Product Introduction: 3500/63 163179-04
The 3500/63 163179-04 is a Velocity Input / 4-20 mA Input Module for the Bently Nevada 3500 Machinery Protection System. This versatile module is designed to accept signals from seismic transducers (velocity sensors) or standard 4-20 mA process transmitters. It converts these inputs into usable data for monitoring, alerting, and shutdown functions. A single module can handle multiple input channels, making it a cost-effective solution for integrating various low-frequency vibration or process parameters into the protection system.
Technical Parameters
The key technical parameters for the 3500/63 163179-04 module are summarized in the table below.
| Parameter Category | Specification |
|---|---|
| Module Type | Velocity Input / 4-20 mA Input |
| Input Channels | 2 or 4 channels (configurable) |
| Velocity Input Range | Accepts signals from seismic velocity transducers (e.g., 100 mV/in/sec or 100 mV/mm/sec). |
| 4-20 mA Input Range | Accepts standard 2-wire or 4-wire 4-20 mA signals from process transmitters. |
| Frequency Response (Velocity) | Typically 4.5 Hz to 1000 Hz (dependent on configuration) |
| Dynamic Range | Up to 2000 Hz for certain measurements |
| 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) [Standard 3500 rack slot] |
| Module Weight | Approx. 0.7 kg (1.5 lbs) |
| Mounting | Slides into a single slot in a 3500 series rack. |
| Power Requirement | Powered by the 3500 rack backplane (+15V, -15V, +5V DC). |
| Operating Temperature | 0°C to +65°C (+32°F to +149°F) |
| Key Features | • Programmable scaling for 4-20 mA inputs • OK and Alert per channel • Compatible with a wide range of velocity sensors |
Note: The dimensions and weight are standard for a module in a 3500 series frame. The specific functionality and range are configured via the 3500 configuration software.
Application Scenarios
The 3500/63 module is used to monitor the overall health of machine structures and non-rotating components, as well as to integrate process values. Its primary application scenarios include:
Casing Vibration Monitoring: Protecting pumps, fans, motors, and blowers by monitoring the vibration of the machine's structure or bearing housings using velocity sensors.
Low-Speed Machinery Monitoring: Ideal for machines that operate at speeds below what is typically monitored by proximity probes (e.g., below 600 RPM).
Process Parameter Integration: Accepting 4-20 mA signals from various process transmitters to monitor parameters such as:
Pressure
Temperature
Flow
Level
Ancillary Monitoring: Providing a flexible input for other non-critical mechanical or process values that need to be integrated into the main protection system for alarm or shutdown purposes.
Structural Monitoring: Monitoring the vibration of supporting structures, pipework, or platforms.
This module is widely used in industries like Power Generation, Water/Wastewater, Pulp & Paper, and HVAC to protect a broad range of industrial equipment.
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