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For Sinumerik system applications, Siemens 6FC5250-6AY30-5AH0 provides the function of an NCU System Software Module.
Within the control architecture, this product serves the equipment role stated in its description and should be selected by exact model identity rather than by appearance or a broadly similar name. The original equipment schedule should guide compatibility review.
Within the assigned control-system position, this product is associated with the Sinumerik family and the CNC controls category. Configuration and compatibility should be confirmed for the exact system in which it will be used. The product should be matched to the documented control-system position.
When this product is used for lifecycle support, technicians should confirm the installed revision, connection arrangement, and system assignment rather than assuming interchangeability with a similarly named module. Installation should follow the control node's approved hardware records.
SINUMERIK 840DE CNC software 31-5 on PC card; export software version 6.5; single license
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