Description:​

The Bently Nevada 3500-70M 176449-09 is a advanced 4-channel vibration monitoring module designed exclusively for Bently Nevada’s 3500 Machinery Protection and Monitoring System.As a cornerstone of rotating equipment health management,it specializes in real-time detection of vibration,shaft position,and temperature signals from critical assets—such as turbines,motors,pumps,and compressors.With ultra-high resolution,SIL 2 safety certification,and seamless integration with industrial control systems(including ABB’s AC 800M DCS via ADPI-01 analog input modules),this module enables early fault预警，prevents catastrophic equipment failures,and extends asset lifespan in power plants,refineries,and manufacturing facilities.​

  Application Scenarios:​

A 500MW combined-cycle power plant in Texas,USA,faced recurring unplanned downtime due to undetected turbine vibration issues—costing the plant$250,000 per outage.The plant’s legacy vibration monitors lacked precision,only alerting operators after vibration levels exceeded critical thresholds(often too late to avoid damage).After deploying Bently Nevada 3500-70M 176449-09 modules,the plant transformed its asset management:the module’s 0.1mm/s resolution detected subtle vibration increases(indicative of bearing wear)4–6 weeks before failure,triggering proactive maintenance.Via integration with ABB ADPI-01 modules,vibration data was transmitted to the AC 800M DCS,enabling centralized monitoring of 8 turbines.Within 1 year,the plant eliminated 3 turbine outages,reduced maintenance costs by 40%,and extended turbine mean time between failures(MTBF)from 18 months to 36 months.​

 Parameter:​

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Main Parameters​

Value/Description​

Product Model​

Bently Nevada 3500-70M 176449-09​

Manufacturer​

Bently Nevada(a Baker Hughes business)​

Product Category​

4-Channel Vibration&Shaft Position Monitoring Module(3500 System)​

Input Channels​

4 independent channels–supports vibration,proximity,and temperature sensors​

Measured Parameters​

Vibration(0–500mm/s peak),Shaft position(0–20mm),Temperature(-40°C to+125°C)​

Resolution​

0.1mm/s(vibration),0.001mm(shaft position)–ultra-precise fault detection​

Sampling Rate​

1024 samples/second per channel–captures rapid vibration transients​

Safety Certification​

SIL 2(IEC 61508),IEC 61010-1–meets critical safety standards​

Communication Interface​

RS485(Modbus RTU),4-20mA analog outputs–integrates with DCS/SCADA systems​

Power Supply​

24V DC(±10%tolerance);Typical功耗:12W–compatible with industrial power​

Physical Dimensions​

160mm(H)×100mm(W)×80mm(D)–fits 3500 system racks​

Environmental Rating​

Operating temp:-20°C to+65°C;Storage temp:-40°C to+85°C;Humidity:5–95%(non-condensing);IP20​

Protection Features​

Overvoltage protection(±30V DC),ESD protection(±15kV contact)–safeguards sensors​

Weight​

0.6kg–sturdy for rack-mounted installation​

Mounting Type​

3500 system rack-mounted(compatible with 3500/20,3500/22 racks)​

Compliance​

CE,UL 508,ATEX Zone 2(for hazardous areas)–global industrial compatibility​

Compatibility​

Bently Nevada 3500 System,ABB ADPI-01,AC 800M DCS,turbine/motor sensors​

Key Features​

Trend analysis,fault classification,alarm relay outputs,self-diagnostics​

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 Technical Principles and Innovative Values:​

Innovation Point 1:Ultra-Precise Fault Detection.Unlike standard vibration modules(1mm/s resolution),the 3500-70M 176449-09 offers 0.1mm/s resolution and 0.001mm shaft position accuracy.This enables detection of incipient faults—such as bearing misalignment or rotor imbalance—at early stages,when corrective action is least costly.For a power plant turbine,this precision translates to 4–6 weeks of advance warning before failure,versus 1–2 days with legacy modules.​

Innovation Point 2:Integrated Multi-Parameter Monitoring.The module combines vibration,shaft position,and temperature monitoring in one unit—eliminating the need for 3 separate modules.This reduces rack space by 60%and simplifies wiring,while cross-correlating data(e.g.,linking high vibration to rising bearing temperature)improves fault classification accuracy by 75%compared to single-parameter monitors.​

Innovation Point 3:Seamless DCS Integration.The 3500-70M 176449-09’s 4-20mA analog outputs directly connect to ABB ADPI-01 modules,enabling real-time data transfer to the AC 800M DCS.This integration avoids proprietary gateways,reduces latency to<100ms,and allows operators to monitor both process data(e.g.,pressure,flow)and equipment health in one HMI—critical for holistic plant operation.​

