4 Displays
B−22
CP 443-1 for Industrial Ethernet / Manual Part B
Release 07/2010
C79000-G8976-C223−06
CP communications status / LED display patterns
LED Display status Meaning
TXD (green) green CP sending over Ethernet.
Note:
Sending over PROFINET IO is not
signaled here.
RXD (green) green CP is receiving over Ethernet
Note:
Receiving over PROFINET IO is not
signaled here.
P1 / P2
green Existing connection over port to Ethernet
(LINK status).
green /
yellow
LED flashes yellow, steady light green:
Port sending / receiving over Ethernet or
PROFINET IO.
Note:
All received / sent frames are signaled for
the specific ports, This includes those that
are simply forwarded by the switch.
yellow There is continuous data transfer over
Ethernet at the port (for example
PROFINET IO).
Legend: (colored) on off (colored) flashing
Module identification
Using the SIMATIC Manager, you can search for and identify the module initially by
browsing the connected network with the menu “PLC” > “Edit Ethernet Node”. If
you select the found node in the “Browse Network” dialog, and then click -“flash”,
all the port LEDs of the PROFINET interface flash.
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