LEDs
CP 443-1 (EX30)
36 Manual, 03/2019, C79000-G8976-C255-05
CP communications status / LED display patterns
TXD (green)
CP sending over Ethernet.
Note:
Sending over PROFINET IO is not signaled here.
RXD (green)
CP is receiving over Ethernet.
Note:
Receiving over PROFINET IO is not signaled here.
P1 / P2
(green / yellow)
Port has no connection over Ethernet.
Existing connection over port to Ethernet (LINK status).
LED flashes yellow (constant light green):
Port sending / receiving over Ethernet or PROFINET IO.
Note:
All received / sent frames are signaled for each specific port
including those simply forwarded by the switch.
There is permanent data transfer via Ethernet at the port.
Table 4- 2 Legend
-
Module identification with flashing LED (PROFINET interface)
With the help of Web diagnostics or the online functions of STEP 7, you can search for and
identify the module in the rack. The options for this are as follows:
● In Web diagnostics
You click the "Flash" button in the update center.
● In STEP 7
You click the "Flash" button in the "Browse network" dialog
If you click the "Identify" or "Flash" buttons, all the port LEDs of the PROFINET interface
flash briefly.
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