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1		-(% class="wikigeneratedid" %)
2		- **Contents:**
	1	+**Table of Contents:**
3	3
4	4	{{toc/}}
5	5
	5	+
	6	+
	7	+
	8	+
	9	+
6	6	= 1. Introduction =
7	7
	12	+
8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9	9
	15	+
10	10	== 1.1 Example 1: Connect to Leak relay and VFD ==
11	11
	18	+
12	12	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:
13	13
14		-[[image:image-20220527091852-1.png]]
15	15
16		-Connection
	22	+[[image:image-20220527091852-1.png||height="547" width="994"]]
17	17
	24	+**Connection**
18	18
19	19
	27	+
20	20	[[image:image-20220527091942-2.png]](% style="display:none" %)
21	21
22		-Connection
	30	+**Connection**
23	23
24	24
25		-Related documents:
	33	+(% style="color:blue" %)**Related documents:**
26	26
27		-* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
28		-* [[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	+* System Structure:  [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
	36	+* Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code:  [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
29	29	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
30	30
31	31
	40	+
32	32	== 1.2 Example 2: Connect to Pulse Counter ==
33	33
	43	+
34	34	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:
35	35
36		-[[image:image-20220527092058-3.png]]
37	37
38		-Connection
	47	+[[image:image-20220527092058-3.png||height="552" width="905"]]
39	39
	49	+**Connection**
40	40
41		-[[image:image-20220527092146-4.png]]
42	42
43		-Connection
44	44
45		-* [[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
	53	+[[image:image-20220527092146-4.png||height="507" width="906"]]
	54	+
	55	+**Connection**
	56	+
	57	+
	58	+(% style="color:blue" %)**Related documents:**
	59	+
	60	+* 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/||_mstmutation="1"]]
46	46	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
47	47
48		-(% class="wikigeneratedid" %)
49		-== ==
50	50
51		-== 1.3 Example3: Use RS485-LN with energy meters ==
52	52
	65	+== 1.3 Example 3: Use RS485-LN with energy meters ==
	66	+
53	53	=== 1.3.1 OverView ===
54	54
	69	+
55	55	(((
56		-**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
	71	+(% style="color:red" %)**Note**：**The specifications of each energy meter are different, please refer to your own energy meter specifications.**
57	57	)))
58	58
59	59	(((
60	60	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
	76	+
	77	+
61	61	)))
62	62
63	63	[[image:image-20220527092419-5.png]]
64	64
65		-Connection1
	82	+**Connection1**
66	66
67	67
	85	+
68	68	(((
69		-How to connect with Energy Meter：
	87	+(% style="color:blue" %)**How to connect with Energy Meter：**
	88	+
	89	+
70	70	)))
71	71
72	72	(((
...	...	@@ -87,28 +87,31 @@
87	87
88	88	(((
89	89	Once there is power, the RS485-LN will be on.
	110	+
	111	+
90	90	)))
91	91
92	92	[[image:image-20220527092514-6.png]]
93	93
94		-Connection2
	116	+**Connection2**
95	95
96	96
97	97
98		-Connection3
	120	+[[image:image-20220527092555-7.png]]
99	99
	122	+**Connection3**
100	100
	124	+
101	101	=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
102	102
	127	+
103	103	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.
104	104
105		-[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
	130	+[[image:image-20220601143257-10.png]]
106	106
107		-(% class="box infomessage" %)
108		-(((
109		-Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
110		-)))
111	111
	133	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
	134	+
112	112	* The first byte : slave address code (=001～247)
113	113	* The second byte : read register value function code
114	114	* 3rd and 4th bytes: start address of register to be read
...	...	@@ -116,12 +116,12 @@
116	116	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
117	117
118	118	(((
	142	+
	143	+
	144	+
119	119	How to parse the reading of the return command of the parameter：
120		-)))
121	121
122		-(% class="box infomessage" %)
123		-(((
124		-Example:RETURN1：01 03 02 08 FD 7E 05
	147	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
125	125	)))
126	126
127	127	* The first byte ARD: slave address code (=001～254)
...	...	@@ -131,51 +131,66 @@
131	131	* The 6th and 7th bytes: CRC16 checksum
132	132	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
133	133
	157	+(% class="wikigeneratedid" %)
	158	+(((
	159	+
	160	+
	161	+
	162	+)))
	163	+
134	134	=== 1.3.3 How to configure RS485-LN and parse output commands ===
135	135
	166	+
136	136	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
137	137
138		-==== 1.3.3.1 via AT COMMAND: ====
139	139
140		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
	170	+==== 1.3.3.1 via AT COMMAND ====
141	141
	172	+
	173	+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.
	174	+
142	142	(((
143	143	If the configured parameters and commands are incorrect, the return value is not obtained.
