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113	113
114	114	If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
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116		-[[image:image-20220527092629-8.png]]
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118	118
119	119	(% class="box infomessage" %)
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161	161	If the configured parameters and commands are incorrect, the return value is not obtained.
162	162	)))
163	163
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165	165
166	166	AT COMMAND
167	167
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177	177
178	178	c:  define the position for valid value.
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181	181
182	182	AT COMMAND
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186	186	PAYLOAD is available after the valid value is intercepted.
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188	188
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190	190
191	191	AT COMMAND
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250	250	Payload:01 00 02 39 85 08 DC 00 00 00 44
251	251	)))
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254	254
255	255	AT COMMAND
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361	361
362	362	DOWNLINK
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450	450	)))
451	451	)))
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455	455	(% class="box infomessage" %)
456	456	(((
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477	477
478	478	Its default device address is 01, and the following are the parameters for configuring two energy meters.
479	479
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485	485	**PAYLOAD:01 08 DF 43 62**
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508	508	* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
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	511	+
510	510	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
511	511
512	512	This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
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513	513
514	514	* [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
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	519	+
516	516	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
517	517
518	518	[[image:image-20220527094556-31.png]]

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