FANUC A20B-8101-0050 ProfiBus Communication Board

Fanuc Part # A20B-8101-0050 is a ProfiBus communication board for use in R30IA controller. PROFIBUS is a standard for fieldbus communication in automation technology and was first promoted in 1989 by BMBF and then used by Siemens. It should not be confused with the PROFINET standard for Industrial Ethernet. PROFIBUS is openly published as part of IEC 61158