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Woodward 5501-412 Digital control system
The Woodward 5501-412 is a 220V AC main power board in the MicroNet series, providing a stable 24V DC power supply for MicroNet digital control systems. It supports single/redundant modes, features load sharing and fault switching, and is compatible with industrial turbine/generator control, ensuring continuous power supply and high reliability. The following are performance and application details:
Core Performance
Power Supply and Adaptation: Input 220V AC (compatible with AC/DC input), output 24V DC for main control and I/O modules; in redundant mode, it features current sharing and load balancing, reducing temperature rise and improving reliability.
Redundancy and Fault Tolerance
Supports 1+1 redundancy configuration, seamless switching in case of faults, ensuring uninterrupted control continuity.
Typical hold-up time ≥20ms, ensuring short-term power outages do not affect system operation.
Safety and Monitoring: Features overvoltage/overcurrent/overheat protection, outputs alarm signals in case of faults; compatible with MicroNet backplanes, supports hot-swapping (in some configurations), facilitating maintenance.
Environment and Compatibility: Operating temperature 0℃ to +60℃, vibration and electromagnetic interference resistant, suitable for industrial control cabinet installation, and compatible with MicroNet series controllers (such as 5501 series I/O and control modules).
Status Description: Woodward classifies this as an "inactive" model, but it can still be used for maintenance and spare parts replacement of existing MicroNet systems, and is compatible with classic system designs.
Email: xmxblynn@163.com
Phone: +86 18059884797
Key Technical Parameters
Parameter Value
Model 5501-412 (MicroNet 220V AC Power Supply Board)
Input Voltage 220V AC (compatible with AC/DC input)
Output Voltage 24V DC (System Main Power Supply)
Operating Mode Single module independent power supply, dual module redundant power supply
Redundancy Function Current sharing, load balancing, automatic fault switching
Holding Time ≥20ms (typical)
Operating Temperature 0℃ to +60℃
Compatible Systems MicroNet digital control systems (including I/O, control, and communication modules)
Protection Features Overvoltage, overcurrent, and overheat protection
Typical Applications
Industrial Turbine Control: Powers MicroNet controllers (such as the 505/505E series) for steam/gas/water turbines, adaptable to single/parallel units, ensuring stable speed, load, and emergency shutdown control.
Generator Control: Used for grid-connected control of diesel/gas generator sets, powering speed regulation, synchronization, and protection modules, supporting primary/standby power switching and redundant power supply. Critical Industrial Control: Adapts to petrochemical compressor units and paper/metallurgical drive systems, providing highly reliable 24V power to prevent production interruptions due to power outages.
Redundant System Upgrade: Replaces aging power modules, adding redundant power supply to the MicroNet system and improving the reliability of factory DCS/PLC linkage and remote monitoring.
Spare Parts and Maintenance: Adapts to replace faulty power boards in existing MicroNet systems, maintaining system compatibility and reducing downtime.
Email: xmxblynn@163.com
Phone: +86 18059884797
Other related product models recommended:
5501-381
5437-523
9905-970
8440-2050
5453-278
9905-972
9905-972H
5464-658
8280-423
5503-282
MRR1-D
5501-465
9905-971
9907-018
5501-376
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