Bibliography

[1]   Davide Nardella. Snap7 - Step7 Ethernet Communication Suite. http://snap7.sourceforge.net, 2015.

[2]   REX Controls s.r.o.. Getting started with REX on Raspberry Pi, 2013.

[3]   REX Controls s.r.o.. Function blocks of the REX Control System – reference manual, 2016.