Authentication and information system for reusable surgical instruments

A surgical system, comprising:

• a handle assembly having a controller, the controller having at least one program and a memory;
• an adapter assembly extending from the handle assembly;
• and
• a loading unit releasably secured to the adapter assembly, the loading unit having a tool assembly mounted for articulation and a member for actuating articulation of the tool assembly, the tool assembly including a removable and replaceable staple cartridge assembly, the loading unit having at least one chip assembly disposed within the staple cartridge assembly, the chip assembly having a chip storing data indicating a position of the member when the tool assembly is in a fully articulated position, wherein the chip receives information from the controller.