Operating instructions
Operation
7.2 Operation States Displayed via LED
Control Units CU240S
194 Operating Instructions, 10/2007, A5E00766042B AC
CU states displayed via LED
States on standard CUs Prio SF RDY
Commissioning 1
Firmware update from MMC / parameter download 1
General faults 1
Ready 3
States on PROFIBUS DP CUs Prio SF RDY BF
Commissioning 1
/ /
Firmware update from MMC / parameter download 1
/ /
General faults 3
/ /
Bus failure (no data) 3 / /
Bus failure (search baud rate) 3 / /
Ready 4
/ /
States on Profinet CUs Prio SF RDY BF LNK ACT
Commissioning 1
/ / / /
Firmware update from MMC /
parameter download
1
/ / / /
General faults 3
/ / / /
Bus failure (no data) 3 / /
/
Bus failure (search baud rate) 3 / /
PROFIsafe failure 3
/ / / /
Link established 3 / /
/
No link established 3 / /
Data receive / transfer 3 / /
Ready 4
/ / / /










