Siemens 6FC5357-0BB35-0AA0 Numerical Control Unit

Siemens 6FC5357-0BB35-0AA0 is a SINUMERIK 840D/DE CNC hardware NCU 573.5, the dedicated numerical control unit at the heart of the SINUMERIK 840D/DE system. It is built around a 933 MHz processor and provides 64 MB of RAM, with system software memory not included; NC data memory totals 3 MB and PLC memory 128 KB, and the module is prepared for PROFIBUS DP communications. Catalogued as a spare part for SINUMERIK 840D/DE CNC hardware, this NCU module handles the execution of NC programs and coordination of motion and PLC tasks within a machine tool environment. It is intended for use in legacy SINUMERIK 840D/DE installations where upgrading or replacing the NCU is needed to maintain control performance without altering the rest of the control architecture. The 6FC5357-0BB35-0AA0 belongs to Siemens' SINUMERIK 840D/DE hardware family and is designed to fit within the SINUMERIK 840D/DE ecosystem, ensuring compatibility with standard SINUMERIK interfaces and PROFIBUS DP networks.