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Regarding persistance of output signals, are updates necessary?

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When a task generates an output signal on a channel, does it stay there indefinitely? Suppose I destroy the task and create a new task to output a signal on another channel, is the first signal maintained? My testing indicates that both signals are maintained, can I depend on it?

 

For example, suppose task1 generates a 5V signal on ao0. Task1 is then destroyed. New task2 generates 6V signal on ao1. Do both signals remain permanently?

 

(hardware: USB-6221)


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