Project backup for Premium

At a Glance

Certain PLCs Premium allow you to save the project program contained in the executable zone (RAM) of the PLC in the backup memory zone.

The available backup memory card is the TSX MFP B 096K.

Control Expert enables the use of these functions:

Comparison
Automatic restore (shaded field) when the PLC powers up, if the project program is different
Save PLC program on the memory card
Clearing of card data

NOTE: The backup function is not available when the project is already being executed on a RAM or EPROM memory card.

You can compare your project with the one contained in the backup memory. To do this, perform the following actions:

Step	Action
1	Activate the command PLC > Project backup > Compare.... Result: A dialog box appears informing you of the result of the comparison.

You Must Perform the Following Actions to Restore the Contents of the Backup Memory to the Executable Zone of the PLC:

Step	Action
1	Set the WP switch on the backup memory card to ON (lock).
2	Insert the backup memory card into the PLC.
3	Result: The memory card automatically transfers the contents of the backup memory to the executable zone of the PLC.

NOTE: Inserting the memory card in its slot triggers a cold start of the PLC.

You must perform the following actions to transfer the project program to the backup memory:

Step	Action
1	Set the WP switch on the backup memory card to OFF (unlock).
2	Insert the backup memory card into the PLC.
3	Activate the command PLC > Project backup > Save.... Result: A command confirmation screen is displayed.
4	Confirm with OK.
5	Remove the backup memory card from the PLC.
6	Set the WP switch on the backup memory card to ON (lock).

You must perform the following actions to clear the backup memory:

Step	Action
1	Set the WP switch on the backup memory card to OFF (unlock).
2	Insert the backup memory card into the PLC.
3	Activate the command PLC > Project backup > Clear.... Result: A command confirmation screen is displayed.
4	Confirm with OK.