ICP DAS USA PDS-220F Series User Manual page 69

Programmable Serial-to-Fiber Device Server
3. Refer to "Protocol Description" and type Modbus command in the "command" field.
Note: The Modbus command settings depends on your Modbus device.
Click the "Send Command" button.
4.
5. If the response data is correct, it means the test is success.
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PDS-220Fx Series User Manual
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Figure 6-1-7
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