Pepperl+Fuchs KFD2-DWB-Ex1.D Frequency Converters Isolated Barriers
Description
The KFD2-DWB-Ex1.D is a high-performance Frequency Converter designed for use in hazardous areas, particularly in applications requiring overspeed or underspeed monitoring. This device is engineered to compare the input frequency from NAMUR sensors or mechanical contacts with user-programmed reference frequencies, providing reliable relay outputs for speed monitoring. With its advanced features and robust design, the KFD2-DWB-Ex1.D ensures accurate and safe operation in environments where speed control is critical.
Features
This Frequency Converter is equipped with a range of features that enhance its versatility and reliability. It supports an input frequency range of 0.001 Hz to 5000 Hz, making it suitable for various speed monitoring applications. The device includes two relay contact outputs that can be configured to signal overspeed or underspeed conditions. It also offers a start-up override feature, allowing relay outputs to be set to default conditions for up to 1000 seconds during system initialization. The KFD2-DWB-Ex1.D is designed with line fault detection (LFD) capabilities, ensuring continuous monitoring of the field circuit for potential faults. Additionally, it features a keypad for easy programming and configuration, enabling users to tailor the device to specific application requirements.
Function
The KFD2-DWB-Ex1.D functions by continuously monitoring the input frequency and comparing it to predefined reference values. When the input frequency exceeds or falls below these reference values, the device triggers the relay outputs to signal overspeed or underspeed conditions. This makes it ideal for applications such as motor speed control, conveyor belt monitoring, and other industrial processes where speed regulation is essential. The start-up override feature ensures that the relay outputs remain in a safe state during system startup, preventing false alarms or unnecessary interventions. The line fault detection capability further enhances system reliability by identifying and indicating potential issues in the field circuit. With its user-friendly keypad and comprehensive diagnostic capabilities, the KFD2-DWB-Ex1.D provides a comprehensive solution for speed monitoring in hazardous environments.
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