Read a dataset value using an internal read parameter

1. Create a module containing an Internal Read parameter (located on the Special Items palette).
2. Modify the properties of the Internal Read parameter by specifying a parameter type of External Reference.
3. For the External parameter path field, click Browse.
4. In the Browse dialog, select System Configuration in the Look in field.
5. Select DST Parameters in the Object Type field.
6. Starting at Physical Network, drill down until the dialog contains DSTs. The list includes dataset tags.
7. Double-click the dataset tag that contains the parameter (register) that corresponds to the dataset value that you want to read.
8. Double-click the parameter. 
9. If desired, scale your input value using the Analog Input block's XD_SCALE, OUT_SCALE, and L_TYPE parameters.