Passing Data to SubVIs: W/O clusters?

[OPCer]

Dear all,

I have 40ish measurement (real) values  and 30ish boolean values continuosly coming from a measurement. I need to pass them to various subVIs for processing the data. I intend to bundle this data in order to not have 70 wires an SubVI-Terminals.

What am I recommended to do?

I like the bundle/unbundle function for clusters, but any change in cluster shape during development brings a huge effort to fix all folowing VIs. This is not practical.

I could pack all data of the same type in big arrays, but i would have to manually "unbundle" them via "index array" (no? is there another way?)

What is a practical solution to this?

Thank you!

[GerdW · Accepted solution]

Hi OPCer,

use a cluster with two arrays. One array holds "real" (aka float or DBL) values and the other holds the boolean values…

I like the bundle/unbundle function for clusters, but any change in cluster shape during development brings a huge effort to fix all folowing VIs. This is not practical.

Well, when using clusters you should always think of type definitions! There's a reason we have those…

I could pack all data of the same type in big arrays, but i would have to manually "unbundle" them via "index array" (no? is there another way?)

There are key-value datatable implementations available. You may have a look at them…

And yes: there's no other way then using IndexArray to get elements from an array (apart from using autoindexing in loops).

[crossrulz]

You could use Variant Attributes to hold all of your values.  They use a string as the lookup and then you just supply what the data type of that attribute should be.  It is a very powerful mechanism.

Though, I am wondering if you should be breaking up your code better.  That many IO typically means multiple systems or subsystems.  You should break up your data to mimic those.