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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
...	...	@@ -186,14 +186,15 @@
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
193	193
	201	+
194	194	You can get configured PAYLOAD on TTN.
195	195
196		-[[image:image-20220527093133-12.png]]
	204	+[[image:image-20220601143519-1.png]]
197	197
198	198	(((
199	199	AT COMMAND
...	...	@@ -204,52 +204,52 @@
204	204	)))
205	205
206	206	(((
207		-(% style="color:#4f81bd" %)**Example**:
	215	+(% style="color:blue" %)**Example**:
208	208
209		-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
210	210	)))
211	211
212	212	(((
213		-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)
214	214	)))
215	215
216	216	(((
217		-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.
218	218
219	219
220	220	)))
221	221
222	222	(((
223		-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
224	224	)))
225	225
226	226	(((
227		-RETURN2:01 03 02 08 DC BE 1D(return data)
	235	+RETURN2: 01 03 02 08 DC BE 1D(return data)
228	228	)))
229	229
230	230	(((
231		-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.
232	232
233	233
234	234	)))
235	235
236	236	(((
237		-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
238	238	)))
239	239
240	240	(((
241		-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)
242	242	)))
243	243
244	244	(((
245		-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.
246	246	)))
247	247
248	248	(((
249		-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
250	250	)))
251	251
252		-[[image:image-20220527093204-13.png]]
	260	+[[image:image-20220601142936-6.png]]
253	253
254	254	AT COMMAND
255	255
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256	256
257	257	(% 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.**
258	258
259		-[[image:image-20220527093251-14.png]]
260	260
	268	+[[image:image-20220601143642-2.png]]
	269	+
261	261	AT COMMAND
262	262
263	263
264	264	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
265	265
	275	+
266	266	[[image:image-20220527093358-15.png]]
267	267
268	268	(((
...	...	@@ -285,7 +285,7 @@
285	285	)))
286	286
287	287	(((
288		-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.
289	289	)))
290	290
291	291	(((
...	...	@@ -321,7 +321,9 @@
321	321	)))
322	322
323	323	(((
324		-(% style="color:#4f81bd" %)**Example:**
	334	+
	335	+
	336	+(% style="color:blue" %)**Example:**
325	325	)))
326	326
327	327	(((
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328	328	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
329	329	)))
330	330
331		-[[image:image-20220527093430-16.png]]
	343	+[[image:image-20220601144149-6.png]]
332	332
333	333	DOWNLINK
334	334
335	335
336		-[[image:image-20220527093508-17.png]]
337	337
	349	+[[image:image-20220601143803-3.png]]
	350	+
338	338	DOWNLINK
339	339
340	340
341		-[[image:image-20220527093530-18.png]]
342	342
	355	+[[image:image-20220601144053-5.png]]
	356	+
343	343	DOWNLINK
344	344
345	345
346		-[[image:image-20220527093607-19.png]]
347	347
	361	+[[image:image-20220601143921-4.png]]
	362	+
348	348	DOWNLINK
349	349
350	350
351		-[[image:image-20220527093628-20.png]]
352	352
	367	+[[image:image-20220601142805-5.png]]
	368	+
353	353	DOWNLINK
354	354
355	355
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373	373
374	374	(((
375	375	check digit: Even
	392	+
	393	+
376	376	)))
377	377
378	378	[[image:image-20220527093708-21.png]]
...	...	@@ -380,21 +380,27 @@
380	380	USB
381	381
382	382
	401	+
383	383	[[image:image-20220527093747-22.png]]
384	384
385	385	USB
386	386
387	387
	407	+
388	388	(((
389	389	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	+
390	390	)))
391	391
392	392	(((
393		-(% 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
394	394	)))
395	395
396	396	(((
397	397	output：01 03 04 00 00 00 42 7A 02
	420	+
	421	+
398	398	)))
399	399
400	400	[[image:image-20220527093821-23.png]]
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404	404
405	405	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
406	406
	431	+
407	407	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.
408	408
409	409	(((
...	...	@@ -412,13 +412,14 @@
412	412	)))
413	413	)))
414	414
415		-[[image:image-20220527093849-24.png]]
	440	+[[image:image-20220601142044-1.png]]
416	416
417	417
418		-**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.
419	419
420	420	[[image:image-20220527093950-25.png]]
421	421
	447	+
422	422	[[image:image-20220527094028-26.png]]
423	423
424	424	(((
...	...	@@ -439,7 +439,7 @@
439	439	)))
440	440	)))
441	441
442		-[[image:image-20220527094100-27.png]]
	468	+[[image:image-20220601142354-2.png]]
443	443
444	444	(% class="box infomessage" %)
445	445	(((
...	...	@@ -466,10 +466,10 @@
466	466
467	467	Its default device address is 01, and the following are the parameters for configuring two energy meters.
468	468
469		-[[image:image-20220527094150-28.png]]
	495	+[[image:image-20220601142452-3.png]]
470	470
471	471
472		-[[image:image-20220527094224-29.png]]
	498	+[[image:image-20220601142607-4.png]]
473	473
474	474	**PAYLOAD:01 08 DF 43 62**
475	475
...	...	@@ -476,7 +476,6 @@
476	476	* 08 DF is the valid value of the meter with device address 02.
477	477	* 43 62 is the valid value of the meter with device address 01.
478	478
479		-
480	480	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
481	481
482	482	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:
...	...	@@ -487,7 +487,6 @@
487	487
488	488	* [[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
489	489
490		-
491	491	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
492	492
493	493	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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