Allen Bradley 440R-D23171 Safety relays are devices used in industrial automation systems to monitor and control safety functions。
Here are some key features and specifications of the 440R-D23171 Safety Relay:
Safety Functions: The relay is designed to handle safety functions such as monitoring emergency stop buttons, monitoring safety gates and interlocks, and detecting faults in the safety system.
Inputs: It has multiple input channels for connecting various safety devices. These inputs can be configured for different types of signals, including two-hand control, light curtains, and safety switches.
Output Configuration: The relay provides safety-rated outputs, which can be used to interface with safety devices or other safety control systems.
Diagnostic and Monitoring Features: The 440R-D23171 safety relay includes built-in diagnostics and monitoring capabilities. These features help detect faults in the safety system and provide status information.
Connectivity Options: The relay supports various communication interfaces such as EtherNet/IP and DeviceNet, allowing integration into larger control systems.
Safety Integrity Level (SIL) Rating: The 440R-D23171 safety relay is typically designed to meet the requirements of specific safety integrity levels, such as SIL 3 according to the IEC 61508 standard.
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