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Combine signals in Simulink

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Jurica Martinko
Jurica Martinko on 22 Dec 2020
Answered: Rhea Chandy on 4 Jan 2021
How can I combine a signal from conditional subsystem with a normal signal? I want to combine a power signal from a source with two signals from conditional subsystem that are connected with this input signal. When I use Merge block it says that it cannot be connected, because Merge block can use only signals from conditional subsystems. Is there another way to combine these two signals into one without using Merge block.
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Jurica Martinko
Jurica Martinko on 22 Dec 2020
I need to combine this two merged signals from conditional subsystem with a normal signal in one signal.

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Answers (1)

Rhea Chandy
Rhea Chandy on 4 Jan 2021
Hello Jurica,
As you say in your post, only conditionally executed subsystems can be used to drive Merge blocks. The guidelines and limitations of merge blocks are in the following documentation, and you an refer to this for further information on how to use them effectively: Merge Blocks
You may use an array of buses as an input signal to a Merge block,(with certain limitations) to combine inputs into a single output. Further, you can also try using a Mux block, which combines inputs with the same data type and complexity into a vector output, although this doesn't give the same output as the Merge block. You can refer to this information on combining signals: Composite Signals.

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