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I have up to 16 V130 and one V570 PLCs on a UniCan network.

The V130s are placed around a plant and 10 sensors (temperature, oxygen, pH) are connected to each PLC.

The V570 acts as a main unit where all the values from the V130 are shown.

A SCADA system is connected to the V570.

Is it possible to log all the 160 values on to a SD card in the V570 and show them on a trend (one trend for each value)?

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Hi Emil,

Log all the data in SD card - no any problem - standar operation. There are few ways to do so, including direct in CSV format (compatible with Ecxel and Open Office).

V570 supports 8 trends x 8 curves each. Without and "tricks" you can view online and save to SD card up to 64 values per controller.

With some tricks, probably you can veiw all the values in graphical way (still up to 8 per display), but you cannot log direct the trends to SD this way.

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