Ethernet Remote IO for MODICON Quantum was first available with the release of Unity Pro V6.0 in 2011.

Unity Pro V8.0 introduces the MODICON M580 which also includes Ethernet Remote IO.  MODICON X80 IO is supported by both M580 and Quantum.

MODICON Ethernet Remote IO Networks are different than MODICON Ethernet Distributed IO Networks and these differences must be understood and taken into consideration when designing systems.  It is recommended that system designers: