Alpha Stores

July 2013

In order to utilize the legacy XML Control Alpha2 Driver within the Desktop.DASH framework, it was necessary to devise a convention to access more that the default 8 DI, 8 AI, 6 DO, etc of a base Alpha AL2-14 unit, and also provide a means to fetch the extra DataPoints of the big brother AL2-24 device too. So, here is the mechanism...

Extended Alpha Stores

Explanation

Below is a table detailing the selection and use of the Alpha2 Driver device ranges:-

*When no ASI interface is present you can actually read and write to the ASI bits in the Alpha2 device - which is a very convenient way to send binary command signals into your device program.

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