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- Bently Nevada
- 3500/62 163179-03
- Process Variable Monitor I/O module
- USA
- 241.3 mm × 24.4 mm × 241.8 mm
- 0.82kg
- Xiamen, China
- New & In Stock
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1. Product Overview
Model: 3500/62 163179‑03
Brand: Bently Nevada
Series: 3500 Series — Process Variable Monitor
This module is a 6‑channel Process Variable Monitor in the Bently Nevada 3500 family. It is intended to monitor and protect rotating machinery or process equipment by continuously measuring key process variables—such as pressure, temperature, flow, and level—and comparing them to programmed alarm setpoints. It supports voltage and current inputs, with options for internal/external terminations and barrier/isolation I/O types for safety or hazardous area requirements.
2. Technical Specifications
Here are the detailed specifications including dimensions and weight:
| Parameter | Specification |
|---|---|
| Model | 3500/62 163179‑03 |
| Channels | 6 process variable channels |
| Input Signal Types | ‑10 Vdc to +10 Vdc (voltage), 4‑20 mA (current) |
| I/O Options | Internal/external terminations; isolated I/O; barrier I/O (intrinsically safe options) |
| Input Impedance | ~ 1 MΩ for voltage inputs; ~ 50 Ω for 4‑20 mA inputs |
| Isolation | For isolated I/O: typically 500 V between I/O circuits |
| Voltage Compliance (for current inputs / barrier I/O) | ~ 13.66 V (for 4‑20 mA barrier I/O out) |
| Power Consumption | ~ 7.0 Watts typical |
| Operating Temperature | ‑30 °C to +65 °C with internal or external terminations; if using internal barrier forms, the lower limit may be 0 °C in some configurations |
| Storage Temperature | ‑40 °C to +85 °C |
| Humidity | Up to 95% relative humidity, non‑condensing |
| Dimensions (Monitor Module) | 241.3 mm × 24.4 mm × 241.8 mm |
| Weight (Monitor Module) | 0.82 kg (≈1.8 lbs) |
| I/O Module (without barriers) | Dimensions: 241.3 mm × 24.4 mm × 99.1 mm; Weight ~ 0.20 kg |
| I/O Module (with barrier) | Same dimensions as non‑barrier I/O module; Weight ~ 0.46 kg |
3. Applications
This module has a wide variety of industrial applications, especially where continuous monitoring of process variables is critical for safety, efficiency, or compliance. Some application examples:
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Turbomachinery protection: Monitor bearing oil pressure, seal gas flow, or shaft cooling water flow, to detect anomalies before damage occurs.
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Power plants: Steam pressure/fuel gas flow/temperatures in boilers, feedwater, exhaust, etc.
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Oil & Gas sector: Flow rate through pipelines, pressure in separators or compressors, temperature monitoring in various process stages.
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Refining / Petrochemicals: Reactor temperature, flow of reactants, level of tanks or vessels.
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Chemical plants: Measures temperature, pressure, level, flow in reactors, heat exchangers, or safety systems.
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Water treatment & wastewater: Levels, flows, and pressures in treatment processes.
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Hazardous or explosive atmospheres: With barrier or isolated I/O options, for safety compliance in zones requiring intrinsic safety.
4. Advantages
Here are key advantages of the 3500/62 163179‑03:
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Six Channels in One Module — Enables monitoring of multiple process variables without needing separate devices for each, saving rack space.
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Flexible Signal Types — Supports both voltage (‑10 to +10 V) and current (4‑20 mA) inputs; users can choose the I/O type matching their sensors.
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Barrier / Isolated I/O Options — Enhances safety, allows usage in hazardous areas or for sensitive measurements.
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Wide Environmental Range — Operating from ‑30°C to +65°C makes it suitable for many industrial settings; supports high humidity.
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Alarm Setpoint Programming — Each channel can have both under and over alarm thresholds programmable, enabling early detection of abnormal conditions.
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Strong Build and Accurate Performance — Good accuracy (typically within 0.33% full scale or better), stable over time.
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Well Integrated in 3500 Series — Fits into existing 3500 racks, uses same software tools, known reliability in machinery protection systems.
5. Brand & Series
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Brand: Bently Nevada
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Series: 3500 Series, specifically the 3500/62 Process Variable Monitor line
The 3500 Series is a family of modules for machinery protection and condition monitoring. The 3500/62 group is for process‑variable monitoring—variables like pressure, level, flow, temperature—as opposed to vibration, speed, displacement etc.
