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161	161	If the configured parameters and commands are incorrect, the return value is not obtained.
162	162	)))
163	163
164		-[[image:image-20220527092748-9.png]]
	164	+[[image:image-20220601143201-9.png]]
165	165
166	166	AT COMMAND
167	167
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177	177
178	178	c:  define the position for valid value.
179	179
180		-[[image:image-20220527092936-10.png]]
	180	+[[image:image-20220601143115-8.png]]
181	181
182	182	AT COMMAND
183	183
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186	186	PAYLOAD is available after the valid value is intercepted.
187	187
188	188
189		-[[image:image-20220527093059-11.png]]
	189	+[[image:image-20220601143046-7.png]]
190	190
191	191	AT COMMAND
192	192
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250	250	Payload:01 00 02 39 85 08 DC 00 00 00 44
251	251	)))
252	252
253		-[[image:image-20220527093204-13.png]]
	253	+[[image:image-20220601142936-6.png]]
254	254
255	255	AT COMMAND
256	256
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357	357
358	358
359	359
360		-[[image:image-20220527093628-20.png]]
	360	+[[image:image-20220601142805-5.png]]
361	361
362	362	DOWNLINK
363	363
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395	395	USB
396	396
397	397
	398	+
398	398	(((
399	399	The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command.
400	400	)))
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422	422	)))
423	423	)))
424	424
425		-[[image:image-20220527093849-24.png]]
	426	+[[image:image-20220601142044-1.png]]
426	426
427	427
428	428	**Example**:These two meters are examples of setting parameters and device addresses.
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449	449	)))
450	450	)))
451	451
452		-[[image:image-20220527094100-27.png]]
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453	453
454	454	(% class="box infomessage" %)
455	455	(((
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476	476
477	477	Its default device address is 01, and the following are the parameters for configuring two energy meters.
478	478
479		-[[image:image-20220527094150-28.png]]
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480	480
481	481
482		-[[image:image-20220527094224-29.png]]
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483	483
484	484	**PAYLOAD:01 08 DF 43 62**
485	485
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506	506
507	507	* [[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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	510	+
	511	+
509	509	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
510	510
511	511	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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512	512
513	513	* [[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
514	514
	518	+
	519	+
515	515	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
516	516
517	517	[[image:image-20220527094556-31.png]]

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