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Bently Nevada 136719-01 Dual-Channel Intrinsically Safe Hot-Swappable Earthing I/O Module for 3500 Series
Bently Nevada 136719-01 Dual-Channel Intrinsically Safe Hot-Swappable Earthing I/O Module for 3500 Series
3500/04 Earthing Module Bently Nevada 3500 rack system
intrinsically safe earth connection gas turbine combustor monitoring
steam turbine instrumentation ground fault protection
Place of Origin:
USA
Brand Name:
Bently Nevada
Model Number:
136719-01
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Product Details
Model:
136719-01
Country Of Origin:
USA
Place Of Shipment:
Xiamen,China
Shipping:
TNT, DHL, FedEx, EMS, UPS
MOQ:
1 Piece
Packaging:
Original New Packaging
Estimated Shipping Size:
2.4x11x24.1cm
Weight:
0.4 Kg
Highlight:
3500/04 Earthing Module Bently Nevada 3500 rack system
,intrinsically safe earth connection gas turbine combustor monitoring
,steam turbine instrumentation ground fault protection
Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
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Product Description
Bently Nevada 136719-01 Earthing I/O Module
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 136719-01 |
| Module Type | Earthing I/O Module |
| System Compatibility | Bently Nevada 3500 Series |
| Subsystem Compatibility | 3500/04 Internal Barriers |
| Form Factor | Half-height |
| Channel Count | Dual-channel |
| Safety Certification | Intrinsically Safe (Ex ia) |
| Operating Temperature | -30°C to +65°C (-22°F to +150°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Relative Humidity | 95% non-condensing |
Contact Us for Pricing or Technical Support
Contact: Miya Zheng
Email: sales@amikon.cn
WhatsApp: +86 180 2077 6792
Key Applications
- Explosion Protection: This part is mostly about putting the module into the kind of places where things are already a bit tense—Zone 0, Zone 1, or Class I, Division 1 environments. The 136719-01 / 3500/04 Earthing Module basically helps keep electrical energy low enough so you don’t get sparks or unwanted thermal events in volatile atmospheres. It ties into the idea of an intrinsically safe earth connection, nothing fancy, just controlled grounding where it matters.
- Transducer Loop Isolation: Here you’re dealing with field devices like proximity probes and seismic sensors, and then the control system side inside the Bently Nevada 3500 rack module. They can’t just be directly connected without thinking. The module sits in between and forms that isolation layer. In real installations, it just makes the signal less messy and easier to trust.
- Regulatory Compliance: This is one of those “you either meet it or you don’t ship” situations. ATEX, IECEx, CSA—these standards define whether the system can even go into hazardous area installation projects. The module is usually part of the configuration that helps the whole setup stay aligned with those requirements, especially in explosion risk environments.
- Steam & Gas Turbine Instrumentation: In power plants, things move fast—literally. Steam and gas turbines depend on accurate readings for vibration, thrust position, shaft eccentricity, and so on. Small electrical noise can already shift values. Inside a 3500 monitoring system spares architecture, this module helps keep the signal side stable so measurements don’t drift for no good reason.
- Centrifugal Compressor Protection: Common in oil and gas refineries. Anti-surge logic, alarm handling, trip decisions—all of that depends on clean sensor loops. If the loop gets noisy or unstable, you either get false trips or miss real ones. So the grounding and isolation role here is more practical than theoretical.
- Pumps and Industrial Fans: Not always the headline equipment, but still running all the time in petrochemical refinery instrumentation setups. These systems rely on continuous condition monitoring. The module helps keep that data flow steady, even when the electrical environment around motors and drives is not exactly clean.
- Ground Loop Elimination: Inside a Bently Nevada 3500 system spares rack, ground potential differences can build up between field sensors and the rack itself. That’s where ground loops show up. The 3500/04 Internal Barriers help stabilize the backplane grounding reference and reduce those unwanted circulating currents that mess with readings.
- Electrical Hazard Prevention: Around variable frequency drives (VFDs), large motors, and switching equipment, EMI and voltage spikes are pretty normal. This module doesn’t remove that reality, but it does help keep those disturbances from getting into sensitive sensor loops.
- System Integrity Preservation: This is more of an overall effect rather than a single function. It helps the whole API 670 compliant system stay consistent. Adjacent cards in the rack also benefit, since interference doesn’t spread as easily through the system.
- Oil & Gas Upstream/Downstream: Offshore platforms, LNG terminals, refinery units—these are constant hazardous environments. Industrial rotating machinery protection systems here need to stay stable without interruption. The module becomes part of the everyday monitoring infrastructure, not just a spare.
- Power Generation Plants: Steam turbines, gas turbines, combined-cycle units. In these setups, the proximitor monitor for 3500 system is standard, and the module supports stable operation of the turbine-generator monitoring chain.
- Chemical Processing Utilities: Mixing, pumping, compression systems in chemical plants usually run under strict explosion-proof requirements. The monitoring network has to stay reliable, and the 3500 machinery protection system spares ecosystem is basically built around that expectation.
Technical Features
- Certified Intrinsically Safe (IS) Boundary: This module is basically built around one idea—keeping signal integrity stable in environments that are anything but stable. In hazardous areas like Zone 0, Zone 1 or Class I, Div 1, the Certified Intrinsically Safe (IS) Boundary matters a lot. The 136719-01 / 3500/04 Earthing Module limits how much electrical energy can actually reach the field side, so even in volatile atmospheres there’s no realistic ignition risk.
