9.10
Project tree
Structure of the project tree
In the project tree, STEP 7 creates the project tree for the CPUs. The project tree has a tree
structure and contains all elements and editors of the project.
Table 9- 2
Structure of the project tree
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
Below the H system, you will find the device configuration
and diagnostic options that apply to the system as a whole.
The CPU displayed in the upper section of the project tree
has the redundancy ID "1". The properties of the CPU are
displayed below it.
This section also contains other properties of the redundant
system, the user program and other system-related project
items.
With the HF-CPUs, the Safety Administration Editor is locat-
ed in the top CPU.
The IO devices assigned to the CPU are listed under "Dis-
tributed I/O".
The CPU in the lower section of the project tree has the
redundancy ID "2". The properties of the CPU are displayed
below it.
The IO devices assigned to the CPU are listed under "Dis-
tributed I/O".
All distributed I/O devices used are listed under "Ungrouped
devices".
Configuration
9.10 Project tree
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