As shown in Figure 18, the ProvisioningNwExt contains these other frozen child components:
Backup Schedule — A standard TriggerSchedule with its trigger output pre-linked to the ProvisioningNwExt’s “Start Backup” action, which when invoked performs a backup of all stations. This is just a convenience you can use to set a regular schedule for a backup of all stations at the same time. Simply double-click it for its Trigger Scheduler view.
Use of this Backup Schedule is not advisable on a larger enterprise system, where the Supervisor has many subordinate JACE
stations. Instead, it is recommended that you use “job prototype” components (NiagaraNetworkJobPrototype) copied from the
provisioningNiagara palette. For more details, see job prototype.
Software — Software Container that summarizes software versions available on the Supervisor to be installed into stations. For more details, see Supervisor Software container and Supervisor Software Manager.
Licenses — Provides views into licenses installed in NiagaraStations under the NiagaraNetwork, as well as the Supervisor’s “license database.” For more details, see Licenses slot.
Poll Scheduler — The Station Poll Scheduler controls the polling of the StationProxy extensions by the ProvisioningNwExt. This poll scheduler operates as in most driver networks. See “About poll components” in the Drivers Guide for general information. Polling only happens for station proxy objects that are subscribed (linked somewhere, or being viewed or charted, etc.).
Often, you can leave poll configuration at defaults. Alternatively, assign the Poll Frequency property in the StationProxy extensions (NiagaraStation provisioning extensions) differently than the default “Normal.”
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