Bently 3500 32

Bently 3500 32

Product Introduction
The Bently Nevada 3500/32 is a fundamental output module within the 3500 Machinery Protection System. It provides four independent, programmable relay outputs that serve as the critical physical interface between the monitoring system and external plant control systems, such as Distributed Control Systems (DCS) or Emergency Shutdown Systems (ESD).

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Description

Bently 3500 32

Technical Specifications

  • Model Number: 3500/32
  • Channel Count: 4 independent relay channels
  • Relay Type: Single-Pole, Double-Throw (SPDT)
  • System Compatibility: Bently Nevada 3500 Framework

Key Features

  • Flexible Logic Programming: Each relay output can be independently programmed using AND, OR, and Inhibit voting logic.
  • Multi-Source Triggering: Relays can be driven by alarm states (Alert, Danger, Not-OK) from any monitoring channel or any combination of channels within the rack.
  • Hot-Swappable: Supports online replacement without powering down the framework or disrupting other modules.

Application Scenarios
Widely deployed in power generation, petrochemical, and metallurgical industries to trigger audible alarms, activate warning lights, or initiate machinery trip circuits when vibration or displacement limits are exceeded.

Performance Parameters

  • Contact Rating: 3A @ 240 VAC / 30 VDC (Resistive Load)
  • Response Time: Millisecond-level actuation upon alarm trigger

Material Composition
Housed in a ruggedized, flame-retardant industrial plastic enclosure with high-reliability electromechanical relays and gold-plated internal contacts for long-term durability.

Structural Characteristics
Standard full-height module form factor. Features four front-panel status LEDs indicating the energized state of each relay, and rear terminal connections for external wiring.

Working Principle
The module continuously polls the 3500 backplane for alarm statuses. An internal microprocessor evaluates the user-defined logic configured via the 3500 Rack Configuration Software and energizes the corresponding relay coil when the specified conditions are met.

Installation Requirements
Can be placed in any available slot to the right of the Transient Data Interface (TDI) module. Wiring must adhere to the specified voltage and current limits to prevent contact welding.

Usage Precautions
Always verify the relay logic configuration after installation to prevent unintended machinery trips. Ensure external loads do not exceed the relay’s maximum switched power rating.

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