The Siemens catalog number 6SN1118-0NJ00-0AA2 corresponds to a resolver module designed for use with the SIMODRIVE 611 system, providing universal digital closed-loop control for a single axis. Although this specific unit has been discontinued since 2011, its function was to interface resolver feedback for precise motor control applications. The updated version of this module is the 6SN1118-0NJ01-0AA1, which features modified connectors and enhanced firmware for improved performance. Products like this resolver module, including its current replacements, are available through BSP Automation, ensuring access to reliable components for industrial automation and CNC systems.