	177	+
	178	+
144	144	)))
145	145
146		-[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
	181	+[[image:image-20220601143201-9.png]]
147	147
148		-AT COMMAND
	183	+**AT COMMAND**
149	149
	185	+
150	150	(% class="box infomessage" %)
151	151	(((
152		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	188	+ (% _mstmutation="1" %)**AT+DATACUTx **(%%):  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
153	153	)))
154	154
155		-a: length for the return of AT+COMMAND
	191	+a:  length for the return of AT+COMMAND
156	156
157		-b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
	193	+b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
158	158
159		-c: define the position for valid value.
	195	+c:  define the position for valid value.
160	160
161		-[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
	197	+[[image:image-20220601143115-8.png]]
162	162
163		-AT COMMAND
	199	+**AT COMMAND**
164	164
	201	+
	202	+
165	165	PAYLOAD is available after the valid value is intercepted.
166	166
	205	+[[image:image-20220601143046-7.png]]
167	167
168		-[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
	207	+**AT COMMAND**
169	169
170		-AT COMMAND
171	171
	210	+
172	172	You can get configured PAYLOAD on TTN.
173	173
	213	+[[image:image-20220601143519-1.png]]
174	174
175		-[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
176		-
177	177	(((
178		-AT COMMAND
	216	+**AT COMMAND**
179	179	)))
180	180
181	181	(((
...	...	@@ -183,63 +183,76 @@
183	183	)))
184	184
185	185	(((
186		-**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	224	+(% style="color:blue" %)**Example**:
	225	+
	226	+
	227	+(% style="color:red" %)**CMD1:**(%%) Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
187	187	)))
188	188
189	189	(((
190		-RETURN1:01 03 02 00 02 39 85 00 00(return data)
	231	+RETURN1: 01 03 02 00 02 39 85 00 00(return data)
191	191	)))
192	192
193	193	(((
194		-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.
	235	+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.
	236	+
	237	+
195	195	)))
196	196
197	197	(((
198		-CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
	241	+(% style="color:red" %)**CMD2: **(%%)Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
199	199	)))
200	200
201	201	(((
202		-RETURN2:01 03 02 08 DC BE 1D(return data)
	245	+RETURN2: 01 03 02 08 DC BE 1D(return data)
203	203	)))
204	204
205	205	(((
206		-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.
	249	+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.
	250	+
	251	+
207	207	)))
208	208
209	209	(((
210		-CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
	255	+(% style="color:red" %)**CMD3:**(%%) Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
211	211	)))
212	212
213	213	(((
214		-RETURN3:01 03 04 00 00 00 44 FA 00(return data)
	259	+RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
215	215	)))
216	216
217	217	(((
218		-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.
	263	+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.
219	219	)))
220	220
221	221	(((
222		-Payload:01 00 02 39 85 08 DC 00 00 00 44
	267	+Payload: 01 00 02 39 85 08 DC 00 00 00 44
	268	+
	269	+
223	223	)))
224	224
225		-[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
	272	+[[image:image-20220601142936-6.png]]
226	226
227	227	AT COMMAND
228	228
229		-01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
230	230
231	231
232		-[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]]
	278	+(% style="color:blue" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
233	233
	280	+
	281	+[[image:image-20220601143642-2.png]]
	282	+
234	234	AT COMMAND
235	235
236	236
	286	+
237	237	==== 1.3.3.2 via LoRaWAN DOWNLINK ====
238	238
239		-[[image:image-20220512104358-3.png]]
240	240
	290	+[[image:image-20220527093358-15.png]]
	291	+
241	241	(((
242		-DOWNLINK
	293	+**DOWNLINK**
243	243	)))
244	244
245	245	(((
...	...	@@ -247,7 +247,7 @@
247	247	)))
248	248
249	249	(((
250		-**Type Code 0xAF**
	301	+(% style="color:blue" %)**Type Code 0xAF**
251	251	)))
252	252
253	253	(((
...	...	@@ -258,7 +258,9 @@
258	258	)))
259	259
260	260	(((
261		-Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
	312	+(% style="color:red" %)**Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
	313	+
	314	+
262	262	)))
263	263
264	264	(((
...	...	@@ -294,40 +294,47 @@
294	294	)))
295	295
296	296	(((
297		-Example:
	350	+
	351	+
	352	+(% style="color:blue" %)**Example:**
298	298	)))
299	299
300	300	(((
301		-AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	356	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
302	302	)))
303	303
304		-[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
	359	+[[image:image-20220601144149-6.png]]
305	305
306		-DOWNLINK
	361	+**DOWNLINK**
307	307
308	308
309		-[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]]
310	310
311		-DOWNLINK
	365	+[[image:image-20220601143803-3.png]]
312	312
	367	+**DOWNLINK**
313	313
314		-[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
315	315
316		-DOWNLINK
317	317
	371	+[[image:image-20220601144053-5.png]]
318	318
319		-[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]]
	373	+**DOWNLINK**
320	320
321		-DOWNLINK
322	322
323	323
324		-[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
	377	+[[image:image-20220601143921-4.png]]
325	325
326		-DOWNLINK
327		-
	379	+**DOWNLINK**
328	328
	381	+
	382	+
	383	+[[image:image-20220601142805-5.png]]
	384	+
	385	+**DOWNLINK**
	386	+
	387	+
329	329	=== 1.3.4 How to configure and output commands for RS485 to USB ===
330	330
	390	+
331	331	(((
332	332	This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
333	333	)))
...	...	@@ -346,36 +346,47 @@
346	346
347	347	(((
348	348	check digit: Even
	409	+
	410	+
349	349	)))
350	350
351		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	413	+[[image:image-20220527093708-21.png]]
352	352
353		-USB
	415	+**USB**
354	354
355	355
356		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
357	357
358		-USB
	419	+[[image:image-20220527093747-22.png]]
359	359
	421	+**USB**
360	360
	423	+
	424	+
361	361	(((
362	362	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.
