Siemens 6SL3040-1LA01-0AA0 SIMATIC S120 Control Unit CU310 DP, core control component for S120 servo drive system. It handles motion control, parameter configuration and communication for servo drives, widely applied for CNC machine tools, automated production lines, material handling and industrial positioning equipment. This unit is new unboxed, no installation history, no commissioning. Housing, ports and connectors are in excellent condition, free of scratches, dents or oxidation. Please check all item photos carefully before purchase and verify compatibility with your existing drive system. Disclaimer: Item sold as pictured. No technical support, no software license included. Buyer must confirm compatibility prior to purchase. We are not liable for risks arising from improper installation, commissioning or mismatched application. California Prop 65 Warning: