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Content

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	1	+(% class="wikigeneratedid" %)
	2	+ **Contents:**
	3	+
	4	+{{toc/}}
	5	+
1	1	= 1. Introduction =
2	2
3	3	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
4	4
	10	+
5	5	== 1.1 Example 1: Connect to Leak relay and VFD ==
6	6
7	7	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:
8	8
9		-[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
	15	+[[image:image-20220527091852-1.png]]
10	10
11	11	Connection
12	12
13	13
14		-[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
15	15
	21	+[[image:image-20220527091942-2.png]](% style="display:none" %)
	22	+
16	16	Connection
17	17
	25	+
18	18	Related documents:
19	19
20	20	* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
...	...	@@ -25,12 +25,12 @@
25	25
26	26	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:
27	27
28		-[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
	36	+[[image:image-20220527092058-3.png]]
29	29
30	30	Connection
31	31
32	32
33		-[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
	41	+[[image:image-20220527092146-4.png]]
34	34
35	35	Connection
36	36
...	...	@@ -37,6 +37,8 @@
37	37	* [[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
38	38	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
39	39
	48	+== ==
	49	+
40	40	== 1.3 Example3: Use RS485-LN with energy meters ==
41	41
42	42	=== 1.3.1 OverView ===
...	...	@@ -49,28 +49,41 @@
49	49	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
50	50	)))
51	51
52		-[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
	62	+[[image:image-20220527092419-5.png]]
53	53
54	54	Connection1
55	55
	66	+
	67	+(((
56	56	How to connect with Energy Meter：
	69	+)))
57	57
	71	+(((
58	58	Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively.
	73	+)))
59	59
	75	+(((
60	60	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
	77	+)))
61	61
	79	+(((
62	62	Power Source VIN to RS485-LN VIN+
	81	+)))
63	63
	83	+(((
64	64	Power Source GND to RS485-LN VIN-
	85	+)))
65	65
	87	+(((
66	66	Once there is power, the RS485-LN will be on.
	89	+)))
67	67
68		-[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
	91	+[[image:image-20220527092514-6.png]]
69	69
70	70	Connection2
71	71
72	72
73		-[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
	96	+[[image:image-20220527092555-7.png]]
74	74
75	75	Connection3
76	76
...	...	@@ -79,11 +79,12 @@
79	79
80	80	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.
81	81
82		-[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
	105	+[[image:image-20220527092629-8.png]]
83	83
	107	+
84	84	(% class="box infomessage" %)
85	85	(((
86		-Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
	110	+**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
87	87	)))
88	88
89	89	* The first byte : slave address code (=001～247)
...	...	@@ -98,7 +98,7 @@
98	98
99	99	(% class="box infomessage" %)
100	100	(((
101		-Example:RETURN1：01 03 02 08 FD 7E 05
	125	+**Example:** RETURN1：01 03 02 08 FD 7E 05
102	102	)))
103	103
104	104	* The first byte ARD: slave address code (=001～254)
...	...	@@ -108,10 +108,16 @@
108	108	* The 6th and 7th bytes: CRC16 checksum
109	109	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
110	110
	135	+(% class="wikigeneratedid" %)
	136	+(((
	137	+
	138	+)))
	139	+
111	111	=== 1.3.3 How to configure RS485-LN and parse output commands ===
112	112
113	113	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
114	114
	144	+
115	115	==== 1.3.3.1 via AT COMMAND: ====
116	116
117	117	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
...	...	@@ -120,13 +120,14 @@
120	120	If the configured parameters and commands are incorrect, the return value is not obtained.
121	121	)))
122	122
123		-[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
	153	+[[image:image-20220527092748-9.png]]
124	124
125	125	AT COMMAND
126	126
	157	+
127	127	(% class="box infomessage" %)
128	128	(((
129		-AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	160	+ AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
130	130	)))
131	131
132	132	a: length for the return of AT+COMMAND
...	...	@@ -135,22 +135,23 @@
135	135
136	136	c: define the position for valid value.
137	137
138		-[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
	169	+[[image:image-20220527092936-10.png]]
139	139
140	140	AT COMMAND
141	141
	173	+
142	142	PAYLOAD is available after the valid value is intercepted.
143	143
144	144
145		-[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
	177	+[[image:image-20220527093059-11.png]]
146	146
147	147	AT COMMAND
148	148
	181	+
149	149	You can get configured PAYLOAD on TTN.
150	150
	184	+[[image:image-20220527093133-12.png]]
151	151
152		-[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
153		-
154	154	(((
155	155	AT COMMAND
156	156	)))
...	...	@@ -160,7 +160,9 @@
160	160	)))
161	161
162	162	(((
163		-**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	195	+(% style="color:#4f81bd" %)**Example**:
	196	+
	197	+CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
164	164	)))
165	165
166	166	(((
...	...	@@ -169,6 +169,8 @@
169	169
170	170	(((
171	171	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.
