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951-170-218-EN
Version 06
EN
3. Overview, functional description
PROXY connection states, Table 2
(2 of 2)
LEDs on PROFIBUS DP Master
LED Dual LED LED color
Status/state
Meaning
COM
Green
Flashing acyclically
No configuration, or stack error.
Green
Flashing cyclically
PROFIBUS is configured but bus communication not yet enabled by the
application.
Green
On
Communication established with all slaves.
Red
Flashing cyclically
Communication interrupted with at least one slave.
Red
On
Communication interrupted with all/one slave(s).
LEDs on PROFINET I/O RT Device
SF
Red
On
Watchdog time-out; channel diagnostics or generic or extended diagnostics
available; system error.
Red
Flashing cyclically
at 2 Hz, 3 sec. long
DCP signal service is triggered via the bus.
Transparent
Off
No error
LEDs on PROFINET I/O RT Device
BF
5
Red
On
No configuration; or slow physical connection; or no physical connection
Red
Flashing cyclically at
2 Hz
No data exchange
Transparent
Off
No error
