PRODUCT DESCRIPTION
SIEMENS 6FC5357-0BB23-0AA1 - Numerical Control Unit (NCU)
This component is a Numerical Control Unit (NCU) from the SIEMENS SINUMERIK 840D sl series, specifically the NCU 720.3B PN variant. It serves as the central processing and control module for high-performance machine tools, integrating CNC, PLC, and safety functions within a unified system architecture. Designed for complex multi-axis applications, it facilitates precise motion control and process automation in demanding industrial environments.
Technical Specifications:
- SERIES/FAMILY: SINUMERIK 840D sl, NCU 720.3B PN
- COMPONENT TYPE: Numerical Control Unit (NCU)
- ELECTRICAL SPECS: NOMINAL INPUT VOLTAGE: 24VDC POWER CONSUMPTION: Refer to specific system configuration for exact values, typically 50-100W for the module.
- MECHANICAL/PHYSICAL: FORM FACTOR: Modular unit designed for integration into the SINUMERIK 840D sl system rack COOLING: Passive convection, relies on cabinet cooling.
- INTERFACE/CONTROL: COMMUNICATION PROTOCOLS: PROFINET (integrated), PROFIBUS DP (via optional modules), DRIVE-CLiQ (for drive system integration) INTEGRATED PLC: SIMATIC S7-300/400 compatible CPU MOTION CONTROL: Supports high-performance multi-axis control, typically up to 31 axes/spindles depending on configuration HMI INTERFACE: Ethernet for connection to PCU/OP units.
- ENVIRONMENTAL/MOUNTING: IP RATING: IP20 (for cabinet installation) MOUNTING STYLE: Rack-mounted within a control cabinet.
- COMPATIBILITY/APPLICATION: SINUMERIK 840D sl control systems CNC machine tools (milling, turning, grinding, laser cutting) Multi-axis automation systems Robotics High-precision manufacturing processes.