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Bently Nevada 3500/25 149369-01 Keyphasor I/O module
Manufacturer: Bently Nevada
Product Number: 3500/25 (149369-01)
Category: Keyphasor I/O Module (3500 Machinery Protection System)
Input Types: Proximity probes, magnetic pickups
Function: Receives signals and provides Keyphasor outputs for synchronous analysis
Product Description
The Bently Nevada 3500/25 149369‑01 is a Keyphasor I/O module with internal barriers and terminations, designed for integration into the 3500 Machinery Protection System rack. It receives signals from proximity probes or magnetic pickups and converts them into precise digital Keyphasor pulses. These pulses, either once-per-turn or multiple-events-per-turn, provide accurate timing for monitoring machinery speed and phase. The module supports standard and redundant system configurations, ensuring reliable monitoring of critical rotating machinery in industrial applications.
Main Features
-
Half-height, two-channel module compatible with 3500 rack systems.
-
Converts analog probe or magnetic pickup signals into digital Keyphasor pulses.
-
Supports once-per-turn and multi-event-per-turn signal outputs.
-
Compatible with normal and paired (TMR) configurations for redundancy.
-
Backward-compatible with legacy Keyphasor I/O modules.
-
Field-upgradeable firmware and support for asset-management data reporting.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 3500/25 149369-01 |
| Weight | 0.46 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model / Part Number | 3500/25 Keyphasor I/O Module, 149369‑01 |
| Module Type | Half-height, two-channel Keyphasor I/O module |
| Input Type | Proximity probe or magnetic pickup signal |
| Compatibility | Backward-compatible with 3500 series Keyphasor modules |
| Operating Temp. | −20°C to +65°C |
Electrical & Signal Processing
| Item | Specification |
|---|---|
| Input Channels | Up to two channels per module |
| Signal Type | Converts analog probe/pickup signals to digital Keyphasor pulses |
| Output Capability | Once-per-turn or multi-event-per-turn pulses |
| Keyphasor Capacity | Up to four inputs in normal mode, up to eight in paired TMR mode |
| Firmware | Field-upgradeable via 3500 Rack Configuration Software |
| Asset Reporting | Supports asset management data export |
Environmental & Safety Standards
| Item | Specification |
|---|---|
| Certifications | Options for ATEX/IECEx/CSA or cNRTLus (Class I Div 2) |
| Mounting & Barriers | Internal barriers included; supports internal terminations |
Industry Applications
The Bently Nevada 3500/25 149369‑01 is widely used in machinery protection and condition monitoring for industries such as:
-
Oil & Gas–Monitoring compressors, turbines, and other rotating assets.
-
Power Generation–Monitoring generators, pumps, and turbines.
-
Chemical & Petrochemical Processing–Ensuring safe and accurate machinery timing.
-
Pulp & Paper, Mining, & Water Treatment–Protection of high-speed rotating machinery.
-
General Rotating Machinery Diagnostics–Any application requiring precise speed and phase monitoring.
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Bently Nevada 3500/25 149369-01 Keyphasor I/O module
Manufacturer: Bently Nevada
Product Number: 3500/25 (149369-01)
Category: Keyphasor I/O Module (3500 Machinery Protection System)
Input Types: Proximity probes, magnetic pickups
Function: Receives signals and provides Keyphasor outputs for synchronous analysis
Product Description
The Bently Nevada 3500/25 149369‑01 is a Keyphasor I/O module with internal barriers and terminations, designed for integration into the 3500 Machinery Protection System rack. It receives signals from proximity probes or magnetic pickups and converts them into precise digital Keyphasor pulses. These pulses, either once-per-turn or multiple-events-per-turn, provide accurate timing for monitoring machinery speed and phase. The module supports standard and redundant system configurations, ensuring reliable monitoring of critical rotating machinery in industrial applications.
Main Features
-
Half-height, two-channel module compatible with 3500 rack systems.
-
Converts analog probe or magnetic pickup signals into digital Keyphasor pulses.
-
Supports once-per-turn and multi-event-per-turn signal outputs.
-
Compatible with normal and paired (TMR) configurations for redundancy.
-
Backward-compatible with legacy Keyphasor I/O modules.
-
Field-upgradeable firmware and support for asset-management data reporting.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 3500/25 149369-01 |
| Weight | 0.46 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model / Part Number | 3500/25 Keyphasor I/O Module, 149369‑01 |
| Module Type | Half-height, two-channel Keyphasor I/O module |
| Input Type | Proximity probe or magnetic pickup signal |
| Compatibility | Backward-compatible with 3500 series Keyphasor modules |
| Operating Temp. | −20°C to +65°C |
Electrical & Signal Processing
| Item | Specification |
|---|---|
| Input Channels | Up to two channels per module |
| Signal Type | Converts analog probe/pickup signals to digital Keyphasor pulses |
| Output Capability | Once-per-turn or multi-event-per-turn pulses |
| Keyphasor Capacity | Up to four inputs in normal mode, up to eight in paired TMR mode |
| Firmware | Field-upgradeable via 3500 Rack Configuration Software |
| Asset Reporting | Supports asset management data export |
Environmental & Safety Standards
| Item | Specification |
|---|---|
| Certifications | Options for ATEX/IECEx/CSA or cNRTLus (Class I Div 2) |
| Mounting & Barriers | Internal barriers included; supports internal terminations |
Industry Applications
The Bently Nevada 3500/25 149369‑01 is widely used in machinery protection and condition monitoring for industries such as:
-
Oil & Gas–Monitoring compressors, turbines, and other rotating assets.
-
Power Generation–Monitoring generators, pumps, and turbines.
-
Chemical & Petrochemical Processing–Ensuring safe and accurate machinery timing.
-
Pulp & Paper, Mining, & Water Treatment–Protection of high-speed rotating machinery.
-
General Rotating Machinery Diagnostics–Any application requiring precise speed and phase monitoring.
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