Leds And Mode Selector; Led Displays - Siemens CP 342-5 Manual

Communications processor for connection of simatic s7-300 / to profibus dp
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LEDs and mode selector

2.1

LED displays

LEDs on the front panel
On the front panel, you will see the following LEDs for displaying the operational and
communications status:
Figure 2-1
The LEDs have the following meaning:
● SF: Group error
● BUSF: Bus faults on the PROFIBUS interface
● RUN: RUN mode
● STOP: STOP mode
Unlabeled LED placeholders have no meaning.
LEDs for displaying the operating mode
The different combinations of the LEDs on the front panel indicate the status according to the
following scheme.
Table 2- 1
Symbol
Status
Table 2- 2
SF(red)
Startup and operating statuses
CP 342-5 / CP 342-5 FO
Manual, 07/2017, C79000-G8976-C146-10
LEDs on the front panel
Legend - meaning of the symbols
ON (steady light)
LED display schemes
BUSF (red)
RUN (green)
OFF
Flashing
STOP (yellow)
CP operating mode
Starting up (STOP → RUN)
Running (RUN)
2
-
Any
29

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