Product Introduction: 3500/42-09-02 140734-02 + 140471-01
The 3500/42-09-02 140734-02 and 140471-01 together form a Redundant Power Supply System for the Bently Nevada 3500 Machinery Protection System. This specific configuration features the 3500/42-09-02 module, which is a high-reliability, hot-swappable power supply, designed to operate in a redundant (1-out-of-1 or 1-out-of-2) configuration. The 140471-01 is a Power Supply Backplane Chassis that is specifically designed to house two of these power supply modules, providing the necessary electrical interconnections and mechanical mounting to create a fully redundant power system for the 3500 rack. This setup ensures continuous operation of the protection system even if one power supply fails, thereby preventing a single point of power failure from causing a system shutdown.
Technical Parameters
The table below outlines the key parameters for both the power supply module and the backplane chassis.
| Parameter Category | Specification |
|---|---|
| Part Number Set | 3500/42-09-02 140734-02 (Module) + 140471-01 (Backplane Chassis) |
| Module Function | Redundant Power Supply |
| Chassis Function | Power Supply Backplane for Redundant Configuration |
| Input Voltage | 85 ~ 264 VAC, 47~63 Hz; or 90 ~ 150 VDC |
| Output Voltages | +15 VDC, -15 VDC, and +5 VDC (to the rack backplane) |
| Output Power | Typically 38 Watts per module (supports full rack load in redundant mode) |
| Redundancy Mode | Supports 1-out-of-2 redundant operation. |
| Hot-Swappable | Yes, allows for replacement of a faulty module without system shutdown. |
| Module Dimensions (H x W x D) | Approx. 190 mm x 60 mm x 140 mm (7.5 in x 2.4 in x 5.5 in) |
| Module Weight | Approx. 1.1 kg (2.4 lbs) |
| Chassis Dimensions (140471-01) | Designed to occupy a double-slot space in the 3500 rack frame. |
| Chassis Weight | Approx. 1.8 kg (4.0 lbs) |
| Mounting | The 140471-01 chassis is mounted in the rack; two power modules slide into it. |
| Operating Temperature | 0°C to +65°C (+32°F to +149°F) |
| Key Features | • N+1 Redundancy for high availability • Hot-swappable modules • Status and fault monitoring • Dedicated chassis ensures proper load sharing and isolation. |
Note: The dimensions and weight are standard for components in a 3500 series frame. The system is designed to power the entire rack, and the chassis manages the load sharing and isolation between the two modules.
Application Scenarios
This redundant power supply system is deployed in applications where maximizing the uptime and reliability of the machinery protection system is critical. Its primary application is to eliminate the power supply as a single point of failure.
Critical Turbomachinery Protection: Ensuring continuous power for monitoring systems protecting gas turbines, steam turbines, and compressors in power plants and oil & gas facilities, where even a brief system outage is unacceptable.
High-Availability Processes: Applications in chemical, petrochemical, and refining industries where a shutdown of the monitoring system could lead to a process shutdown or safety risk.
Plants with Unstable Power: Facilities that experience power fluctuations or transients benefit from the robust and redundant design to maintain system integrity.
Remote or Unmanned Facilities: Locations where immediate maintenance is not possible, making redundancy crucial for sustained operation.
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