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1	1	(% class="wikigeneratedid" %)
2		- **Contents:**
	2	+*
	3	+** Table of** **Contents:
3	3
4	4	{{toc/}}
5	5
...	...	@@ -10,11 +10,13 @@
10	10
11	11	= **1. Introduction** =
12	12
	14	+
13	13	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14	14
15	15
16	16	== **1.1 Example 1: Connect to Leak relay and VFD** ==
17	17
	20	+
18	18	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 Relay and VFD and communicate with Mobile. The structure is like below:
19	19
20	20	[[image:image-20220527091852-1.png]]
...	...	@@ -34,12 +34,12 @@
34	34	* [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
35	35	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36	36
37		-
38		-
39	39	== **1.2 Example 2: Connect to Pulse Counter** ==
40	40
	42	+
41	41	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 Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
42	42
	45	+
43	43	[[image:image-20220527092058-3.png]]
44	44
45	45	Connection
...	...	@@ -51,17 +51,16 @@
51	51	Connection
52	52
53	53
54		-* [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document
	57	+* Configure Document: [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]]
55	55	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
56	56
57		-== ==
58		-
59	59	== **1.3 Example3: Use RS485-LN with energy meters** ==
60	60
61	61	=== **1.3.1 OverView** ===
62	62
	64	+
63	63	(((
64		-**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
	66	+(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
65	65	)))
66	66
67	67	(((
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75	75
76	76
77	77	(((
78		-How to connect with Energy Meter：
	80	+**How to connect with Energy Meter：**
	81	+
	82	+
79	79	)))
80	80
81	81	(((
...	...	@@ -111,15 +111,13 @@
111	111
112	112	=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
113	113
	118	+
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.
115	115
116		-[[image:image-20220527092629-8.png]]
	121	+[[image:image-20220601143257-10.png]]
117	117
118	118
119		-(% class="box infomessage" %)
120		-(((
121		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
122		-)))
	124	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
123	123
124	124	* The first byte : slave address code (=001～247)
125	125	* The second byte : read register value function code
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128	128	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
129	129
130	130	(((
	133	+
	134	+
	135	+
131	131	How to parse the reading of the return command of the parameter：
132		-)))
133	133
134		-(% class="box infomessage" %)
135		-(((
136		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	138	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
137	137	)))
138	138
139	139	* The first byte ARD: slave address code (=001～254)
...	...	@@ -146,22 +146,27 @@
146	146	(% class="wikigeneratedid" %)
147	147	(((
148	148
	151	+
	152	+
	153	+
149	149	)))
150	150
151	151	=== **1.3.3 How to configure RS485-LN and parse output commands** ===
152	152
	158	+
153	153	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154	154
155	155
156		-==== **1.3.3.1 via AT COMMAND:** ====
	162	+==== **1.3.3.1 via AT COMMAND** ====
157	157
158		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
159	159
	165	+First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct.
	166	+
160	160	(((
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]]
	171	+[[image:image-20220601143201-9.png]]
165	165
166	166	AT COMMAND
167	167
...	...	@@ -168,7 +168,7 @@
168	168
169	169	(% class="box infomessage" %)
170	170	(((
171		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	178	+ **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
172	172	)))
173	173
174	174	a:  length for the return of AT+COMMAND
...	...	@@ -177,7 +177,7 @@
177	177
178	178	c:  define the position for valid value.
179	179
180		-[[image:image-20220527092936-10.png]]
	187	+[[image:image-20220601143115-8.png]]
181	181
182	182	AT COMMAND
183	183
...	...	@@ -186,7 +186,7 @@
186	186	PAYLOAD is available after the valid value is intercepted.
187	187
188	188
189		-[[image:image-20220527093059-11.png]]
	196	+[[image:image-20220601143046-7.png]]
190	190
191	191	AT COMMAND
192	192
...	...	@@ -194,7 +194,7 @@
194	194
195	195	You can get configured PAYLOAD on TTN.
