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The WOODWARD 5501-1430 is a specific and highly important Digital Output (DO) Module within Woodward’s MicroNet series of industrial control systems. This module is essential for controlling discrete (on/off) devices in the field, translating digital commands from the controller into signals that can activate relays, solenoids, or other binary actuators.
1. SEO-Optimized Titles:
- WOODWARD 5501-1430: MicroNet 8-Channel Digital Output Module.
- WOODWARD 5501-1430: High-Current Digital Output for Woodward Control.
- WOODWARD 5501-1430: Industrial Digital Output for MicroNet Plus/TMR.
- WOODWARD 5501-1430: Woodward Module for Solenoid & Relay Control.
- WOODWARD 5501-1430: High-Side Driver Digital Output Module.
- WOODWARD 5501-1430: 8-Channel Relay Driver for Turbine/Engine Control.
- WOODWARD 5501-1430: MicroNet Digital Control Discrete Output.
2. Product Overview:
The WOODWARD 5501-1430 is an 8-channel Digital Output (DO) Module designed for use within Woodward’s MicroNet Digital Control Series (including MicroNet Plus and MicroNet TMR systems). It provides a crucial interface for the control system to send on/off commands to field devices. This module is specifically known for its high-side driver outputs, which are often capable of switching higher currents (e.g., up to 2A per channel) and may include current limiting or overcurrent protection, making it suitable for directly driving solenoids, relays, or indicator lights.
- Product Type: Digital Output (DO) Module
- Manufacturer: Woodward
- Series: MicroNet Digital Control (MicroNet Plus, MicroNet TMR)
- Channels: 8 channels
- Output Type: Digital (on/off), high-side driver
- Function: Activates/deactivates discrete field devices based on controller commands.
3. Detailed Product Description:
In automated industrial processes, the ability to activate and deactivate equipment with precision and reliability is paramount for sequence control, safety interlocks, and process regulation. The WOODWARD 5501-1430 serves this vital function by allowing the MicroNet control system to send robust digital commands to the field.
The 5501-1430 is an 8-channel Digital Output Module that integrates seamlessly into a MicroNet chassis. Each of its eight independent channels acts as a switch, receiving a digital “on” or “off” command from the MicroNet CPU. When commanded “on,” the module provides a voltage output (typically +24 Vdc from the system’s power supply) to power the connected device.
A key characteristic of the 5501-1430 is its high-side driver configuration. This means the switching element is on the “high” side of the load (between the power source and the load), which is often preferred for certain types of field devices and wiring schemes. These outputs are typically capable of sourcing significant current, such as up to 2 Amperes (A) per channel. This current capability makes it suitable for directly driving inductive loads like solenoids (e.g., for fuel shutoff valves, purge valves, or hydraulic actuators) or for activating industrial relays that, in turn, control larger loads.
The module often includes built-in protective features such as overcurrent protection and short-circuit protection for each channel, safeguarding both the module itself and the connected field devices from electrical faults. Fault detection and reporting for open circuits or short circuits might also be present, aiding in rapid troubleshooting.
Like other modern Woodward modules, it’s typically a “no-potentiometer, no-calibration” design. This simplifies installation and replacement, as no manual adjustments are needed, reducing maintenance time and potential human error. It often supports automatic module detection, meaning the CPU can identify the module’s presence and type, further streamlining setup.
Key Features and Benefits:
- 8 Independent Digital Output Channels: Provides high-density output capability for controlling multiple discrete devices.
- High-Side Driver Outputs: Suitable for direct control of solenoids, relays, and other inductive loads.
- High Current Capability: Each channel can typically source up to 2 A, reducing the need for intermediate relaying in many applications.
- Overcurrent/Short-Circuit Protection: Built-in safeguards protect the module and field wiring.
- No Calibration/Adjustment Required: Simplifies installation, maintenance, and module replacement.
- Automatic Module Detection: Streamlines system setup and configuration.
- Robust Industrial Design: Built to withstand demanding industrial environments, ensuring long-term reliability.
- Broad Compatibility: Integrates seamlessly with MicroNet Plus and MicroNet TMR control systems.
Technical Specifications (General, as precise details can vary slightly by sub-variant or manual version):
Typical Applications:
The WOODWARD 5501-1430 is essential in a wide range of industrial applications where discrete control of field devices is critical for safe operation, sequencing, and process control.
- Power Generation: Activating fuel shutoff solenoids, purge valves, starting sequence relays, or generator breaker trip/close coils on gas turbines, steam turbines, and generators.
- Oil and Gas Industry: Controlling emergency shutdown (ESD) valves, process interlock relays, or pump start/stop commands.
- Petrochemical and Chemical Plants: Activating safety interlocks, process alarms, or specific sequencing steps in chemical processes.
- General Industrial Automation: Any application requiring robust on/off control of high-current discrete devices directly from the control system.
