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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
...	...	@@ -350,13 +350,15 @@
350	350	DOWNLINK
351	351
352	352
	353	+
353	353	[[image:image-20220527093607-19.png]]
354	354
355	355	DOWNLINK
356	356
357	357
358		-[[image:image-20220527093628-20.png]]
359	359
	360	+[[image:image-20220601142805-5.png]]
	361	+
360	360	DOWNLINK
361	361
362	362
...	...	@@ -387,11 +387,13 @@
387	387	USB
388	388
389	389
	392	+
390	390	[[image:image-20220527093747-22.png]]
391	391
392	392	USB
393	393
394	394
	398	+
395	395	(((
396	396	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.
397	397	)))
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419	419	)))
420	420	)))
421	421
422		-[[image:image-20220527093849-24.png]]
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423	423
424	424
425	425	**Example**:These two meters are examples of setting parameters and device addresses.
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446	446	)))
447	447	)))
448	448
449		-[[image:image-20220527094100-27.png]]
	453	+[[image:image-20220601142354-2.png]]
450	450
451	451	(% class="box infomessage" %)
452	452	(((
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473	473
474	474	Its default device address is 01, and the following are the parameters for configuring two energy meters.
475	475
476		-[[image:image-20220527094150-28.png]]
	480	+[[image:image-20220601142452-3.png]]
477	477
478	478
479		-[[image:image-20220527094224-29.png]]
	483	+[[image:image-20220601142607-4.png]]
480	480
481	481	**PAYLOAD:01 08 DF 43 62**
482	482
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503	503
504	504	* [[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
505	505
	510	+
	511	+
506	506	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
507	507
508	508	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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509	509
510	510	* [[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
511	511
	518	+
	519	+
512	512	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
513	513
514	514	[[image:image-20220527094556-31.png]]

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