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LabVIEW Ver7.0 MAX 3.0環境FieldPoint 入力データの安定性  (The stability of 3.0 LabVIEW Ver7.0 MAX environment FieldPoint input data)

こんにちは

LabVIEW Ver7.0 MAX 3.0環境で FP-1601+FP-DI-301+FP-DO-403 など ネットワーク6台に全部で50台の入出力とアナログ入出力を接続しています。これを1ループで50msec間隔の読み書きし同じループでGlobalに読み書き処理をしています。このときに、ある信号を常時CLOSEで入れていてこの信号をFP_Readで監視していると、数時間から数日間で突然FP_ReadがOPENになります。OPENになっている時間は連続で1秒前後です。この様な経験はありませんでしょうか?

Hello,
I connect 50 input and output and AIO to 1,601+FP-DI-301+ + FP-DO-403s network 6 in all in 3.0 LabVIEW Ver7.0 MAX environment. Is one loop in this; of the 50msec interval read and write, and work to read and write in Global with the same loop. At this time, FP_Read becomes OPEN suddenly for a few days from several hours when I put a certain signal in regular CLOSE and watch this signal in FP_Read. It is around 1 second consecutively in time when it is in OPEN. Will not there be such an experience?
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