The Siemens 6FC5357-0BB33-0AE1 is a high-performance Numerical Control Unit (NCU 573.2) from the legacy SINUMERIK 840D/DE series. Powered by a Pentium II processor, this unit provides robust computational power for complex CNC tasks, featuring 2.5 MB of dedicated NC memory and an expandable PLC memory range up to 288 KB. It is designed to act as the "brain" of high-end machine tools, coordinating multi-axis interpolation and synchronized motion. With integrated PROFIBUS DP connectivity, it facilitates seamless communication with distributed I/O and drive systems. This NCU is widely utilized in aerospace, automotive, and mold-making industries where high-precision milling, turning, and specialized machining are required.
Feature | Specification |
Manufacturer | Siemens |
Article Number | 6FC5357-0BB33-0AE1 |
Product Family | SINUMERIK 840D / 840DE |
NCU Type | NCU 573.2 |
Processor | Pentium II |
CNC Memory | 2.5 MB |
PLC Memory | 96 KB (expandable to 288 KB) |
Communication | PROFIBUS DP Prepared |
Software | Without system software (prepared) |
Control Axis | High-performance multi-axis control capable |
