we use this code to link directly to an pdf file, that can be uploaded with an article.
I do not know if you try to this, or if your binary file is some kind of static. Maybe the code helps.
{* Fetch everything that is under node #296 (children, grand-children, etc.) *}
{let nodes=fetch( 'content', 'tree', hash( 'parent_node_id', 296 ) ) }
{* Loop through the nodes and display their names. *}
{section loop=$nodes}
<br />
{$:item.data_map.titel.data_text}
<br />
{$:item.data_map.beschreibung.data_text}
<br />
<a href={concat("content/download/",
$:item.object.id,
"/",
$:item.object.data_map.file.id,
"/file/",
$:item.object.data_map.file.content.original_filename)|ezurl}>
{$:item.object.name|wash}</a>
<br />
{/section}
{/let}