![]() The Digital Outputs are configured just like the Digital Inputs. Once tags are configured, each tag can be renamed individually in the tag list found within each register configuration. To expose all of the inputs, the register is configured to Start Address 0 and the Number of Tags is 12. In this case, the ADAM-6051 Digital Input register address starts at 0 and has 12 inputs available. ![]() To configure the Modbus register items on to the OPC UA server, each register should be configured with a Start Address and the Number of Tags to expose. To configure the channels, expand the device configuration by clicking the arrow next to the device in the device list and select the Modbus register type to configure. The ADAM-6051 has 12 digital input channels and 2 digital output channels. The supported types are Modbus TCP and Modbus RTU over TCP. The Communication Type should be set to the protocol that the modbus device uses, which in this case is Modbus TCP. The Port defaults to the standard Modbus port 502, but it’s configurable if needed. ![]() Next the Name and IP Address of the device should be set. To add an existing modbus device to the server, navigate to the Modbus Devices tab and click the plus sign in the lower left hand corner. In this tutorial a 14-channel Advantech ADAM-6051 Modbus device is configured to the OPC UA Modbus Server. In addition, the Modbus Server is designed to be used on a variety of platforms, including Linux and even headless server setups. In this tutorial we introduce using the Modbus Server on Windows. We thought it would be good to create a short tutorial on how to configure the server. The Prosys OPC UA Modbus Server supports both Modbus TCP and Modbus RTU over TCP protocols to cater all of the existing Modbus installation needs. OPC UA offers secure, platform independent solutions for industrial internet (IIoT) data transfer and system architecture. The result is the Prosys OPC UA Modbus Server, which was released on April 14, 2016. ![]() Due to the rising demand of OPC UA connectivity for existing Modbus devices, Prosys OPC developed a cross-platform gateway to meet the demand. ![]()
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