driver-ConfigRule
This component of the NiagaraNetwork selects the histories to export from one or more remote stations and determines what happens in the receiving station.
Figure 35. Config Rule properties
To view these properties in a receiving station, expand right–cllick the NiagaraNetwork, click , expand History Policies and click Default Rule.
| Property | Value | Description |
|---|---|---|
| Device Pattern | text (defaults to wildcard (*) which exports from all stations) | Identifies the names of station(s) with histories to export. |
| History Pattern Name | text (defaults to wildcard (*) which exports all histories) | Identifies the names of histories to export.
NOTE: Both
Device Pattern and History Name Pattern must apply for the rule to be used—otherwise, the receiving station evaluates the history in question against the next rule
down (in order) under History Policies.
|
| capacity | drop-down list | Specifies the number of trend log records (histories) to store in the histories database. When capacity is reached, newer records overwrite the oldest records. |
| fullPolicy | drop-down list | Specifies what happens when a trend log (history) reaches capacity.
Applies only if
Full policy has no effect if |