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AutoConnect

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AutoConnect

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Automatically connects MISO, MIMO, and Sink blocks when block is dropped over a line in Simulink.

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Description

Unlike SISO block in Simulink, blocks that have multiple inports and/or outports, or no outport, do not autoconnect if dragged over a signal line in a model. Placing a call to this function in the CopyFcn and MoveFcn callbacks of any block will cause the block to automatically connect when the block is dropped over a line in a Simulink model. This is similar to the built-in behavior of SISO blocks (i.e. gain, unit delay, etc) in Simulink.

This also allows you to autoconnect MIMO blocks onto multiple independent signal lines. For example, 3 inports are connected to 3 outports. A subsystem with 3 inputs and 3 outputs can be dropped onto the connected ports and pending the co-linearity of all the subsystem inputs/outputs and the signal lines, all of the ports will automatically connect.

This can be made the default behavior for these blocks by creating a custom library containing the desired blocks and adding the call to this function in the CopyFcn callback of the library blocks.

NOTE: Do not add this to SISO blocks. The built-in features for those blocks are more robust than this.

Acknowledgements

Sink Auto Connect inspired this file.

Required Products Simulink
MATLAB release MATLAB 7.11 (R2010b)
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