The control software includes its own real-time operating system, runs
on one of the multi-core PC processors, and provides high-speed host to
controller communication over shared RAM and virtual TCP/IP. Uses one of
the standard Ethernet ports of the PC as the EtherCAT master
communication channel. Available in 2 versions: the SPiiPlusSC-HP for
complex and performance-demanding applications with up to 64 axes; and
the SPiiPlusSC-LT, an economical version that addresses the needs of 1-8
axes cost sensitive applications.