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Stack Lights - Stack Lights


Stack Lights are ideally suited for status indication in industrial manufacturing and process control environments where a local visual and audible signal is required. Multicolor stack lights are used in a variety of machines and process environments; specific color-coding is assigned by the system designer. Commonly used color codes for machine state conditions include: RED: Failure conditions such as an emergency stop or machine fault YELLOW: Warnings such as over-temperature or over-pressure conditions GREEN: Normal machine or process operation BLUE: External help request, where an operator might be requesting raw materials, scheduling, or maintenance personnel assistance WHITE: User-defined conditions to a specific machine, often related to productivity monitoring.