Bently Nevada 3500/32-01-00 125712-01

Bently Nevada 3500/32-01-00 125712-01

Product Introduction: This full-height module provides four relay outputs for the Bently Nevada 3500 series machinery protection system. As the original version main board, it offers isolated relay outputs for alarm signaling, shutdown actions, and control tasks. Each relay can be configured as normally open or normally closed, supporting programmable logic using AND/OR conditions through the 3500 Rack Configuration Software. It is built to exact OEM specifications with epoxy-sealed construction.

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Description

Bently Nevada 3500/32-01-00 125712-01

Technical Specifications:

  • Module Type: Full-height 4-channel relay module
  • Power Consumption: 6 watts typical
  • Relay Contacts: Two SPDT per channel, DPDT configuration
  • Arc Suppressor: 250 Vrms standard
  • Contact Life: 100,000 cycles at 5 A, 24 VDC or 120 VAC
  • Minimum Switched Current: 10 mA at 5 VDC
  • Maximum Switched Current: 5 A
  • Maximum Switched Power (AC): 600 VA
  • Operating Temperature: -30°C to +65°C (-22°F to 150°F)
  • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
  • Humidity: 95%, non-condensing
  • Environmental Sealing: Epoxy-sealed
  • Dimensions: 2.6 cm × 25.2 cm × 24.1 cm
  • Weight: 0.75 kg

Functional Features:

  • Four relay outputs with individual alarm drive logic
  • Programmable AND/OR logic for alarm and shutdown responses
  • Configurable as normally open or normally closed
  • Isolated relay outputs preventing cross-talk
  • LED indicators for OK, TX/RX, and channel alarm status
  • Drop-in fit for 3500 rack full-height front slot
  • No reconfiguration required for legacy setups

Application Scenarios:

  • Standard industrial machinery alarm and shutdown systems
  • Non-hazardous environment rotating equipment protection
  • Cost-effective direct replacement for basic setups
  • Turbine and compressor vibration alarm systems
  • General industrial control and signaling applications

Performance Parameters:

  • Logic Programming: AND/OR logic with alarm input combinations
  • Response Time: Real-time alarm response
  • Relay Isolation: Cross-talk suppression between channels
  • Electrical Life: 100,000 cycles at rated load

Material Composition:

  • Housing: Industrial-grade metal enclosure
  • Circuit Board: Multi-layer printed circuit board with relay drive circuits
  • Relays: Epoxy-sealed industrial-grade relays with arc suppression
  • Connectors: Front panel relay output terminals

Structural Characteristics:

  • Full-height module design for rack mounting
  • Front panel LEDs for status indication
  • Epoxy-sealed relay construction
  • Standard 3500 series dimensions

Working Principle: The module interfaces with the 3500 system alarming network to process configured relay drive logic. It generates relay channel drive signals based on alarm conditions from monitoring modules. Each relay output can be independently programmed to respond to specific alarm combinations, providing flexible machinery protection logic.

Installation Requirements:

  • Install in any full-height slot to the right of the Rack Interface Module
  • Requires compatible I/O module (125720-01) for rear connection
  • External wiring must observe contact ratings
  • Ground relay cabling shields to designated rack ground point
  • Configure alarm logic using 3500 Rack Configuration Software

Use Precautions:

  • This legacy module is not interchangeable with 3500/32M (149986-02)
  • Works with older 3500 Rack Configuration Software versions
  • Suitable for standard non-hazardous industrial environments
  • Relay contact ratings must not be exceeded
  • Arc suppression is built-in but verify suitability for load type

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