Executive Slave Sample Application.

Introduction:

With this sample application 'VMC', the PC is Executive Slave and is implemented as vending machine controller (VMC). A Change Giver is connected to the USB port of the PC via the USB to MDB interface. For this sample application a Change Giver of MEI type Cash Flow CF-690 was used as reference. The MDBEngine function calls 'Executive...' are used to implement this sample application. The project was developed with Borland Delphi 2.0.

Requirements:

• USB to MDB interface. (Part # BD-4000)
• USB connection cable type A/B. (Part # BD-4001)
• Executive Slave interface cable. (Part #BD-4102) (Schematics in PDF)
• The MDBEngine DLL.

Operating instructions:

Vend cycle: Start the VMC application. Check the LED's for correct data communication. Drop some coins into the Change Giver to have credit for a vend. Click one of the Selection to start a vend. Click Vend Success or Vend Failure to finish the current vend.      Note: The prices are fixed with 50, 100, 200 and 500 cents.

Sample project download:

Download the complete Delphi Project and Source Code (181 kBytes)

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