17
Industrial Communication
The LED display on the M12 sockets displays the diagnosis for the corresponding socket.
2
PoE
L/A
Designation
Condition
Function
PoE
Yellow
PoE in operation
Yellow flashing
PoE function switched off
L/A
Green
Link exists
Green flashing
Communication
X0
IO
0.0
IO
1.0
Designation
Condition
Function
IO 0.0/IO 1.0
Yellow
Input
UB at Pin 2/4
Output
Switching output at UB Pin 2/4
Red
Output
Short circuit at Pin 2/4
7.7.2 LED Display PROFINET Device (ZAC51PN01)
CS
MS
The status displays for the communication are marked on the switch with CS and MS.
Designation
Condition
Function
CS (Communication
Status)
Off
Connection (AR) with controller established
Green
Protocol not initialized
Red
No connection (AR) with controller established
MS (Module Status)
Off
Module Status OK
Red
Device Error
Red flashing
Detection function, switched on via Engineering Tool
The LED display on the M12 sockets displays the diagnosis for the corresponding socket.