Datahub SDK Documentation

Getting Started

If you are a SECS/GEM developer, choose one of the links in the leftmost frame near the top to view the reference documentation for your chosen programming language.  There are different choices for Host or Equipment libraries.  We suggest you use the reference pages combined with hands-on exploration of the example application and library source code for your selected language to get started.   Qualified prospective customers can obtain download access to the SDK software through the Evaluation Program - contact us using the website to learn more.   You can exercise, test, and demonstrate your Equipment or Host application using a Host or Equipment application counterpart.  The configurable Tcl/Tk SECS applications are installed with the SDK and available as Windows Start Menu Program Items, so this is your simplest and most direct means of exercising your SECS interface application.

If your interest is using OPC, use the OPC Supervisor link in the leftmost frame, near the top to get started.

If you are a distributed application developer, a suggested starting point is getting familiar with the Datahub used as a message system server, and as a shared data and subscription server.  Navigate to the Datahub Reference document by choosing Applications in the leftmost frame and Datahub in the middle frame.   The Datahub is a Tcl/Tk application shell extended with new commands for data management and for inter-process communication.  The underlying Tcl commands, SQL, and mbx, are available for use in any Tcl/Tk application.  The DMH message system software bridges a wide variety of hardware platforms and programming languages such as Java and .NET. Use the links in the leftmost frame under DMH Clients for the reference pages.

Tcl/Tk?  What's that?  Tcl is an open-source programming language that was designed for software integration projects.  It is powerful and productive.   To learn more about Tcl and the windowing toolkit Tk, choose the Internet link in the leftmost frame under Tcl/Tk Reference and spend some quality time browsing the links that appear in the middle frame.  The SDK documentation contains complete reference information for Tcl/Tk programming.

Recent Changes

Check the Hume website Recent Changes document to see the very latest changes.  View your installed Recent Changes document using the link near the bottom of the leftmost frame.