Bently Nevada 136188-02: Redundant Power Supply Module for 3500 Monitoring System
Product Description
The Bently Nevada 136188-02 is a high-reliability redundant power supply module, a critical component of the Bently Nevada 3500 Machinery Protection and Condition Monitoring System. Designed to deliver stable and uninterrupted power to all modules within the 3500 rack, this dual-channel module converts AC input power into regulated DC power. It features hot-swappable functionality and automatic failover, ensuring continuous operation even if one channel fails. By providing consistent power to vibration monitors, communication modules, and I/O modules, it safeguards the integrity of machinery monitoring data, making it indispensable for protecting critical industrial assets in high-stakes environments.
Product Parameters
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Parameter
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Specification
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Module Type
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Redundant power supply module for 3500 system
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Input Voltage
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100–240 VAC, 50/60 Hz (dual input for redundancy)
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Output Voltage
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24 VDC ± 0.5 VDC
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Maximum Output Current
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5.0 A per channel; 10.0 A total (dual channels)
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Efficiency
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>88% at full load
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Protection Features
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Overload protection, short-circuit protection, over-voltage protection
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Redundancy Configuration
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Hot-swappable dual channels with automatic failover
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Operating Temperature
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0°C to 65°C (32°F to 149°F)
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MTBF (Mean Time Between Failures)
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>120,000 hours
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Product Specifications
- Dimensions: 160 mm (width) × 100 mm (height) × 205 mm (depth) (6.3 in × 3.9 in × 8.1 in), designed for single-slot installation in 3500 system racks.
- Weight: Approximately 2.4 kg (5.3 lbs), robust yet manageable for rack installation and hot-swap maintenance.
- Mounting: Rack-mounted in 3500 system enclosures with secure locking rails, resistant to vibration in industrial settings.
- Indicators: LED status lights for power input, output voltage, and fault alerts per channel, providing instant visual diagnostics.
- Input Connectors: Dual AC input terminals with screw-type connections for secure wiring and redundancy.
- Output Distribution: Backplane power delivery to 3500 modules; auxiliary DC output terminals for external devices (optional).
- Isolation: 2500 VAC galvanic isolation between input and output to prevent electrical noise and ground loops.
- Certifications: Complies with IEC 60950-1 (safety), IEC 61326 (EMC), UL 508 (industrial control), and ATEX Zone 2 for hazardous environments.
Series
The 136188-02 is an integral part of the Bently Nevada 3500 series, a comprehensive suite of machinery protection and condition monitoring solutions. The 3500 series includes modular components such as vibration monitors, communication modules, I/O modules, and power supplies, all engineered for seamless integration. Renowned for scalability—supporting 1 to 40+ monitoring points—and redundancy features, the series adheres to global standards like API 670 and ISO 13709. Trusted across industries, it protects critical rotating machinery in power generation, oil & gas, and chemical processing. The 136188-02 enhances the series by ensuring reliable power infrastructure, a cornerstone of uninterrupted monitoring.
Features
Dual-Channel Redundancy
Two independent power channels operate in parallel, with automatic failover if one channel fails. This eliminates single points of failure, ensuring 24/7 power supply to critical monitoring components.
Hot-Swappable Design
Channels can be replaced without powering down the system, enabling maintenance during operation and minimizing downtime for repairs or upgrades.
Wide Input Voltage Range
100–240 VAC input compatibility supports global deployment, adapting to varying facility power grids in regions with different electrical standards.
Comprehensive Protection
Overload, short-circuit, and over-voltage protection mechanisms safeguard 3500 modules from electrical anomalies, preventing damage and ensuring long-term reliability.
High Efficiency
88% efficiency at full load reduces energy waste, lowering operational costs and minimizing heat generation in control cabinets.
Function
The primary function of the 136188-02 is to supply regulated 24 VDC power to all modules in the 3500 system rack. It converts incoming AC power from the facility into clean, stable DC power, filtering out electrical noise and transients that could disrupt sensitive monitoring equipment. Under normal operation, both channels share the load; if one channel fails, the other instantly ramps up to full capacity to maintain uninterrupted power. Built-in diagnostics monitor voltage levels, current draw, and channel health, with fault alerts transmitted to the 3500 system for operator notification.
Use
Installed in the bottom slot of the 3500 system rack, the module connects to facility AC power via dual inputs (for redundancy). It distributes 24 VDC power to rack-mounted modules, including vibration monitors, speed sensors, and communication interfaces. LED indicators on the front panel provide real-time status of each channel, allowing operators to quickly identify faults. During maintenance, faulty channels are hot-swapped to restore full redundancy, ensuring continuous machinery protection without interrupting monitoring operations.
Application Fields
Power Generation
Provides redundant power to turbine, generator, and pump monitoring systems in coal, gas, and nuclear plants. Ensures uninterrupted protection of assets critical to electricity production, where downtime could cost millions in lost revenue.
Oil and Gas
Powers compressor, pipeline pump, and gas turbine monitoring modules in upstream drilling rigs, midstream pipelines, and downstream refineries. Withstands harsh environments to prevent power-related monitoring failures in remote or hazardous locations.
Chemical Processing
Supplies stable power to reactor agitator and motor monitoring systems, withstanding corrosive atmospheres and temperature fluctuations. Ensures continuous data acquisition for compliance with safety and quality standards.
Pulp and Paper
Delivers reliable power to paper machine roller and dryer monitoring modules, maintaining consistent operation in humid environments. Prevents monitoring system outages that could disrupt production schedules.
Mining and Metals
Withstands rugged conditions in mining operations to power crusher, conveyor, and mill drive monitoring systems. Ensures uninterrupted protection of equipment in remote locations where maintenance access is limited.
In summary, the Bently Nevada 136188-02 is a vital power supply module that underpins the reliability of the 3500 Machinery Protection System. Its redundant design, robust protection features, and global compatibility make it essential for industries where uninterrupted machinery monitoring is critical to safety, productivity, and operational efficiency.
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