The part number 440R-ZBR520AZ1 is a safety monitoring relay designed by Allen-Bradley, a brand of Rockwell Automation. This product is used for monitoring safety inputs in industrial settings, particularly in applications that require multiple safety channels and advanced safety features.
Technical Specifications
- Inputs: The relay has two dual-channel inputs, which can be configured to monitor various safety signals such as proximity sensors, emergency stop buttons, and safety interlocks.
- Outputs: It provides two normally open (N.O.) safety outputs that can be used to control safety devices such as lockout tags or safety interlocks.
- Power Supply: The relay operates on a 24V DC or AC power supply.
- Response Times: The relay has response times of 35 ms for safety outputs with mat input, and 25 ms for safety outputs without mat input.
- Safety Features: The product is designed to meet safety standards such as IEC 62061 and IEC 61508.
Alarm/Error Codes
- Error Codes: The product does not provide specific error codes, but it can be configured to provide diagnostic information through its LED indicators.
- LED Indicators: The relay has LED indicators on the housing that display the status of safety outputs and other system functions.
User Manual
- User Manual: The user manual for this product is available from Rockwell Automation and provides detailed information on installation, configuration, and operation of the relay. It also includes troubleshooting procedures and safety guidelines.
Troubleshooting
- Troubleshooting: The user manual provides troubleshooting procedures for common issues with the relay, such as faulty inputs, incorrect configuration, or malfunctioning outputs.
- Error Handling: The relay is designed to handle errors and provide diagnostic information through its LED indicators.
Programming
- Programming: The relay does not require programming as it is a pre-configured safety monitoring device. However, it can be integrated with other safety devices and systems that require programming.
Installation
- Installation: The relay is designed for easy installation and can be mounted in a standard rack or panel. It requires a 24V DC or AC power supply and connections to safety inputs and outputs.
Key Features
- Dual-channel inputs: The relay can monitor two safety channels, increasing the reliability and flexibility of safety monitoring in industrial settings.
- Advanced safety features: The product meets safety standards such as IEC 62061 and IEC 61508, ensuring compliance with regulatory requirements.
- LED indicators: The relay provides diagnostic information through its LED indicators, making it easier to identify and troubleshoot issues.
- Easy installation: The relay is designed for simple installation and can be integrated with other safety devices and systems.