$Server Items
Overview
The $Server object supports items that provide system-wide information.
$Server Items
Item | Data Type | Description |
|---|---|---|
ActiveItems | I4 | The total number of OPC items added and activated by clients or internal ACM operation. |
Analog1... Analog9 | R4 | Floating point items available for testing. Useful for OPC connectivity testing of reads and writes, without having to connect to a field device. |
CfgCount | I4 | The number of times a configuration has been saved to the ACM system. |
ClientCount | I2 | The number of OPC clients currently connected to ACM. |
DatabaseSize | R4 | The size of the ACM configuration database in megabytes. |
DataSize | R4 | The size of the database data file including data and indices, in megabytes. |
DataTableSize | R4 | The amount of space in the ACM configuration database used by data. |
DataUtilization | R4 | Percent of the maximum allowed data size in the database that is in use. |
DevicesLicensed | I4 | The number of devices allowed in the ACM license. |
DevicesUsed | I4 | The number of devices currently used. |
Digital1 ... Digital9 | Bool | Boolean items available for testing. Useful for OPC connectivity testing of reads and writes, without having to connect to a field device. |
EfmFilesFailed | I4 | The number of EFM files (files with history records) waiting to be imported into SQL Server that failed the import. |
EfmFilesWaiting | I4 | The number of EFM files (files with history records) waiting to be imported into SQL Server. |
InternalActiveItemCount | I4 | The number of internal active items added by OPC clients. Duplicate items are not counted. |
InternalTotalItemCount | I4 | The number of internal items added by OPC clients. Duplicate items are not counted. |
ItemCount | I4 | The number of OPC items added by OPC clients. |
LicenseStatus | Bool | License status:
|
LicenseExpiration | Date | The date and time the license will expire. |
LogSize | R4 | The size of the transaction log file, in megabytes. |
MaxDatabaseSize | R4 | Maximum size allowed for the database, in megabytes. |
MaxLogSize | R4 | Maximum size allowed for the transaction log file, in megabytes. |
OpcGroupCount | I4 | The number of OPC groups connected to ACM. |
OpcQueuedReadCount | I4 | The number of currently queued requests received by the server to perform a synchronous read from device. |
OpcTotalReadCount | I4 | The total number of requests the server received to perform a synchronous read from device. |
PurgeHistoryStatus | Bool | The result of the last attempt to delete old history records. TRUE if successful, FALSE if not successful. |
SafeMode | Bool | Whether or not ACM is running in "Safe Mode" and using the MSAccess back up database. |
ServerId | I4 | Indicates the location where ACM is running. A value of 1 means ACM is running on server “A”. A value of 2 means ACM is running on server “B”. |
ServerStartTime | Date | The date and time the server started in Local Time. |
ServerStartTimeUTC | Date | The date and time the server started in UTC. |
ServerStatus | I4 | The status of the server. This value can be:
|
ServerVersion | String | The current server version. |
Sinewave | R4 | An analog real sine wave traveling from 0.0-100.0 and back down that can be used in testing. |
String1 ... String9 | String | String items available for testing. Useful for OPC connectivity testing of reads and writes, without having to connect to a field device. |
Time1 ... Time9 | Date | Timestamp items available for testing. Useful for OPC connectivity testing of reads and writes, without having to connect to a field device. |
WatchDog | Bool | A boolean bit that is switched off and on that can be used in testing. |
For assistance, please submit a ticket via our Support Portal, email autosol.support@autosoln.com or call 281.286.6017 to speak to a support team member.