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Bently Nevada 3500/25 135473-01 Keyphasor I/O module
Manufacturer: Bently Nevada
Product Number: 3500/25 (135473-01)
Category: Keyphasor I/O Module (3500 System)
Input Types: Proximity probes, magnetic pickups
System Compatibility: Bently Nevada 3500 machinery protection system
Function: Receives analog signals and provides Keyphasor outputs
Product Description
The Bently Nevada 3500/25 135473‑01 is a Keyphasor I/O module with internal barriers and terminations, designed for integration into the 3500 machinery protection system rack. It receives analog signals from proximity probes or magnetic pickups and converts them into digital Keyphasor pulses—either once‑per‑turn or multiple‑events‑per‑turn. These precise timing signals enable monitor modules and external diagnostic tools to accurately assess rotating machinery speed and phase, supporting both standard and redundant system configurations for reliable machinery monitoring.
Main Features
-
Half‑height, two‑channel module compatible with 3500 rack systems.
-
Processes Keyphasor signals from probes or pickups, enabling accurate shaft speed and vector phase detection.
-
Full backward compatibility with legacy Keyphasor I/O modules.
-
Supports normal and paired configurations (up to four primary, or eight in paired TMR setups).
-
Converts multi‑event‑per‑turn inputs into once‑per‑turn signals for flexibility.
-
Field‑upgradeable firmware and asset‑management data reporting capability.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model / Part Number | 3500/25 Keyphasor I/O Module, 135473‑01 |
| 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 inputs to digital Keyphasor pulses |
| Output Capability | Once‑per‑turn or multi‑event‑per‑turn pulses; processed or non‑processed output |
| 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), based on ordering code |
| Approvals | See product-specific approvals guide |
| Mounting & Barriers | Internal barriers included; supports internal terminations |
Industry Applications
The Bently Nevada 3500/25 135473‑01 is widely used for machinery protection and condition monitoring in industries such as:
-
Oil & Gas–Monitoring compressors and turbines.
-
Power Generation–Monitoring generators, pumps, and other rotating equipment.
-
Chemical & Petrochemical Processing–Ensuring safe and accurate machinery timing.
-
Pulp & Paper, Mining, & Water Treatment–Protection of high-speed mechanical assets.
-
General Rotating Machinery Diagnostics–Any application requiring precise speed and phase monitoring.
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Bently Nevada 3500/25 135473-01 Keyphasor I/O module
Manufacturer: Bently Nevada
Product Number: 3500/25 (135473-01)
Category: Keyphasor I/O Module (3500 System)
Input Types: Proximity probes, magnetic pickups
System Compatibility: Bently Nevada 3500 machinery protection system
Function: Receives analog signals and provides Keyphasor outputs
Product Description
The Bently Nevada 3500/25 135473‑01 is a Keyphasor I/O module with internal barriers and terminations, designed for integration into the 3500 machinery protection system rack. It receives analog signals from proximity probes or magnetic pickups and converts them into digital Keyphasor pulses—either once‑per‑turn or multiple‑events‑per‑turn. These precise timing signals enable monitor modules and external diagnostic tools to accurately assess rotating machinery speed and phase, supporting both standard and redundant system configurations for reliable machinery monitoring.
Main Features
-
Half‑height, two‑channel module compatible with 3500 rack systems.
-
Processes Keyphasor signals from probes or pickups, enabling accurate shaft speed and vector phase detection.
-
Full backward compatibility with legacy Keyphasor I/O modules.
-
Supports normal and paired configurations (up to four primary, or eight in paired TMR setups).
-
Converts multi‑event‑per‑turn inputs into once‑per‑turn signals for flexibility.
-
Field‑upgradeable firmware and asset‑management data reporting capability.
Technical Specifications
Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions | 241.3 × 24.4 × 103.1 mm |
| Weight | 0.46 kg |
General Information
| Item | Specification |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model / Part Number | 3500/25 Keyphasor I/O Module, 135473‑01 |
| 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 inputs to digital Keyphasor pulses |
| Output Capability | Once‑per‑turn or multi‑event‑per‑turn pulses; processed or non‑processed output |
| 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), based on ordering code |
| Approvals | See product-specific approvals guide |
| Mounting & Barriers | Internal barriers included; supports internal terminations |
Industry Applications
The Bently Nevada 3500/25 135473‑01 is widely used for machinery protection and condition monitoring in industries such as:
-
Oil & Gas–Monitoring compressors and turbines.
-
Power Generation–Monitoring generators, pumps, and other rotating equipment.
-
Chemical & Petrochemical Processing–Ensuring safe and accurate machinery timing.
-
Pulp & Paper, Mining, & Water Treatment–Protection of high-speed mechanical assets.
-
General Rotating Machinery Diagnostics–Any application requiring precise speed and phase monitoring.
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