Rockwell ACD Project File Tools

The Rockwell ACD file is an archive file that contains all the files that are used by RSLogix/Studio 5000.

It consists of a number of text files containing version information, compressed XML files containing project and tag information as well as a number of database files.

Unzip

To extract the file use the acd.unzip.Unzip class

from acd.unzip import Unzip

unzip = Unzip('CuteLogix.ACD')
unzip.write_files('output_directory')

Extract Database

Extracting the records from a database file is still a work in progress. However, there is some consistencies across the database files.

To read each of the records and store them in a byte array use the DbExtract function

db = DbExtract("build/SbRegion.Dat")

Extract SbRegion

The SbRegion file seems to be fairly basic, to then parse each record from a DbExtract use code similar to that below.

db: DbExtract = DbExtract("build/SbRegion.Dat")
records: List[SbRegionRecord] = []
for record in db.records:
    records.append(SbRegionRecord(record))

You can then read the string format for each rung. I haven't seen anything other than rungs yet, but hopefully they are stored in a similar format.

records[0].text 

will contain something like

LOWER(@f060d7ef@[6],@f060d7ef@[7]);

The tag references are stored in another database.