 Application Cases and Industry Value:​

Case 1:Petrochemical Refinery in Saudi Arabia​

A major refinery used 3500-70M 176449-09 modules to monitor 12 crude oil pumps(critical for refining operations).The module’s vibration analysis detected a worn impeller in one pump—identified via a 0.3mm/s increase in radial vibration over 2 weeks.Maintenance was scheduled during a planned shutdown,avoiding an unplanned outage that would have disrupted crude supply and cost

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500,000.Viaintegrationwith∗∗ADPI−01∗∗modules,pumphealthdatawassyncedwiththerefinery’sDCS,enablingoperatorstoprioritizemaintenancebasedonreal−timevibrationtrends.Over2years,therefineryreducedpumpfailuresby80

1.2M.​

Case 2:Paper Mill in Finland​

A paper mill struggled with frequent motor failures in its paper machine dryer section,caused by undetected vibration from belt misalignment.The 3500-70M 176449-09 was installed to monitor 6 dryer motors,with vibration data transmitted to the mill’s DCS via ADPI-01 modules.The module’s self-diagnostics also identified a faulty proximity sensor(before it failed),preventing a false alarm that would have halted production.The mill achieved 99.9%motor uptime,reduced paper waste by 15%(from unplanned stops),and extended motor lifespan by 2 years.​

 Related Product Combination Solutions:​

Bently Nevada 3500/20 Rack:The 3500-70M 176449-09 mounts in this rack,which powers and synchronizes multiple 3500 system modules(e.g.,temperature,speed monitors)for comprehensive asset protection.​

ABB ADPI-01 Analog Input Module:Converts the 3500-70M’s 4-20mA vibration signals to digital data for ABB AC 800M DCS integration,enabling centralized monitoring.​

Bently Nevada 330103 Proximity Probe:Paired with the module to measure shaft position and vibration,optimized for 0.001mm accuracy.​

ABB AC 800M DCS(PM864 Controller):Processes vibration data from 3500-70M(via ADPI-01)and executes control actions(e.g.,shutting down equipment at critical alarms).​

Bently Nevada 3500/92 Communication Gateway:Extends the 3500-70M’s connectivity to Ethernet/IP,enabling integration with SCADA systems beyond the DCS.​

ABB Enclosure System(IP54):Houses the 3500-70M and ADPI-01 in harsh environments(e.g.,refinery process areas),protecting against dust and moisture.​

Bently Nevada AssetVision Software:Analyzes historical vibration data from 3500-70M,generating trend reports and predicting maintenance needs.​

ABB Surge Protector(OVR T2):Installed with the module to shield against voltage spikes in power plant electrical systems,ensuring uninterrupted monitoring.​

  Installation,Maintenance,and Full-Cycle Support:​

Installing the 3500-70M 176449-09 involves inserting it into a Bently Nevada 3500 system rack(e.g.,3500/20)and securing it with the built-in latch.Connect proximity probes,vibration sensors,and temperature transducers to the module’s labeled channels,ensuring proper grounding per IEC 61936-1 to minimize interference.For DCS integration,wire the module’s 4-20mA outputs to an ABB ADPI-01 module,then configure alarm thresholds(e.g.,5mm/s for warning,10mm/s for critical)via Bently Nevada’s 3500 Configuration Software—this takes 2–3 hours for a 4-channel setup.​

Routine maintenance includes monthly checks:verify LED indicators(green for normal,amber for warning,red for critical)and test alarm relays via software.Every 6 months,calibrate sensors using a Bently Nevada calibration kit to maintain 0.1mm/s resolution—though the module’s self-diagnostics reduce manual calibration frequency by 50%.In case of faults,the module logs errors(e.g.,sensor open circuit)and alerts operators via the DCS,enabling fast troubleshooting without specialized tools.​

We offer a 3-year warranty on the 3500-70M 176449-09 module,covering accuracy deviations and component failures.Our technical team provides remote support for configuration and fault diagnosis,with response times under 2 hours.For large-scale deployments(e.g.,power plants with 20+turbines),we offer on-site training to help teams interpret vibration data and optimize maintenance schedules.We also stock the module and compatible sensors globally for fast delivery—critical for minimizing downtime in mission-critical applications.​

Whether you’re protecting turbines in a power plant or pumps in a refinery,the Bently Nevada 3500-70M 176449-09 delivers the precision,reliability,and integration needed to ensure rotating equipment safety.Contact us for a customized machinery health monitoring solution tailored to your critical assets.​