Bently Nevada 3500/33-03-00 16-Channel Relay Module

Product Introduction

The Bently Nevada 3500/33-03-00 16-Channel Relay Module is a high-density relay output module developed for use within the Bently Nevada 3500 Machinery Protection System. It provides a flexible interface for converting monitored machinery conditions into discrete relay outputs used for alarm signaling, interlocking, or automatic shutdown functions.

This module receives alarm and trip logic from 3500 monitoring modules through the system backplane and executes corresponding relay actions with deterministic behavior. The 3500/33-03-00 supports sixteen independent relay channels, enabling complex protection strategies to be implemented without external logic hardware.

Designed for continuous-duty protection systems, the module ensures consistent relay actuation and reliable system response in critical rotating machinery applications where predictable behavior is essential.

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Product Specifications

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Applications

• Machinery protection systems requiring multiple independent relay outputs

• Turbines, compressors, pumps, and generators with multi-level alarm and trip logic

• Plant shutdown and interlock systems driven by vibration and condition monitoring

• Alarm annunciation panels receiving discrete signals from monitoring systems

• Safety-related control circuits where deterministic relay response is required

• Integration with PLC and DCS systems for centralized control and supervision

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Advantages

• Sixteen-channel relay density supports complex protection logic within a single module

• Independent relay configuration enables precise mapping of alarms and trips

• Deterministic relay actuation ensures predictable response during fault conditions

• Tight integration with the 3500 architecture reduces system complexity

• Robust industrial construction suitable for continuous protection duty

• Clear separation of monitoring and output functions improves overall system reliability

• Scalable system design supports future expansion without redesign

FAQ

1. What is the primary function of the 3500/33-03-00 module?
   It converts alarm and trip conditions generated by monitoring modules into discrete relay outputs.

2. How many relay outputs are provided by this module?
   The module provides sixteen independently configurable relay channels.

3. Can different relay channels respond to different alarm levels?
   Yes, each relay can be assigned to specific alarm or trip conditions.

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

5. How does the module receive alarm and trip signals?
   Signals are transmitted through the 3500 system backplane from monitoring modules.

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

7. Does the module support complex protection strategies?
   Yes, multiple relay channels allow layered alarm and trip logic configurations.

8. Is relay operation predictable under abnormal conditions?
   Yes, the module is designed for deterministic and repeatable relay behavior.

9. Can the module be used simultaneously for alarms and trips?
   Yes, different relay channels can serve different functional roles at the same time.

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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