PI-Manual Logger is a PC based PI client application used to manually log data into the PI system that are not collected automatically from instruments and control systems.
OSI Software, Inc.nter Manual Data into the PI System
PI-Manual Logger is a PC based PI client application used to manually log data into the PI system that are not collected automatically from instruments and control systems. Manual Logger, in conjunction with PI, provides an easy and reliable method for manual entry, retrieval, and authentication of valuable data from log sheets in the lab or other parts of the plant. The data may be input using a hand-held terminal (HHT), via PI-ML's standard data entry screens, or via custom designed data entry screens.
Customized forms speed data entry
Custom designed forms can be created within Visual Basic or C++ to tailor the look and functionality of the data entry screen for a specific task. This gives the user an intuitive interface when entering data to the PI archive. Custom designed forms benefit from all the standard PI-ML features such as data validation and security.
HHT Software Features:
- String Tags up to 80 characters long can be entered directly to HHT
- Tag groups can be created that allow the user to take different groups of data in any order during the Tour
- Up to 7 previous values can be stored for each Tag in a Tour for delta limit checking
- Last Archive Value (LAV) can be displayed on the Data Entry screen
- The order in which the data is entered on the Tour is recorded
- Tours up to 999 Tags can be downloaded to the HHT
How It Is Used: Manual Data Input Using a PC
A PC can be used as a data entry terminal for data collection from lab and plant log sheets. All data entered into PI-ML can be reviewed and approved by a supervisor before committing the data to the PI archive. Users may also input data from a properly formatted text file. This facilitates data conversion from other programs (such as databases or statistical packages) into native PI format. PI-ML also features an interface for data transfer from certain laboratory systems. Once transferred into PI-ML, the data can be validated and then sent to the PI database after verification.
Routine use of PI-ML and HHTs
PI-ML supports data entry via a hand held terminal (HHT). Each HHT can support several Tours. Usually a Tour represents a group of Tags that are read within one process area.. Values for Tags in a Tour can then be collected using the HHT. The data are time-stamped using the HHT clock. After completing data collection for a Tour, operators download the data from the HHT to a PC and PI-ML uploads the values into PI.
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