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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
...	...	@@ -50,17 +50,17 @@
50	50
51	51	Connection
52	52
53		-* [[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
	56	+
	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/]]
54	54	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
55	55
56		-== ==
57		-
58	58	== **1.3 Example3: Use RS485-LN with energy meters** ==
59	59
60	60	=== **1.3.1 OverView** ===
61	61
	64	+
62	62	(((
63		-**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.
64	64	)))
65	65
66	66	(((
...	...	@@ -72,8 +72,11 @@
72	72	Connection1
73	73
74	74
	78	+
75	75	(((
76		-How to connect with Energy Meter：
	80	+**How to connect with Energy Meter：**
	81	+
	82	+
77	77	)))
78	78
79	79	(((
...	...	@@ -101,6 +101,7 @@
101	101	Connection2
102	102
103	103
	110	+
104	104	[[image:image-20220527092555-7.png]]
105	105
106	106	Connection3
...	...	@@ -108,15 +108,13 @@
108	108
109	109	=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
110	110
	118	+
111	111	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.
112	112
113		-[[image:image-20220527092629-8.png]]
	121	+[[image:image-20220601143257-10.png]]
114	114
115	115
116		-(% class="box infomessage" %)
117		-(((
118		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
119		-)))
	124	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
120	120
121	121	* The first byte : slave address code (=001～247)
122	122	* The second byte : read register value function code
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125	125	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
126	126
127	127	(((
	133	+
	134	+
	135	+
128	128	How to parse the reading of the return command of the parameter：
129		-)))
130	130
131		-(% class="box infomessage" %)
132		-(((
133		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	138	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
134	134	)))
135	135
136	136	* The first byte ARD: slave address code (=001～254)
...	...	@@ -143,22 +143,27 @@
143	143	(% class="wikigeneratedid" %)
144	144	(((
145	145
	151	+
	152	+
	153	+
146	146	)))
147	147
148	148	=== **1.3.3 How to configure RS485-LN and parse output commands** ===
149	149
	158	+
150	150	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
151	151
152	152
153		-==== **1.3.3.1 via AT COMMAND:** ====
	162	+==== **1.3.3.1 via AT COMMAND** ====
154	154
155		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
156	156
	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	+
157	157	(((
158	158	If the configured parameters and commands are incorrect, the return value is not obtained.
159	159	)))
160	160
161		-[[image:image-20220527092748-9.png]]
	171	+[[image:image-20220601143201-9.png]]
162	162
163	163	AT COMMAND
164	164
...	...	@@ -165,31 +165,33 @@
165	165
166	166	(% class="box infomessage" %)
167	167	(((
168		- 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
169	169	)))
170	170
171		-a: length for the return of AT+COMMAND
	181	+a:  length for the return of AT+COMMAND
172	172
173		-b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
	183	+b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
174	174
175		-c: define the position for valid value.
	185	+c:  define the position for valid value.
176	176
177		-[[image:image-20220527092936-10.png]]
	187	+[[image:image-20220601143115-8.png]]
178	178
179	179	AT COMMAND
180	180
181	181
	192	+
182	182	PAYLOAD is available after the valid value is intercepted.
183	183
184	184
185		-[[image:image-20220527093059-11.png]]
	196	+[[image:image-20220601143046-7.png]]
186	186
187	187	AT COMMAND
188	188
189	189
	201	+
190	190	You can get configured PAYLOAD on TTN.
191	191
192		-[[image:image-20220527093133-12.png]]
	204	+[[image:image-20220601143519-1.png]]
193	193
194	194	(((
195	195	AT COMMAND
...	...	@@ -200,52 +200,52 @@
200	200	)))
201	201
202	202	(((
203		-(% style="color:#4f81bd" %)**Example**:
	215	+(% style="color:blue" %)**Example**:
204	204
205		-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
206	206	)))
207	207
208	208	(((
209		-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)
210	210	)))
211	211
212	212	(((
213		-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.
214	214
215	215
216	216	)))
217	217
218	218	(((
219		-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
220	220	)))
221	221
222	222	(((
223		-RETURN2:01 03 02 08 DC BE 1D(return data)
	235	+RETURN2: 01 03 02 08 DC BE 1D(return data)
224	224	)))
225	225
226	226	(((
227		-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.
228	228
229	229
230	230	)))
231	231
232	232	(((
233		-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
234	234	)))
235	235
236	236	(((
237		-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)
238	238	)))
239	239
240	240	(((
241		-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.
