Siemens SINUMERIK 840D sl Function Manual page 619

8.2.2 Measuring probe connection
Connection to SINUMERIK 840D
The probe is connected to the SINUMERIK 840D system via the I/O device interface X121
located on the front plate of the NCU module.
Figure 8-2
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Interfaces, control and display elements on the NCU module
Measurement (M5)
Hardware requirements
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