Bently Nevada 3500/60 Temperature Monitoring Module

The Bently Nevada 3500/60 temperature module strengthens industrial protection systems by offering six precise RTD and TC input channels. It supports the complete Bently Nevada 3500 Series platform, and it delivers stable temperature data across compressors, turbines, and critical rotating machinery. The module conditions each sensor signal, and it compares the values against programmable alarm thresholds set through the 3500 Rack Configuration Software. Therefore, engineers gain reliable thermal insight for advanced equipment diagnostics.

The 3500/60 accepts both RTD and TC signals, and it supports mixed-sensor configurations when users select the non-isolated RTD/TC version. Additionally, the TC-isolated version delivers 250 Vdc of channel-to-channel isolation, and this protects the system from electrical disturbances. The module integrates easily with recorder outputs when users select the 3500/61, while the 3500/60 provides the same monitoring functions without the recorder interface.

Operational Role and System Benefits

Engineers depend on the 3500/60 because it enhances thermal monitoring reliability inside TMR (Triple Modular Redundant) architectures. They install three adjacent modules to enable voting logic that prevents single-point failures and improves accuracy. Moreover, the module maintains stable performance across harsh plant environments, and it handles wide temperature ranges through rugged electronics and reinforced I/O modules.

Technical Specifications

Inputs

• Supported Sensors: 1 to 6 RTD or TC inputs
• Input Impedance: 10 MΩ for each lead input
• Supported TC Type: Type E (-100°C to +1000°C / -148°F to +1832°F)

Power Consumption

• 3500/60: 7 watts nominal
• 3500/61: 9 watts nominal
• Energy Storage: None (module does not store operating energy)

Environmental Limits

• Operating Temperature (standard I/O): -30°C to +65°C (-22°F to +150°F)
• Operating Temperature (internal barrier I/O): 0°C to +65°C (32°F to +150°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

Mechanical Specifications

Monitor Module

• Dimensions (H × W × D): 241.3 mm × 24.4 mm × 241.8 mm
• Weight: 0.91 kg (2.0 lb)

I/O Module

• Dimensions (H × W × D): 241.3 mm × 24.4 mm × 99.1 mm
• Weight: 0.45 kg (1.0 lb)

I/O Module with Internal Barrier

• Dimensions (H × W × D): 241.3 mm × 24.4 mm × 163.1 mm
• Weight: 0.46 kg (1.01 lb)

Origin, Dimensions & Weight

• Country of Origin: Not specified
• Module Dimensions: 241.3 mm × 24.4 mm × 241.8 mm
• Module Weight: 0.91 kg

Integration Notes

Engineers configure the Bently Nevada 3500/60 through the 3500 rack software, and they select the correct I/O version to match plant requirements. They optimize channel assignments for RTD or TC inputs, and they verify isolation levels to minimize interference. Additionally, they group modules in TMR layouts to strengthen fault tolerance, and they review output behavior to align alarm logic with plant safety standards.

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