125680-01 Bently 3500/40M Proximitor I/O Module

Description 125680-01 Bently 3500/40M Proximitor I/O Module Product Dimensions： Product Description (Detailed Explanation) The 125680-01 is a 4-channel I/O module with internal terminations. It acts as the interface between the field-mounted Proximitor sensors and the 3500/40M monitor processing card located in the front of the rack. This module processes the raw buffered signals from eddy current displacement probes and provides digitized data for radial vibration, axial thrust position, eccentricity, or differential expansion monitoring. This specific version (“-01”) features Internal Terminations, meaning field wiring connects directly to the terminal blocks on the module itself, eliminating the need for external terminal strips or specialized cables. Product Parameters (Technical Specifications) Parameter Category Specification Number of Channels 4 Channels Input Type Proximitor Sensors (e.g., 3300 XL 8mm, 5mm, 11mm) Termination Type Internal Terminations (Screw Terminals) Output Signals 4-20mA proportional outputs (optional config) Buffered Output Coaxial connectors for each channel (Front/Rear) Power Consumption 7.7 Watts (Typical) Operating Temp. $-30^{\circ}C$ to $ 65^{\circ}C$ ($-22^{\circ}F$ to $ 150^{\circ}F$) Humidity 95% Non-condensing Mounting Rear slot of 3500 Rack (Directly behind 176449-01) Product Advantages (Key Benefits) Direct Field Wiring: The internal termination design simplifies installation and reduces cabinet space by removing the need for external interface modules (TIMs). High Signal Integrity: Features gold-plated connectors and robust shielding to ensure low-noise transmission of critical vibration data. Hot-Swappable: The module can be replaced while the rack is powered (provided safety protocols are followed), reducing downtime during maintenance. Redundant Power Input: Integrated into the 3500 backplane logic, ensuring constant monitoring even if one power supply fails. Comprehensive Diagnostics: Provides “OK” status monitoring for each transducer loop, detecting open circuits or shorted sensor leads instantly. Precautions (Important Notes) Module Matching: The 125680-01 (Rear I/O) MUST be paired with a 176449-01 (Front Monitor). They are not compatible with older 3500/40 (Non-M) versions. Shielding: Ensure that transducer cable shields are grounded only at the 3500 rack (typically at the I/O module) to prevent ground loops that cause signal “noise.” Configuration Locking: Always verify the software configuration (via 3500 Rack Configuration Software) after installation to ensure the 4-20 mA outputs match the DCS/PLC scale. Tightening Torque: Do not over-tighten the terminal screws; use a precision screwdriver to avoid damaging the PCB-mounted terminal blocks. Product Applications (Typical Use Cases) Steam Turbines: Continuous monitoring of radial vibration and axial thrust to prevent catastrophic rotor-to-stator contact. Centrifugal Compressors: Measuring shaft orbit and vibration levels in high-speed oil and gas processing equipment. Hydroelectric Generators: Monitoring shaft eccentricity and air gap stability. Critical Pumps: Providing early warning of bearing wear or mechanical looseness in boiler feed pumps. Gearboxes: Vibration analysis of high-speed input and output shafts in industrial power transmission systems. 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