Special functions of the CPU 410
9.7 Type update with interface change in RUN
CPU 410 Process Automation/CPU 410 SMART
System Manual, 05/2017, A5E31622160-AC
141
Without a backup battery, the following data is not buffered:
● Diagnostic buffer
● Security event buffer
● Date and time
● Process image
● Data blocks that were not backed up to the load memory with CFC
● Data blocks created by the program (CREATE_DB instruction)
● Operating hours counter
● Bit memory
● Timers
● Counters
Caution when replacing a CPU
If you reuse a CPU that has previously been used at a different location, ensure that the
contents backed up in the load memory cannot pose a hazard at the new point of use.
Reset the CPU to factory settings if its previous use is unknown.
If you are using one or two backup batteries in the power supply module and the power
supply module is switched off or the supply voltage in the CPU and configurable modules
fails, the set parameters and the memory content (RAM) will be buffered via the backplane
bus as long as there is still battery capacity.
Type update with interface change in RUN
Overview
The S7-410 automation system supports the type update with interface change in RUN.
Gives you the option to update the instances at block types after an interface change and
download the update to the PLC in RUN.
You will find more detailed information on this topic in the
Process Control System PCS 7,
CFC for SIMATIC S7
manual.
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