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Help CenterBently 3500/15 127610-01/129489-01/114M5330-01/114M5335-01/106M1079-01/125840-01/125840-02/129478-01 General AC/DC Power Supply Module
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Bently Nevada 3500/15 is a core speed monitoring and overspeed protection module of the 3500 Machinery Protection System, specifically designed for critical rotating equipment such as steam turbines, generators and compressors. Adopting a dual-channel redundant architecture, the module undertakes real-time speed acquisition, overspeed threshold judgment and safety interlock output functions, supporting the access of magnetic sensors, proximity probes and optical encoders. It has built-in alarm and trip logic compliant with API 670 standard, realizes data upload and remote configuration through the 3500 system backplane bus, and features comprehensive self-diagnosis capability. It is a key protection component to ensure the overspeed prevention and stable operation of industrial rotating equipment.
Operating Voltage: AC 175-264V RMS or DC 20-30V (low-voltage version), DC 88-140V (high-voltage version)Measurement Range: 0-60000 rpm, supporting custom range configurationMeasurement Accuracy: ±0.1% of reading + 1 rpm, stable compliance across the full rangeInput Channels: 2 differential signal inputs, supporting independent configuration and redundant backupSensor Compatibility: Compatible with magnetic speed sensors, eddy current proximity probes and optical encodersOutput Signals: 2 independent alarm/trip relay outputs (DPDT type), 4-20mA analog outputCommunication Protocols: Supports Ethernet/IP and Modbus TCP/IP, compatible with 3500 system backplane busOverspeed Protection: Supports custom trip threshold and 1-second adjustable delay, meeting API 670 standard requirementsDiagnostic Functions: Integrated self-diagnosis for sensor open circuit, short circuit, power supply abnormality and module failure, real-time fault code outputInsulation Resistance: ≥100MΩ between channels and between channels and power supply (measured at 500V DC, normal temperature and state)Voltage Withstand Strength: ≥2500V AC between channels and between channels and power supply (1 minute no breakdown)Certification Standards: Compliant with API 670, IEC 61508 SIL 2, CE, UL 508 standards
Mechanical ParametersOverall Dimensions: 48.3mm (W) × 82.6mm (H) × 190.5mm (D), half-height module designWeight: Approximately 0.5kg, compatible with 3500 series standard frame slotsMounting Method: Plug-in installation (compatible with 3500 series 19-inch frame), supporting online hot-swappingHousing Material: Die-cast aluminum alloy main body + flame-retardant engineering plastic panel, anti-electromagnetic interferenceConnection Method: 16-pin pluggable terminal, compatible with shielded cables, supporting direct sensor accessProtection Rating: IP20 (module itself), relying on the overall protection of the 3500 frameStatus Indication: Channel-level green LED (normal operation), yellow LED (alarm), red LED (trip); module-level power/fault LED
Environmental ParametersOperating Temperature: -40℃ to +70℃, operation without derating over the entire temperature rangeStorage Temperature: -40℃ to +85℃, meeting extreme storage and transportation requirementsRelative Humidity: 5% to 95% (non-condensing), suitable for high-humidity industrial scenariosVibration Resistance: 10-500Hz frequency range, 1.5g acceleration (sine wave), no structural looseningShock Resistance: 20g acceleration (half-sine wave, duration 11ms), withstanding shocks in frame-mounted scenariosEMC Compliance: Meets EN 55014-1 (emission limits), EN 55014-2 (immunity), EN 61326-1 standardsInstallation Altitude: ≤2000m (normal operation), power derating 10% for every 1000m increase from 2000m to 5000m
Excellent measurement accuracy: ±0.1% of reading + 1rpm accuracy, enabling precise capture of minor speed fluctuationsEfficient signal processing: Built-in noise filtering algorithm to suppress electrical and vibration interference, data integrity up to 99.9%Reliable redundant design: Dual-channel independent processing architecture, single-channel failure does not affect the overall protection function of the systemHigh safety compliance: API 670 standard and SIL 2 certification, meeting strict requirements for overspeed protection of critical equipmentExcellent integration compatibility: Seamless connection with 3500 protection system, supporting real-time data interaction with DCS and SCADA systemsHigh maintenance convenience: Hot-swappable design with intuitive LED status indication, fault troubleshooting time ≤10 minutesOutstanding operational stability: Industrial-grade components and wide-temperature adaptation design, Mean Time Between Failures (MTBF) ≥350,000 hours
Application AreasPower Industry (Speed monitoring and overspeed protection of steam turbines, generators, boiler feedwater pumps)
Petrochemical Industry (Speed control of compressors, centrifugal pumps, reactor agitators)
Metallurgical Industry (Speed monitoring of rolling motors, blast furnace fans, continuous caster rollers)
Manufacturing Industry (Speed protection of CNC machine tool spindles, industrial gearboxes, production line motors)
Rail Transit (Speed monitoring of traction motors, rail vehicle drive systems)
Water Treatment (Speed control of sewage pumps, aeration fans, grid machines)
Building Materials Industry (Speed protection of cement rotary kiln transmission devices, crushers, conveyor belt motors)
3500/20 (Keyphasor Monitoring Module)
3500/22M (Four-Channel Vibration Monitoring Module)
3500/25 (Two-Channel Vibration Monitoring Module)
3500/33 (Axial Displacement Monitoring Module)
3500/42 (Temperature Monitoring Module)
3500/65 (Relay Output Module)
3500/44M (Radial Vibration Monitoring Module)
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