Siemens SIMATIC S7-1500 Equipment Manual page 18

The following figure shows the assignment of the address space for submodules 1, 2, 3, and
4 and the value status.
Figure 4-2
Reference
You can find information on the Shared Input/Output (MSI/MSO) function in the section
Module-Internal Shared Input/Output (MSI/MSO) of the PROFINET
(https://support.industry.siemens.com/cs/ww/en/view/49948856) Function Manual.
Digital output module DQ 8x230VAC/2A ST Triac (6ES7522-5FF00-0AB0)
Equipment Manual, 12/2021, A5E03485733-AE
Address space for configuration as 1 x 8-channel DQ 8x230VAC/2A ST S MSO with value
status
Parameters/address space
4.3 Address space
17