CDA ci860 Specifications Page 504

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Examples of Object Types
504 3BDS011222-510 B
Process Object Type with Signals
In the following example you add an composite object type to the library
ProcObjSigExtLib created in Building Versioned Object Type Libraries on page
485. It shall contain a process object type with the needed engineering I/O signal
objects (from the CBM_Signals object type group provided with the AC 800MC
Signal Extension system extension) to support
I/O Signal Engineering
and I/O Allocation from the Functional Structure to the Control Structure
and creation of a complete Function Diagram of the instance in a process
function object on the level above the instance.
In our example case the I/O Signal objects correspond to Global Variables on
Application level which will be connected to Parameters of the Control Module
Type named EW_MotorUniM_IOGAppl_Var.
Steps to build the composite object type:
1. Build the Control Module Type or Function Block Type in CBM beneath the
ProcObjSigExtLib.
2. Add the needed graphical aspects to the object in the Object Type Structure.
3. Extend the object type in the Object Type Structure with formal instances of
Signal objects in the Functional Structure as shown in Figure 310.
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