In this article, we will use IQ-R’s RJ71PB91V module to set up Profibus Master and connect it to Siemens’ CPU 315-2 DP. Let’s get started! Reference Link RJ71PB91V? The RJ71PB91V used in this article can operate as a Profibus Class 1 Master station, with a communication speed of It can support communication speeds from 9.6 kbps to 12 Mbps. It can also build a Profibus network with up to 32 … Continue reading Mitsubishi#Let’s Use RJ71PB91V to Conenct with Siemens CPU via Profibus!