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Siemens designates 6FC5357-0BB15-0AB0 as an NCU 571.5 Processor Module associated with the Sinumerik control platform.
Processor and controller modules execute configured control functions, coordinate data from I/O and communication resources, and manage the operating sequence assigned to their control node. Installation should follow the control node's approved hardware records.
Sinumerik provides the platform context for this product, while the CNC controls classification identifies its broader automation role. Exact application should follow the installed system configuration. Service decisions should reflect the configured signal and control function.
For ongoing lifecycle support, proper application depends on matching the product to the original control-system design, including its physical position, electrical connections, and configured relationship with surrounding hardware. Connection and configuration should follow the requirements of the platform.
SINUMERIK 840D/DE CNC hardware NCU 571.5B, 900 MHz, 128 MB without system software memory: NC 3 MB, PLC 128 KB PROFIBUS DP prepared
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