GRP-520 User Manual, V1.30, Aug. 2015
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(5)
Add ET-7017 in “Modbus Device” tab.
choose ET-7017 in the list, and then press “Add” button.
(6)
The web will bring out all I/O number information as below. Please modify “Device Name”,
“Device ID”, “IP” and “Port” for your ET-7017.
(Device Name: an alias name of your device, you can modify as you need.)
Press “Modify” to add a device.