| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Bently Nevada 3500/40 125680-01 Proximitor I/O Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings

Product Description
The Bently Nevada 3500/40 125680-01 Proximitor I/O Module is designed for use with the 3500/40M Proximitor Monitor, providing high-reliability signal interfacing between proximity transducers and the monitoring system. It accepts proximity probe signals, conditions the data, and transmits processed signals for machinery protection and diagnostics. Engineered for industrial environments, it ensures stable operation, accurate measurements, and compliance with global hazardous area certifications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Proximitor I/O Module with Internal Terminations |
| Compatible Monitor | 3500/40M Proximitor Monitor |
| Input Signals | 1 to 4 proximity transducer signals |
| Output Impedance | 550 Ω |
| Transducer Power Supply | -24 VDC |
| Dimensions (H × W × D) | 241.3 × 24.4 × 99.1 mm |
| Weight | 0.20 kg |
| Power Consumption | 7.7 W typical (system) |
| Operating Temperature | -30°C to +65°C (with Internal Termination I/O) |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95%, non-condensing |
| Mounting | 1 full-height rear slot in 3500 rack |
| Compliance | FCC Part 15, EMC Directive 2014/30/EU, RoHS 2011/65/EU |
| Hazardous Approvals | CSA, ATEX, IECEx (Class I, Zone 2) |
Applications
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Continuous monitoring of radial vibration, thrust position, eccentricity, differential expansion, and REBAM measurements.
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Integration with turbine, compressor, motor, and generator monitoring systems.
-
Machinery protection in power generation, petrochemical, and offshore industries.
-
Providing accurate vibration and position data for predictive maintenance.
Advantages
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High signal accuracy for critical machinery monitoring.
-
Rugged industrial design suitable for harsh environments.
-
Flexible configuration through 3500 Rack Configuration Software.
-
Compatibility with multiple transducer types.
-
Meets stringent safety and EMC standards.
-
Compact and lightweight design for easy installation.
FAQ
Q1: What is the primary function of the 3500/40 125680-01 Proximitor I/O Module?
A1: It interfaces proximity transducers with the 3500/40M Proximitor Monitor for signal conditioning and transmission.
Q2: Is it compatible with any monitor other than the 3500/40M?
A2: No, it is specifically designed for the 3500/40M Proximitor Monitor.
Q3: What type of termination does this model use?
A3: This model uses internal terminations.
Q4: What is its operating temperature range?
A4: -30°C to +65°C with Internal Termination I/O configuration.
Q5: Can it be used in hazardous locations?
A5: Yes, it is certified for Class I, Zone 2 under CSA, ATEX, and IECEx.
Q6: How is the module installed in the rack?
A6: It occupies one full-height rear slot of the 3500 rack.
Q7: What is the weight of this module?
A7: The weight is 0.20 kg.
Q8: Does it provide buffered transducer outputs?
A8: Yes, each channel has a front coaxial connector for buffered outputs.
Q9: What is the transducer power supply output?
A9: The transducer power supply provides -24 VDC.
Q10: Does it require additional termination blocks?
A10: No, since it has internal terminations, external blocks are not required.
Related Models (Same Series or Function)
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 126615-01 | Proximitor I/O Module with External Terminations | 241.3 × 24.4 × 99.1 | 0.20 kg |
| 135489-04 | Proximitor I/O Module with Internal Barriers and Internal Terminations | 241.3 × 24.4 × 163.1 | 0.46 kg |
| 176449-01 | 3500/40M Proximitor Monitor Main Board | 241.3 × 24.4 × 241.8 | 0.91 kg |
| 128015-01 | Proximitor ET Block with Terminal Strip Connectors | N/A | N/A |
| 125808-01 | Proximitor ET Block with Euro Style Connectors | N/A | N/A |
| 129525-AAAA-BB | XDCR to ET Block Cable Assembly | Various lengths | N/A |
Popular Bently Nevada Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 3500/22M | Transient Data Interface Module | 241.3 × 24.4 × 187 | 0.54 kg |
| 3500/32M | Relay Module | 241.3 × 24.4 × 187 | 0.50 kg |
| 3500/42M | Proximitor/Seismic Monitor | 241.3 × 24.4 × 187 | 0.52 kg |
| 3500/44M | Aeroderivative Gas Turbine Vibration Monitor | 241.3 × 24.4 × 187 | 0.55 kg |
| 3500/50 | Keyphasor Module | 241.3 × 24.4 × 187 | 0.48 kg |
| 3500/60 | Temperature Monitor | 241.3 × 24.4 × 187 | 0.50 kg |
FAQ
Q1: What is the primary function of the 3500/40 125680-01 Proximitor I/O Module?
A1: It interfaces proximity transducers with the 3500/40M Proximitor Monitor for signal conditioning and transmission.
Q2: Is it compatible with any monitor other than the 3500/40M?
A2: No, it is specifically designed for the 3500/40M Proximitor Monitor.
Q3: What type of termination does this model use?
A3: This model uses internal terminations.
Q4: What is its operating temperature range?
A4: -30°C to +65°C with Internal Termination I/O configuration.
Q5: Can it be used in hazardous locations?
A5: Yes, it is certified for Class I, Zone 2 under CSA, ATEX, and IECEx.
Q6: How is the module installed in the rack?
A6: It occupies one full-height rear slot of the 3500 rack.
Q7: What is the weight of this module?
A7: The weight is 0.20 kg.
Q8: Does it provide buffered transducer outputs?
A8: Yes, each channel has a front coaxial connector for buffered outputs.
Q9: What is the transducer power supply output?
A9: The transducer power supply provides -24 VDC.
Q10: Does it require additional termination blocks?
A10: No, since it has internal terminations, external blocks are not required.
Related Models (Same Series or Function)
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 126615-01 | Proximitor I/O Module with External Terminations | 241.3 × 24.4 × 99.1 | 0.20 kg |
| 135489-04 | Proximitor I/O Module with Internal Barriers and Internal Terminations | 241.3 × 24.4 × 163.1 | 0.46 kg |
| 176449-01 | 3500/40M Proximitor Monitor Main Board | 241.3 × 24.4 × 241.8 | 0.91 kg |
| 128015-01 | Proximitor ET Block with Terminal Strip Connectors | N/A | N/A |
| 125808-01 | Proximitor ET Block with Euro Style Connectors | N/A | N/A |
| 129525-AAAA-BB | XDCR to ET Block Cable Assembly | Various lengths | N/A |
Popular Bently Nevada Models
| Model Number | Description | Dimensions (mm) | Weight |
|---|---|---|---|
| 3500/22M | Transient Data Interface Module | 241.3 × 24.4 × 187 | 0.54 kg |
| 3500/32M | Relay Module | 241.3 × 24.4 × 187 | 0.50 kg |
| 3500/42M | Proximitor/Seismic Monitor | 241.3 × 24.4 × 187 | 0.52 kg |
| 3500/44M | Aeroderivative Gas Turbine Vibration Monitor | 241.3 × 24.4 × 187 | 0.55 kg |
| 3500/50 | Keyphasor Module | 241.3 × 24.4 × 187 | 0.48 kg |
| 3500/60 | Temperature Monitor | 241.3 × 24.4 × 187 | 0.50 kg |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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