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AS-P Modbus TCP Server do not provide data for HMI-STU Mobus Client
AS-P in version 1.9.4 can not respond for request which contain group of consecutive registers.
Exception Response FC03 - Illegal Data Address (Read Holding Register) - 00 00 00 00 00 06 FF 03 03 84 00 06 - 00 00 00 00 00 03 FF 83 02
(In this case client ask for 6 registers starting with register number 900)

Possible overwork:
1. Set HMI STU communication optimization mode to : Prefered Frame lenght = Minimum possible. Vijeo Designer, Equipment configuration.
2. Upgrade AS-P to version 2.0.3.45 (solution tested in ModScan32 tool)

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Attachment(s)
SBO Modbus Decoder.csv [150.79 KB]
Minimum possibe frame lenght.PNG.png [21.99 KB]
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