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DOLD – UH 6937

Speed and Frequency Monitor

Description

The UH 6937 allows for speed and frequency monitoring without the use of sensors. As an additional protective measure, the device can be adapted to an application by pressing just a few buttons. With the appropriate wiring, the device can offer the safety functions STO (safe torque off), SOS (safe operation stop), SLS (safely limited speed), SSM (safe speed monitoring) and SSR (safe speed range) in accordance with EN 61800-5-2. And it does all this up to Performance Level (PL) e or Safety Integrity
Level (SIL) 3.

Specifications

Safety rating: SIL 3 Category 4 PL e

Protection rating: IP 40 for housing, IP 20 for terminals

Compliance

EN ISO 13849-1

EN 62061

EN 61800-5-2

IEC 61508

EN 61511

MODEL NUMBER VOLTAGE RANGE OPERATION MODES FREQUENCY RANGE SAFETY RATING
UH 6937.02 (Standard model)
For more part numbers please see technical data
Single phase voltage 8-280V Three phase voltage 16-690V Safe Torque Off (STO), Safe Operating Stop (SOS) Safely Limited Speed (SLS), Safe Speed Monitor (SSM) and Safe Speed Range (SSR) For inverters up to 700Hz or 1200 Hz depending on model Category 4 PLe SIL 3

 

When it comes to ensuring the safety and efficiency of your industrial machinery, the UH 6937 Speed and Frequency Monitor from SAFEMASTER S Series is your ultimate solution. This advanced device offers unparalleled drive monitoring capabilities, designed to provide the utmost safety while optimizing your operations. Explore the advantages and technical features of the UH 6937, a cutting-edge speed and frequency monitor.

Advantages:

  1. Enhanced Safety: The UH 6937 is engineered to meet the highest safety standards, making it suitable for applications up to Cat. 4 / PL e or SIL 3. With safety as a top priority, it ensures that your machinery operates without compromising the well-being of your personnel or equipment.
  2. Efficient Drive Monitoring: Drive monitoring is made easy with the UH 6937. It offers sensorless monitoring of your machinery’s output frequency, allowing you to detect and respond to over- or under-frequency conditions promptly. This proactive approach minimizes the risk of accidents and equipment damage.
  3. User-Friendly Interface: Say goodbye to complex setup procedures. The UH 6937 features an intuitive front display with ergonomically shaped buttons and a backlit LCD screen. Adjust monitoring functions, delay times, and frequency ranges effortlessly, all without the need for a PC.
  4. Adaptive Functionality: Tailor the UH 6937 to your specific application with just a few button presses and appropriate wiring. This adaptability ensures that the monitor seamlessly integrates into your existing setup, enhancing its effectiveness.

Technical Features:

  1. Comprehensive Diagnostic Function: The UH 6937 goes beyond basic monitoring. It offers comprehensive diagnostic capabilities, providing you with valuable insights into your machinery’s performance and health.
  2. Wide Frequency and Voltage Range: This speed and frequency monitor can handle frequencies up to 1200 Hz and voltages up to AC 690 V, making it suitable for a broad range of industrial applications.
  3. Multiple Safety Functions: The UH 6937 supports essential safety functions, including Safe Operating Stop (SOS), Safely Limited Speed (SLS), Safe Torque Off (STO), and Safe Speed Range (SSR) in accordance with IEC 61800-5-2. These functions ensure that your machinery operates within safe parameters at all times.
  4. Quick Response Time: With cycle duration measurements of input frequency, the UH 6937 offers a rapid response to deviations from the desired frequency, minimizing potential risks.
  5. Adjustability: Fine-tune the monitor to your specific needs with adjustable parameters, including hysteresis, release delay, start-up bypass time, and alarm delay.
  6. Galvanic Separation: The device provides galvanic separation of measuring input, auxiliary voltage, and output contacts, further enhancing safety.
  7. Compact Design: With a slim 45 mm construction width, the UH 6937 is space-efficient and fits seamlessly into your control panel.

Incorporate the UH 6937 Speed and Frequency Monitor into your industrial setup, and experience the advantages of enhanced safety and efficient drive monitoring. Trust in its compliance with safety standards and its user-friendly interface to keep your operations running smoothly while prioritizing the safety of your personnel and machinery.

For a reliable and adaptable speed and frequency monitor that ensures peace of mind, choose the UH 6937 from SAFEMASTER S Series. Elevate your industrial safety standards today.