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1		-(% class="wikigeneratedid" %)
2		- **Contents:**
3		-
4		-{{toc/}}
5		-
6	6	= 1. Introduction =
7	7
8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9	9
10		-
11	11	== 1.1 Example 1: Connect to Leak relay and VFD ==
12	12
13	13	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:
14	14
15		-[[image:image-20220527091852-1.png]]
	9	+[[image:https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]
16	16
17	17	Connection
18	18
19	19
	14	+[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %)
20	20
21		-[[image:image-20220527091942-2.png]](% style="display:none" %)
22		-
23	23	Connection
24	24
25		-
26	26	Related documents:
27	27
28	28	* [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure
...	...	@@ -29,17 +29,16 @@
29	29	* [[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.
30	30	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
31	31
32		-
33	33	== 1.2 Example 2: Connect to Pulse Counter ==
34	34
35	35	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:
36	36
37		-[[image:image-20220527092058-3.png]]
	28	+[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
38	38
39	39	Connection
40	40
41	41
42		-[[image:image-20220527092146-4.png]]
	33	+[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]]
43	43
44	44	Connection
45	45
...	...	@@ -46,8 +46,6 @@
46	46	* [[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
47	47	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
48	48
49		-== ==
50		-
51	51	== 1.3 Example3: Use RS485-LN with energy meters ==
52	52
53	53	=== 1.3.1 OverView ===
...	...	@@ -60,11 +60,10 @@
60	60	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
61	61	)))
62	62
63		-[[image:image-20220527092419-5.png]]
	52	+[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
64	64
65	65	Connection1
66	66
67		-
68	68	(((
69	69	How to connect with Energy Meter：
70	70	)))
...	...	@@ -89,12 +89,12 @@
89	89	Once there is power, the RS485-LN will be on.
90	90	)))
91	91
92		-[[image:image-20220527092514-6.png]]
	80	+[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
93	93
94	94	Connection2
95	95
96	96
97		-[[image:image-20220527092555-7.png]]
	85	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
98	98
99	99	Connection3
100	100
...	...	@@ -103,12 +103,11 @@
103	103
104	104	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.
105	105
106		-[[image:image-20220527092629-8.png]]
	94	+[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
107	107
108		-
109	109	(% class="box infomessage" %)
110	110	(((
111		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
	98	+Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
112	112	)))
113	113
114	114	* The first byte : slave address code (=001～247)
...	...	@@ -123,7 +123,7 @@
123	123
124	124	(% class="box infomessage" %)
125	125	(((
126		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	113	+Example:RETURN1：01 03 02 08 FD 7E 05
127	127	)))
128	128
129	129	* The first byte ARD: slave address code (=001～254)
...	...	@@ -133,16 +133,10 @@
133	133	* The 6th and 7th bytes: CRC16 checksum
134	134	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
135	135
136		-(% class="wikigeneratedid" %)
137		-(((
138		-
139		-)))
140		-
141	141	=== 1.3.3 How to configure RS485-LN and parse output commands ===
142	142
143	143	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
144	144
145		-
146	146	==== 1.3.3.1 via AT COMMAND: ====
147	147
148	148	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
...	...	@@ -151,14 +151,13 @@
151	151	If the configured parameters and commands are incorrect, the return value is not obtained.
152	152	)))
153	153
154		-[[image:image-20220527092748-9.png]]
	135	+[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
155	155
156	156	AT COMMAND
157	157
158		-
159	159	(% class="box infomessage" %)
160	160	(((
161		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	141	+ AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
162	162	)))
163	163
164	164	a: length for the return of AT+COMMAND
...	...	@@ -167,23 +167,22 @@
167	167
168	168	c: define the position for valid value.
169	169
170		-[[image:image-20220527092936-10.png]]
	150	+[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
171	171
172	172	AT COMMAND
173	173
174		-
175	175	PAYLOAD is available after the valid value is intercepted.
176	176
177	177
178		-[[image:image-20220527093059-11.png]]
	157	+[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
179	179
180	180	AT COMMAND
181	181
182		-
183	183	You can get configured PAYLOAD on TTN.
