SOONHAN’s Remote Motion Blocks (RMB's) are designed to connect stepper motor drive or position mode AC-servo drive into a SynqNet system. Each RMB can support up to two axes of drives including encoder feedback, transceivers, dedicated I/O and generous user I/O. See specifications for details.

Datasheet:
IO2K-SQA2 Manual  

For more information:
www.soonhan.co.kr