Displays - Siemens SIMATIC S7-CPs Manual

Industrial ethernet
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4 Displays

4 Displays
LED display
The display on the front panel consists of 9 LEDs that indicate the operating mode
and communication status.
Front
panel:
The LEDs have the following meaning:
S INTF:
S EXTF:
S BUSF: Bus fault
S TXD:
S RXD:
S MAINT: Maintenance necessary (diagnostic buffer)
S RUN:
S STOP: STOP mode
S P1 / P2: Link status of Ethernet port 1 / port 2,
Unlabeled LEDs have no significance (only relevant for diagnostics)
B−20
INTF
EXTF
BUSF
TXD
RXD
MAINT
RUN
STOP
Internal fault
External fault
Frame traffic (sending) over Ethernet
(not relevant for PROFINET IO data)
Frame traffic (receiving) over Ethernet
(not relevant for PROFINET IO data)
RUN mode
Activity of Ethernet port 1 / port 2
P1
P2
CP 443-1 for Industrial Ethernet / Manual Part B
C79000-G8976-C223−06
Release 07/2010

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