Description

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　　Other names for 5464-656:

Control Unit 5464-656

5464-656 Analog Unit

Turbine Control Unit 5464-656

　　Technical Parameters and Characteristics

Basic Positioning: Belongs to WOODWARD industrial control system spare parts, 4-channel actuator design, suitable for multi-channel collaborative control scenarios (such as precise adjustment of gas turbines, steam turbines, compressors, etc.).

Signal Processing: Supports digital signal output, has high-precision speed measurement capability (frequency range 50Hz-25kHz), strong anti-interference capability, and adapts to complex industrial environments.

Structural Features: Modular design, including actuator cylinder, output shaft, piston assembly, adjusting bolts, etc. Supports single-acting (spring return) or double-acting modes. Requires regular maintenance of key components (such as O-rings, bearings, and seals).

Environmental Adaptability: Oil-resistant, waterproof, and dustproof, supports extreme temperatures from -40℃ to +200℃, explosion-proof rating EXd II CT6.

Mechanical Characteristics: Heat-treated steel moving parts, fluorocarbon seals, independent oil source design, output shaft with serrated spline, supports vertical/horizontal installation.

　　Core Series

DYNA 2000 Series: Linear actuator, operating voltage 12/24Vdc±20%, ambient temperature -55°C to +125°C, sealing rating IP65/IP67, suitable for speed control, generator sets, forklifts, pump sets, etc. Typical model such as DYNC-10202-000-0-12, supports outdoor and underwater operations.

TG-13E/TG-17E Series: Electro-hydraulic actuators, with independent oil supply, output torque 16.5 N.m/23.7 N.m, control signal 20-160mA, 42° full-stroke rotation output angle, compliant with UL standards, suitable for load control of steam turbines, compressors, fans, etc., compatible with 2301/2500/501 controllers.

VariStroke-I Series: Electro-hydraulic actuators, supporting configuration (input/output configuration, linearization, warning/stop settings), suitable for high-precision control scenarios such as industrial automation and process control.

5464 Series: Includes models 5464-337, 5464-648, 5464-654, commonly used for speed/load control of steam turbines/generator sets, estimated accuracy ±0.5%, operating voltage 220V±10%, ambient temperature 0-50℃.

Series Related: The 5464 series belongs to the WOODWARD actuator/controller product line. Common models include 5464-337, 5464-648, and 5464-654, primarily used in speed/load control and electro-hydraulic conversion systems for steam turbines and generator sets.

　　Typical Application Areas

Industrial Applications: Steam turbine/generator set speed control, diesel/gas engine speed control, pump/compressor load distribution, petrochemical/power/metallurgical process control.

Special Applications: Aero-engine control, turbine machinery synchronization, papermaking machinery, marine propulsion systems, high-speed turbine overspeed protection (e.g., ProTech 203 system).

Modification Projects: Replacement of PGPL/PGL/PGD type speed governors with PG-PL speed governors without altering the original drive linkage mechanism, suitable for retrofitting existing machines.

　　System Compatibility

Controller Compatibility: Works with 2301, 505 series, NetCon, MicroNet, and 5009 fault-tolerant controllers, supporting DCS/PLC system integration.

Accessory Matching: The current-pressure converter (CPC) converts 4-20mA signals to hydraulic output, adapting to pressure-type servo systems or single-acting power cylinders.

Communication Protocols: Supports DeviceNet, 4-20mA, Modbus, and other signal transmission protocols, equipped with an LVDT feedback interface.

Core Applications: Widely used in power plants (steam turbine/pump speed monitoring), petrochemicals (compressor/fan control), and industrial automation (robot/production line speed synchronization).

Compatibility: Compatible with WOODWARD 505/505E controllers, MicroNet systems, etc., supporting DeviceNet or 4-20mA signal commands, meeting high-precision and redundancy control requirements.

　　Installation and Maintenance Points

　　Installation Specifications

Protection Rating: IP65 for outdoor/humid environments, IP67 for underwater operations, and EXd II CT6 grade actuators for explosion-proof locations.

Mechanical Installation: The actuator axis must be parallel to the valve stem to avoid additional stress; bolts must be tightened regularly to prevent loosening due to vibration.

Electrical Connection: Match the power supply voltage (AC 220V/380V or DC 24V), use shielded cables to reduce interference, and equip with fuses/circuit breakers to prevent short circuits.

　　Maintenance

Daily Inspection: Clean surface dust and oil stains, lubricate gear sets/bearings (with high-temperature grease), and check the insulation resistance of the electrical system.

Troubleshooting: Regularly calibrate the zero/full-stroke position, troubleshoot signal transmission abnormalities (such as interference, sensor malfunction), and replace seals/hydraulic oil (compliant with SAE 10-50 standards).

Safety Measures: Equip with a mechanical manual override device for manual operation in case of emergency power failure; install a cooling fan in high-temperature environments and wrap with insulation material in low-temperature environments.

　　Maintenance and Operation

Maintenance Points: Regularly check the air supply pressure, seal condition, bearing wear, and stroke calibration. When disassembling, disconnect the air supply first, then disassemble the end cover, piston, output shaft, etc., in sequence. Replace worn-out O-rings, bearings, and thrust washers. After reassembly, perform stroke adjustment (e.g., calibrate for 0° closed and 90° open positions).

Storage Requirements: When not in use, store in a dry, room-temperature environment. Avoid removing the plastic cap from the air supply port.

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