BENTLY NEVADA 3500/65 (145988-02) 16-Channel Temperature Monitor
1. Core Functions
Multi-Channel Temperature Monitoring:
Provides 16-channel temperature measurement for RTDs (Resistance Temperature Detectors) and isolated thermocouples (TCs), supporting configurations with 3-wire/4-wire RTDs or mixed RTD/TC inputs.
Performs real-time signal conditioning (e.g., linearization, cold-junction compensation for TCs) and converts analog inputs to digital data for the 3500 monitoring system.
Machinery Protection & Alarming:
Compares temperature readings against user-programmable alarm setpoints (e.g., Warning/Danger thresholds) to trigger protective actions (e.g., shutdowns) via the 3500 rack.
Supports Triple Modular Redundancy (TMR) when three modules are installed adjacently, using 2-out-of-3 voting logic to eliminate single-point failures.
Integration & Diagnostics:
Configurable via 3500 Framework Configuration Software (alarm thresholds, input types, unit scaling).
Data accessible through System 1® for predictive maintenance (e.g., trend analysis of bearing temperatures).
2. Technical Specifications
Input Types:
RTDs: Pt100, Cu10, Ni120 (3-wire or 4-wire)
TCs: Isolated tip J/K/E/T types.
Isolation: 250 Vdc channel-to-channel isolation for noise immunity.
Environmental: Operates in -30°C to +65°C industrial environments.
3. Applications
Critical Machinery: Turbines, compressors, generators in power plants and oil & gas facilities.
Monitoring Targets: Bearing metal temperatures, stator windings, lube oil systems, and process fluids.
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