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1	1	(% class="wikigeneratedid" %)
2		-*
	2	+*
3	3	** Table of** **Contents:
4	4
5	5	{{toc/}}
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214	214	(((
215	215	(% style="color:blue" %)**Example**:
216	216
217		-CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	217	+CMD1:Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
218	218	)))
219	219
220	220	(((
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246	246	)))
247	247
248	248	(((
249		-RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
	249	+RETURN3:01 03 04 00 00 00 44 FA 00(return data)
250	250	)))
251	251
252	252	(((
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265	265	(% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
266	266
267	267
	268	+
268	268	[[image:image-20220601143642-2.png]]
269	269
270	270	AT COMMAND
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295	295	)))
296	296
297	297	(((
298		-(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	299	+Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
299	299	)))
300	300
301	301	(((
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333	333	(((
334	334
335	335
336		-(% style="color:blue" %)**Example:**
	337	+(% style="color:#4f81bd" %)**Example:**
337	337	)))
338	338
339	339	(((
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389	389
390	390	(((
391	391	check digit: Even
392		-
393		-
394	394	)))
395	395
396	396	[[image:image-20220527093708-21.png]]
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407	407
408	408	(((
409	409	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.
410		-
411		-
412	412	)))
413	413
414	414	(((
415		-(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
	412	+(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
416	416	)))
417	417
418	418	(((
419	419	output：01 03 04 00 00 00 42 7A 02
420		-
421		-
422	422	)))
423	423
424	424	[[image:image-20220527093821-23.png]]
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428	428
429	429	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
430	430
431		-
432	432	If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
433	433
434	434	(((
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440	440	[[image:image-20220601142044-1.png]]
441	441
442	442
443		-(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
	437	+**Example**:These two meters are examples of setting parameters and device addresses.
444	444
445	445	[[image:image-20220527093950-25.png]]
446	446
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447	447
448	448	[[image:image-20220527094028-26.png]]
449	449
450		-
451	451	(((
452	452	(((
453	453	First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address.
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456	456
457	457	(((
458	458	(((
459		-We can use **AT+CFGDEV** to set the device address.
	452	+We can use AT+CFGDEV to set the device address.
460	460	)))
461	461	)))
462	462
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468	468
469	469	[[image:image-20220601142354-2.png]]
470	470
471		-
472	472	(% class="box infomessage" %)
473	473	(((
474	474	**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
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499	499
500	500	[[image:image-20220601142607-4.png]]
501	501
502		-
503	503	**PAYLOAD:01 08 DF 43 62**
504	504
505	505	* 08 DF is the valid value of the meter with device address 02.
506	506	* 43 62 is the valid value of the meter with device address 01.
507	507
508		-
509		-
510		-
511	511	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
512	512
	501	+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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
513	513
514		-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 SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology.
515		-
516		-The structure is like below:
517		-
518	518	[[image:image-20220527094330-30.png]]
519	519
520	520	Connection
521	521
	507	+* [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
522	522
523		-* Configure Documen: [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]]
524		-
525		-
526		-
527		-
528	528	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
529	529
530		-
531	531	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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:
532	532
533		-* Configure Document For RS485-BL: [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf||style="background-color: rgb(255, 255, 255);"]]
534		-* Configure Document for RS485-LN: [[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]]
	513	+* [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Application_Note/&file=Dragino%20RS485BL%20and%20pickdata%20SEM%20Three%20v1.pdf]] : Configure Document For RS485-BL
535	535
	515	+* [[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
536	536
537		-
538		-
539	539	== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
540	540
541	541	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: