S7-PCI315:LED
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Meaning and naming of S7-PCI315 PLC LEDs
| LED Naming in the Device Drawing | PROFIBUS DP |
|---|---|
SYS  (yellow / green) |
SYS (System status) |
| APL (yellow / green) |
APL (Application, S7-PCI315 SPS) |
| COM 0 (Communication status)  (red / green) |
COM (Communication status) |
| COM 1 (Communication status) (red / green) |
(not used) |