	427	+
	428	+
363	363	)))
364	364
365	365	(((
366		-**Example:**  input：01 03 00 31 00 02 95 c4
	432	+(% style="color:blue" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
367	367	)))
368	368
369	369	(((
370	370	output：01 03 04 00 00 00 42 7A 02
	437	+
	438	+
371	371	)))
372	372
373		-[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
	441	+[[image:image-20220527093821-23.png]]
374	374
375		-USB
	443	+**USB**
376	376
	445	+
	446	+
377	377	=== 1.3.5 How to configure multiple devices and modify device addresses ===
378	378
	449	+
379	379	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.
380	380
381	381	(((
...	...	@@ -384,14 +384,18 @@
384	384	)))
385	385	)))
386	386
387		-[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
	458	+[[image:image-20220601142044-1.png]]
388	388
389		-**Example**:These two meters are examples of setting parameters and device addresses.
390	390
391		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
	461	+(% style="color:blue" %)**Example**(%%): These two meters are examples of setting parameters and device addresses.
392	392
393		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
394	394
	464	+[[image:image-20220527093950-25.png]]
	465	+
	466	+
	467	+[[image:image-20220527094028-26.png]]
	468	+
	469	+
395	395	(((
396	396	(((
397	397	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.
...	...	@@ -400,7 +400,7 @@
400	400
401	401	(((
402	402	(((
403		-We can use AT+CFGDEV to set the device address.
	478	+We can use (% style="color:blue" %)**AT+CFGDEV**(%%) to set the device address.
404	404	)))
405	405	)))
406	406
...	...	@@ -410,14 +410,18 @@
410	410	)))
411	411	)))
412	412
413		-[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
	488	+[[image:image-20220601142354-2.png]]
414	414
415		-AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
416	416
417		-* 01:device adaress
	491	+(% class="box infomessage" %)
	492	+(((
	493	+**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
	494	+)))
418	418
419		-* 10:function code
	496	+* 01: device adaress
420	420
	498	+* 10: function code
	499	+
421	421	* 00 61：Register address
422	422
423	423	* 00 01：Number of Registers
...	...	@@ -434,43 +434,62 @@
434	434
435	435	Its default device address is 01, and the following are the parameters for configuring two energy meters.
436	436
437		-[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
	516	+[[image:image-20220601142452-3.png]]
438	438
439		-[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
440	440
441		-PAYLOAD:01 08 DF 43 62
	519	+[[image:image-20220601142607-4.png]]
442	442
	521	+
	522	+(% style="color:blue" %)**PAYLOAD: 01 08 DF 43 62**
	523	+
443	443	* 08 DF is the valid value of the meter with device address 02.
444	444	* 43 62 is the valid value of the meter with device address 01.
445	445
	527	+(% style="display:none" %) (%%)
	528	+
	529	+(% style="display:none" %) (%%)
	530	+
446	446	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
447	447
448		-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:
449	449
450		-[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
	534	+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.
451	451
	536	+The structure is like below:
	537	+
	538	+[[image:image-20220527094330-30.png]]
	539	+
452	452	Connection
453	453
454		-* [[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
455	455
	543	+* 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/||_mstmutation="1"]]
	544	+
	545	+
	546	+
456	456	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
457	457
	549	+
458	458	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:
459	459
460		-* [[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
	552	+* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
	553	+* 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||_mstmutation="1"]]
461	461
462		-* [[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
463	463
464		-== 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
465	465
	557	+== 1.6 Example 6: CEM C31 485-T1-MID Energy Meter with RS485-LN ==
	558	+
	559	+
466	466	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:
467	467
468		-* [[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
	562	+* 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||_mstmutation="1" style="background-color: rgb(255, 255, 255);"]]
469	469
470		-== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
471	471
472		-[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
473	473
	566	+== 1.7 Example 7: Schneider Electric PLC M221 with RS485-BL ==
	567	+
	568	+
	569	+[[image:image-20220527094556-31.png]]
	570	+
474	474	Network Structure
475	475
	573	+
476	476	* [[Reference Instruction>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Schneider%20Electric%20PLC/]]

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