Electrical port terminator that draws no current
Simscape / Foundation Library / Electrical / Electrical Elements
Simscape / Electrical / Connectors & References
The Open Circuit block represents an electrical terminal that draws no current.
You can use this block to terminate electrical ports on other blocks that you want to leave open circuit. This is not necessary because if you leave a conserving port unconnected, the physical network sets all the Through variables at that port to 0. However, terminator blocks improve diagram readability.
You can also use this block to set the initial absolute voltage at a node.
To set the priority and initial target values for the block variables prior to simulation, use the Initial Targets section in the block dialog box or Property Inspector. For more information, see Set Priority and Initial Target for Block Variables.
V — Zero current
Electrical conserving port that draws no current.
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Version HistoryIntroduced in R2012b
R2019b: Capping unconnected ports is no longer required
Behavior changed in R2019b
This block is no longer required. Starting in R2019b, the restriction that disallowed unconnected conserving ports in Simscape™ models has been lifted. Now, if you leave a conserving port unconnected, the physical network sets all the Through variables at this port to 0. However, you can still use terminator blocks to improve diagram readability.
There are no plans to remove the terminator blocks. All existing models that use these blocks work the same as in previous releases.