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Help CenterWOODWARD 5453-829 MicroNet Plus 8 Slot Chassis
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I. Overview
WOODWARD 5453-829 is a safety system accessory component, belonging to the integrated safety system of Woodward's Micronet™ product family. Its core positioning is a "auxiliary unit for safety interlock and speed monitoring of power equipment", and it is a precision industrial control component imported from the United States. Designed specifically for the safety control scenarios of power equipment such as diesel engines, gas engines and steam turbines, this component mainly undertakes key functions including speed signal acquisition, safety threshold monitoring and fault signal transfer. It can work collaboratively with Micronet™ series safety system hosts, integrating highly reliable signal isolation and fault diagnosis functions. It can effectively prevent risks such as equipment overspeed and abnormal speed, and is a core auxiliary component for ensuring the safe and stable operation of equipment in industrial scenarios such as petrochemicals, marine power and generator sets.
The component adopts a compact sealed structure design, with a protection level suitable for industrial field application requirements. It can operate in a wide temperature range of -40℃~85℃, complies with relevant IEC electromagnetic compatibility standards and industrial safety specifications, and can effectively resist the impact of field surges, electromagnetic interference, severe vibration and temperature-humidity fluctuations. It supports standardized interface installation, is equipped with anti-loosening terminals, and is highly compatible with Woodward Micronet™ safety systems and various industrial power control platforms. It balances installation convenience and operation & maintenance efficiency, can be seamlessly integrated into existing safety control networks, and provides solid support for the safety interlock control of power equipment.
II. Core Features
High-precision Speed Signal Acquisition and Monitoring: Built-in high-sensitivity signal receiving module, it can accurately collect speed signals output by magnetoelectric sensors, adapt to signal input in the frequency range of 3000-6000Hz, and can capture the speed changes of power equipment in real time. It provides accurate speed data support for the safety system, ensuring timely identification of abnormal working conditions such as overspeed and underspeed.
Enhanced Safety Interlock Collaboration Capability: As a core auxiliary component of the Micronet™ integrated safety system, it can achieve seamless collaboration with the system host and support safety threshold configuration. When detecting that the speed exceeds the preset safety range, it quickly outputs an interlock trigger signal, cooperates with the host to realize emergency shutdown or alarm of the equipment, and prevents safety accidents caused by equipment out of control.
Industrial-grade Environmental Tolerance: Adopting a sealed structure with high protection level, it can withstand a wide temperature range of -40℃~85℃ and a relative humidity of 5%~95% (non-condensing). It has excellent dustproof, anti-vibration and corrosion-resistant capabilities, and can adapt to complex working conditions such as marine engine rooms and industrial machine rooms. Its Mean Time Between Failures (MTBF) reaches a high industrial standard, meeting the requirements of 24-hour continuous operation.
Multiple Safety Protection and Anti-interference Design: Built-in signal isolation circuit and surge suppression components with excellent insulation performance, it can effectively prevent ground loop interference and transient voltage impact, ensuring signal transmission stability. Equipped with reverse polarity protection, overvoltage and overcurrent protection functions, it avoids component damage caused by wiring errors or power supply fluctuations, improving operation reliability.
Easy Integration and Operation & Maintenance Adaptability: Supports standardized rail or flange installation, can be quickly fixed in the equipment control cabinet, saving installation space; terminals with clear markings adopt anti-loosening design, facilitating on-site wiring and maintenance; compatible with specifications of technical manuals such as Woodward 26728 series, supporting parameter configuration and fault diagnosis through special software, reducing operation & maintenance difficulty.
III. Technical Parameters
| Parameter Name | Specification |
|---|---|
| Product Model | WOODWARD 5453-829 |
| Product Type | Micronet™ Safety System Accessory Component (Speed Monitoring and Safety Interlock Auxiliary Unit) |
| Product Attribute | Imported from the United States, sealed structure, suitable for safety control of industrial power equipment |
| Input Parameters | Signal Type: Magnetoelectric sensor signal; Input Frequency Range: 3000-6000Hz; Minimum Input Signal: ≥1.5Vrms |
| Power Supply Parameters | Working Voltage: 12-24VDC (wide range adaptation); With reverse polarity protection function |
| Protection and Isolation | Protection Level: IP20 (for installation in control cabinets); Insulation Strength: ≥500VAC; Built-in surge suppression and overvoltage protection |
| Environmental Adaptability | Operating Temperature: -40℃~85℃; Storage Temperature: -40℃~90℃; Relative Humidity: 5%~95% (non-condensing) |
| Compatibility and Adaptation | Compatible with Woodward Micronet™ integrated safety system and various power equipment speed sensors, conforming to the specifications of Technical Manual 26728 |
| Installation and Dimensions | Installation Method: 35mm standard DIN rail installation; Overall Dimensions: 120mm (width) × 100mm (height) × 80mm (depth); Net Weight: approx. 0.75kg |
| Additional Functions | LED status indication (power/operation/fault), fault self-diagnosis, signal isolation and filtering; Product Certification: CE, UL certification |
IV. Working Principle and Application Logic
The WOODWARD 5453-829 component realizes speed monitoring and safety interlock auxiliary control of power equipment based on the closed-loop working logic of "signal acquisition - isolation and filtering - threshold judgment - signal transfer". Its core working process is as follows:
Phase 1: Speed Signal Access and Preliminary ProcessingThe component accesses the on-site magnetoelectric speed sensor signal through dedicated terminals, and receives the speed pulse signal output in real time during equipment operation. The anti-loosening terminal design ensures stable cable connection, avoiding signal interruption caused by vibration; at the same time, it performs preliminary filtering on the input signal to suppress high-frequency interference clutter, laying the foundation for subsequent accurate monitoring.
Phase 2: Signal Isolation and Precision OptimizationThe accessed speed signal is isolated from the control loop through the built-in isolation circuit, blocking the reverse conduction of interference such as field surges and ground faults, and ensuring the stable operation of the component and the upper-level safety system host; through signal amplification and precision calibration algorithms, the pulse signal is converted into a standardized electrical signal, ensuring the accuracy of speed data to meet the requirements of safety threshold judgment.
Phase 3: Threshold Comparison and Status FeedbackThe component compares the processed speed signal with the preset safety threshold in real time, and continuously outputs a stable speed monitoring signal under normal working conditions; when detecting that the speed exceeds the safety range (overspeed, underspeed), it immediately triggers local LED alarm and quickly transfers the fault signal to the Micronet™ safety system host, providing rapid response support for interlock control.
Phase 4: System Collaboration and Safety AssuranceThe component collaborates with the safety system host in real time, receives configuration instructions and control signals issued by the host, and dynamically adjusts monitoring parameters; at the same time, it continuously monitors its own operating status. If faults such as sensor disconnection and power supply abnormality occur, it quickly identifies the fault type and uploads it, facilitating operation & maintenance personnel to troubleshoot; after the emergency shutdown of the equipment, it continuously monitors the zero speed status to provide a safety confirmation signal for equipment restart.
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