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Product Introduction
The Bently Nevada 3500/04 136719-01+138527-01 Internal Barriers Module is a crucial component in the 3500 machinery protection and condition monitoring system. Designed to ensure reliable grounding and safe dissipation of electrical surges, this module plays a key role in maintaining signal integrity and preventing noise interference in high-sensitivity monitoring circuits.
The module interfaces between the system’s I/O backplane and connected field devices, providing a low-impedance path to ground and protecting measurement channels from transient voltages or grounding faults. It is engineered to meet stringent industrial requirements, offering high durability, stable electrical characteristics, and seamless integration with other 3500 system components.
Its design incorporates robust insulation, corrosion-resistant terminals, and optimized PCB layout to minimize electromagnetic interference (EMI). The 3500/04 is widely used in turbines, compressors, and rotating machinery applications, where precise vibration, position, and speed data must be transmitted without distortion or electrical instability.
Product Specifications
| Parameter | Value |
|---|---|
| Part Number | 136719-01 + 138527-01 |
| Series | Bently Nevada 3500 |
| Function | Internal Barriers Module |
| Compatibility | 3500 Rack System |
| Electrical Grounding Type | Low-impedance chassis grounding |
| Signal Protection | EMI suppression, surge protection |
| Operating Temperature | -30°C to +65°C |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Mounting | 3500 rack slot insertion |
| Dimensions (H×W×D) | 241 x 24.4 x 103.1 mm |
| Weight | 0.201 kg |
| Certifications | CE, CSA, ATEX Zone 2 |
| Firmware Update | Field-upgradable via rack configuration tools |
Applications
The 3500/04 Internal Barriers Module is used in industrial environments where accurate, interference-free sensor readings are critical. Common applications include:
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Turbine protection systems – ensuring stable vibration signal grounding.
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Compressor monitoring – eliminating noise interference from high-frequency transients.
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Generator condition monitoring – maintaining clear speed and position signals.
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Pumping stations – protecting measurement accuracy in variable load conditions.
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Oil & gas facilities – preventing grounding faults in hazardous locations.
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Petrochemical plants – ensuring EMI-free operation of process monitoring systems.
Advantages
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Enhanced Signal Integrity – minimizes electrical noise and interference in monitoring circuits.
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Robust Electrical Protection – safeguards sensitive measurement channels from surges and transients.
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Seamless Rack Integration – designed for direct installation into the Bently Nevada 3500 system.
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High Reliability – proven performance in harsh industrial environments.
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Compact Design – saves rack space without compromising functionality.
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Compliance with Safety Standards – certified for hazardous area operation.
FAQ
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What is the main purpose of this module?
It provides proper grounding and noise suppression for Bently Nevada 3500 I/O circuits, ensuring stable and interference-free sensor data transmission. -
Is it compatible with all 3500 racks?
Yes, it is designed for full compatibility with all standard Bently Nevada 3500 racks and I/O configurations. -
Does it require external power?
No, it draws power directly from the rack backplane without needing an external power supply. -
Can it reduce electromagnetic interference?
Yes, it is specifically engineered to minimize EMI for improved monitoring accuracy in noisy environments. -
Is hot-swapping supported?
No, the module should be installed or replaced during system shutdown to avoid potential signal disruptions. -
What type of connections does it use?
It uses direct connections to the rack’s I/O modules for grounding integration. -
Does it need periodic maintenance?
Minimal maintenance is required; regular inspections for secure connections are recommended. -
What happens if grounding is not stable?
Unstable grounding can cause signal noise, inaccurate readings, and potential monitoring system malfunctions. -
Is it suitable for hazardous environments?
Yes, it is designed to meet industrial safety requirements, including hazardous and high-EMI zones. -
Can it work in extreme temperatures?
Yes, it operates reliably between -30°C and +65°C, suitable for most industrial applications.
Recommended Related Models – Same Series
| Model | Description | Key Feature |
|---|---|---|
| 3500/01 | Rack Interface Module | Interfaces all I/O modules to the rack backplane |
| 3500/15 | Power Supply Module | Supplies redundant DC power to the rack |
| 3500/20 | Framework Rack | Holds and connects all 3500 modules |
| 3500/22M | Transient Data Interface | Captures and transmits dynamic system data |
| 3500/25 | Keyphasor Module | Measures shaft position and rotational speed |
| 3500/32M | Relay Module | Provides alarm and trip relay outputs |
Popular Models – Same Brand
| Model | Description | Key Feature |
|---|---|---|
| 3300 XL 8 mm Proximitor | Proximity sensor | Extended linear range and high stability |
| 330780-90-00 | Velomitor Sensor | Measures low-frequency vibration |
| 3500/40M | Proximitor Monitor | Vibration monitoring for rotating equipment |
| 3500/42M | Velocity Monitor | Measures radial shaft vibration |
| 3500/53 | Overspeed Protection Module | Detects and trips on overspeed |
| 3500/77M | Temperature Monitor | Monitors bearing and process temperatures |
