CP 343-1 Lean
Equipment Manual, 01/2023, C79000−G8976−C198−09
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LEDs
LEDs
The display on the front panel consists of the following LEDs that indicate the operating
mode and communications status.
Figure 4-1 LEDs of the CP 343-1 Lean CX10
The LEDs have the following meaning:
• SF: Group error
• BF: Bus fault on Ethernet interface
• DC5V: 5 VDC power supply via the backplane bus (green = OK)
• RX/TX: Acyclic data traffic, for example SEND/RECEIVE
(not relevant for PROFINET IO data)
• RUN: RUN mode
• STOP: STOP mode
• X1P1: Link status / activity of Ethernet port 1
• X1P2: Link status / activity of Ethernet port 2
• MAINT: maintenance required (note/evaluate diagnostics buffer)
Legend for the following LED tables
The LED symbols in the following tables have the following significance: