Signal Identifier:
Device Identifier The unique identifier for the device. It is represented in the form of a bar code. The identifier consists of the concatenation of the following fields: System ID, Subsystem ID, Device Qualifier, Device Type and Device Instance.
Epics Record Type: A text field used to categories different EPICS records.
Description: Often used in validation tables accompanying an abbreviated identifer.
Machine Protection Indicator: Default is "N"
External Source: The originating tool from which the signal was created in cases where the signal was imported from an external source.
Multimode Indicator: Default is "N"
Signal Name: This field is parsed from the signal identifier and verified against the DVC Type Sgnl table.
Signal Identifier Alias: This field is used to the "to-be" signal identifier. Currently non-standard signal identifiers are stored in the signal identifier field. The alias field is used to store the signal identifier that will later become the actual identifier for the signal.
Bulk Indicator: A signal that provides field set for multiple devices. Default is "N."
Archive Indicator: Indicates that this signal is to be included in the channel archiver, archived at the interval specified in the arch_freq attribute if the arch_type is Periodic.
Archive Frequency: The interval in seconds or fractions of seconds at which the channel archiver will save the process variable value when in periodic mode. (e.g. .5)
Archiver Type: Indicates whether the signal should be archived as Periodic or Monitor.
Cabling Complete Indicator: Indicates that the cable on which the signal traverses has been pulled and signed off.
Alarm Indicator: Indicates that the signal can be alarmed.
Active Indicator: Indicates that the signal is currently in use in the control system.
Modified by Userid: The database userid of the person who inserted or update a record in the table.
Modify Date: The date the record was created or modified.