Siemens SIMATIC S7-1500 Manual page 20

Address space for configuration as 1 x 64-channel DQ 64x24VDC/0.3A BA
The figure below shows the address space assignment for configuration as a 1 x 64-channel
module. You can freely assign the start address for the module. The addresses of the
channels are derived from the start address.
"QB a" stands for module start address output byte a.
Figure 4-1
Digital output module DQ 64x24VDC/0.3A BA (6ES7522-1BP00-0AA0)
Equipment Manual, 07/2020, A5E48024569-AA
Address space for configuration as 1 x 64-channel DQ 64x24VDC/0.3A BA
Address space
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