CPU modules
4.1 CPU module CPU555
SIMATIC TDC hardware
84 System Manual, 08/2017, A5E01114865-AL
Table 4- 5 Operating states of the CPU555 during the firmware update
LED test (approx. 1 sec)
Firmware start (flashing)
Operating system initialization / Startup
Firmware update in progress (F flashing)
Firmware update completed
Technical specifications/performance features
Note
CPU555 in the UR6021
The CPU module CPU555 can only be operated in the rack UR6021.
UR6021 can be equipped with a maximum of eight CPU555.
Note
Removal and insertion
Removal and insertion of the module is not permitted
during operation.
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