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PLC Communication Settings
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M2M Gateway PLC Communication Settings
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10.
Communication Status Check
1.
Checking Communication Status
As mentioned earlier, the information obtained in the PLC communication or other methods are set
on Modbus memory.
The obtained values can be checked with the Modbus Data View function (communication status
can be viewed).
The address for the Modbus Data View conforms to "Modbus address" set in the Device
configuration of the PLC communication settings.
Checking Modbus Memory
Go to the "Status" menu, and select the "Modbus Data View".
Select the "Input Register" and enter the address in the "Address", then click the "Get" button.
*Data are displayed in hexadecimal notation.
*The address number starts from H2000.
*The view data are updated each time the "Get" button is clicked.
[PLC]
[M2M Gateway]
PLC comm
task
Device
memory
Modbus
Task processing
Monitoring processing