242	242	)))
243	243
244	244	(((
245		-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
246	246	)))
247	247
248		-[[image:image-20220527093204-13.png]]
	260	+[[image:image-20220601142936-6.png]]
249	249
250	250	AT COMMAND
251	251
...	...	@@ -252,13 +252,15 @@
252	252
253	253	(% 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.**
254	254
255		-[[image:image-20220527093251-14.png]]
256	256
	268	+[[image:image-20220601143642-2.png]]
	269	+
257	257	AT COMMAND
258	258
259	259
260	260	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
261	261
	275	+
262	262	[[image:image-20220527093358-15.png]]
263	263
264	264	(((
...	...	@@ -281,7 +281,7 @@
281	281	)))
282	282
283	283	(((
284		-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.
285	285	)))
286	286
287	287	(((
...	...	@@ -317,7 +317,9 @@
317	317	)))
318	318
319	319	(((
320		-(% style="color:#4f81bd" %)**Example:**
	334	+
	335	+
	336	+(% style="color:blue" %)**Example:**
321	321	)))
322	322
323	323	(((
...	...	@@ -324,28 +324,32 @@
324	324	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
325	325	)))
326	326
327		-[[image:image-20220527093430-16.png]]
	343	+[[image:image-20220601144149-6.png]]
328	328
329	329	DOWNLINK
330	330
331	331
332		-[[image:image-20220527093508-17.png]]
333	333
	349	+[[image:image-20220601143803-3.png]]
	350	+
334	334	DOWNLINK
335	335
336	336
337		-[[image:image-20220527093530-18.png]]
338	338
	355	+[[image:image-20220601144053-5.png]]
	356	+
339	339	DOWNLINK
340	340
341	341
342		-[[image:image-20220527093607-19.png]]
343	343
	361	+[[image:image-20220601143921-4.png]]
	362	+
344	344	DOWNLINK
345	345
346	346
347		-[[image:image-20220527093628-20.png]]
348	348
	367	+[[image:image-20220601142805-5.png]]
	368	+
349	349	DOWNLINK
350	350
351	351
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369	369
370	370	(((
371	371	check digit: Even
	392	+
	393	+
372	372	)))
373	373
374	374	[[image:image-20220527093708-21.png]]
...	...	@@ -376,21 +376,27 @@
376	376	USB
377	377
378	378
	401	+
379	379	[[image:image-20220527093747-22.png]]
380	380
381	381	USB
382	382
383	383
	407	+
384	384	(((
385	385	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	+
386	386	)))
387	387
388	388	(((
389		-(% 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
390	390	)))
391	391
392	392	(((
393	393	output：01 03 04 00 00 00 42 7A 02
	420	+
	421	+
394	394	)))
395	395
396	396	[[image:image-20220527093821-23.png]]
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400	400
401	401	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
402	402
	431	+
403	403	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.
404	404
405	405	(((
...	...	@@ -408,13 +408,14 @@
408	408	)))
409	409	)))
410	410
411		-[[image:image-20220527093849-24.png]]
	440	+[[image:image-20220601142044-1.png]]
412	412
413	413
414		-**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.
415	415
416	416	[[image:image-20220527093950-25.png]]
417	417
	447	+
418	418	[[image:image-20220527094028-26.png]]
419	419
420	420	(((
...	...	@@ -435,7 +435,7 @@
435	435	)))
436	436	)))
437	437
438		-[[image:image-20220527094100-27.png]]
	468	+[[image:image-20220601142354-2.png]]
439	439
440	440	(% class="box infomessage" %)
441	441	(((
...	...	@@ -462,10 +462,10 @@
462	462
463	463	Its default device address is 01, and the following are the parameters for configuring two energy meters.
464	464
465		-[[image:image-20220527094150-28.png]]
	495	+[[image:image-20220601142452-3.png]]
466	466
467	467
468		-[[image:image-20220527094224-29.png]]
	498	+[[image:image-20220601142607-4.png]]
469	469
470	470	**PAYLOAD:01 08 DF 43 62**
471	471
...	...	@@ -472,7 +472,6 @@
472	472	* 08 DF is the valid value of the meter with device address 02.
473	473	* 43 62 is the valid value of the meter with device address 01.
474	474
475		-
476	476	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
477	477
478	478	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:
...	...	@@ -483,7 +483,6 @@
483	483
484	484	* [[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
485	485
486		-
487	487	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
488	488
489	489	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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