Addi-Data CPCIs-1711 Function Description - Page 12

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Function description

Digital I/O

1.6 Connection example

Programming (Function module 1): A = output, B = input

Fig. 1-4: Digital I/O connection example

1.7 Procedure for using the "Digital I/O" function

In order to use the "Digital I/O" function, the following steps need to be performed:

1. Select the function module(s).

2. Select the channels.

3. Connect the signals.

4. Initialise the A and B channels as inputs or outputs.

5. Control the outputs.

6. Read the inputs.