5 Digital Inputs extension: Setup

Extension overview

This extension adds five custom configurable digital inputs to the Andino. The Inputs are galvanically isolated up to 5kV. All five inputs on this board have a common ground. An overview over the extension board can be seen below:

For full schematics on each of the inputs, refer to the PDF document downloadable at the top of the page.

Connections

The five digital inputs of the extension are connected to the screw terminal connectors labled A-E on the housing:

If installed in an Andino-X1, the total number of system inputs is seven, with the two additional inputs being the 24V VCC connectors. A scheme of all inputs of the system looks as follows:

Serial interface example