Because the Sauter bus is significantly slow, a write queue may occur after a few hours of running and the read queue will not be read at all to process write requests. If the values are not updated, it is necessary to change in soft_plc.config the parameter:
<add key="MAX_WRITE_VARIABLES" value="-1"/>
(which means a maximum of infinity of entries before reading) the value from -1 to, for example, 5. Then every 5 entries are followed by a reading and the values are updated.
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