Bently 125680-01 Proximitor I/O Module
This Bently Nevada 125680-01 module serves as a dedicated interface for vibration monitoring systems, primarily used in power plants and heavy industrial facilities. It processes signals from proximity probes to measure shaft displacement, rotational imbalance, and mechanical vibrations in turbines, compressors, and pumps. The module’s design focuses on continuous condition monitoring rather than basic on/off control.
Technical Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | Bently Nevada (now part of Baker Hughes) |
| Operating Voltage | 220 VAC nominal |
| Signal Channels | Supports up to 8 analog input channels |
| Communication Protocols | Modbus RTU, Ethernet TCP/IP |
| Environmental Rating | -20°C to +70°C operational range |
| Mounting | DIN rail compatible |

Application Scenarios
Engineers typically deploy this module in environments where early vibration detection prevents catastrophic machinery failures. For instance, in gas-fired power plants, it monitors turbine shaft vibrations in real-time. Refineries use it to track centrifugal compressor health, while paper mills integrate it into their predictive maintenance programs for critical pulp processing equipment.
The module works particularly well with Bently Nevada’s 3300 and 3500 system architectures. We commonly see requests for this model alongside related components like:
- 3500/22M – 8-channel vibration monitoring card
- 3500/42M – Dual-redundant power supply module
- 3500/15 – Relay output module

Our Services
With 16 warehouses across 6 countries, we maintain physical stock of critical components like this module. While new units are no longer produced, we test and certify used modules to ensure functionality. Our technicians can sometimes reprogram configuration settings to match specific customer requirements.
We offer a standard 12-month warranty covering electronic functionality. For urgent needs, we’ve shipped this particular item within 24 hours of order confirmation to locations in the US Gulf Coast and Singapore industrial zones. Contact our team for current pricing and availability:
📱 WhatsApp: +86 190 6659 1275
📧 Email: abbokok@gmail.com








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