196	196
197		-[[image:image-20220527093133-12.png]]
	204	+[[image:image-20220601143519-1.png]]
198	198
199	199	(((
200	200	AT COMMAND
...	...	@@ -205,52 +205,52 @@
205	205	)))
206	206
207	207	(((
208		-(% style="color:#4f81bd" %)**Example**:
	215	+(% style="color:blue" %)**Example**:
209	209
210		-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
211	211	)))
212	212
213	213	(((
214		-RETURN1:01 03 02 00 02 39 85 00 00(return data)
	221	+RETURN1: 01 03 02 00 02 39 85 00 00(return data)
215	215	)))
216	216
217	217	(((
218		-AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
	225	+AT+DATACUT1: 9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
219	219
220	220
221	221	)))
222	222
223	223	(((
224		-CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
	231	+CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
225	225	)))
226	226
227	227	(((
228		-RETURN2:01 03 02 08 DC BE 1D(return data)
	235	+RETURN2: 01 03 02 08 DC BE 1D(return data)
229	229	)))
230	230
231	231	(((
232		-AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
	239	+AT+DATACUT2: 7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
233	233
234	234
235	235	)))
236	236
237	237	(((
238		-CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
	245	+CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
239	239	)))
240	240
241	241	(((
242		-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)
243	243	)))
244	244
245	245	(((
246		-AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
	253	+AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
247	247	)))
248	248
249	249	(((
250		-Payload:01 00 02 39 85 08 DC 00 00 00 44
	257	+Payload: 01 00 02 39 85 08 DC 00 00 00 44
251	251	)))
252	252
253		-[[image:image-20220527093204-13.png]]
	260	+[[image:image-20220601142936-6.png]]
254	254
255	255	AT COMMAND
256	256
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257	257
258	258	(% 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.**
259	259
260		-[[image:image-20220527093251-14.png]]
261	261
	268	+[[image:image-20220601143642-2.png]]
	269	+
262	262	AT COMMAND
263	263
264	264
265	265	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
266	266
	275	+
267	267	[[image:image-20220527093358-15.png]]
268	268
269	269	(((
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286	286	)))
287	287
288	288	(((
289		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	298	+(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
290	290	)))
291	291
292	292	(((
...	...	@@ -322,7 +322,9 @@
322	322	)))
323	323
324	324	(((
325		-(% style="color:#4f81bd" %)**Example:**
	334	+
	335	+
	336	+(% style="color:blue" %)**Example:**
326	326	)))
327	327
328	328	(((
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329	329	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
330	330	)))
331	331
332		-[[image:image-20220527093430-16.png]]
	343	+[[image:image-20220601144149-6.png]]
333	333
334	334	DOWNLINK
335	335
336	336
337		-[[image:image-20220527093508-17.png]]
338	338
	349	+[[image:image-20220601143803-3.png]]
	350	+
339	339	DOWNLINK
340	340
341	341
342		-[[image:image-20220527093530-18.png]]
343	343
	355	+[[image:image-20220601144053-5.png]]
	356	+
344	344	DOWNLINK
345	345
346	346
347		-[[image:image-20220527093607-19.png]]
348	348
	361	+[[image:image-20220601143921-4.png]]
	362	+
349	349	DOWNLINK
350	350
351	351
352		-[[image:image-20220527093628-20.png]]
353	353
	367	+[[image:image-20220601142805-5.png]]
	368	+
354	354	DOWNLINK
355	355
356	356
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374	374
375	375	(((
376	376	check digit: Even
	392	+
	393	+
377	377	)))
378	378
379	379	[[image:image-20220527093708-21.png]]
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381	381	USB
382	382
383	383
	401	+
384	384	[[image:image-20220527093747-22.png]]
385	385
386	386	USB
387	387
388	388
	407	+
389	389	(((
390	390	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	+
391	391	)))
392	392
393	393	(((
394		-(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
	415	+(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
395	395	)))
396	396
397	397	(((
398	398	output：01 03 04 00 00 00 42 7A 02
	420	+
	421	+
399	399	)))
400	400
401	401	[[image:image-20220527093821-23.png]]
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405	405
406	406	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
407	407
	431	+
408	408	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.
409	409
410	410	(((
...	...	@@ -413,13 +413,14 @@
413	413	)))
414	414	)))
415	415
416		-[[image:image-20220527093849-24.png]]
	440	+[[image:image-20220601142044-1.png]]
417	417
418	418
419		-**Example**:These two meters are examples of setting parameters and device addresses.
	443	+(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
420	420
421	421	[[image:image-20220527093950-25.png]]
422	422
	447	+
423	423	[[image:image-20220527094028-26.png]]
424	424
425	425	(((
...	...	@@ -440,7 +440,7 @@
440	440	)))
441	441	)))
442	442
443		-[[image:image-20220527094100-27.png]]
	468	+[[image:image-20220601142354-2.png]]
444	444
445	445	(% class="box infomessage" %)
446	446	(((
...	...	@@ -467,10 +467,10 @@
467	467
468	468	Its default device address is 01, and the following are the parameters for configuring two energy meters.
469	469
470		-[[image:image-20220527094150-28.png]]
	495	+[[image:image-20220601142452-3.png]]
471	471
472	472
473		-[[image:image-20220527094224-29.png]]
	498	+[[image:image-20220601142607-4.png]]
474	474
475	475	**PAYLOAD:01 08 DF 43 62**
476	476
...	...	@@ -477,7 +477,6 @@
477	477	* 08 DF is the valid value of the meter with device address 02.
478	478	* 43 62 is the valid value of the meter with device address 01.
479	479
480		-
481	481	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
482	482
483	483	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:
...	...	@@ -488,7 +488,6 @@
488	488
489	489	* [[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
490	490
491		-
492	492	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
493	493
494	494	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:

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