| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal device which is easily manufactured and is installable and is highly durable. SOLUTION: The industrial signal device which has a single module having a light source function of emitting different colored light and indicates the operating condition of a machine. The emitted light is steady or flashing and may be controlled by an external PLC or onboard microprocessor. The PLC or onboard microprocessor interprets incoming information and changes the color of the light or the flashing patterns thereof according thereto. This light source may be an LED, ionizable gas or fluorescent lamp. |
