Description of the device
1.3 Meaning of the LED display
Meaning of the LED display
The meaning of the LED display is as follows:
PWR USB (green)
PWR EXT (green)
LNK/SF (green or red)
RTS output signal of the CP module. The control signal is "1"
active when the device (PG or PC) is sending.
The shield is connected to components of the connector hous-
Read flashing fast
Read flashing slowly
Red flashes cyclically
(3 times fast, then
The CP is connected to an active USB connector
There is no connection to an active USB connector
There is an additional power source connected to the CP via the exter-
nal power supply.
There is no external power supply connected to the CP. Power is sup-
plied only via the active USB interface.
Identification of the CP 5711 to distinguish it from other CPs in the
Using a relevant diagnostics function in the "Communications Settings"
configuration tool or the "Station Configuration Editor", you can activate
these LEDs for test purposes.
A node was detected on PROFIBUS
The CP 5711 is defective
Exception status; unexpected runtime error
Bus disruption. You will find the possible causes in the message box
that appears on the screen
No node was detected on PROFIBUS
The CP is actively involved in data traffic
Operating Instructions, 02/2018, C79000-G8976-C283-05