Siemens SIMATIC S7-1500 Manual page 20

① Rack area
② Module area (slots)
Note
Contrary to plugging modules, the replacement of a rack cannot be started by double-clicking
on the catalog entry. The reason for this is that a double-click only works if there is slot free
and permitted available. However, only one permissible area is available for a rack, which is
always automatically occupied by the standard rack type when a device is plugged in the
network view.
With ET 200MP, a representative module is automatically created in slot 0 when replacing
into the active backplane rack. This module reflects the diagnostics and parameters of the
active backplane bus according to the characteristics of the selected rack.
Additional information
You can find more information in the STEP 7.
Active backplane bus ST 1+12 slot, active backplane bus ST 1+8 slot, active backplane bus ST 1+4 slot
Equipment Manual, 07/2020, A5E46240468-AB
5.2 Configuration of the active backplane bus in the TIA Portal
Configure
19