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The 3500/40M (Part Number: 3500/40-03-01) is a high-performance Proximitor monitor module used within the Bently Nevada 3500 machinery protection system. This configuration incorporates an I/O module with internal safety barriers and internal terminations, making...
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The 3500/40M (Part Number: 3500/40-03-01) is a high-performance Proximitor monitor module used within the Bently Nevada 3500 machinery protection system. This configuration incorporates an I/O module with internal safety barriers and internal terminations, making it suitable for installations in hazardous environments that require cNRTLus Class 1, Division 2 certification.
The module processes up to four proximity transducer signals, enabling continuous monitoring of critical machinery parameters such as shaft vibration, axial position, and rotational speed. By converting sensor data into precise diagnostic information, it supports predictive maintenance strategies and provides reliable protection for high-value rotating assets.
| Specification | Details |
|---|---|
| Model Designation | 3500/40M |
| Ordering Part Number | 3500/40-03-01 |
| I/O Module Configuration | Internal Barriers and Internal Terminations |
| Agency Certification | cNRTLus (Class 1, Division 2) |
| Input Channels | 4 channels for proximity transducers |
| Transducer Supply Voltage | -24 VDC |
| Power Consumption | 7 W (nominal) |
| Output Impedance | 550 Ohms |
| Operating Temperature | 0°C to +65°C |
| Dimensions | 24.13 cm × 2.44 cm × 24.18 cm |
| Weight | 0.91 kg |
The 3500/40M 3500/40-03-01 module is designed for installation within a 3500 series monitoring rack, where it provides continuous monitoring of shaft vibration, axial position, and rotational speed. The built-in internal safety barriers simplify system installation in hazardous environments where intrinsic safety is required.
This module is widely used in oil & gas, power generation, and petrochemical facilities to protect critical rotating equipment such as steam turbines, centrifugal compressors, pumps, and large industrial motors. By detecting abnormal vibration or displacement conditions early, it helps prevent catastrophic failures and costly downtime.
Why is the operating temperature range different for this specific model?
Because the module includes internal safety barriers, the operating temperature range is limited to 0°C to +65°C to maintain the integrity and safety compliance of the barrier components.
Can I replace a standard I/O module with this version?
Although it fits the same rack slot, the system wiring, grounding, and safety requirements must be compatible with the internal barrier configuration before replacing a standard I/O module.
What does the “03” suffix indicate in the part number?
The “03” designation indicates a Proximitor I/O module with both internal terminations and internal safety barriers, designed for installations requiring enhanced safety compliance.
