Fanuc A16B-2201-0391 PMC-NA Board. Fitted with Fanuc series 15-B main boards such as the A16B-2201-0320. This PMC card is an NA type storing and running the ladder for the NC->MC input/ouputs across the machine tool. This board will run on any Series 15B either 15-MB or 15-TB, etc.
The A16B22010391 PMC board is capable of running a ladder to support machine with multiple axes and spindle configurations on very large or complicated machine tools. This board normally has a PMC engine fitted such as the A16B-2900-0790 module. The board is not supplied with any plugin SMD modules, they are available seperately.