6. Related or Similar Models (Same Series or Close Functionality)
Here are 5 models in the same series or closely related, compared to 3500/62 163179‑03:
| Model | Input Type / Key Features | Dimensions & Weight | Application Notes / Differences |
|---|---|---|---|
| 3500/62 136491‑01 | Voltage input (‑10 V to +10 V), internal terminations | ~241.3×24.4×99.1 mm; weight ~0.46 kg | For voltage‑only input, when external terminals not needed; lighter and simpler wiring inside rack. |
| 3500/62 136499‑01 | Voltage input (‑10 V to +10 V), external terminations | external terminals, heavier / additional wiring hardware required; weight around 0.8 kg | Useful when field wiring is dispersed or external termination blocks are easier to access. |
| 3500/62 136294‑01 | Isolated 4‑20 mA input, internal terminations | similar sized I/O module dimensions; weight similar to internal versions (~0.46 kg if barrier) | Better for current‑loop sensors and improved immunity to noise / ground loops. |
| 3500/62 136483‑01 | Isolated 4‑20 mA input, external terminations | heavier/external term blocks; similar dimensions; somewhat more rugged connectors | Best when current sensors and external access points are needed. |
| 3500/62 136491‑03 | Voltage input (‑10 V to +10 V), internal, other variant options (perhaps firmware or certification) | similar dimensions and weight (~0.46‑0.82 kg depending on configuration) | Alternative where you want voltage input but different accessory or certification choices. |
7. Popular Models from the Same Brand
Here are 5 other models/modules from Bently Nevada that are well used in the same realm of machinery protection or monitoring:
| Model | Function / Role | Key Parameters or Features |
|---|---|---|
| 3500/65‑145988‑02 | Temperature Monitor (16‑channel) | Many temperature points (RTDs or thermocouples), used for monitoring stator winding, bearing housing, etc. |
| 3500/53‑01‑00 | Overspeed Detection / Protection | High‑speed trigger detection, immediate protection when rotational speeds exceed safe limits. |
| 3500/25‑149369‑01 | Keyphasor Module | Provides phase reference (keyphasor) signals for vibration and rotor dynamic analysis. |
| 3500/20‑01‑00 | Rack Interface Module | Provides the interface between the rack and the external control/communication system; power distribution, communications. |
| 3500/92M | Communication Gateway / Rack Controller | Aggregates data from modules, communicates to DCS/SCADA networks; crucial for system integration and remote monitoring. |
8. FAQs (10 Questions & Answers, QA Format)
Q1: What input signals does the 3500/62 163179‑03 module accept?
A: It accepts both voltage signals in the range ‑10 VDC to +10 VDC, and current loop signals of 4‑20 mA, depending on the I/O option chosen.
Q2: How many channels are available in this module?
A: It provides 6 independent process variable channels.
Q3: What are its physical dimensions and weight?
A: The Monitor Module (when fully assembled) is about 241.3 mm × 24.4 mm × 241.8 mm, weight approximately 0.82 kg. The I/O sub‑modules (non‑barrier) are smaller and lighter (~0.20 kg), and with barrier options they weigh ~0.46 kg.
Q4: What is the operating temperature range?
A: Typically ‑30 °C to +65 °C when using internal or external termination I/O. If internal barrier I/O is used, the lower limit may be closer to 0 °C.
Q5: What accuracy can be expected on alarm setpoints?
A: The alarms are typically accurate within ±0.13% of full‑scale for many configurations. Depending on sensor, input type, and full‑scale setting, expected accuracy is good (often around ±0.3% or better in many real‑world setups).
Q6: Does this module provide power for loop‑powered transmitters?
A: Yes, in versions with internal barrier I/O, there is provision for a +24 VDC transmitter power supply (fused) to drive the 4‑20 mA devices.
Q7: What safety or isolation features does it have?
A: Isolation is provided in the isolated I/O variant (typically 500 V isolation). The barrier option allows for intrinsically safe configurations. Besides, external terminations help in physically separating field wiring.
Q8: How are alarm thresholds configured?
A: The user can set both under (low) and over (high) alarm thresholds for each of the 6 channels using configuration software for the 3500 rack. The thresholds are proportional to full‑scale, usually from 0 to 100% of full‑scale, subject to sensor and module limits.
Q9: Can this module be used in a redundant safety configuration?
A: Yes. It supports arrangements such as Triple Modular Redundancy (TMR) for critical machinery protection, which helps avoid single‑point failures.
Q10: What should be considered for wiring and terminations?
A: You must choose between internal vs. external terminations, and possibly barrier or isolated I/O depending on environment (hazardous zones, safety requirements). Also, proper wiring practice (shielding, cable lengths, grounding) is important to maintain signal integrity.
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