Description
Bentley Nevada 125388-01H Digital Input Module
The
Bentley Nevada 125388-01H is a high-precision digital input module designed for the 3500 Series machinery protection system. It interfaces with proximity probes, accelerometers, and other sensors to monitor critical parameters such as vibration, displacement, and temperature in rotating equipment. With dual-channel capabilities and advanced signal conditioning, the
125388-01H converts raw sensor data into standardized analog or digital signals, enabling real-time diagnostics and predictive maintenance.
| Parameter |
Specification |
| Compatibility |
Bentley Nevada 3500/40M Machinery Protection System |
| Channels |
2 (expandable) |
| Input Signals |
Digital (0-5V/TTL), analog (4-20 mA), or sensor-specific |
| Outputs |
4-20 mA analog, digital alarms, RS485 Modbus |
| Voltage |
24 VDC ±10% |
| Frequency Range |
0–30 kHz |
| Dimensions |
24.2 cm × 11.2 cm × 2.5 cm |
| Certifications |
CE, UL, RoHS |
- Multi-Function Monitoring: Supports radial vibration, thrust position, and temperature measurements in a single module.
- Redundancy Support: Dual-channel design ensures continuous operation in critical systems.
- Precision Signal Conditioning: ±0.1% accuracy and noise filtering for reliable machinery health assessment.
- Hot-Swap Capability: Modules can be replaced without system shutdown, minimizing downtime.
- Environmental Robustness: Operates in temperatures from -40°C to +85°C and withstands high vibrations.
Industries:
- Power generation (gas/steam turbines)
- Oil and gas (pumps, compressors)
- Manufacturing (rotating machinery)
Case Study:
A European steel plant integrated the 125388-01H to monitor rolling mill vibrations. By detecting a bearing fault through real-time displacement analysis, the plant avoided a $150,000 breakdown and extended equipment lifespan by 18 months.
The 125388-01H outperforms standard modules with:
- Integrated Communication: Built-in RS485 Modbus support eliminates external converters.
- Advanced Diagnostics: Self-testing and sensor failure detection reduce false alarms.
- Space Efficiency: Half-height design occupies 30% less rack space than comparable dual-channel solutions.
- System Requirements: Verify compatibility with 3500/40M racks and sensor types (eddy current/magnetic).
- Environmental Needs: Opt for IP66-rated enclosures for outdoor or corrosive environments.
- Redundancy Strategy: Pair with additional modules for triple modular redundant (TMR) configurations.
- Installation: Follow ESD protocols and secure wiring to prevent signal interference.
- Calibration: Perform sensor calibration every 6 months using Bentley Nevada-approved tools.
- Software Updates: Regularly update firmware to access new diagnostic features and security patches.
Shanxi Xinyeda International Trade Co., Ltd. specializes in
Bentley Nevada 125388-01H and automation solutions. Visit
www.xydcontrol.com for technical support, product details, and global logistics.
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Full 12-month warranty
Available for dispatch immediately
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Full 12-month warranty on all components