- Dual-Channel Efficiency: Space inside a Bently Nevada 3500 rack is always limited, so having two independent monitoring channels in a half-height module is quite practical. It doesn’t feel overdesigned, just efficient. Basically you get more density without making the system more complicated, especially in 3500 monitoring system spares setups.
- Dedicated Backplane Earthing Reference: Inside the 3500 chassis, signals from transducers are often very small and sensitive. Any unstable grounding can distort them. This module sets up a low-impedance reference through the backplane, which helps keep those weak signals from drifting or picking up unwanted variation.
- Active Ground Loop Elimination: Ground loops are one of those issues that show up quietly and then suddenly affect readings. Different field locations can sit at different electrical potentials. The module separates those paths so you don’t get circulating currents that lead to false trips or unstable values in industrial rotating machinery monitoring systems.
- High EMI/RFI Noise Rejection: In real plants, you always have VFDs, large motors, switching loads—so EMI is just part of the environment. This module doesn’t remove the noise source, but it reduces how much of it reaches the sensitive measurement cards. It helps keep adjacent modules in the rack from getting disturbed.
- Seamless 3500 Subsystem Integration: It is designed specifically for the Bently Nevada 3500/04 Internal Barriers platform. That means it fits directly into the existing architecture without extra adaptation. In most API 670 compliant system setups, this integration is what keeps everything aligned with protection standards.
- Hot-Swappable Architecture: Maintenance is always easier when you don’t need to shut everything down. This module can be removed or replaced while the system is still running. In practice, it helps reduce downtime, especially in continuous-operation environments like power plants or refineries.
- Rugged Industrial Resilience: Plant environments are rarely gentle—temperature swings, vibration, electrical noise all exist at the same time. The module is designed to keep operating reliably in a range roughly from -30°C to +65°C. It’s not about ideal conditions, more about surviving the real ones.
Frequently Asked Questions
What is the primary function of the Bently Nevada 136719-01 module?
The 136719-01 is a dual-channel Earthing I/O module built for the Bently Nevada 3500/04 Internal Barriers system. In practice, it’s used to set up a stable electrical ground reference and provide intrinsic safety isolation for transducers working in hazardous environments. It sits quietly in the background, but without it the whole grounding stability in the system would be harder to control, especially in industrial rotating machinery setups.
In which hazardous area classifications can the 136719-01 module be deployed?
It’s commonly used in installations that follow ATEX, IECEx, and CSA requirements. These standards matter a lot when the system is placed in hazardous area installation zones like Zone 0, Zone 1, or Class I, Division 1. Basically, anywhere flammable gases or explosive atmospheres might exist, this module is part of the safety boundary that allows field sensors like proximity probes and seismic devices to connect safely.
How does the 136719-01 module prevent ground loops and signal distortion?
Ground loop issues usually come from different field points sitting at slightly different electrical potentials. The module handles this by providing a dedicated low-impedance path to the 3500 backplane earth reference. With galvanic isolation in place, those unwanted circulating currents are cut off, so signal drift and instability are reduced. In Bently Nevada 3500 system spares configurations, this is a pretty important stability factor.
Can the 136719-01 module protect precision monitoring cards from EMI/RFI noise?
Yes, to a large extent. In real plant environments, EMI from VFDs, motors, and switching equipment is basically unavoidable. The module helps shield weak transducer signals so that interference doesn’t easily propagate into adjacent cards like the 3500/42M Proximitor Monitor or 3500/25 TDI. It doesn’t remove noise at the source, but it reduces how much of it actually affects the measurement chain inside an API 670 compliant system.
Is the 136719-01 module hot-swappable during machinery protection system maintenance?
Yes, and that’s one of its practical advantages. It can be removed or replaced under power without shutting down the whole rack. In real operations, especially in power plants or refineries, this helps avoid downtime and reduces the risk of triggering false trips in continuous monitoring systems such as the 3500 monitoring system spares architecture.
What type of industrial rotating machinery typically requires the 136719-01 module?
Compatible Parts
| Part Number | Part Number |
|---|---|
| 3500/22M 288055-01 | 128229-01 |
| 3500/33 149986-01 | 128240-01 |
| 3500/60 163179-01 | 133396-01 |
| 3500/72M 176449-08 | 146031-01 |
| 3500/62 163179-03 | 330103-00-04-10-02-00 |
| 3500/40M 140734-01 | 330104-00-06-05-02-00 |
| 330500-02-00 | 330105-02-12-05-02-00 |
| 135137-01 | 330106-05-30-05-02-00 |
| 149992-02 | 330106-05-30-10-02-05 |
| 147663-01 | 330130-040-00-00 |
| 3500/94 145988-01 | 330130-040-01-00 |
| 140482-01 | 330180-91-05 |
| 330500-00-20 | 3500/20 |
| 170133-090-00 | 3500/45 176449-04 |
| 3500/32M 149986-02 | 3500/60 |
| 1900/65A 172323-01 | 3500/64M |
| 330180-X0-05 | 330103-00-06-10-02-00 |
| 125720-01 | 330106-05-30-10-02-00 |
| 125760-01 | 133442-01 |
| 125768-01 | 330180-90-00 |
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