S7-PCI315:LED APL
From IBHsoftec Wiki English
The following table describes the meaning of the application LED.
| Color | State | Meaning |
|---|---|---|
| Duo LED yellow/green | ||
 (green) |
On | PLC is in state RUN. PLC program is executed. |
 (yellow) |
On |
PLC is in state STOP. PLC program is not executed. |
