Bently Nevada 3500/32 125720-02+149986-02 4 Channel Relay Module

The Bently Nevada 3500/32 125720-02+149986-02 is a 4-Channel Relay Module designed as a critical part of the Bently Nevada 3500 Machinery Protection System. This module is engineered to deliver flexible and reliable relay outputs for system alarm annunciation and shutdown logic. It is widely utilized in turbine supervisory systems, compressor trains, and other critical rotating machinery.

The module is capable of operating four separate relays independently or in voting logic, triggered by conditions detected in other modules within the 3500 system. With its high reliability and robust signal handling, it is an integral part of safety and reliability strategies in demanding industrial environments.

Product Specifications

Product Applications

The Bently Nevada 3500/32 4-Channel Relay Module is commonly used in the following industries and systems:

• Oil & Gas: Compressor and pump protection

• Power Generation: Turbine condition monitoring and trip logic

• Petrochemical: Reactor and critical process unit shutdown signaling

• Industrial Manufacturing: Rotating machine health monitoring

• Marine & Offshore: Engine control and alarm logic

• Aerospace Ground Equipment: Equipment health and alarm logic integration

Product Advantages

• High Reliability: Rugged industrial design ensures stable operation in harsh conditions.

• Flexible Configuration: Each relay can be independently assigned or configured for logic voting.

• Advanced Diagnostics: Supports intelligent diagnostics when integrated into a full 3500 system.

• Fast Response Time: Relays operate with minimal delay, supporting critical protection actions.

• Interoperability: Seamlessly integrates into any 3500 rack without the need for external relays.

• Field-Proven Technology: Backed by GE/Bently Nevada’s decades-long legacy in condition monitoring.

Frequently Asked Questions (FAQ)

1. What is the main purpose of the 3500/32 relay module?

The 3500/32 provides relay outputs for alarm annunciation and machinery shutdown based on configured logic from the 3500 system.

2. How many relays does the module support?

It supports four independent relays with programmable control logic.

3. Can I use this module for both alarm and shutdown functions?

Yes, you can assign relays for alarms, shutdowns, or any custom system response.

4. What types of signals trigger the relays?

Signals can come from any monitor module within the same 3500 rack, such as vibration, temperature, or speed alarms.

5. Does it support redundant configurations?

Yes, it can be used in redundant relay configurations or with voting logic like 2-out-of-3.

6. Can I monitor the status of each relay?

Yes, the module provides status indication via the 3500 system interface.

7. Is the module hot-swappable?

Yes, it can be replaced without powering down the entire rack, minimizing system downtime.

8. What environmental conditions is the module designed for?

It supports operation in -30°C to +65°C and up to 95% humidity (non-condensing).

9. Is external wiring required for each relay?

Yes, each relay output needs to be wired externally for system actuation.

10. What certifications does the module meet?

It complies with CE, CSA, ATEX, and IECEx standards, suitable for hazardous environments.