Description 135489-03 BENTLY Proximitor/Seismic I/O Module Product Dimensions: Product Description (Detailed Explanation) The 135489-03 is a high-density I/O module mounted at the rear of the 3500 rack. Its primary function is to receive raw signals from proximity probes (displacement), velocity transducers, or accelerometers. The defining feature of the -03 variant is the integration of Internal Safety Barriers. These barriers provide intrinsic safety (IS) protection, limiting the electrical energy sent to the sensors in the field. This allows the system to operate safely in Hazardous Areas (explosive atmospheres) without requiring bulky external barrier strips or explosion-proof housings for the transducers. Product Parameters (Technical Specifications) Parameter Category Specification System Compatibility Bently Nevada 3500 Monitoring System Monitor Compatibility 3500/42M (Proximitor/Seismic Monitor) Input Channels 4 Channels (Supports Proximitor or Seismic sensors) Barrier Type Internal Intrinsic Safety (IS) Barriers Signal Inputs -24V DC (Standard for Proximitor sensors) I/O Connection Euro-style terminal blocks (removable) Mounting Rear-slot of 3500 Rack Hazardous Area Rating ATEX, IECEx, CSA (Class I, Div 1/Zone 0 compatible) Product Advantages (Key Benefits) Integrated Safety: Eliminates the need for external galvanically isolated barriers, reducing wiring complexity and saving cabinet space. Streamlined Design: Consolidates power distribution and signal conditioning into a single module, reducing potential points of failure. Hot-Swappable: Like most 3500 modules, it can be replaced without powering down the entire rack, minimizing system downtime. Precision Signal Path: Specifically engineered to maintain the high-frequency integrity of vibration data, ensuring accurate peak-to-peak and phase measurements. Cost Efficiency: Reduces installation costs by simplifying the requirements for hazardous area compliance. Precautions (Important Notes) Grounding: Proper system grounding is critical for the internal barriers to function correctly. Ensure the 3500 rack is tied to a high-quality instrument earth. Sensor Compatibility: Only use sensors and extension cables that are approved for use with Bently Nevada intrinsic safety barriers. Using non-approved sensors may void the safety rating. Wiring Limits: Be mindful of the maximum allowable cable length (capacitance/inductance limits) defined by the IS certification to ensure the circuit remains intrinsically safe. Insertion: Always ensure the module is aligned correctly with the backplane connectors before tightening the screws. Do not force the module into the slot. Product Applications (Typical Use Cases) Oil & Gas Refineries: Monitoring centrifugal compressors and pumps located in Zone 0 or Zone 1 hazardous areas. Chemical Processing: Providing vibration protection for agitators and mixers where flammable vapors are present. Power Generation: Monitoring steam or gas turbine bearing vibration and shaft centerline position. Offshore Platforms: Ideal for space-constrained offshore control rooms where internal barriers eliminate the need for extra hardware racks. Shipping Port: Xiamen, 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 Please make an inquiry for more models: Bently 125720-01 BENTLY 21000-16-10-00-256-13-02 BENTLY 128229-01 BENTLY 3300/16 BENTLY 172323-01/172362-01 BENTLY 3300/20 BENTLY 19047-01 BENTLY 3300/36 BENTLY 3300/55-04-04-18-18-00-00-05-01 BENTLY 3300/40 BENTLY 330103-00-04-10-02-00 BENTLY 3300/45 Bently 330103-00-06-10-02-00 BENTLY 3300/47 BENTLY 330104-00-05-10-02-CN BENTLY 3300/48 BENTLY 330104-00-06-10-02-00 BENTLY 3300/55 BENTLY 330106-05-30-10-02-00 BENTLY 3300/61 BENTLY 330130-040-00-00 BENTLY 3300/65 BENTLY 330130-045-00-00 BENTLY 330101-00-48-10-02-05 BENTLY 330180-91-00 BENTLY 330103-00-03-05-02-05 BENTLY 330180-X0-05 BENTLY 330103-00-04-05-02-00 BENTLY 330500-02-00 BENTLY 330103-00-04-10-02-00 BENTLY 33A3BEPM-W4 BENTLY 330103-00-05-10-02-00 BENTLY 33A3BEPM-Z2 BENTLY 330103-00-06-10-02-00 BENTLY 3500/22-01-01-01 BENTLY 330103-00-08-10-02-00 BENTLY 3500/22M BENTLY 330103-00-15-10-02-00 BENTLY 3500/22M BENTLY 330104-00-04-10-02-00 Bently 3500/32 BENTLY 330104-00-06-10-02-00 BENTLY 3500/42M BENTLY 330104-00-08-10-02-00 BENTLY 3500/45-01-00 BENTLY 330104-00-15-10-02-05 BENTLY 3500/53-03-00 BENTLY 330104-00-15-10-02-CN BENTLY 3500/53-03-00 BENTLY 330104-05-10-10-02-CN BENTLY 3500/92 BENTLY 330104-08-16-05-02-05 BENTLY 3500/94 BENTLY 330105-02-12-10-02-00 BENTLY 3503E BENTLY 330105-02-12-10-02-05 BENTLY 369-HI-R-0-0-0-0 BENTLY 330106-05-30-05-02-00 BENTLY 125720-01 BENTLY 330106-05-30-10-02-00 BENTLY 125760-01 BENTLY 330130-040-00-00 BENTLY 125768-01 BENTLY 330130-040-00-CN BENTLY 125800-01 BENTLY 330130-040-01-00 BENTLY 125800-01125768-01 BENTLY 330130-040-01-05 BENTLY 125800-013500/25149369-0 BENTLY 330130-040-02-00 BENTLY 125840-01 BENTLY 330130-045-00-00 BENTLY 128229-01 BENTLY 330130-080-00-00 BENTLY 128229-0195 BENTLY 330130-085-00-05 BENTLY 133323-01 BENTLY 330180-50-00 BENTLY 133396-01 BENTLY 330180-51-00 BENTLY 133442-01 BENTLY 330180-51-05 BENTLY 133442-013500/50 BENTLY 330180-90-00 BENTLY 135473-01 BENTLY 330190-040-01-00 BENTLY 135489-04 BENTLY 330194-13-20-10-00 BENTLY 136188-02 BENTLY 330500-01-04 BENTLY 136703-01 BENTLY 330500-02-00 BENTLY 146031-01 BENTLY 330703-000-060-10-02-00 BENTLY 149992-01 BENTLY 330703-00-80-10-02-00 BENTLY 1X35869 BENTLY 330704-000-060-10-02-00 BENTLY 21000-16-10-00-256-03-02 BENTLY 330709-000-060-10-02-00





