PiLims – Operator Data Entry OPC Interface

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PiLims

Operator Data Entry OPC Interface

What is PiLims?
PiLims is an OPC client software product that allows an operator, technician or engineer to enter data on a Windows Server-based computer and then pass the data into a DCS or PLC. In a manufacturing process or a chemical plant, there are many needs where data entered by a human being must be downloaded into the DCS. In many cases, data entry directly into the DCS or PLC is not possible or may be prohibited by control room or laboratory policies because of security reasons. Entering the data into a Windows server computer is safer and may be also recommended especially when there are some other specific needs such as printing of labels, custom data validation and other special needs. Following is a simple illustration of PiLims:

Example of the use of PiLims
Data from a laboratory may need to be entered in a special custom computer screen from which it needs to be transferred into a DCS or PLC. PiLims is the software product for this need. PiLims can be created with a custom user interface specifying the names of the laboratory samples and tagnames. After each laboratory value is available, both the time stamp and the laboratory sample value can be entered into the computer screen. After validation and release by the user, the data is then written out into the DCS or PLC.

Configuration of PiLims
Configuration of PiLims is remarkably simple. The user configures an ASCII file to specify the lab tags and details such as tag description and names. Or alternately, data may be written to an Excel file that is updated periodically by another application written in any language – VB, C++ or even Access. Such an external application can update the Excel file which is the input file to PiLims. PiLims then sends the data into the DCS.
PiLims provides a quick and easy method to configure as many as 2000 tags conveniently.

PiLims Screen Shots
A few sample screen shots illustrating PiLims configuration process and overall details are shown below:

Testing with an OPC Simulation server
PiLims provides the capability to test easily with any standard OPC simulation server. This capability is useful for testing and also for training purposes.

Technical Help and Support
For technical help and additional details on PiLims, please contact PiControl Solutions Company via email at info@picontrolsolutions.com.