Introduction
The assembly 3500/22M 161580-01 is a Redundant Power Supply Module and its associated Power Supply Card for the Bently Nevada 3500 Machinery Protection System. The 3500/22M is a modular, rack-mounted chassis designed to house one or two power supply cards, creating a highly reliable, fault-tolerant power source for the entire 3500 monitoring system. The 161580-01 is the specific, field-replaceable power supply card that plugs into this chassis. It converts the plant's incoming AC or DC power to the clean, regulated DC voltages required by all the monitoring and relay modules in the rack. This redundant design is critical for ensuring continuous system operation.
Parameters / Specifications
The following table outlines the key technical parameters for this redundant power supply assembly.
| Parameter | Specification |
|---|---|
| Assembly Designation | 3500/22M (Chassis) & 161580-01 (Power Supply Card) |
| Description | Redundant Power Supply Assembly |
| Chassis: 3500/22M | |
| Physical Dimensions (H x W x D) | Approx. 190 mm x 40 mm x 120 mm (Standard 3500 Series frame slot) |
| Weight (Chassis) | Approx. 0.6 kg (1.32 lb) |
| Primary Function | Modular chassis for housing redundant power supply cards |
| Number of Slots | Typically 2, allowing for N+1 redundancy |
| Power Supply | Power Supply Card: 161580-01 |
| Physical Dimensions | A plug-in card designed for the 3500/22M chassis. |
| Weight (Card) | Approx. 0.4 kg (0.88 lb) |
| Input Voltage | 85 to 264 VAC, 47-63 Hz; or 110 to 300 VDC (configuration dependent) |
| Output Voltages | +24 VDC (for logic and relays) and ±15 VDC (for analog circuits) |
| Output Power | Typically 110 Watts per card (configuration dependent) |
| Total Assembly Weight (Chassis + 1 Card) | Approx. 1.0 kg (2.2 lb) |
| Total Assembly Weight (Chassis + 2 Cards) | Approx. 1.4 kg (3.1 lb) |
| Operating Temperature | 0°C to +65°C (32°F to 149°F) |
| Redundancy | Supports N+1 redundant configuration; system remains operational if one power supply card fails. |
*Note: The exact input voltage range and power rating are defined by the specific model of the power supply card (161580-01). A fully redundant system requires a 3500/22M chassis with two identical power supply cards installed.*
Application Scenarios
This redundant power supply assembly is the foundational power source for any high-availability 3500 monitoring system, ensuring that protection is never lost due to a single power supply failure.
Critical Machinery Protection Systems:
Installed as the primary power source for 3500 racks monitoring critical assets like turbines, compressors, and generators in power generation, oil & gas, and petrochemical plants. The redundancy ensures the protection system remains online during a power supply failure.
Fault-Tolerant System Design:
A core component in Safety Instrumented Systems (SIS) and machinery protection logic where system uptime is paramount. It eliminates the power supply as a single point of failure within the monitoring system.
Plant-Wide Monitoring Networks:
Used in 3500 racks distributed throughout a facility to provide highly reliable, clean power for vibration and position monitoring, independent of fluctuations or transients in the plant's main power bus.
OEM Skid-Mounted Equipment:
Integrated by Original Equipment Manufacturers (OEMs) into the control panels of critical compressors, pumps, and other packaged machinery to provide a robust and fault-tolerant power solution for the built-in 3500 monitoring system.
System Modernization and Retrofits:
Used to upgrade older 3500 racks or non-redundant systems to a modern, redundant power architecture, significantly enhancing the overall reliability and availability of the machinery protection system.
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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