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Qinsong

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About Qinsong

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  1. Hi, I'm trying to get trend from SD card to display on a V700. I cannot get any trend to display. I have checked that the trend does exist in the SD card via SD explorer and shows correctly in SD manager. I have stopped the writing of the trend when I loaded the HMI page with Trend from SD variable. The trend load error bit of the Trend SD variable is showing 0. The only anomaly that I can find is SB119 is constantly showing 1. I cannot find any literature about why SB119 is always on. Please help. Regards, Qinsong
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