GRP-530M / GRP-540M User Manual
Version 1.2.0
Page
:
67
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(9) Three devices we set as below:
(10)
Please choose “Modbus Test” function, and press “Test” button to test our settings.
If the result is successful, the screenshot will be as below, and please follow next step.
If result is fail, the screenshot will be as below. Please check your settings or the wire
connection.