Bently Nevada 350040M 125680-01 4-Channel Proximitor Monitor
Technical Specifications
– Channels : 4 independent, fully isolated
– Input types : eddy-current, velocity, accelerometer
– Measurement modes : radial vibration, thrust position, eccentricity, differential expansion, REBAM, shaft absolute
– Full-scale range : 0 – 10 mm pk-pk or 0 – 50 g (software selectable)
– Frequency response : 0.125 Hz – 3 836 Hz (–3 dB) with direct, gap, band-pass and high-pass filters
– Resolution : 16-bit ADC, <0.02 % non-linearity
– Accuracy : ±0.33 % typical, ±1 % max
– Update rate : 10 kHz per channel
– Alarm relays : 2 per channel (Warning & Danger), latched or unlatched
– Analog outputs : 4 – 20 mA isolated, proportional to measured value
– Power draw : 24 Vdc from rack back-plane, 2.5 W typical
– Sensor supply : –24 Vdc, 50 mA max per channel
– MTBF : >300 000 h @ 45 °C per MIL-HDBK-217F
– Operating temperature : –40 °C to +85 °C
– Storage temperature : –55 °C to +125 °C
– Humidity : 5 % – 95 % RH non-condensing
– Shock / vibration : 15 g ½-sine 11 ms; 2 g 5 – 500 Hz operational
– Dimensions : 99 mm × 24 mm × 241 mm (3.9″ × 0.96″ × 9.5″)
– Weight : 0.34 kg (0.75 lb)
– Agency approvals : CE, UL/cUL Class I Div 2, ATEX/IECEx Zone 2, RoHS
– Multi-measurement – each channel programmable for radial vibration, thrust position, eccentricity, differential expansion or REBAM
– Dual alarms – independent Warning and Danger set-points per channel with programmable delays and latching logic
– OK status – continuous verification of sensor, cable and monitor integrity; relay driven into safe state on fault
– Hot-swap – insertion/extraction under power without interrupting rack operation or protection
– Field firmware – upgrade via System 1 or Ethernet in <3 min; rollback image stored for safety
– TMR ready – certified for Triple Modular Redundant racks where 2-out-of-3 voting is required
– Asset management – onboard diagnostics report probe gap, signal level, cable integrity and module health over the same network link
– Steam & gas turbine TSI cabinets – monitor shaft radial vibration and thrust position to prevent blade contact or bearing wipe
– Offshore platform centrifugal compressors – protect against surge-induced axial movement and high radial vibration
– LNG refrigeration trains – detect mis-alignment and imbalance in multi-stage compressors
– Ethylene hyper-compressors – monitor rod-drop and cross-head vibration for early rider-ring wear detection
– Cross-country pipeline pump stations – protect motor-driven pumps from cavitation and bearing failure
– Steel mill blast-furnace blowers – measure gearbox housing vibration to prevent tooth breakage
– Wind-turbine test stands – track nacelle acceleration and main-bearing displacement for modal analysis
– Nuclear feed-water pumps – TMR configuration meets IEEE 338 requirements for safety-related vibration monitoring
The module slides into any full-height front slot; rear-mounted Euro-style connectors accept proximity probe or accelerometer wiring.
Front LEDs indicate channel health, alarm status and OK state.
Probe gap voltage and signal amplitude are continuously monitored; alarms are generated for open or shorted cables.
Replacement takes <1 min; all rack parameters remain stored non-volatilely on every monitor, so no re-configuration is necessary.
Backward- and forward-compatible with every 3500/40M monitor I/O card (125680-01, 135489-01, 135489-02, 135489-03, 135489-04).
Supported by System 1 v6.5 onward and by third-party OPC UA, Modbus and DNP3 clients.
350040M-125680-01 – Standard 4-channel proximitor monitor, non-isolated I/O, conformal coat
350040M-125680-02 – As above plus isolated I/O
350040M-01-00 – TMR version for triple-redundant racks
350040M-AXX-BXX – Full modular option table for cable length, firmware revision and hazardous-area certification .
MAECENAS IACULIS
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Related products
BENTLY 3500/15 127610-01
- Power Supply Module:
- Input Voltage: 100–240 VAC, 50/60 Hz, 2 A.
- Output Voltage: 24 VDC (5.5 A max for single power supply; 7.5 A max for redundant setup).
- Power Capacity: 190–250 W (adjustable based on load).
- Operating Temperature: 0°C to 60°C (storage: -40°C to 70°C).
- Protection: Overload, short-circuit, and overvoltage protection.
- Certifications: Complies with CCC and industrial safety standards.
Bently Nevada 3500/22M 288055-01 – Transient Data Interface Module (TDI)
Technical Specifications:
- Type: Proximity Transducer Driver Module
- Compatibility: Designed to fit into the Bently Nevada 3500 series rack system.
- Channels: Typically supports multiple channels (e.g., up to 6 channels) depending on the configuration, allowing for monitoring of several machine positions simultaneously.
- Input Voltage: Operates within specified voltage ranges suitable for industrial environments.
- Environmental Tolerance: Engineered to withstand harsh industrial conditions including temperature extremes, humidity, and electromagnetic interference.
- Certifications: Meets industry standards for safety and reliability, ensuring suitability for use in critical applications.
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