#Wireshark monitor serial port software#
When built-in troubleshooting tools in protocol gateways are unavailable, two issues make life very difficult for engineers: installing third-party software to capture Ethernet packets and capturing serial data. Without these tools, troubleshooting communication issues can be painstakingly tedious. Unlike hardware issues, communication issues cannot be assessed by the naked eye-diagnostics tools are required. If the networking hardware has no issues, then it is very likely a protocol communication problem. When an issue occurs in a network, checking the devices should be done first, and can be done by inspecting the LED indicators, cable connections, pin assignments, and so on. Hence, the importance of gateways in data collection is beyond question.
Protocol gateways, in their capacity as protocol converters, communicate with SCADA or HMI systems through Ethernet on one side on the other side, they connect to field devices and communicate with fieldbus protocols through serial interfaces such as RS-232/422/485. These management systems connect to network infrastructure via a large number of switches. Nowadays, most management systems, such as supervisory control and data acquisition (SCADA) systems and Human Machine Interfaces (HMI), collect data through industrial protocols like Modbus TCP, PROFINET, and EtherNet/IP. Understanding the topology of a standard network is essential to having a solid grasp of the mechanisms of the troubleshooting process. It is especially when a network breaks down and a quick solution evades them that engineers find themselves at the end of their rope. As a result, engineers often spend a lot of time and effort on the configuration and maintenance of devices.
The crux of the problem is that engineers are not familiar with the multitude of protocols commonly dealt with in a variety of applications. However, troubleshooting these protocol gateways is often a dreaded task for an engineer. In the age of the Industrial Internet of Things (IIoT), protocol gateways have come to play an important role in converting protocols between management systems and field devices when data is being collected.
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