Description

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　　 9907-165  Other Names:

Input/Output Unit 9907-165

9907-165  Analog Unit

Control Unit 9907-165

　　Product Overview

Model Positioning: Belongs to the Woodward 505E series second-generation digital speed controller, specifically designed for single-suction/intake applications of steam turbines, supporting precise speed and load regulation.

Core Functions: Integrated 32-bit microprocessor, supports field programming, can operate independently or be integrated with DCS/PLC systems to achieve isochronous operation, critical speed avoidance, overspeed protection, load limiting, and extraction pressure control functions.

　　Classic Core Product Series

505/505E Series Digital Speed ​​Controllers

Model Examples: 9907-165 (Second Generation 505E), 9907-164, 9907-165

Technical Features:

Input Voltage: 88-264 Vac/90-150 Vdc (High Voltage) or 18-32 Vdc (Low Voltage)

Control Accuracy: Speed ​​control ±0.25%, Load control ±1%

Communication Interface: RS-232/422/485, Ethernet, supports Modbus protocol

Environmental Adaptability: IP54/NEMA 4/4x protection, operating temperature -40°C to +85°C, vibration resistance rating MIL-STD-810C

Output configuration: 2 actuator outputs, 8 relay outputs, 6 programmable 4-20mA current outputs

Application scenarios: Industrial steam turbines, small grid generators, turbine expanders, extraction steam turbines (model 505E)

　　TG Series Mechanical-Hydraulic Speed ​​Regulators

Model examples: TG-13, TG-17, TG-13E, TG-17E

Technical specifications Features: Self-contained independent oil source, suitable for zero-delay speed regulation or load distribution in small steam turbines; maximum output shaft rotation angle 40°; recommended stroke 2/3 full stroke.

　　2301 Series Controller

Model Examples: 2301A, 2301D-ST, 2301D-EC

Technical Features: Supports dual dynamic PID control for speed/load, compatible with DCS systems, equipped with a communication serial port (RS232)

　　Technical Specifications

Electrical Parameters:

Input Voltage: 88-264 Vac or 90-150 Vdc (some models support 18-32 Vdc).

Output Interface: 2 actuator outputs, 8 relay outputs, 6 programmable current outputs; supports Modbus/CANbus communication.

Display Interface: Multilingual HMI screen, 2 lines, 12 characters resolution, 30 analog buttons.

Physical Characteristics:

Dimensions: 19 inches wide × 12.244 inches high × 5.62 inches deep, weight < 17 lbs.

Protection Rating: NEMA 4/4X, IP54/IP67, dustproof and waterproof, suitable for environments from -25°C to +60°C (extended version can reach -40°C to +85°C).

Shock Resistance: Meets MIL-STD-810C standards, withstands vibration of 1.5g (5-500Hz).

Functional Highlights:

Control Modes: Supports automatic/semi-automatic/manual start, with critical speed avoidance, automatic warm-up logic, and self-diagnostic functions.

Protection Mechanisms: Independent overspeed protection device, watchdog timer, electrostatic discharge protection (ESD).

Expandability: Configurable FPGA architecture, supports real-time signal processing algorithms, adaptable to multi-parameter control (speed, pressure, load distribution, etc.).

High Reliability Design: Employs triple-redundant CPU/I/O (e.g., the 5009 fault-tolerant controller), CE/UL/cUL certified, suitable for overspeed protection in high-speed (>10,000 rpm) scenarios (ProTech 203 system).

Flexible Configuration Capabilities: Field-programmable menus support speed/load/synchronization control, critical speed avoidance, automatic start sequence (hot/cold start), and password protection.

Integrated Solution: Combines current-pressure converters (CPC), servo position controllers (SPC), electro-hydraulic amplifiers (EG-3P), etc., to achieve end-to-end control from signal acquisition to execution.

Application Areas:

Industrial Scenarios: Power, petroleum, chemical, shipbuilding, and other industries; suitable for utility power plants, industrial power plants, combined heat and power plants, district heating plants, etc.

Equipment Types: Steam turbines, gas turbines, hydraulic turbines, wind turbines, etc. Power Generation: In large power plants, the 9907-164 controller improves power generation efficiency by 10%-15% and reduces downtime by over 30% through precise speed/load control.

Industrial Drives: Used for speed control of pumps, compressors, conveyors, and other equipment, supporting stable operation in harsh environments (high temperature, high humidity, electromagnetic interference).

Marine and Energy: Applied to marine propulsion systems, oil and gas field equipment, data center backup power supplies, and other scenarios, ensuring the efficient and reliable operation of critical equipment.

Certifications and Standards:

Certifications: CE, UL, cUL, compliant with NEMA 4/4X and IP54/IP67 protection standards.

Standards: Meets MIL-STD-810C seismic requirements, ensuring stability in harsh environments.

　　Latest Technology Updates

Sustainability: Investing in R&D of Sustainable Aviation Fuel (SAF), electrification, and emissions reduction technologies to support customers’ transition to net-zero emissions.

Innovation Expansion: Acquiring EthosEnergy’s iCON Controls business in 2025 to enhance gas turbine control capabilities; launching the Rock Cut Automation Lab in 2026 to drive smart manufacturing upgrades.

Market Performance: Record industrial sales in 2024, significant growth in China’s highway business, and aerospace sales growth of 15%.

　　All products on this website are special products, and market prices are constantly fluctuating.

　　Please refer to customer service for specific pricing information, as the prices are not accurate for new products.

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