Save the CPU project in the flash memory (and the memory card if inserted):
If MAST is configured as periodic, set the MAST period to a value larger than the actual MAST execution time. This lets the processor complete an entire backup without interruption.
If the MAST period is set to a value less than the actual MAST execution time, backup processing is fragmented and requires a longer time to finish.
- Automatically after an online modification is performed in the application RAM
- Automatically after a download
- Automatically on detection of %S66 system bit rising edge
- Manually with a Unity Pro command: PLC → Project Backup → Backup Save
If MAST is configured as periodic, set the MAST period to a value larger than the actual MAST execution time. This lets the processor complete an entire backup without interruption.
If the MAST period is set to a value less than the actual MAST execution time, backup processing is fragmented and requires a longer time to finish.
Released for: Schneider Electric India
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