Product Features
DeviceHub
Tags
4 min
tags are the single units of data collection from a device once you connect a device to belden horizon data operations , you add tags to that device tags map to the device's registers from which you want devicehub to collect data every device has memory registers that store sensor and system values these registers can be analog and digital, input and output register information is accessed as tags and these tags are published as topics to the internal message broker raw topics and alias topics when you docid\ avts r7rjidm9g7lsawjm , you have the option of generating raw topics or alias topics alias topics consist of devicename and tagname instead of deviceid and tagid topics can be used for publishing and subscribing with an internal message broker raw or processed data can be analyzed at the edge using docid\ thwaae9fa23y3jt 1zovp or flows in docid\ ofgzt1vvy ryxjmhk0rsm you can publish data to belden horizon data manager through raw topics you can add tags as follows add a tag adds a single tag for the selected device upload a csv file uploads a list of tags from a csv file browse tags search for pre defined device tags and select the ones to add see docid\ gd iyk5cr2 j9vpuu9tat to learn more see docid 0fh0wacc2bnlv8lxkdv7u for i nformation about topic formats important if you select enable alias topics while adding or modifying a device the topic id is replaced with a name (for example, devicehub alias plc1 floattag ) devicehub stops publishing to raw topics and publishes only to alias topics belden horizon data operations substitutes all special characters in aliases with " " (underscore) message broker allows subscribe and publish of raw/alias topics when alias topics are enabled for a device, you can't use batch write topics to use batch write topics, you must not select the enable alias topics check box in the device configuration see docid 0fh0wacc2bnlv8lxkdv7u for more information access tags ui you can access tags from the devicehub to access tags log in to belden horizon data operations from the navigation panel, navigate to devicehub > tags the tags pane appears next steps docid\ csrurtoacnmmamyn uc5o docid\ xmqvnlp37jgg6uzolqddh docid\ nrpe2viswydkgecoswzq0 docid\ dvama3m0roq5va7wqdlnu docid 0fh0wacc2bnlv8lxkdv7u docid 7s xjctjgoib6rmbyfzwi docid\ z gyrgjhl0xgugjnxliyb