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Does the DH+ Driver Support the AB1784-U2-DHP Card?
The DF1 Driver supports the AB1784-U2-DHP card provided that the Rockwell cable is used and the required drivers are installed.
The cable creates a virtual communications port and uses DF1 to convert it to DH+. For more information, refer to page 8 of the Rockwell document http://literature.rockwellautomation.com/idc/groups/literature/documents/in/1784-in045_-en-p.pdf.
In order to create the virtual communications port, users are required to install some drivers free from Rockwell.