1, the OPC UA can support many manufacturers of equipment? (such as Siemens (PLC), mitsubishi, panasonic, omron, etc.)
2, the OPC UA connection isn't need what certificate, how to get? The following figure is a problem, how to solve? (this is my download on the net of a demo operation based on c #, divided into Client and Server)
CodePudding user response:
Actually no one understand OPC UA, sadCodePudding user response:
OPC UA a specification agreement, as long as OPC UA SERVER support is universal, the format of the difference between variables (tags), certificate of things if not remote access on the SERVER is set to not need certificate, the certificate is for the sake of safety, but too much trouble, so LAN is generally set to don't need the certificate,