Description
Product Overview
The Woodward 2301E 8273-1011 represents the next evolution in industrial speed control systems, combining Woodward’s proven 2301 platform with advanced digital capabilities. This microprocessor-based controller delivers precise speed regulation for critical rotating equipment including gas turbines, steam turbines, and large reciprocating engines. The 2301E 8273-1011 features enhanced communication protocols including Ethernet/IP and Modbus TCP, enabling seamless integration with modern plant control systems while maintaining backward compatibility with legacy 2301 installations. Its dual-processor architecture ensures fault-tolerant operation, with automatic bumpless transfer to backup control if primary systems fail. The ruggedized design meets military specifications for shock (50G) and vibration (15G), making the Woodward 2301E 8273-1011 suitable for offshore platforms, naval vessels, and other extreme environments. With adaptive tuning algorithms and built-in predictive maintenance capabilities, this controller reduces commissioning time while improving long-term reliability.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 2301E 8273-1011 |
| Manufacturer | Woodward |
| Product Type | Digital Speed Controller |
| Control Accuracy | ±0.1% of setpoint |
| Speed Range | 1-30,000 RPM (software configurable) |
| Input Signals | Dual MPU, 4-20mA, RTD/TC, HSSI |
| Output Signals | ±250mA servo, 4-20mA, Ethernet |
| Control Algorithms | Adaptive PID with feedforward |
| Response Time | <50ms (10-90% stroke) |
| Communication | Ethernet/IP, Modbus TCP, J1939 |
| Power Supply | 18-36V DC or 90-264V AC |
| Operating Temp. | -40°C to +85°C |
| Protection Rating | IP67 (NEMA 4X) |
| Certifications | ATEX, DNV-GL, UL, SIL 2 |
WOODWARD 2301E 8273-1011
Main Features and Advantages
Next-generation connectivity: The Woodward 2301E 8273-1011 introduces secure Ethernet communications with TLS 1.2 encryption while maintaining traditional 4-20mA interfaces. Its embedded web server provides real-time diagnostics and configuration without additional software.
Intelligent control architecture: Dual-core processors run control algorithms and communications independently, ensuring continuous operation during network disruptions. The controller’s “Learn Mode” automatically characterizes system dynamics for optimal PID tuning.
Enhanced reliability features: Built-in vibration monitoring analyzes mechanical signatures to detect developing bearing or gear issues. The 8273-1011 version adds redundant power inputs and automatic firmware validation using cryptographic signatures.
Application Field
The Woodward 2301E 8273-1011 serves demanding speed control applications:
Combined Cycle Plants: Coordinate gas and steam turbine loading
LNG Compression: Cascade control for parallel compressor trains
Naval Propulsion: Integrated control for CODLAG systems
Hydrogen Compression: Specialized metallurgy for H2 service
Aeroderivative Turbines: Ultra-fast response for grid support
WOODWARD 2301E 8273-1011
Related Products
2301E 8273-1012: Hazardous area version (ATEX Zone 1)
2301E 8273-1010: Basic version without Ethernet
ProAct XT: Advanced turbine control system
EGB-900: Digital backup governor
SPS-8240: Surge protection module
LSM-8240: Load sharing module
Installation and Maintenance
Pre-installation preparation: Verify grounding resistance (<1Ω) for noise immunity. Allocate separate VLAN for control network traffic. Configure firewall rules for Woodward-specific ports before commissioning.
Maintenance recommendations: Perform annual Ethernet connector inspections in high-vibration environments. Update cryptographic keys during scheduled outages. Monitor SSD wear percentage via embedded diagnostics. The 2301E 8273-1011 supports remote firmware updates with rollback capability.
Product Guarantee
Woodward’s 5-year extended warranty covers the 2301E 8273-1011, including performance guarantees for speed regulation accuracy. Each unit undergoes 1000-hour burn-in with thermal shock testing. Cybersecurity support includes annual vulnerability assessments and patches for the controller’s 15-year lifecycle. Critical spare parts inventory is maintained at all regional service centers.
