Siemens SIMATIC S7-1500 Manual page 16

Address space
4.1 Address space
Address space for configuration as 4 x 8-channel DI 16x24VDC/DQ 16x24VDC/0.5A BA S
For the configuration as a 4 x 8-channel module, the channels of the module are divided into
multiple submodules. The submodules can be assigned to different IO controllers when the
module is used in a Shared Device.
The number of usable submodules depends on the interface module used. Please observe
the information in the manual for the particular interface module.
Unlike the 1 x 32-channel module configuration, each of the four submodules has a freely
assignable start address.
Figure 4-2
16
Address space for configuration as 4 x 8-channel DI 16x24VDC/DQ 16x24VDC/0.5A BA
S
Digital input/output module DI 16x24VDC/DQ 16x24VDC/0.5A BA (6ES7523-1BL00-0AA0)
Manual, 09/2014, A5E32364588-AB