BenchMark OPC Items

Standard Items

Protocol Items

Item	Data Type	Description
FullScan	I2	Perform full scan to the device, such item will cause device to report back all data points. Data points that are advised in OPC client will be updated with returned values.
RecordType:IPN(:L)(:Field)(:FieldDataStartIndex) (:FieldDataType)	I1, I2, I4, R4. String	Perform specific item request based on requested “RecordType” and “IPN” such as 6:12. Adding “:L” to allow low command to be used, by default the request will be using high command. Below extension is used to read and write field data in the device. Adding “:Field” to specify field number that the data of will be read from point “RecordType” and “IPN”. Adding “:FieldDataStartIndex” to specify the field data index that the data will be read from point “RecordType” and “IPN” and “Field”. Adding “:FieldDataType” to specify the data type. “:b” or “:B” for I1 (1 byte); “:i” or “:I” for I2 (2 bytes); “:l” or “L” for I4 (4 bytes); “:s” or “:S” for String (16 bytes); “:r” or “:R” for R4 (floating point); Note, only following formats combinations are allowed RecordType:IPN:L RecordType:IPN:H RecordType:IPN RecordType:IPN:L:Field:FieldDataStartIndex:FieldDataType RecordType:IPN:H:Field:FieldDataStartIndex:FieldDataType
RetrieveHistory	String	Item is used to allow user to retrieve specific time stamp history by poking to such item. String format of poked data should be yyyy/mm/dd:hh for year/month/day:hour where year is 4 digits, month is 2 digits, day is 2 digits and hour is 2 digits. Both start time and end time will be the same for this history request.

Extended Items

Item	Data Type	Description
AutoUploadAudit	String
AutoUploadEvent	String
Last15MinutesRecord/1	Date
LastHourlyRecord/1	Date
LastRtuConfigRead	Date
LastRtuConfigWrite	Date
Move15Minutes/1	I2
MoveHourly/1	I2
Reset15Minutes/1	Bool
ResetHourly/1	Bool