Special functions of the IB ST 24 DIO 8/8/3-2A-S
Inputs 1 to 3 of the IB ST 24 DIO8/8-3-2A-S module have special functions.
Input 1 acts as a release signal for the special function. If input 1 is "Low", the outputs 1 to 4 take on the signal from input 2 and the outputs 5 to 8 the signal from input 3. This procedure takes place independently of the address signals of the bus. If input 1 is reset to "High", the outputs take on the condition defined by the bus.
Application example: In plants in which it must be possible to change output signals on site with inputs (e.g., presses), this module is the right choice. In the event of a fault, an output group can be set or reset independently of the bus.
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