Siemens Simatic S7-400

CP 443-1 OPC UA
Operating Instructions, 01/2017, C79000-G8976-C427-02
25
LEDs and connectors
2
2.1
LEDs
LEDs
The display on the front panel consists of the following LEDs that indicate the operating
mode and communications status.
Figure 2-1 LEDs of the CP
The LEDs have the following meaning:
LED name
Meaning
INTF
Internal error
EXTF
External error
BUSF
Bus fault
TXD
Frame traffic (sending) over Ethernet
RXD
Frame traffic (receiving) over Ethernet
SERVER
OPC UA server
CLIENT
OPC UA client
RUN RUN mode
STOP
STOP mode
X1P1
Connection status of Ethernet port 1
Table 2- 1 Legend for the following tables
Symbol
-
Meaning
ON
OFF
Flashing
any