Hit Crossing driven by a signal of type 'single'

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geieraffe
geieraffe 2014-9-16
回答： geieraffe 2014-9-17
Hey community, I'm frustrated by now. I can't use the given Simulink block for a Relay because I have to change the switch on/off boarders (so they have to be inputs).
So I constructed my own "relay block" with a Hit Crossing block in it. But I can't build this, because of the Hit Crossing block can only be driven by double signals. But for some reasons I'm only allowed to use integers, singles and booleans.
Anybody knows an alternative way?

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geieraffe
geieraffe 2014-9-17
Ok, for all who are/were interested, here is my solution:
I constructed my own hit crossing block.
Change the "less or equal"/"greater or equal" blocks for rising/falling hit crossing.

更多回答（1 个）

Anthony Poulin
Anthony Poulin 2014-9-16
Hey, indeed this block only accepts the type "double" for input. Is it an acceptable way for you to use the block "Data Type Convertion" just before the "hit crossing" block?
With this block whatever the type of the input it will be converted in double through the "Data Type Conversion" block and then goes to the "Hit crossing" block.
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geieraffe
geieraffe 2014-9-17
That's the same answer I got from the support, too. Unfortunately I'm not allowed to use any calculations with doubles. So the "Data Type Conversion" block combined with the "Hit Crossing" block is no solution - for my problem.
I think I'll have to construct my own hit crossing.

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