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1		-(% class="wikigeneratedid" %)
2		- **Contents:**
	1	+**Table of Contents:**
3	3
4	4	{{toc/}}
5	5
...	...	@@ -10,11 +10,13 @@
10	10
11	11	= **1. Introduction** =
12	12
	12	+
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
	18	+
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
	40	+
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
	43	+
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
	55	+* 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
	62	+
63	63	(((
64		-**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
	64	+(% 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	(((
...	...	@@ -75,7 +75,9 @@
75	75
76	76
77	77	(((
78		-How to connect with Energy Meter：
	78	+**How to connect with Energy Meter：**
	79	+
	80	+
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
	116	+
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]]
	119	+[[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		-)))
	122	+(% 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
...	...	@@ -128,12 +128,12 @@
128	128	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
129	129
130	130	(((
	131	+
	132	+
	133	+
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
	136	+(% 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
	149	+
	150	+
	151	+
149	149	)))
150	150
151	151	=== **1.3.3 How to configure RS485-LN and parse output commands** ===
152	152
	156	+
153	153	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
154	154
155	155
156		-==== **1.3.3.1 via AT COMMAND:** ====
	160	+==== **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
	163	+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.
	164	+
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]]
	169	+[[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
	176	+ **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]]
	185	+[[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]]
	194	+[[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]]
	202	+[[image:image-20220601143519-1.png]]
198	198
199	199	(((
200	200	AT COMMAND
...	...	@@ -205,49 +205,49 @@
205	205	)))
206	206
207	207	(((
208		-(% style="color:#4f81bd" %)**Example**:
	213	+(% 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
	215	+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)
	219	+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.
	223	+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
	229	+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)
	233	+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.
	237	+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
	243	+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)
	247	+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.
	251	+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
	255	+Payload: 01 00 02 39 85 08 DC 00 00 00 44
251	251	)))
252	252
253	253	[[image:image-20220601142936-6.png]]
...	...	@@ -258,14 +258,14 @@
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	260
	266	+[[image:image-20220601143642-2.png]]
261	261
262		-[[image:image-20220527093251-14.png]]
263		-
264	264	AT COMMAND
265	265
266	266
267	267	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
268	268
	273	+
269	269	[[image:image-20220527093358-15.png]]
270	270
271	271	(((
...	...	@@ -288,7 +288,7 @@
288	288	)))
289	289
290	290	(((
291		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	296	+(% style="color:red" %)Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
292	292	)))
293	293
294	294	(((
...	...	@@ -326,7 +326,7 @@
326	326	(((
327	327
328	328
329		-(% style="color:#4f81bd" %)**Example:**
	334	+(% style="color:blue" %)**Example:**
330	330	)))
331	331
332	332	(((
...	...	@@ -333,25 +333,25 @@
333	333	**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
334	334	)))
335	335
336		-[[image:image-20220527093430-16.png]]
	341	+[[image:image-20220601144149-6.png]]
337	337
338	338	DOWNLINK
339	339
340	340
341	341
342		-[[image:image-20220527093508-17.png]]
	347	+[[image:image-20220601143803-3.png]]
343	343
344	344	DOWNLINK
345	345
346	346
347	347
348		-[[image:image-20220527093530-18.png]]
	353	+[[image:image-20220601144053-5.png]]
349	349
350	350	DOWNLINK
351	351
352	352
353	353
354		-[[image:image-20220527093607-19.png]]
	359	+[[image:image-20220601143921-4.png]]
355	355
356	356	DOWNLINK
357	357
...	...	@@ -382,6 +382,8 @@
382	382
383	383	(((
384	384	check digit: Even
	390	+
	391	+
385	385	)))
386	386
387	387	[[image:image-20220527093708-21.png]]
...	...	@@ -398,14 +398,18 @@
398	398
399	399	(((
400	400	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.
	408	+
	409	+
401	401	)))
402	402
403	403	(((
404		-(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
	413	+(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
405	405	)))
406	406
407	407	(((
408	408	output：01 03 04 00 00 00 42 7A 02
	418	+
	419	+
409	409	)))
410	410
411	411	[[image:image-20220527093821-23.png]]
...	...	@@ -415,6 +415,7 @@
415	415
416	416	=== **1.3.5 How to configure multiple devices and modify device addresses** ===
417	417
	429	+
418	418	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.
419	419
420	420	(((
...	...	@@ -426,12 +426,14 @@
426	426	[[image:image-20220601142044-1.png]]
427	427
428	428
429		-**Example**:These two meters are examples of setting parameters and device addresses.
	441	+(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
430	430
431	431	[[image:image-20220527093950-25.png]]
432	432
	445	+
433	433	[[image:image-20220527094028-26.png]]
434	434
	448	+
435	435	(((
436	436	(((
437	437	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.
...	...	@@ -440,7 +440,7 @@
440	440
441	441	(((
442	442	(((
443		-We can use AT+CFGDEV to set the device address.
	457	+We can use **AT+CFGDEV** to set the device address.
444	444	)))
445	445	)))
446	446
...	...	@@ -452,6 +452,7 @@
452	452
453	453	[[image:image-20220601142354-2.png]]
454	454
	469	+
455	455	(% class="box infomessage" %)
456	456	(((
457	457	**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
...	...	@@ -482,6 +482,7 @@
482	482
483	483	[[image:image-20220601142607-4.png]]
484	484
	500	+
485	485	**PAYLOAD:01 08 DF 43 62**
486	486
487	487	* 08 DF is the valid value of the meter with device address 02.
...	...	@@ -488,39 +488,52 @@
488	488	* 43 62 is the valid value of the meter with device address 01.
489	489
490	490
	507	+
	508	+
491	491	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
492	492
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-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:
494	494
	512	+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.
	513	+
	514	+The structure is like below:
	515	+
495	495	[[image:image-20220527094330-30.png]]
496	496
497	497	Connection
498	498
499		-* [[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
500	500
	521	+* 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/]]
501	501
	523	+
	524	+
	525	+
502	502	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
503	503
	528	+
504	504	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:
505	505
506		-* [[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
	531	+* 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);"]]
	532	+* 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]]
507	507
508		-* [[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
509	509
510	510
511	511
512		-== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
	537	+== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
513	513
	539	+
514	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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
515	515
516		-* [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
	542	+* Configure Document For RS485-LN:  [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf||style="background-color: rgb(255, 255, 255);"]]
517	517
518	518
519	519
520		-== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
521	521
	547	+== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
	548	+
	549	+
522	522	[[image:image-20220527094556-31.png]]
523	523
524	524	Network Structure
525	525
	554	+
526	526	* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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