3500/22M 138607-01/138607-02/288055-01/146031-01/146031-02 Transient Data Interface Module

Bently Nevada 3500/22M is a high-performance vibration monitoring module in the field of industrial rotating machinery condition monitoring, core compatible with the 3500 Machinery Protection System. It undertakes vibration signal acquisition, real-time analysis and safety interlock functions for key rotating equipment such as steam turbines, generators and compressors. The module adopts a differential input design, supports vibration acceleration, velocity and displacement parameter measurement, and has built-in alarm and trip logic compliant with API 670 standard. It features channel-level fault self-diagnosis and redundant configuration capabilities, and can directly connect to eddy current sensors and velocity sensors. Data upload and remote control are realized through the 3500 system backplane bus, serving as a core monitoring component to ensure the safe and stable operation of rotating equipment in power, petrochemical and other industries.

Operating Voltage: 24V DC±10%, compatible with industrial standard power supply systems

Input Channels: 4 differential vibration input channels, supporting independent configuration

Measurement Types: Vibration acceleration (0.1~1000m/s2), vibration velocity (0.1~100mm/s), vibration displacement (0.1~1000μm)

Measurement Accuracy: ±0.5% full scale, ensuring data acquisition reliability

Signal Processing: Supports RMS, peak, peak-to-peak, crest factor calculation, real-time output of characteristic values

Alarm Settings: Each channel supports 3 sets of independent alarm thresholds (warning, danger, trip) with customizable logic

Communication Interface: 3500 system dedicated backplane bus, transmission rate 100Mbps, supporting seamless communication with frame controller

Diagnostic Functions: Integrated self-diagnosis for sensor open circuit, short circuit, signal over-limit and module power failure, real-time fault code output

Insulation 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, leakage current ≤1mA)

Certification Standards: Compliant with API 670, IEC 61508 SIL 2, CE, UL 508 standards

Overall Dimensions: 48.3mm (W) × 165.1mm (H) × 190.5mm (D), standard 3500 system module size

Weight: Approximately 0.6kg, compatible with 3500 series standard frame installation

Mounting Method: Plug-in installation (compatible with 3500 series 19-inch frame), supporting online hot-swapping

Housing Material: Die-cast aluminum alloy (main body) + flame-retardant engineering plastic (interface panel), anti-electromagnetic interference

Connection Method: 16-pin pluggable terminal, compatible with shielded twisted-pair cables, supporting direct sensor access

Protection Rating: IP20 (module itself), relying on the overall protection of the 3500 frame

Status Indication: Green LED (normal signal), yellow LED (warning), red LED (trip) for each channel; module-level power/fault LED

Operating Temperature: -40℃ to +70℃, operation without derating over the entire temperature range

Storage Temperature: -40℃ to +85℃, meeting extreme storage and transportation requirements

Relative Humidity: 5% to 95% (non-condensing), suitable for high-humidity industrial scenarios

Vibration Resistance: 10-500Hz frequency range, 1.5g acceleration (sine wave), no structural loosening or measurement drift

Shock Resistance: 20g acceleration (half-sine wave, duration 11ms), withstanding shocks in frame-mounted scenarios

EMC Compliance: Meets EN 55014-1 (emission limits), EN 55014-2 (immunity), EN 61326-1 standards

Installation Altitude: ≤2000m (normal operation), power derating 10% for every 1000m increase from 2000m to 5000m

Excellent monitoring accuracy: ±0.5% full-scale measurement accuracy combined with multi-characteristic value calculation, fault identification accuracy ≥98%

Efficient signal processing: 1024Hz sampling rate per channel, real-time output of vibration characteristic parameters, response time ≤10ms

Strong system compatibility: Seamless integration with 3500 monitoring system, supporting data interaction with DCS and SCADA systems

Comprehensive diagnostic capability: Channel-level fault self-diagnosis can accurately locate sensor and module abnormalities, diagnostic coverage ≥99%

High safety compliance: API 670 standard compliance and SIL 2 certification, meeting key equipment protection requirements

Convenient maintenance: Supports online hot-swapping replacement, intuitive module status indication, fault troubleshooting time ≤15 minutes

Strong operational stability: Industrial-grade components and redundant design, Mean Time Between Failures (MTBF) ≥350,000 hours

• Petrochemical Industry (Condition monitoring of compressors, pumps, fans; vibration protection of reactor agitators)

• Power Industry (Vibration monitoring and interlock of steam turbines, generators, boiler feedwater pumps)

• Metallurgical Industry (Condition monitoring of rolling motors, continuous caster rollers, blast furnace fans)

• Manufacturing Industry (Vibration protection of CNC machine tool spindles, robot joints, production line motors)

• Rail Transit (Condition monitoring of traction motors, track inspection equipment, station ventilators)

• Water Treatment (Vibration monitoring of sewage pumps, grid machines, aeration fans)

• Building Materials Industry (Diagnosis of cement rotary kiln transmission devices, crushers, conveyor belt motors)

• 3500/15 (Speed Monitoring Module)

• 3500/20 (Keyphasor 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)