Product Overview

• PN: 3500/61
• Brand: Bently Nevada (Baker Hughes)
• Series: 3500 Machinery Protection System
• Type: 6-Channel Temperature Monitoring Module

• Used to collect bearing temperature, lubricating oil temperature and stator winding temperature via RTD or thermocouple sensors, each channel equipped with independent 4-20mA analog output for direct data transmission to DCS or PLC, supports configurable alarm thresholds for over-temperature protection

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Core Features

• 6 independent configurable channels, compatible with various RTD and standard TC sensor types
• Built-in channel-wise 4-20mA recorder output, convenient for external control system data acquisition
• Optional channel-to-channel galvanic isolation version, effectively suppress on-site electromagnetic interference
• Hot-swappable single-slot rack design, supports TMR triple redundant safety configuration
• Front panel LED indicators display module running status, channel fault and alarm information

• Built-in hardware self-diagnosis function to monitor sensor open circuit, short circuit and module power abnormality

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Technical Specs

• Supported sensors: PT100 RTD, Type K, J, E, T thermocouple
• Analog output: 4-20mA per channel for recorder connection
• Power consumption: 9W
• Operating temperature: -30℃~+65℃
• Storage temperature: -40℃~+85℃, 5%~95% RH non-condensing
• HS Code: 8537101190

• Certification: CE, UL certified

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Compatibility

• Applicable equipment: Standard 3500 series 14-slot monitoring rack
• Matching modules: 3500/20 rack interface module, 3500 series power supply, relay and vibration monitoring cards

• Not compatible: Old 3300 series rack, third-party PLC and DCS backplanes

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Application

• Bearing bush, lubricating oil and generator winding temperature monitoring for steam turbines and centrifugal compressors
• Over-temperature early warning and interlock protection for power, petrochemical and metallurgy rotating machinery
• Real-time temperature data upload to DCS system via 4-20mA analog signals

• Spare replacement and maintenance for aging 3500 machinery protection cabinets

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Our Advantage

• Full channel accuracy test, insulation withstand test and signal output aging test before delivery
• 12-month warranty for new original and refurbished spare parts
• Global DHL, Fedex door-to-door delivery, FOB Xiamen available
• Free technical support for sensor wiring, temperature range configuration and alarm parameter setting