Siemens SINAMICS CU240S DP-F Operating Instructions Manual page 192

Operation
7.2 Operation States Displayed via LED
CU states displayed via LED
Note
corresponding CU state
States on standard CUs
Commissioning
Firmware update from MMC / parameter download
General faults
Ready
States on PROFIBUS DP CUs
Commissioning
Firmware update from MMC / parameter download
General faults
Bus failure (no data)
Bus failure (search baud rate)
Ready
Note
Control Unit with PROFIBUS-DP interface - operation using terminals
If a Control Unit with a PROFIBUS-DP interface is operated using the terminals, the fieldbus
LED will indicate a failure. To avoid this situation, the fieldbus off-time in Parameter P2040
should be set to "0".
States on Profinet CUs
Commissioning
Firmware update from MMC /
parameter download
General faults
Bus failure (no data)
Bus failure (search baud rate)
PROFIsafe failure
Link established
No link established
Data receive / transfer
Ready
192
This symbol indicates that the LED state (on, off or flashing) is not relevant for the
Prio
1
1
3
3
3
3
3
3
3
4
Prio
1
1
1
3
Prio SF
1 /
1 /
3
3 /
3 /
4
SF RDY
/
/
/ /
/ /
/ /
/ /
/ /
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
SF RDY
/
/
RDY
/
/
BF LNK
/
/
/
/
/
Control Units CU240S
BF
ACT
/
/
/
/
/
/