Bonjour, lors de la configuration de mon airport extreme, "une erreur inattendue s'est produite" pourriez-vous me dire d'où peut provenir cette erreur

bonjour, lors de la configuration de mon airport extreme, "une erreur inattendue s'est produite" pourriez-vous me dire d'où peut provenir cette erreur

Bonjour,
Merci pour votre réponse, je n'avais pas trouvé le premier lien sur le site de NI qui me semble correspondre à mon problème.
>> Why do I receive Error -200245 with my X Series Card?
Nous n'utilisons pas d'horloge externe donc j'aurais tendance à croire que l'erreur vient de cette remarque : Signal generation: The reference clock signal should be active before calling starting any DAQmx task that will attempt to use the reference clock.  Ensure that your reference clock source is generating the clock prior to DAQmx Start Task being called.
Si je comprends bien,  il semblerait que ce soit du à une erreur de synchronisation de l'horloge PLL. C'est à dire que quand on lance l'acqui, il y a une horloge qui est créée pour synchroniser les cartes d'acqui, et pour cela, elle utilise l'horloge du fond de panier du châssis PXI. (on n'utilise pas d'horloge externe). Cette horloge référence est créée à chaque fois qu'on lance la génération et est libérée à chaque arrêt. Il semblerait qu'on lance la tache avant que l'horloge soit prête.
Il est possible que ce soit dû au fait que l'on va trop rapidement entre arrêter une séquence et lancer la suivante.
Je vais voir si il y a des astuces de prog pour interdire le lancement du DAQmx Start Task tant que le PLL n'est pas prêt, peut etre avez vous des infos à ce niveau? Validez vous mes hypothèses précédentes?
Merci beaucoup pour votre aide.

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