Specifications

Configuring ODBC Data Exchange Reports
PlantScape Server and Client Configuration Guide 427
History Reference Type Report
Format
"@ HISTORYREF POINTNAME pointname TYPE histype DATE data TIME
time OFFSET offset [ITEMS numitems ] [PARAMETER paramname ] @"
Description
This reference type is used to access point history data on the PlantScape server.
You cannot use this reference type to upload history values. Individual history
parameters can be uploaded using the Pointref reference type.
pointname
Point ID (tag name)
type
Source of data. The names of possible history types are:
date
Date of history to access given as DD-MMM-YY format
time
Time of history to access given in HH:MM:SS format
offset
The offset within the history file. Use an offset of 1 to specify the most
recent history data.
numitems
Optional number of history items to read
History Type Description
H1M 1 min history
H6M 6 min history
H1H 1 hour history
H8H 8 hour history
H24H 24 hour history
H5SF 5 sec fast history
H1HE 1 hour extended history
H8HE 8 hour extended history
H24HE 24 hour extended history
plscpcg.book Page 427 Monday, May 28, 2001 10:11 AM