184	184
185		-[[image:image-20220527093133-12.png]]
186	186
	164	+[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
	165	+
187	187	(((
188	188	AT COMMAND
189	189	)))
...	...	@@ -232,14 +232,14 @@
232	232	Payload:01 00 02 39 85 08 DC 00 00 00 44
233	233	)))
234	234
235		-[[image:image-20220527093204-13.png]]
	214	+[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
236	236
237	237	AT COMMAND
238	238
	218	+01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
239	239
240		-(% 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.**
241	241
242		-[[image:image-20220527093251-14.png]]
	221	+[[~[~[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]]
243	243
244	244	AT COMMAND
245	245
...	...	@@ -246,7 +246,7 @@
246	246
247	247	==== 1.3.3.2 via LoRaWAN DOWNLINK ====
248	248
249		-[[image:image-20220527093358-15.png]]
	228	+[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
250	250
251	251	(((
252	252	DOWNLINK
...	...	@@ -257,15 +257,12 @@
257	257	)))
258	258
259	259	(((
260		-**Type Code 0xAF**
	239	+Type Code 0xAF
261	261	)))
262	262
263	263	(((
264		-(% class="box infomessage" %)
265		-(((
266	266	0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
267	267	)))
268		-)))
269	269
270	270	(((
271	271	Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
...	...	@@ -311,27 +311,27 @@
311	311	AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
312	312	)))
313	313
314		-[[image:image-20220527093430-16.png]]
	290	+[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
315	315
316	316	DOWNLINK
317	317
318	318
319		-[[image:image-20220527093508-17.png]]
	295	+[[~[~[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]]
320	320
321	321	DOWNLINK
322	322
323	323
324		-[[image:image-20220527093530-18.png]]
	300	+[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
325	325
326	326	DOWNLINK
327	327
328	328
329		-[[image:image-20220527093607-19.png]]
	305	+[[~[~[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]]
330	330
331	331	DOWNLINK
332	332
333	333
334		-[[image:image-20220527093628-20.png]]
	310	+[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
335	335
336	336	DOWNLINK
337	337
...	...	@@ -358,12 +358,12 @@
358	358	check digit: Even
359	359	)))
360	360
361		-[[image:image-20220527093708-21.png]]
	337	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
362	362
363	363	USB
364	364
365	365
366		-[[image:image-20220527093747-22.png]]
	342	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
367	367
368	368	USB
369	369
...	...	@@ -377,14 +377,13 @@
377	377	)))
378	378
379	379	(((
380		- output：01 03 04 00 00 00 42 7A 02
	356	+ output:01 03 04 00 00 00 42 7A 02
381	381	)))
382	382
383		-[[image:image-20220527093821-23.png]]
	359	+[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
384	384
385	385	USB
386	386
387		-
388	388	=== 1.3.5 How to configure multiple devices and modify device addresses ===
389	389
390	390	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.
...	...	@@ -395,14 +395,13 @@
395	395	)))
396	396	)))
397	397
398		-[[image:image-20220527093849-24.png]]
	373	+[[image:https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]
399	399
400		-
401	401	**Example**:These two meters are examples of setting parameters and device addresses.
402	402
403		-[[image:image-20220527093950-25.png]]
	377	+[[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Double meter1.jpg" height="737" width="553"]]
404	404
405		-[[image:image-20220527094028-26.png]]
	379	+[[image:https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="733" width="550"]]
406	406
407	407	(((
408	408	(((
...	...	@@ -422,12 +422,9 @@
422	422	)))
423	423	)))
424	424
425		-[[image:image-20220527094100-27.png]]
	399	+[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
426	426
427		-(% class="box infomessage" %)
428		-(((
429		-**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
430		-)))
	401	+AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
431	431
432	432	* 01:device adaress
433	433
...	...	@@ -449,11 +449,10 @@
449	449
450	450	Its default device address is 01, and the following are the parameters for configuring two energy meters.
451	451
452		-[[image:image-20220527094150-28.png]]
	423	+[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
453	453
	425	+[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
454	454
455		-[[image:image-20220527094224-29.png]]
456		-
457	457	PAYLOAD:01 08 DF 43 62
458	458
459	459	* 08 DF is the valid value of the meter with device address 02.
...	...	@@ -463,7 +463,7 @@
463	463
464	464	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:
465	465
466		-[[image:image-20220527094330-30.png]]
	436	+[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
467	467
468	468	Connection
469	469
...	...	@@ -485,7 +485,7 @@
485	485
486	486	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
487	487
488		-[[image:image-20220527094556-31.png]]
	458	+[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
489	489
490	490	Network Structure
491	491

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