Bently Nevada 3500/33 149992-03 16-Channel Relay Module

Product Overview

The Bently Nevada 3500/33 149992-03 is a robust 16-Channel Relay Output Module designed for critical machinery protection within the Bently Nevada 3500 Series Monitoring System. It delivers sixteen independently programmable Form-C relay outputs used for alarms, shutdowns, and external device control, providing reliable machine safety responses in demanding industrial environments.

With advanced alarm drive logic, configurable voting schemes, and durable construction, the 3500/33 149992-03 ensures precise and flexible relay control for turbines, compressors, pumps, and other rotating equipment.

Key Features

• Sixteen independent Form-C (SPDT) relay outputs

• Advanced programmable alarm drive logic with AND/OR configurations

• Full-height module design, occupies one front and one rear rack slot

• Epoxy-sealed relays with integrated 250 Vrms arc suppression

• Relay groups configurable for normally energized or de-energized operation

• Gold-plated low-current contact options for sensitive circuits

• Front-panel LEDs for OK, TX/RX communication, and channel alarms

• Hot-swappable for maintenance (requires rack power off)

• Compatible with the Bently Nevada 3500 system infrastructure

• Industrial-grade reliability for harsh operating conditions

Technical Specifications

Typical Applications

• Machinery protection for turbines, compressors, pumps, and generators

• External device control: alarms, sirens, interlocks, annunciators

• Integration with Emergency Shutdown Systems (ESD) and Safety Instrumented Systems (SIS)

• Centralized relay control within rotating equipment protection systems

• Predictive maintenance and condition-based monitoring frameworks

• Alarm response and shutdown logic in power generation, oil & gas, and heavy industries

Product Advantages

• High-density relay output with sixteen configurable channels

• Flexible alarm logic with AND/OR voting for tailored system response

• Integrated arc suppression ensures relay durability and contact integrity

• Low-current contact options for sensitive or signal-level applications

• Visual indicators provide clear system diagnostics at a glance

• Hot-swappable design simplifies maintenance and reduces downtime

• Seamless integration into existing 3500 rack systems

• Built for rugged industrial environments and harsh operating conditions

• Enhances machine safety by enabling reliable shutdown and alarm actuation

• Certified to meet global safety and electromagnetic compliance standards

Frequently Asked Questions (FAQ)

1. What does the 3500/33 149992-03 module do?
   It provides sixteen independent relay outputs for alarms, shutdowns, and external device control in machinery protection systems.

2. Are the relays programmable?
   Yes, each relay output can be assigned to specific alarms with configurable AND/OR logic.

3. What type of relay contacts are used?
   SPDT (Form-C) electromechanical relays, with optional low-current gold-plated versions.

4. What is the relay current rating?
   Standard relays support up to 1 A at 30 VDC or 125 VAC.

5. Does the module include arc suppression?
   Yes, each relay is equipped with integrated 250 Vrms arc suppression.

6. Can the module be replaced while the rack is powered?
   No, the rack power must be turned off to safely hot-swap the module.

7. Is it suitable for hazardous areas?
   Yes, it meets ATEX and IECEx certifications for use in hazardous environments.

8. How does the module indicate its status?
   Front-panel LEDs display OK status, communication activity, and individual channel alarms.

9. What applications is it designed for?
   Protection and control of rotating equipment in industries like power generation, oil & gas, and manufacturing.

10. Where can I find technical documentation?
    Datasheets, wiring diagrams, and manuals are available through authorized Bently Nevada distributors or service providers.

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Frequently Asked Questions (FAQ)

1. What does the 3500/33 149992-03 module do?
   It provides sixteen independent relay outputs for alarms, shutdowns, and external device control in machinery protection systems.

2. Are the relays programmable?
   Yes, each relay output can be assigned to specific alarms with configurable AND/OR logic.

3. What type of relay contacts are used?
   SPDT (Form-C) electromechanical relays, with optional low-current gold-plated versions.

4. What is the relay current rating?
   Standard relays support up to 1 A at 30 VDC or 125 VAC.

5. Does the module include arc suppression?
   Yes, each relay is equipped with integrated 250 Vrms arc suppression.

6. Can the module be replaced while the rack is powered?
   No, the rack power must be turned off to safely hot-swap the module.

7. Is it suitable for hazardous areas?
   Yes, it meets ATEX and IECEx certifications for use in hazardous environments.

8. How does the module indicate its status?
   Front-panel LEDs display OK status, communication activity, and individual channel alarms.

9. What applications is it designed for?
   Protection and control of rotating equipment in industries like power generation, oil & gas, and manufacturing.

10. Where can I find technical documentation?
    Datasheets, wiring diagrams, and manuals are available through authorized Bently Nevada distributors or service providers.

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Popular Bently Nevada Models

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