Tags

tags are the single units of data collection from a device after connecting a device to litmus edge, 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 connect a device docid\ pal6abpzbrimdu9lvgj30 , you have the option of generating raw topics or alias topics raw or processed data can be analyzed at the edge using analytics docid 8aloe 5 c9ubqjsw0ppcx or flows in flows manager docid\ jghnqyhxbik8x2nhh5vte you can publish data to litmus edge manager through raw topics alias topics consist of devicename and tagname instead of deviceid and tagid alias topics can be used for publishing and subscribing with an internal message broker if you select enable alias topics when 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 litmus edge 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, ensure that enable alias topics check box is not selected in device configuration see default topics and descriptions docid\ nrsa0gtya9v0zab57wlzk for more information adding tags you can add tags as follows add a single tag add a single tag for the selected device see add a tag docid\ tuy hh0gi8djvot70wroh add multiple tags upload multiple tags at once from a csv file see add multiple tags docid\ oqu79ahvndkem2q6lzlcw browse tags search for and add predefined device tags see browse and add tags from a device docid 8oruw1cmtao49bwbbhwrn see default topics and descriptions docid\ nrsa0gtya9v0zab57wlzk for information about topic formats access tags ui you can access tags from the devicehub to access tags log in to litmus edge from the navigation panel, navigate to devicehub > tags the tags pane appears next steps add a tag docid\ tuy hh0gi8djvot70wroh add multiple tags docid\ oqu79ahvndkem2q6lzlcw browse and add tags from a device docid 8oruw1cmtao49bwbbhwrn manage tags docid\ qm0urcltmysimhm2 5kmx tag formula variables docid\ io7xgyrdvv vmpnfxoaci default topics and descriptions docid\ nrsa0gtya9v0zab57wlzk devicehub guides docid\ jri2 fmsaigvuq8vscoaa devicehub troubleshooting docid 7fa2 on6ftihpuds8v3sk