Siemens SINUMERIK 840D sl Function Manual page 42

A4: Digital and analog NC I/O for SINUMERIK 840D sl
2.2 Indirect I/O access via PLC
Signal flow
Read actual value
The analog values that are actually present at the hardware inputs are sent to the PLC:
DB10 DBW194 ... 208 (actual value of the NC analog input)
The possible influence of the PLC is ignored for the "actual value".
42
Function Manual, 10/2015, 6FC5397-1BP40-5BA3
Extended Functions