Siemens SIMATIC S7-1500 Equipment Manual page 33

Parameter data records
B.1 Parameter assignment and structure of the parameter data records
Structure of data set 129
You can read the current states of the switching cycle counters with data set 129. The
counter status is supplied for each channel in UDINT format.
The following figure shows you the structure of data set 129.
Figure B-2
32
Structure of data set 129: Byte 0 to 63
Digital output module DQ 16x230VAC/1A ST Triac (6ES7522-5FH00-0AB0)
Equipment Manual, 12/2021, A5E34934069-AC