<4. Control Application Creation>
4.1.6 Application Size
The upper limit for the size of an application is described in Section 2.2.2, “Checking
FCN-500, FCN-RTU Control Application Size."
In addition to application size, the system imposes limits on the number of
resources, the number of logical POUs, etc. While these limits are described in
Logic Designer’s online help documentation, we elaborate on some of the more
important limits here.
1. Maximum number of resources in the project tree: 100
2. Maximum number of program instances in the resources: 1000
This is the maximum number of logical POUs that can be created as an instance
in one resource (FCN-500 or FCN-RTU).
3. Maximum number of tasks in the resources: 16
This is the maximum number of tasks that can be defined for one resource
(FCN-500 or FCN-RTU).
4. Maximum number of program instances in the tasks: 500
5. Maximum number of global variables: 15000
6. Maximum number of local variables in the logical POUs: 15000
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