Siemens SINUMERIK ONE PPU 1740 Series Equipment Manual page 79

The following diagrams indicate the different data transfer types:
● Differential signal transfer:
Note
Differential signal transfer is the preferred technique, as it is insensitive to electromagnetic
disturbances.
● Asymmetrical signal transfer:
PPU 1740
Equipment Manual, 01/2019, A5E47615272B AA
Interface description
7.6 Handwheel
79