Description of the device
1.3 Meaning of the LED display
PIN
Short name
9
RTS
Shield
1.3
Meaning of the LED display
LED display
The meaning of the LED display is as follows:
Labeling
PWR USB (green)
PWR EXT (green)
IDENT (green)
LNK/SF (green or red)
ACT (green)
12
Meaning
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-
ing.
Status
On
Off
On
Off
Flashes regularly
Green on
Red on
Read flashing fast
Read flashing slowly
Red flashes cyclically
(3 times fast, then
break)
Off
Flashing
Meaning
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
same PG/PC
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
USB problem
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
Input/output
Output
CP 5711