The NB-DA Server provided by ICP DAS is an IoT (Internet of Things) management software that has a strong core technology for handling data and lets the user save the trouble of dealing with large IO data. The NB-DA Server support RTU-540P-NB, GRP-540M-NB, etc., in ICP DAS that allow users to manage these devices remotely. It can monitor the local I/O data, local GPS data, and I/O data of Modbus devices. The NB-DA Server also support different protocol like UDP, Modbus and MQTT. Users can establish the remote system with MQTT broker or other SCADA software, even you could monitor and control the remote devices with Web form your mobile devices. That provides a multi-way to complete user's project.