A Signal Tower Light is a multi-tier visual signaling device, essential in automation systems and manufacturing environments. Signal tower lights are also used for machine monitoring, process control, and safety alerting across various sectors, including manufacturing, automation, logistics, and robotics.

• Red: Failure, emergency stop, or urgent maintenance required.
• Yellow/Amber: Warning, such as high temperature/pressure or low material levels.
• Green: Normal operation, machine running properly.
• Blue: External assistance requested, such as a material shortage or operator help.
• White: User-defined or specific productivity monitoring, such as cycle completion