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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]]
...	...	@@ -34,32 +34,33 @@
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
46	46
47	47
	51	+
48	48	[[image:image-20220527092146-4.png]]
49	49
50	50	Connection
51	51
52		-* [[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/]]
53	53	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
54	54
55		-== ==
56		-
57	57	== **1.3 Example3: Use RS485-LN with energy meters** ==
58	58
59	59	=== **1.3.1 OverView** ===
60	60
	64	+
61	61	(((
62		-**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.
63	63	)))
64	64
65	65	(((
...	...	@@ -71,8 +71,11 @@
71	71	Connection1
72	72
73	73
	78	+
74	74	(((
75		-How to connect with Energy Meter：
	80	+**How to connect with Energy Meter：**
	81	+
	82	+
76	76	)))
77	77
78	78	(((
...	...	@@ -100,6 +100,7 @@
100	100	Connection2
101	101
102	102
	110	+
103	103	[[image:image-20220527092555-7.png]]
104	104
105	105	Connection3
...	...	@@ -107,15 +107,13 @@
107	107
108	108	=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
109	109
	118	+
110	110	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.
111	111
112		-[[image:image-20220527092629-8.png]]
	121	+[[image:image-20220601143257-10.png]]
113	113
114	114
115		-(% class="box infomessage" %)
116		-(((
117		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
118		-)))
	124	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
119	119
120	120	* The first byte : slave address code (=001～247)
121	121	* The second byte : read register value function code
...	...	@@ -124,12 +124,12 @@
124	124	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
125	125
126	126	(((
	133	+
	134	+
	135	+
127	127	How to parse the reading of the return command of the parameter：
128		-)))
129	129
130		-(% class="box infomessage" %)
131		-(((
132		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	138	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
133	133	)))
134	134
135	135	* The first byte ARD: slave address code (=001～254)
...	...	@@ -142,22 +142,27 @@
142	142	(% class="wikigeneratedid" %)
143	143	(((
144	144
	151	+
	152	+
	153	+
145	145	)))
146	146
147	147	=== **1.3.3 How to configure RS485-LN and parse output commands** ===
148	148
	158	+
149	149	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
150	150
151	151
152		-==== **1.3.3.1 via AT COMMAND:** ====
	162	+==== **1.3.3.1 via AT COMMAND** ====
153	153
154		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
155	155
	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	+
156	156	(((
157	157	If the configured parameters and commands are incorrect, the return value is not obtained.
158	158	)))
159	159
160		-[[image:image-20220527092748-9.png]]
	171	+[[image:image-20220601143201-9.png]]
161	161
162	162	AT COMMAND
163	163
...	...	@@ -164,31 +164,33 @@
164	164
165	165	(% class="box infomessage" %)
166	166	(((
167		- 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
168	168	)))
169	169
170		-a: length for the return of AT+COMMAND
	181	+a:  length for the return of AT+COMMAND
171	171
172		-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.
173	173
174		-c: define the position for valid value.
	185	+c:  define the position for valid value.
175	175
176		-[[image:image-20220527092936-10.png]]
	187	+[[image:image-20220601143115-8.png]]
177	177
178	178	AT COMMAND
179	179
180	180
	192	+
181	181	PAYLOAD is available after the valid value is intercepted.
182	182
183	183
184		-[[image:image-20220527093059-11.png]]
	196	+[[image:image-20220601143046-7.png]]
185	185
186	186	AT COMMAND
187	187
188	188
	201	+
189	189	You can get configured PAYLOAD on TTN.
190	190
191		-[[image:image-20220527093133-12.png]]
	204	+[[image:image-20220601143519-1.png]]
192	192
193	193	(((
194	194	AT COMMAND
...	...	@@ -199,52 +199,52 @@
199	199	)))
200	200
201	201	(((
202		-(% style="color:#4f81bd" %)**Example**:
	215	+(% style="color:blue" %)**Example**:
203	203
204		-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
205	205	)))
206	206
207	207	(((
208		-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)
209	209	)))
210	210
211	211	(((
212		-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.
213	213
214	214
215	215	)))
216	216
217	217	(((
218		-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
219	219	)))
220	220
221	221	(((
222		-RETURN2:01 03 02 08 DC BE 1D(return data)
	235	+RETURN2: 01 03 02 08 DC BE 1D(return data)
223	223	)))
224	224
225	225	(((
226		-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.
227	227
228	228
229	229	)))
230	230
231	231	(((
232		-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
233	233	)))
234	234
235	235	(((
236		-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)
237	237	)))
238	238
239	239	(((
240		-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.
