Details
Expansion card adds 12 digital outputs and 4 digital inputs. Each BCS-460 or BCS-462 can support up to 4 Digi16 expansion cards. These cards do not add temperature inputs, they expand digital I/O (on/off).
For more information, check out the wiki page for the Digi16: http://www.embeddedcontrolconcepts.com/wiki/index.php?title=Digi16

