製品紹介
The Bently Nevada 3500/04 176449-01+125680-01 Internal Barriers Module is a specialized component designed to provide intrinsic safety (IS) protection for connected field devices in hazardous areas. Installed within the Bently Nevada 3500 Machinery Protection System, this module serves as an interface between non-intrinsically safe control system electronics and field instrumentation installed in explosive atmospheres. By incorporating galvanic isolation and energy-limiting circuitry, it prevents electrical energy from exceeding safe levels, ensuring compliance with global safety standards such as ATEX, IECEx, and CSA.
The 台 is composed / the 176449-01 Internal Barrier Board and the 125680-01 Front Interface Panel, working together to provide a secure, stable, and reliable signal path. It integrates seamlessly into the 3500 rack architecture, reducing installation complexity while maintaining high reliability for continuous plant operation. The robust mechanical design, precise electronic filtering, and long-term stability make it an essential module for process industries where both safety and operational uptime are critical.
Product Parameters
| Parameter | Specification |
|---|---|
| モデル Number | 3500/04 176449-01 + 125680-01 |
| Function | Intrinsic safety interface module for hazardous area devices |
| Input Channels | Multiple, depending on system configuration |
| Output Type | Isolated signal to 3500 rack modules |
| Isolation Voltage | ≥ 1500 V RMS |
| Compliance Standards | ATEX, IECEx, CSA, FM |
| Power Supply | Powered via 3500 rack backplane |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 5% to 95% non-condensing |
| Dimensions | 241 x 24.4 x 103.1 mm |
| 重量 | 0.201 kg |
| Mounting Type | 3500 rack slot insertion |
| Certifications | CE, RoHS, UL, SIL (per IEC 61508) |
Product Applications
The 3500/04 Internal Barriers Module is used in various industrial scenarios, particularly in process plants requiring explosion protection:
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Oil & Gas Production Facilities – Intrinsic safety for vibration and pressure sensors in /fshore and onshore hazardous zones.
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Petrochemical Refineries – Ensuring signal safety for instruments in flammable process 台s.
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Power Generation Plants – Safe monitoring / field devices in coal dust or hydrogen-rich environments.
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Chemical Processing Plants – IS interface for temperature, level, and flow transmitters in volatile chemical areas.
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Pharmaceutical Manufacturing – Safe signal transmission in solvent-based production lines.
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Mining Operations – Protection for instrumentation in methane-prone areas.
Product Advantages
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Intrinsic Safety Compliance – Meets ATEX, IECEx, and other hazardous area certification standards.
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High Reliability – Rugged design for long-term operation in critical environments.
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Seamless Integration – Fully compatible with the Bently Nevada 3500 monitoring system.
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Signal Integrity – Advanced isolation and filtering to maintain accurate data.
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Reduced Downtime – Hot-swappable design allows module replacement without shutting down the entire rack.
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Compact Form Factor – Space-saving installation within the rack.
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Low Maintenance – Designed for extended operation without recalibration.
FAQ
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What is the main function / the 3500/04 Internal Barriers Module?
It limits electrical energy to safe levels for hazardous area instrumentation. -
Can it be installed in any slot / the 3500 rack?
No, it must be installed in designated IS interface slots. -
Is the module hot-swappable?
Yes, it can be replaced without shutting down the entire system. -
Does it require an external power supply?
No, it is powered directly from the 3500 rack backplane. -
What types / signals does it handle?
It supports analog signals from field sensors such as vibration, temperature, or pressure. -
Is it compatible with non-IS field devices?
It is specifically designed for IS-certified devices in hazardous areas. -
Does it require periodic calibration?
Normally no, unless mandated by site maintenance procedures. -
Can it be used in SIL-rated systems?
Yes, it is suitable for integration into SIL-compliant safety systems. -
What is the isolation rating?
It provides at least 1500 V RMS isolation between circuits. -
Does it have built-in surge protection?
Yes, it includes transient protection for field wiring.
Recommended Related モデルs (Same Series)
| モデル Number | 説明 |
|---|---|
| 3500/04 138257-01 | Earthing Module Front Panel |
| 3500/04 136719-01+138527-01 | Earthing I/O Module |
| 3500/15 125680-01 | Power Supply Module |
| 3500/20 125744-01 | Rack Interface Module |
| 3500/22M 288055-01 | Transient Data Interface Module |
| 3500/25 125792-01 | Keyphasor Module |
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