Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The Bently Nevada 3500/72M 140482-01 Prox/Velom I/O Module is part of the 3500 Machinery Protection System, specifically designed for reciprocating compressors. This four-channel monitor processes input from proximity transducers to measure rod position, rod drop, and other dynamic values. It supports advanced diagnostics and alarm capabilities for real-time machinery health monitoring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 3500/72M 140482-01 |
| Input Channels | 4 Proximity Probe Inputs |
| Input Impedance | 10 kΩ |
| Output Impedance | 510 Ω |
| Transducer Power Supply | -24 VDC |
| Power Consumption | 7.7 W (nominal) |
| Dimensions (H x W x D) | 241.3 x 24.4 x 99.1 mm |
| Weight | 0.20 kg |
| Operating Temperature | -30°C to +65°C (External Termination) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95% non-condensing |
| Mounting | 1 full-height rear slot in 3500 rack |
| Certifications | ATEX, IECEx, cNRTLus, EMC, RoHS, DNV, ABS |
| Communication | TX/RX LED indicators for module interaction |
| Buffered Output | Coaxial per channel (short-circuit protected) |
Applications
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Reciprocating compressors in petrochemical and oil & gas industries
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Hyper-compressor rod position and displacement monitoring
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Machinery protection for high-value equipment
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Condition monitoring for predictive maintenance
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Compliance with API 618 for reciprocating compressors
Key Advantages
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Real-time monitoring of rod position, drop, and vibration characteristics
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Fully programmable alarm and trip logic for machinery protection
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Compatibility with proximity probes and Velomitor sensors
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Meets API 618 and global safety certifications
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Buffered outputs for diagnostics and analysis
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Supports multiple rod monitoring modes in a single module
FAQ
Q1: What types of sensors are supported by the 3500/72M 140482-01 module?
A1: It supports proximity probes and Velomitor sensors for dynamic and static measurements.
Q2: Can this module monitor rod drop and piston position simultaneously?
A2: Yes, the channels can be configured to monitor multiple parameters such as rod drop, position magnitude, and piston position.
Q3: What is the purpose of the buffered outputs on this module?
A3: Buffered outputs allow real-time signal analysis without interrupting monitoring functions.
Q4: How is the alarm configuration managed?
A4: Alarm setpoints and delays are configured using the 3500 Rack Configuration Software.
Q5: What safety certifications does this module carry?
A5: It complies with ATEX, IECEx, cNRTLus, RoHS, EMC, and maritime (DNV, ABS) standards.
Q6: What rack slot does the I/O module occupy?
A6: It occupies one full-height rear slot in the Bently Nevada 3500 rack.
Q7: Is this module suitable for low-speed compressors?
A7: Yes, with a modification, it supports speeds down to 30 RPM.
Q8: How accurate are the rod position measurements?
A8: Measurement accuracy is within ±0.33% of full scale (typical), ±1% max.
Q9: What is the minimum machine speed supported for 1X/2X analysis?
A9: The valid speed range is 60 cpm to 2130 cpm.
Q10: Can this module be used in hazardous areas?
A10: Yes, with proper approval options and barrier configurations, it is certified for hazardous areas.
Related Models (Same Series)
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 3500/72M-140471-01 | I/O Module with Internal Terminations | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/72M-135489-01 | I/O Module with Internal Barriers | 241.3 x 24.4 x 163.1 | 0.46 kg |
| 3500/72M-176449-08 | Monitor Module (Main Board) | 241.3 x 24.4 x 241.8 | 0.91 kg |
| 3500/70M | Velocity Monitor | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/77M | Temperature Monitor | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/61 | Temperature Monitor with Thermocouple Inputs | 241.3 x 24.4 x 99.1 | 0.20 kg |
Popular Bently Nevada Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 3500/22M | Transient Data Interface (TDI) Module | 241.3 x 24.4 x 99.1 | 0.25 kg |
| 3500/42M | Proximitor Seismic Monitor | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/40M | Proximitor Monitor | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/15 | Power Supply Module | 241.3 x 24.4 x 99.1 | 0.30 kg |
| 3500/25 | Keyphasor Module | 241.3 x 24.4 x 99.1 | 0.20 kg |
| 3500/93 | Display Interface Module | 241.3 x 24.4 x 99.1 | 0.20 kg |
