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A Tag represents a register to poll from the End Device. The tag contains different options shown below.
Configuration
Property | Description |
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Name | This is the name the Tag will be given when it is published via MQTT |
Register | This is the register Edge ACM will poll from the End Device |
Back Fill | If enabled, all value changes, obeying deadband, for this tag are stored and published. NOTE: Currently Only works with Sparkplug B Publishing |
Deadband Type | This allows you to enable a Deadband for the Tag. There are 4 options available: None will make the current value of the tag publish on any change from previous value. Every Scan will make the current value of the tag publish on any poll, even where the value has not changed. Absolute will make the tag update only if the current value is greater or less than the previous value plus/minus the Deadband. Percentage will make the tag update only if the current value is greater or less than the previous value plus/minus the Deadband divided by 100.
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Deadband | This sets how much the current value must differ from the previous value to be published again |
Trigger Conditions | If any exist, the triggers are evaluated on value change and if met, the quality of the tag is updated and Deadband is ignored |
Trigger Conditions: Condition | This sets how the current value will be compared to the preset value. There are 5 options available: Equals will return true if the current value is equal to the preset value in the trigger. Greater Than will return true if the current value is greater than the preset value in the trigger. Less Than will return true if the current value is less than the preset value in the trigger. Greater Than or Equal to will return true if the current value is greater than or equal to the preset value in the trigger. Less Than or Equal to will return true if the current value is less than or equal to the preset value in the trigger.
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Trigger Conditions: Value | This sets the value to which the current value will be compared. |
Trigger Conditions: Quality | This sets the quality the tag will take if a trigger is met. There are 3 options available: Triggered will set the quality to 196. High will set the quality to 194. Low will set the quality to 193.
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Tag Group | The parent tag group for this tag. |