Bently Nevada 3500/33-02-00 16-Channel Relay Module

Product Introduction

The Bently Nevada 3500/33-02-00 16-Channel Relay Module is a relay output module designed for use within the Bently Nevada 3500 Machinery Protection System. It provides multiple configurable relay outputs that allow monitored machinery conditions to be translated into discrete control or shutdown actions.

This module acts as an interface between the monitoring system and external protection or control circuits. By processing alarm and trip signals generated by the 3500 monitoring modules, the relay module enables automatic machinery protection, system interlocking, and alarm annunciation.

The 3500/33-02-00 supports up to 16 independent relay channels, allowing flexible configuration for alarm levels, trip logic, and system response strategies. Its design ensures reliable signal execution in critical rotating machinery protection applications where deterministic response is required.

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Product Specifications

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Applications

• Machinery protection systems where alarm and trip conditions must trigger external shutdown actions

• Turbine, compressor, and pump protection requiring reliable relay-based interlocking

• Alarm annunciation systems that convert monitoring events into discrete outputs

• Plant safety systems integrating vibration and condition monitoring data

• Critical rotating equipment requiring deterministic relay response behavior

• Control system interfaces linking the 3500 system to PLCs, DCSs, or hardwired logic

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Advantages

• High channel density allows multiple alarm and trip functions within a single module

• Independent relay configuration enables flexible protection logic design

• Deterministic output behavior ensures predictable system response during fault conditions

• Seamless integration with the 3500 architecture simplifies system expansion

• Robust industrial design suitable for continuous-duty protection systems

• Clear separation between monitoring and control functions improves system reliability

• Supports complex protection strategies without additional external logic

FAQ

1. What is the primary role of the 3500/33-02-00 module?
   It converts alarm and trip conditions from monitoring modules into discrete relay outputs.

2. How many independent relay outputs are available?
   The module provides sixteen individually configurable relay channels.

3. Can each relay channel be configured for different alarm levels?
   Yes, each channel can be assigned to specific alarm or trip conditions.

4. Is the relay module used for machinery shutdown logic?
   Yes, it is commonly used to initiate shutdowns or protective actions.

5. How does the module receive alarm information?
   Alarm signals are received through the 3500 rack backplane from monitoring modules.

6. Can the relay outputs be integrated with external control systems?
   Yes, the relay contacts can interface with PLCs, DCSs, or hardwired safety circuits.

7. Does the module support redundant protection strategies?
   It can be used as part of a redundant system architecture depending on rack configuration.

8. Is relay actuation deterministic under fault conditions?
   Yes, the module is designed for predictable and repeatable relay response.

9. Can the module be used for both alarm and trip functions simultaneously?
   Yes, different relay channels can be assigned to different functional roles.

10. What types of machinery typically use this relay module?
    It is widely used on turbines, compressors, pumps, motors, and generators.

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