You must export each module in the hierarchy individually.
To export the modules:
From DeltaV Explorer, select the SLAVE_CAS1 module under MASTER_CAS_1.
Select .
Click Next.
Click Next to acknowledge that you are exporting children of SLAVE_CAS1.
Select the check box by SLAVE_CAS1.
Click Next.
Browse to the SLAVE_CAS.FMT format specification file.
Specify the target data file as SLAVE_CAS.
Export the data.
Repeat steps 1 through 9 for MASTER_CAS. When you export MASTER_CAS select only the MASTER_CAS_1 module in the hierarchy diagram of the User Defined Export dialog. Do not select anything else.