PROFIBUS (PROcess FIeld BUS) is an RS-485 based fieldbus network, capable of multidrop nodes. It is a widely popular fieldbus network that comes in two main styles: PROFIBUS-DP and PROFIBUS-PA. It is complimented by its Ethernet based counterpart, PROFINET.

Yaskawa is a proud member of PI North America, offering products that meet the high standards of PI to ensure Interoperability. PI is a member organization that helps with the promotion and regulation of the PROFIBUS and PROFINET protocols.