Siemens SINUMERIK ONE NCU 1740 - Page 106

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Figure 12-5 NX topology
X122 digital inputs/outputs
When commissioning the drive wizard, the digital inputs/outputs are correspondingly
preassigned functions.
For more information about terminal assignment, see:
• "Guidelines for machine con󹪝guration" System Manual, Chapter "Interfaces and their
terminal assignment"
• Commissioning Manual "IBN CNC: NCK, PLC, drive", Chapter "Communication interfaces and
terminal assignment"
Table 12-7 Interface characteristics of X122
Characteristics Version
Connector type 14-pin spring-loaded terminal
Connection option 0.2 to 1.5 mm
2
Max. current carrying capacity 6 A
Max. cable length 30m
Connectable components
12.1 NX10.3/NX15.3
NCU 1740
106 Equipment Manual, 10/2021, A5E51087503B AA