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Bently Nevada 3500/65 184469-01 Thermocouple Temperature Monitor

Bently Nevada 3500/65 184469-01 Thermocouple Temperature Monitor

Product Description

The 3500/65 (Assembly Number 184469-01) is a high-density temperature monitoring module designed for the Bently Nevada 3500 Machinery Protection System. This 16-channel unit is engineered to interface with...

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SKU: 3500/65 184469-01
Vendor: Bently Nevada
Category: Thermocouple Temperature Monitor
Related Series:

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Product Description

The 3500/65 (Assembly Number 184469-01) is a high-density temperature monitoring module designed for the Bently Nevada 3500 Machinery Protection System. This 16-channel unit is engineered to interface with both Resistance Temperature Detectors (RTDs) and Thermocouples (TCs) to monitor critical machinery temperatures, such as radial and thrust bearing metal, stator windings, and lube oil. By providing continuous thermal data, it identifies abnormal heating conditions before they lead to mechanical failure or insulation breakdown.

Technical Specifications

Specification Details
Channel Density 16 independent temperature input channels
Sensor Compatibility Supports Pt100, Pt200, Pt500, Ni100, and Ni120 RTDs
Thermocouple Support Compatible with Type J, K, E, T, and S thermocouples
Measurement Accuracy ±1.5°C (standard) with 0.1°C resolution
Isolation 500V AC channel-to-channel and channel-to-system isolation
Alarm Configuration Independent Alert and Danger setpoints for all 16 channels
Logic Response Integrated voting logic for relay trip initiation via the 3500 rack
Dimensions 2.6 cm x 25.6 cm x 24.4 cm
Net Weight 0.95 kg
Operating Temperature -30°C to +65°C (-22°F to +150°F)

System Integration

The 184469-01 module occupies a single slot in the 3500 rack and utilizes a dedicated I/O module for field wiring. It performs continuous self-diagnostics, monitoring for open-circuit or short-circuit sensor conditions. When integrated with the 3500/92 Communication Gateway, all 16 channels of temperature data are transmitted via Modbus or Ethernet to the plant's DCS for centralized process control and historical trending.

Engineering FAQ

Q: Can I mix RTDs and Thermocouples on the same 3500/65 module?
A: Yes, the 184469-01 hardware supports mixed sensor types; however, they must be grouped correctly according to the specific I/O module and configuration software settings to ensure cold-junction compensation and signal accuracy.