3500/15 -02-02-00 Bently Nevada

3500/15 -02-02-00 Bently Nevada Analog Output Modules

Product  Description：

Bently Nevada Analog Output Modules are specialized signal processing and interface units designed for heavy industrial machinery monitoring and asset protection systems, most notably within the 3500 and 3300 Series Machinery Protection Systems. These modules convert continuous digital vibration, position, temperature, and speed measurements processed by system monitor cards into standard proportional analog signals.

By providing highly reliable, real-time current or voltage signals directly proportional to critical machinery metrics—such as overall shaft vibration, thrust position, or bearing temperature—these modules enable seamless integration between machinery protection hardware and external plant control systems, including Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), and SCADA networks. Designed specifically for critical turbo-machinery, they maintain strict signal integrity and continuous output even under demanding industrial conditions.

Product Parameters

• Output Types: Configurable 4 to 20 mA current loops, 0 to 10 V DC voltage outputs, or proportional recorder outputs.

• Channel Configuration: Available in 4-channel, 8-channel, or 16-channel output density options depending on system rack architecture.

• Signal Resolution: 12-bit to 16-bit digital-to-analog conversion for accurate representation of dynamic field measurements.

• Accuracy: Typically within +/- 1% of full-scale output over the complete operating temperature range.

• Galvanic Isolation: Channel-to-system and channel-to-channel optical isolation rated up to 500V DC or higher to prevent ground loops.

• Maximum Load Resistance: 500 Ohms to 800 Ohms at 24V DC loop power for 4 to 20 mA outputs.

• Power Supply: Internally powered via the 3500 system rack backplane or loop-powered via external 24V DC field supply depending on specific module configuration.

• Operating Temperature: -30°C to +65°C (-22°F to +149°F) operating range.

• Update Rate: Fast update cycles typically under 100 milliseconds for fast dynamic response to process changing trends.

Product Advantages

• Seamless Plant DCS Integration: Provides direct, standardized signal feeds to DCS and PLC platforms without requiring custom communication drivers or proprietary bus protocols.

• High Signal Integrity: Optically isolated channels effectively eliminate electrical noise, stray voltage interference, and ground loops that frequently degrade analog signals in heavy industrial environments.

• Continuous Real-Time Data Flow: Delivers steady, analog trend data independently of digital network traffic, ensuring critical machinery trends are always accessible to operators.

• System Redundancy Support: Modules designed for 3500 series protection systems fully support redundant rack configurations and hot-swappable installation without interrupting main machinery protection functions.

• Proportional Scaling: Output ranges can be easily software-configured and scaled via Bently Nevada System 1 or rack configuration software to match custom engineering unit limits.

Important Precautions

• Do Not Rely for Safety Tripping: Analog output modules are designed primarily for trend recording and control system monitoring. Emergency machinery shutdown and safety interlocks must be wired directly from primary relay modules, not analog outputs.

• Strict Impedance Matching: Ensure total loop receiver impedance does not exceed the maximum allowed load resistance to avoid signal clipping or drive saturation at full-scale 20 mA outputs.

• Proper Shielding and Grounding: Use twisted, shielded pair wiring for all analog output signal cables, grounding the shield strictly at one end (typically at the rack chassis) to prevent EMI pickup.

• Verify Software Configuration: Always verify output scaling factors, minimum/maximum range clamps, and channel assignments in the rack configuration software prior to connecting field receiving equipment.

• Maintain Backplane Environment: Ensure system rack power supplies and cooling fans function correctly to maintain stable output calibration across all installed modules.

Product Applications

• Turbinery and Compressor Monitoring: Feeding proportional vibration and position signal trends to DCS systems monitoring steam turbines, gas turbines, and centrifugal compressors in power plants and refineries.

• Pumping Station Automation: Distributing bearing temperature and shaft displacement analog metrics to PLCs controlling high-pressure water and oil pipeline pumps.

• Paper and Steel Mill Equipment: Monitoring drive train vibration on heavy rolls, gearboxes, and extruders for continuous condition monitoring and preventive maintenance planning.

• Chart Recording and Data Logging: Supplying continuous proportional current loops to local strip chart recorders and historical data loggers in plant control rooms.

• HVAC and Auxiliary Machinery: Monitoring auxiliary balance-of-plant equipment like cooling tower fans, blowers, and electric motors integrated into central facility management systems.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.