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Technical specifications for 3500/33 149992-01
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:149992-01
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Estimated shipping dimensions:2.6x11.3x24.2cm
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Weight:0.5 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Power Consumption:5.8 watts
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Operating Humidity:Up to 95% relative humidity, non-condensing
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Max. Contact Rating:250 Vac @ 3 A or 30 Vdc @ 5 A
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Min. Switching Current:100 mA @ 5 Vdc
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LED Indicators:OK LED, TX/RX LED, Channel Alarm LEDs
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Operating Temp. Range:-30°C to +65°C
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Storage Temp. Range:-40°C to +85°C
Information
Overview
Manuals
Common Applications
Product Precautions
The 3500/33 149992-01 is a full-height 16-channel relay module, providing accurate voting logic, tough epoxy-sealed relays, and broad temperature operation for secure industrial monitoring.
- 16 independent SPDT relay outputs in one full-height slot
- TDI-right slot compatible; supports multi-module cascading with zero rack performance impact
- Min 100 mA @ 5 Vdc switching prevents contact oxidation, ensuring long-term interlock system availability
Breaking through the channel constraints of conventional hardware protection systems, this module features 16 single-pole, double-throw (SPDT) relay output channels, each supporting fully independent logic programming. Via the dedicated 3500 Rack Configuration Software, the system directly invokes and customizes the internal advanced Alarm Drive Logic, enabling the seamless execution of complex AND/OR Voting Logic.
This logic effortlessly links with Alert and Danger statuses from any monitor channel across the rack, while responding in real time to the system's own Not-OK (fault) conditions and specific individual measured variables. This highly versatile hardware-software integration allows the implementation of tightly tailored, cause-and-effect interlock strategies based on specific plant machinery protection requirements—significantly reducing false trips and missed alarms while optimizing the safety interlock efficiency of critical rotating machinery assets.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 3500/33 149992-01 16-channel Relay Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas
Used for vibration and displacement protection of centrifugal compressors and large crude oil transfer pumps on offshore drilling platforms and onshore oilfields.
Petrochemical & Refining
Provides critical safety interlocks for core equipment in catalytic cracking units, such as flue gas turbines and main air blowers.
Thermal Power
Used for bearing vibration monitoring and trip protection of steam turbine generators, boiler feedwater pumps, and forced/induced draft fans in large supercritical thermal power units.
Hydroelectric Power
Monitors runout, axial displacement, and thrust bearing status of large hydro-turbine generator units, executing interlock shutdowns.
Nuclear Power
Used for non-safety grade auxiliary protection and logic alarming of main steam turbine generator units and critical circulating water pumps in conventional islands.
Wind Power Generation
Provides hardwired alarm outputs for mechanical protection of main spindles, gearboxes, and generators in high-capacity offshore or onshore wind turbines.
When installing and maintaining the 3500/33 149992-01 module, ensure it is vertically inserted into a designated slot to the right of the TDI module, and strictly avoid hot-swapping the rear I/O module to prevent electrical arcing from damaging the epoxy-sealed relays. For electrical wiring, adhere strictly to the contact rating limits of 250 Vac/30 Vdc. It is highly recommended to program robust AND/OR voting logic (such as 2-out-of-2) via the 3500 configuration software, and conduct routine functional bypass loop testing during planned rack maintenance cycles; this prevents localized passivation caused by prolonged relay inactivity and eliminates the risk of false plant trips triggered by single-channel faults.
Alternative Names
3500 33 149992 01
3500-33 149992-01
3500/33
149992-01
35OO/33 149992-01
3500/33 149992-O1
35OO/33 149992-O1
35OO/33 I49992-OI
Technical notes
The Bently Nevada 3500/33 (149992-01) is a full-height, 16-channel single-pole double-throw (SPDT) relay module installed in any slot to the right of the TDI module. Breaking through conventional hardware constraints, it allows fully independent programming of advanced Alarm Drive Logic for each channel via the dedicated 3500 configuration software. The module supports complex AND/OR Voting Logic, seamlessly linking real-time alert/danger statuses from any monitor channel, system Not-OK faults, and specific measured variables. This hardware-software integration delivers tightly tailored cause-and-effect interlock strategies, significantly reducing false trips and missed alarms while optimizing safety protection efficiency for critical rotating machinery.
FAQ View All FAQ
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What is the Bently Nevada 3500/33 149992-01 module?It is a full-height, 16-channel single-pole double-throw (SPDT) relay output module installed in the Bently Nevada 3500 Machinery Protection System rack, primarily responsible for executing alarm and safety interlock protection actions.
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What is the primary purpose of the 3500/33 149992-01 module?It is primarily used to drive external control systems or directly cut off machinery power via relay contact closure when rotating equipment experiences anomalies (such as excessive vibration or displacement), triggering emergency shutdowns to protect assets.
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How do you install the 3500/33 149992-01 into the 3500 rack?The module must be inserted vertically into any available slot to the right of the Transient Data Interface (TDI) module within the 3500 rack, and the wiring terminals on the rear I/O module must be secured.
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How many output channels does the 3500/33 149992-01 support?It provides 16 high-density, independent relay output channels, and each channel can be programmed with completely independent logic control based on actual requirements.
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Why does the 3500/33 149992-01 use epoxy-sealed relays?Epoxy-sealing provides excellent hermetic protection, preventing corrosive gases, moisture, and fine dust particles in industrial fields from eroding the relay contacts, greatly extending hardware life.
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