ci853 modbus communication, mbread status -5 or -30
the rtu node1 and node2 in one link, the node1 send message use input coil, the node2 send message use input register in word format, i set the start address as "%ix#1" and define bool data type for teleindication , and set start address as "%iw#01" for telemetering, but the mbread fb return the status code -30, what's the meaning of the status code? what should i do ? and what's the meaning of status code -5?
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