Bently 3500 61

Product Introduction
The 3500/61 is a six-channel temperature monitor within the 3500 Machinery Protection System. Functionally identical to the 3500/60, it features an additional capability: all six channels provide buffered recorder outputs, allowing direct connection to external chart recorders or control systems.

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Description

Bently 3500 61

Technical Specifications

  • Model: 3500/61
  • Channels: 6 independent temperature monitoring channels
  • Input Types: RTD and Thermocouple (TC)
  • Special Feature: 6 Recorder Outputs

Functional Features

  • Thermal Protection & Data Logging: Provides both machinery protection and continuous analog data output for external recording.
  • Flexible Configuration: Supports RTD, TC, or mixed inputs via software.
  • Recorder Output: Buffered analog outputs proportional to temperature, short-circuit proof.

Application Scenarios
Deployed in critical power generation and petrochemical applications where continuous historical temperature trending alongside machinery protection is required.

Performance Parameters

  • Operating Temperature: -30°C to +65°C
  • Recorder Output Load: 0 to 600 Ohms

Material Composition
Industrial-grade, flame-retardant plastics and high-reliability electronic components with environmental protection coating.

Structural Characteristics
Standard 3500 module form factor with front-panel status LEDs and additional rear connections for recorder outputs.

Working Principle
Conditions RTD/TC inputs, digitizes the temperature, compares against alarm setpoints, and simultaneously drives buffered analog outputs for external data acquisition.

Installation Requirements
Insert into an available slot in the 3500 rack. Use copper conductors only and ensure proper grounding.

Precautions for Use
Short-circuiting the recorder outputs will not affect monitor operation. Configure the exact sensor type using the 3500 Rack Configuration Software.