From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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Cuando conecto una salida digital de mi USB-6008 a un dispositivo externo o carga, el nivel de voltaje disminuye a algo menor que el valor "Alto" TTL. ¿Por qué es esto?
Esto probablemente se debe a que la conexión externa está drenando demasiada corriente de la salida digital de la USB-6008. Esta tarjeta solo soporta el modo de salida Open-Drain y usted solo puede obtener 0.6 mA de la tarjeta.
Para evitar este problema, se debe agregar una resistencia externa de pull-up. Esta configuración permitirá al dispositivo otorgar hasta 8.5 mA.
NI-DAQmx for USB Devices Getting Started Guide
KnowledgeBase 3EP8P8PH: How Can I Pull Up/Down Individual Digital IO (DIO) Lines?
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