Description
1. Detailed parameter table
Parameter name | Parameter value |
Product model | 125800 – 01 |
Manufacturer | BENTLY NEVADA |
Product category | Keyphasor I/O Module |
Series | 3500 |
Dimensions | 24.2 cm x 11.2 cm x 2.5 cm |
Weight | 0.38 kg |
Operating temperature | 0 °C to + 65 °C |
Storage temperature | – 40 °C to + 85 °C |
Humidity | 95%, non – condensing |
Keyphasor inputs | Up to 4 in standard configurations, up to 8 in paired configurations |
Input types | Magnetic pickups or proximity probes |
Output type | Digital keyphasor signals |
BENTLY 125800-01
2. Product introduction
The BENTLY NEVADA 125800 – 01 is a Keyphasor I/O Module that plays a crucial role in industrial machinery monitoring systems, especially as part of the renowned 3500 series. It is designed to detect and process keyphasor signals, which are essential for accurately determining the rotational position and speed of shafts in industrial machinery.
This module functions by receiving input from magnetic pickups or proximity probes. When the keyphasor mark on a rotating shaft aligns with the transducer, the 125800 – 01 module detects this alignment. It then converts the incoming analog signals into digital keyphasor signals. In the 3500 machinery protection system, these processed signals are used to precisely measure shaft rotative speed and vector characteristics such as 1x vibration amplitude and phase. This information is invaluable for machinery protection and diagnostics, enabling operators to monitor the health of critical equipment and take preventive measures against potential failures.
3. Core advantages and technical highlights
Enhanced signal processing: The 125800 – 01 offers improved keyphasor signal processing capabilities compared to previous models. It can more accurately analyze and interpret the signals from magnetic pickups or proximity probes. This enhanced processing allows for more precise measurement of shaft rotational parameters, which is crucial for detecting early signs of machinery problems. For example, it can detect even the slightest changes in shaft speed or phase, enabling early intervention to prevent equipment damage.
Backward compatibility: While providing advanced features, the 125800 – 01 maintains full backward compatibility in terms of shape, fit, and functionality with existing keyphasor modules. This means that it can be easily integrated into older systems without the need for major reconfigurations or replacements of other components. This is highly beneficial for industries where upgrading systems incrementally is more cost – effective and less disruptive.
Flexible configuration: It supports various system configurations. In standard setups, the 3500 machinery protection system, with the 125800 – 01 module, can accept up to four keyphasor signals. For more complex requirements, in a paired configuration, it can handle up to eight keyphasor inputs. This flexibility makes it suitable for a wide range of industrial applications, from small – scale machinery with basic monitoring needs to large – scale industrial plants with multiple shafts and complex monitoring requirements.
4. Typical application scenarios
Power generation: In power plants, whether they are gas – fired, coal – fired, or hydro – electric, the BENTLY 125800 – 01 is used to monitor the rotational speed and position of turbines. By accurately measuring these parameters, it can help detect any misalignment or abnormal rotation of the turbine shafts. For instance, if a turbine shaft starts to deviate from its normal rotational speed or phase, the 125800 – 01 can quickly detect this change and send signals to the monitoring system. This allows operators to take corrective actions promptly, preventing potential power generation losses and equipment failures.
Oil and gas: In oil refineries and gas processing plants, the 125800 – 01 is applied to monitor the rotating equipment such as pumps and compressors. Precise measurement of shaft rotation using this module helps in ensuring the efficient operation of these machines. For example, in a reciprocating compressor, the 125800 – 01 can monitor the keyphasor signals to detect any irregularities in the piston movement, which could be an indication of wear or misalignment. By detecting such issues early, maintenance teams can schedule timely repairs, reducing unplanned downtime and production losses.
Manufacturing: In manufacturing industries, especially those with high – speed rotating machinery like in the automotive or aerospace sectors, the 125800 – 01 is used to ensure the quality and reliability of the production process. In an automotive engine manufacturing plant, the module can be used to monitor the rotation of machining tools. If the tool’s rotation speed or phase is not within the optimal range, it can affect the precision of engine component machining. The 125800 – 01 helps in maintaining the accuracy of the manufacturing process by providing real – time data on the rotational parameters of the machinery.
BENTLY 125800-01
5. Related model recommendations
149369 – 01: This is a newer module that has replaced the keyphasor module PWA 125792 – 01, which was related to the 125800 – 01. It likely offers further enhanced features and performance improvements, and can be considered as an upgrade option for users looking for the latest technology in keyphasor signal processing.
3500/34 TMR Relay Module: In triple modular redundant (TMR) applications, when system key phase input is required, the 3500 system, which includes the 125800 – 01, should use two keyphasor modules along with the 3500/34 TMR Relay Module. This module helps in ensuring the reliability and redundancy of the system in critical applications.
BENTLY Eddy current sensors: These sensors can be used in conjunction with the 125800 – 01 module. Eddy current sensors are effective in detecting the position and movement of conductive materials, such as the keyphasor marks on shafts. When paired with the 125800 – 01, they form a reliable system for measuring keyphasor signals.
3500 Rack Interface Module: As part of the 3500 series infrastructure, the 3500 Rack Interface Module provides the interface for the 125800 – 01 to be integrated into the overall 3500 monitoring system. It ensures proper communication and functionality within the system.
3500/40M Proximitor Monitor: This monitor from the 3500 series can work in tandem with the 125800 – 01. The 3500/40M is mainly focused on vibration and position monitoring, and together with the 125800 – 01‘s keyphasor signal processing capabilities, they can offer a more comprehensive monitoring solution for industrial machinery.
6. Installation, commissioning and maintenance instructions
Installation preparation: Before installing the BENTLY 125800 – 01, ensure that the 3500 rack is properly grounded and all other associated modules are correctly installed. Clean the half – height slot in the rack where the 125800 – 01 will be placed to remove any dust or debris that could affect its performance. Use anti – static precautions, such as wearing an anti – static wristband, to prevent electrostatic discharge from damaging the sensitive electronic components of the module. When inserting the 125800 – 01 into the rack, carefully align it with the slot and gently push it in until it is securely seated. Connect the input cables from the magnetic pickups or proximity probes, following the correct wiring diagram to ensure accurate signal reception.
Maintenance suggestions: For daily maintenance, regularly check the status LEDs on the 125800 – 01 to ensure that it is receiving power and functioning correctly. Check for any loose cable connections monthly and tighten them if necessary. Every six months, perform a calibration check using a known keyphasor signal source to ensure the accuracy of the module’s signal processing. If any issues are detected, such as incorrect keyphasor signal readings, first check the sensors and cables for faults. If the problem persists, consult BENTLY NEVADA’s technical support for further troubleshooting. When replacing any parts, always use genuine BENTLY NEVADA spare parts to maintain the integrity and performance of the 125800 – 01 module.
7. Service and guarantee commitment
BENTLY NEVADA offers a 1 – year warranty for the 125800 – 01 module, covering any defects in materials and workmanship under normal operating conditions. Their highly skilled technical support team is available 24/7 to assist customers. They can provide detailed installation guidance, helping customers to correctly install the module in different industrial setups. In case of any issues with the 125800 – 01, the technical support team can offer remote troubleshooting services. If required, they can also arrange on – site support. BENTLY NEVADA ensures the availability of spare parts for at least 10 years post – production. This long – term commitment to service and support reflects the company’s confidence in the quality of the 125800 – 01 and its dedication to customer satisfaction, providing customers with peace of mind when using this critical industrial component.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
- 1. Email confirmation
You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.