	206	+
	207	+
172	172	)))
173	173
174	174	(((
...	...	@@ -181,6 +181,8 @@
181	181
182	182	(((
183	183	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.
	220	+
	221	+
184	184	)))
185	185
186	186	(((
...	...	@@ -199,14 +199,14 @@
199	199	Payload:01 00 02 39 85 08 DC 00 00 00 44
200	200	)))
201	201
202		-[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
	240	+[[image:image-20220527093204-13.png]]
203	203
204	204	AT COMMAND
205	205
206		-01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
207	207
	245	+(% 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.**
208	208
209		-[[~[~[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]]
	247	+[[image:image-20220527093251-14.png]]
210	210
211	211	AT COMMAND
212	212
...	...	@@ -213,7 +213,7 @@
213	213
214	214	==== 1.3.3.2 via LoRaWAN DOWNLINK ====
215	215
216		-[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
	254	+[[image:image-20220527093358-15.png]]
217	217
218	218	(((
219	219	DOWNLINK
...	...	@@ -224,12 +224,15 @@
224	224	)))
225	225
226	226	(((
227		-Type Code 0xAF
	265	+(% style="color:#4f81bd" %)**Type Code 0xAF**
228	228	)))
229	229
230	230	(((
	269	+(% class="box infomessage" %)
	270	+(((
231	231	0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
232	232	)))
	273	+)))
233	233
234	234	(((
235	235	Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
...	...	@@ -268,34 +268,34 @@
268	268	)))
269	269
270	270	(((
271		-Example:
	312	+(% style="color:#4f81bd" %)**Example:**
272	272	)))
273	273
274	274	(((
275		-AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	316	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
276	276	)))
277	277
278		-[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
	319	+[[image:image-20220527093430-16.png]]
279	279
280	280	DOWNLINK
281	281
282	282
283		-[[~[~[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]]
	324	+[[image:image-20220527093508-17.png]]
284	284
285	285	DOWNLINK
286	286
287	287
288		-[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
	329	+[[image:image-20220527093530-18.png]]
289	289
290	290	DOWNLINK
291	291
292	292
293		-[[~[~[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]]
	334	+[[image:image-20220527093607-19.png]]
294	294
295	295	DOWNLINK
296	296
297	297
298		-[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
	339	+[[image:image-20220527093628-20.png]]
299	299
300	300	DOWNLINK
301	301
...	...	@@ -322,12 +322,12 @@
322	322	check digit: Even
323	323	)))
324	324
325		-[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
	366	+[[image:image-20220527093708-21.png]]
326	326
327	327	USB
328	328
329	329
330		-[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
	371	+[[image:image-20220527093747-22.png]]
331	331
332	332	USB
333	333
...	...	@@ -337,17 +337,18 @@
337	337	)))
338	338
339	339	(((
340		-**Example:**  input：01 03 00 31 00 02 95 c4
	381	+(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
341	341	)))
342	342
343	343	(((
344		- output:01 03 04 00 00 00 42 7A 02
	385	+ output：01 03 04 00 00 00 42 7A 02
345	345	)))
346	346
347		-[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
	388	+[[image:image-20220527093821-23.png]]
348	348
349	349	USB
350	350
	392	+
351	351	=== 1.3.5 How to configure multiple devices and modify device addresses ===
352	352
353	353	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.
...	...	@@ -358,13 +358,14 @@
358	358	)))
359	359	)))
360	360
361		-[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
	403	+[[image:image-20220527093849-24.png]]
362	362
	405	+
363	363	**Example**:These two meters are examples of setting parameters and device addresses.
364	364
365		-[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
	408	+[[image:image-20220527093950-25.png]]
366	366
367		-[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
	410	+[[image:image-20220527094028-26.png]]
368	368
369	369	(((
370	370	(((
...	...	@@ -384,9 +384,12 @@
384	384	)))
385	385	)))
386	386
387		-[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
	430	+[[image:image-20220527094100-27.png]]
388	388
389		-AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
	432	+(% class="box infomessage" %)
	433	+(((
	434	+**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
	435	+)))
390	390
391	391	* 01:device adaress
392	392
...	...	@@ -408,10 +408,11 @@
408	408
409	409	Its default device address is 01, and the following are the parameters for configuring two energy meters.
410	410
411		-[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
	457	+[[image:image-20220527094150-28.png]]
412	412
413		-[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
414	414
	460	+[[image:image-20220527094224-29.png]]
	461	+
415	415	PAYLOAD:01 08 DF 43 62
416	416
417	417	* 08 DF is the valid value of the meter with device address 02.
...	...	@@ -421,7 +421,7 @@
421	421
422	422	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:
423	423
424		-[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
	471	+[[image:image-20220527094330-30.png]]
425	425
426	426	Connection
427	427
...	...	@@ -443,7 +443,7 @@
443	443
444	444	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
445	445
446		-[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
	493	+[[image:image-20220527094556-31.png]]
447	447
448	448	Network Structure
449	449

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