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Bently

128229-01

Bently 128229-01 specialized sensor signal termination moduleBently 128229-01 is
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Product Details

Bently 128229-01 specialized sensor signal termination module


Bently 128229-01 is a specialized sensor signal termination module developed by Bently Nevada (now part of GE Vernova), exclusively designed for the 3500 Series Rotating Machinery Monitoring System. It serves as a standardized, high-reliability connection interface between low-power field sensors (primarily eddy current proximity probes and speed sensors) and the 3500 system’s core monitoring modules (e.g., vibration, keyphasor, or overspeed protection modules). Its core value lies in simplifying sensor wiring, enhancing signal integrity, and providing basic electrical protection—critical for ensuring stable data transmission in industrial environments with high electromagnetic interference (EMI) or harsh operating conditions. Below is its comprehensive detailed information:

I. Core Technical Parameters

CategorySpecific Specifications
Applicable SystemDedicated to Bently Nevada 3500 Series Monitoring System; fully compatible with 3500/10 (single-frame) and 3500/20 (multi-frame) system frames
Terminal Configuration12-channel terminal design; each channel includes independent pins for sensor signal input (+/-), ground (GND), shield (SHLD), and 24V DC sensor excitation power
Signal Compatibility- Analog signals: Microvolt-level eddy current sensor signals (0-10V peak-to-peak), low-current speed probe signals (1-10mA)- Digital signals: Open-collector speed pulses, dry contact sensor status signals
Electrical Isolation- Channel-to-channel isolation: 250V AC (rms, duration: 1 minute)- System-side (3500 module) to field-side (sensor) isolation: 500V AC (rms, duration: 1 minute)- Isolation resistance: ≥50MΩ (at 250V DC)
Voltage/Current Ratings- Maximum working voltage per terminal: 250V AC/DC- Maximum continuous current per terminal: 3A (resistive load)- Sensor excitation power: 24V DC, maximum 0.5A (total for all channels)

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The company has multiple main brands, and if you have other brand requirements, you can also send them to customer service for inquiry.

 

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