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then set the value of the first byte from 0 to 1 to trigger the data output
command.
--Send Command to read DI of the GW-7552-B again
Now the user can input command ("01 02 00 00 00 10") in MBRTU and click
<Send Command> button to send Modbus command: "01 02 00 00 00 10 79
C6" again. Then MBRTU can receive response message ("01 02 02 FE DC
F8 41"). In this message, the user can know the value of DI0 & DI1 have
changed to "0xFE" & "0xDC" in the GW-7552-B, as shown in figure 47, 48,
49 & table 16.
Figure 47 Send Modbus command to read DI of the GW-7552-B
GW-7552-B / GW-7552-M PROFIBUS/MODBUS GATEWAY User Manual (Version 1.60, May/2017) PAGE: 50
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