Status LEDs
LED |
Color |
Status |
Meaning |
PWR |
Green |
On |
Power supply available |
Blinking |
— |
Off |
Power supply not available or defective hardware |
RDY |
Yellow |
On |
Boot procedure |
Blinking |
Boot failure |
Off |
— |
RUN |
Green |
On |
Communication Module is operational |
Blinking |
— |
Off |
Communication Module is not operational |
STA1 PNIO |
Red |
On |
In incorporation with STA2 PNIO: License fault |
Blinking |
System error |
Off |
No system error |
STA2 PNIO |
Red |
On |
No connection; in incorporation with STA1 PNIO: License fault |
Blinking |
Configuration fault: some configured IO Devices are not connected |
Off |
No bus error, communication is running |
The RJ45 Ethernet connector contains two LEDs showing the current Ethernet port connection state. The following figure and table show the position and function of the LEDs:
LED |
Color |
Status |
Meaning |
PNIO1 LED “Link” |
Green |
On |
Ethernet connection established |
Off |
No Ethernet connection |
PNIO1 LED “RX/TX” |
Yellow |
On |
— |
Blinking |
Device sends/receives frames |
Off |
— |
PNIO2 LED “Link” |
Green |
On |
Ethernet connection established |
Off |
No Ethernet connection |
PNIO2 LED “RX/TX” |
Yellow |
On |
— |
Blinking |
Device sends/receives frames |
Off |
— |