Bently Nevada 3500/33-03-00 149992-03

Bently Nevada 3500/33-03-00 149992-03

Product Introduction: This module is a full-height 16-channel low current relay output module designed for the Bently Nevada 3500 series machinery protection system. Compared to standard relay modules, this module is specifically designed for low current applications such as driving PLC inputs, solid-state relays, or other low power control circuits. The module provides 16 independent programmable relay outputs, each capable of executing voting logic based on monitor channel alarm statuses.

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Description

Bently Nevada 3500/33-03-00 149992-03

Technical Specifications:

  • Channels: 16 relay output channels
  • Relay Type: Single-pole, double-throw (SPDT)
  • Contact Rating: Low current design for PLC input and solid-state relay drive applications
  • Operating Temperature: -30°C to +65°C
  • Storage Temperature: -40°C to +85°C
  • Humidity: Up to 95%, non-condensing
  • Dimensions: Full-height module, 241.3 mm × 24.4 mm × 241.8 mm
  • Weight: Approximately 1.0 kg

Functional Features:

  • 16 independent programmable low current relay output channels
  • Each relay contains alarm drive logic programmable with AND and OR logic
  • Supports alarm inputs including Alert and Danger states, Not-OK status, individual measurement variables, or any monitor channel combination
  • Low current contact design extends contact life for frequently operated applications
  • Programmed using 3500 Rack Configuration Software
  • Full-height module design with predictable rack layout

Application Scenarios:

  • Direct interface with PLC digital inputs
  • Drive solid-state relay control circuits
  • Alarm indicator lamp and annunciator drive
  • Control circuits requiring frequent operation but low current
  • Distributed control system status signal transmission

Performance Parameters:

  • Logic Programming: AND and OR logic combinations
  • Contact Material: Optimized design for low current applications
  • Electrical Life: Extremely long operating life under low current loads
  • Response Time: Meets machinery protection system requirements

Material Composition:

  • Housing: Industrial-grade metal enclosure
  • Relays: High-quality low current electromagnetic relays
  • Circuit Board: Multi-layer printed circuit board
  • Connectors: Industrial-grade terminal blocks

Structural Characteristics:

  • Full-height module design occupying one front slot
  • Front panel status LEDs
  • Relay contacts brought out through front panel terminals
  • Modular design supporting field replacement

Working Principle: The module receives alarm status and measurement data from monitoring modules through the rack backplane. Internal logic circuits evaluate input signals based on user-programmed AND/OR logic conditions. When alarm conditions are satisfied, the corresponding low current relay is energized. The low current design provides extended contact life when switching small current loads, making it particularly suitable for interfacing with solid-state electronic devices and PLC inputs.

Installation Requirements:

  • Install in any slot to the right of the Transient Data Interface module
  • Relay output wiring connects through front panel terminals
  • Ensure load current does not exceed module rating
  • Maintain appropriate spacing from high-voltage power cables
  • Ensure proper rack grounding

Use Precautions:

  • Contact ratings are lower than standard relay modules and must not be used for high current loads
  • Install protection devices when driving inductive loads
  • Inspect relay contact condition regularly
  • In hazardous areas, confirm explosion protection certification meets site requirements
  • Configuration software version must match module firmware version

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