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The 5503-251J Woodward Atlas Controller delivers precise engine and generator control for demanding industrial power applications.
Moreover, this controller combines advanced processing with flexible I/O to support reliable speed, load, and power management.
Therefore, engineers select the 5503-251J when systems require stable operation, fast response, and long-term field reliability.
| Item | Specification |
|---|---|
| Manufacturer | Woodward |
| Product Model | 5503-251J |
| Product Family | Atlas Controller Series |
| Controller Type | Engine and Generator Control Module |
| Primary Function | Speed control, load control, and power management |
| Control Architecture | Digital closed-loop control system |
| Processor Type | High-performance embedded microprocessor |
| Control Modes | Isochronous control, droop control, base load control |
| Supported Engine Types | Diesel engines, gas engines |
| Supported Systems | Generator sets, mechanical drive systems |
| Analog Inputs | Multiple configurable analog inputs for sensors |
| Digital Inputs | Discrete digital inputs for status and protection signals |
| Speed Inputs | Dedicated speed sensing inputs for magnetic pickup sensors |
| Analog Outputs | Configurable analog outputs for actuator control |
| Discrete Outputs | Relay or solid-state outputs for alarms and control |
| Communication Interfaces | CAN bus, serial communication ports |
| Communication Protocols | Woodward proprietary and standard industrial protocols |
| Configuration Software | Woodward Atlas configuration and tuning software |
| Parameter Adjustment | Software-based setup and online tuning |
| Diagnostic Features | LED status indicators, software diagnostics |
| Protection Functions | Overspeed, underspeed, fault detection, shutdown logic |
| Power Supply Type | Industrial DC power input |
| Power Redundancy Support | External redundancy via system design |
| Mounting Method | Panel-mounted controller |
| Housing Type | Industrial-grade enclosure |
| Environmental Suitability | Designed for harsh industrial environments |
| Operating Temperature Range | Suitable for continuous-duty industrial operation |
| Vibration Resistance | Engine and generator-rated vibration tolerance |
| EMC Compliance | Designed for industrial electromagnetic environments |
| Typical Service Life | Long-term continuous industrial operation |
| Maintenance Requirements | Minimal routine maintenance |
| Compatibility | Designed for Woodward actuators and sensors |
| System Integration | Supports standalone and networked control systems |
Q1: Is the Woodward 5503-251J brand new and original?
A1: Yes, all 5503-251J units are brand-new, original Woodward factory products.
Q2: Do you keep the 5503-251J in stock?
A2: Yes, we maintain ready inventory of 5503-251J controllers for prompt fulfillment.
Q3: How fast can the 5503-251J ship after ordering?
A3: Orders usually ship within three days to two weeks, depending on order quantity.
Q4: Which logistics carriers handle delivery?
A4: We commonly ship 5503-251J units via DHL and other trusted international carriers.
Q5: What systems typically use the 5503-251J Atlas Controller?
A5: The 5503-251J supports generator sets, engine-driven equipment, and industrial power control systems.
Q6: What is the return policy if quality issues occur?
A6: We support returns or exchanges within thirty days if verified quality problems arise.
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.

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