241	241	)))
242	242
243	243	(((
244		-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
245	245	)))
246	246
247		-[[image:image-20220527093204-13.png]]
	260	+[[image:image-20220601142936-6.png]]
248	248
249	249	AT COMMAND
250	250
...	...	@@ -251,13 +251,15 @@
251	251
252	252	(% 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.**
253	253
254		-[[image:image-20220527093251-14.png]]
255	255
	268	+[[image:image-20220601143642-2.png]]
	269	+
256	256	AT COMMAND
257	257
258	258
259	259	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
260	260
	275	+
261	261	[[image:image-20220527093358-15.png]]
262	262
263	263	(((
...	...	@@ -280,7 +280,7 @@
280	280	)))
281	281
282	282	(((
283		-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.
284	284	)))
285	285
286	286	(((
...	...	@@ -316,7 +316,9 @@
316	316	)))
317	317
318	318	(((
319		-(% style="color:#4f81bd" %)**Example:**
	334	+
	335	+
	336	+(% style="color:blue" %)**Example:**
320	320	)))
321	321
322	322	(((
...	...	@@ -323,28 +323,32 @@
323	323	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
324	324	)))
325	325
326		-[[image:image-20220527093430-16.png]]
	343	+[[image:image-20220601144149-6.png]]
327	327
328	328	DOWNLINK
329	329
330	330
331		-[[image:image-20220527093508-17.png]]
332	332
	349	+[[image:image-20220601143803-3.png]]
	350	+
333	333	DOWNLINK
334	334
335	335
336		-[[image:image-20220527093530-18.png]]
337	337
	355	+[[image:image-20220601144053-5.png]]
	356	+
338	338	DOWNLINK
339	339
340	340
341		-[[image:image-20220527093607-19.png]]
342	342
	361	+[[image:image-20220601143921-4.png]]
	362	+
343	343	DOWNLINK
344	344
345	345
346		-[[image:image-20220527093628-20.png]]
347	347
	367	+[[image:image-20220601142805-5.png]]
	368	+
348	348	DOWNLINK
349	349
350	350
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368	368
369	369	(((
370	370	check digit: Even
	392	+
	393	+
371	371	)))
372	372
373	373	[[image:image-20220527093708-21.png]]
...	...	@@ -375,21 +375,27 @@
375	375	USB
376	376
377	377
	401	+
378	378	[[image:image-20220527093747-22.png]]
379	379
380	380	USB
381	381
382	382
	407	+
383	383	(((
384	384	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	+
385	385	)))
386	386
387	387	(((
388		-(% 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
389	389	)))
390	390
391	391	(((
392	392	output：01 03 04 00 00 00 42 7A 02
	420	+
	421	+
393	393	)))
394	394
395	395	[[image:image-20220527093821-23.png]]
...	...	@@ -399,6 +399,7 @@
399	399
400	400	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
401	401
	431	+
402	402	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.
403	403
404	404	(((
...	...	@@ -407,13 +407,14 @@
407	407	)))
408	408	)))
409	409
410		-[[image:image-20220527093849-24.png]]
	440	+[[image:image-20220601142044-1.png]]
411	411
412	412
413		-**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.
414	414
415	415	[[image:image-20220527093950-25.png]]
416	416
	447	+
417	417	[[image:image-20220527094028-26.png]]
418	418
419	419	(((
...	...	@@ -434,7 +434,7 @@
434	434	)))
435	435	)))
436	436
437		-[[image:image-20220527094100-27.png]]
	468	+[[image:image-20220601142354-2.png]]
438	438
439	439	(% class="box infomessage" %)
440	440	(((
...	...	@@ -461,10 +461,10 @@
461	461
462	462	Its default device address is 01, and the following are the parameters for configuring two energy meters.
463	463
464		-[[image:image-20220527094150-28.png]]
	495	+[[image:image-20220601142452-3.png]]
465	465
466	466
467		-[[image:image-20220527094224-29.png]]
	498	+[[image:image-20220601142607-4.png]]
468	468
469	469	**PAYLOAD:01 08 DF 43 62**
470	470
...	...	@@ -471,7 +471,6 @@
471	471	* 08 DF is the valid value of the meter with device address 02.
472	472	* 43 62 is the valid value of the meter with device address 01.
473	473
474		-
475	475	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
476	476
477	477	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:
...	...	@@ -482,7 +482,6 @@
482	482
483	483	* [[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
484	484
485		-
486	486	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
487	487
488	488	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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