Bently Nevada 3500/33 149992-01 16-Channel Relay Module

Product Overview

The Bently Nevada 3500/33 149992-01 is a high-density 16-Channel Relay Output Module designed for use within the Bently Nevada 3500 Machinery Protection System. It provides sixteen independently controlled Form-C relay outputs for machinery shutdown, alarm, and control purposes. The module enhances system flexibility by allowing programmable logic assignments for each relay, ensuring reliable protective response for rotating equipment in critical industrial environments.

This module plays a key role in machine condition monitoring, enabling safe shutdowns, alarms, or external device actuation based on configurable alarm logic.

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Key Features

• Sixteen independent Form-C (SPDT) relay outputs

• Programmable logic with AND/OR alarm drive configuration

• Full-height module occupies both front and rear rack positions

• Optional low-current gold-plated contacts available

• Relay grouping with de-energized or energized state selection

• Arc suppression circuitry (250 Vrms) integrated into relay design

• Visual front-panel indicators for channel alarm, OK, and communication status

• Supports critical machinery protection and system integration

• Rugged design for reliable operation in harsh industrial environments

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

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Technical Specifications

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Typical Applications

• Machinery protection shutdown systems for turbines, compressors, and pumps

• Alarm signaling for critical rotating equipment

• Activation of external devices such as sirens, indicators, and interlocks

• Emergency shutdown circuits (ESD) for hazardous industrial processes

• Integration with process safety systems and control room annunciators

• Redundant protection logic with configurable voting schemes

• Condition-based monitoring and predictive maintenance systems

• Industrial safety systems in oil & gas, power generation, and manufacturing

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Product Advantages

• High-density relay output with sixteen independently controlled channels

• Flexible alarm drive logic for tailored protective response

• Visual status indicators simplify system diagnostics

• Sealed, robust relays with integrated arc suppression enhance durability

• Supports both standard and low-current contact configurations

• Hot-swappable design minimizes downtime during maintenance

• Fully integrates with existing Bently Nevada 3500 system racks

• Enhances machinery safety and process reliability

• Configurable relay grouping provides system-wide control options

• Built to withstand harsh industrial environments and meet global standards

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Frequently Asked Questions (FAQ)

1. What does the Bently Nevada 3500/33 149992-01 module do?
   It provides sixteen independently controlled relay outputs for alarms, shutdowns, and external device control.

2. Are the relays configurable?
   Yes, each relay supports programmable alarm drive logic using AND/OR configurations.

3. What type of relay contacts does it use?
   SPDT (Form-C) electromechanical relays, with standard or optional low-current gold-plated versions.

4. How much current can the relays handle?
   Standard relays support up to 1 A at 30 VDC or 125 VAC.

5. Is arc suppression included?
   Yes, integrated 250 Vrms arc suppression protects relay contacts.

6. How is the module installed?
   It occupies one full-height front and one rear slot within the 3500 system rack.

7. Can the relays be grouped?
   Yes, relay groups of four can be configured for normally de-energized or energized states.

8. Does the module provide status indicators?
   Yes, front-panel LEDs show channel alarms, OK status, and communication activity.

9. Is hot-swapping supported?
   Yes, but the system must be powered down before replacing the module.

10. Where is this module commonly used?
    In machinery protection systems for rotating equipment across industries like oil & gas, power generation, and manufacturing.

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Frequently Asked Questions (FAQ)

1. What does the Bently Nevada 3500/33 149992-01 module do?
   It provides sixteen independently controlled relay outputs for alarms, shutdowns, and external device control.

2. Are the relays configurable?
   Yes, each relay supports programmable alarm drive logic using AND/OR configurations.

3. What type of relay contacts does it use?
   SPDT (Form-C) electromechanical relays, with standard or optional low-current gold-plated versions.

4. How much current can the relays handle?
   Standard relays support up to 1 A at 30 VDC or 125 VAC.

5. Is arc suppression included?
   Yes, integrated 250 Vrms arc suppression protects relay contacts.

6. How is the module installed?
   It occupies one full-height front and one rear slot within the 3500 system rack.

7. Can the relays be grouped?
   Yes, relay groups of four can be configured for normally de-energized or energized states.

8. Does the module provide status indicators?
   Yes, front-panel LEDs show channel alarms, OK status, and communication activity.

9. Is hot-swapping supported?
   Yes, but the system must be powered down before replacing the module.

10. Where is this module commonly used?
    In machinery protection systems for rotating equipment across industries like oil & gas, power generation, and manufacturing.

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