves or trip relays in emergency situations.
This module provides a cost-effective and reliable means for extensive digital control, acting as a robust interface between the control logic and the plant’s operational equipment.
4. Technical Specifications (General)
5. Typical Applications:
The WOODWARD 8200-1205 is widely used in industrial applications where comprehensive control of on/off devices is crucial for automation, safety, and operational efficiency:
- Gas and Steam Turbines: Controlling fuel shutoff valves, vent valves, ignition system components, lube oil pump contactors, and various alarm annunciators during startup, operation, and shutdown sequences.
- Compressor Stations: Actuating recirculation valves, blow-down valves, and motor start/stop commands for compressor drives.
- Process Control: In chemical plants, refineries, and other industries, controlling pumps, fans, conveyors, and safety interlock actuators.
- Balance-of-Plant Control: For controlling auxiliary systems like cooling fans, lighting, and general utility equipment within large industrial facilities.
