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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
...	...	@@ -33,12 +33,12 @@
33	33
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]]
	28	+[[image:https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]
37	37
38	38	Connection
39	39
40	40
41		-[[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"]]
42	42
43	43	Connection
44	44
...	...	@@ -45,8 +45,6 @@
45	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
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		-== ==
49		-
50	50	== 1.3 Example3: Use RS485-LN with energy meters ==
51	51
52	52	=== 1.3.1 OverView ===
...	...	@@ -59,41 +59,28 @@
59	59	This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter.
60	60	)))
61	61
62		-[[image:image-20220527092419-5.png]]
	52	+[[image:https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]
63	63
64	64	Connection1
65	65
66		-
67		-(((
68	68	How to connect with Energy Meter：
69		-)))
70	70
71		-(((
72	72	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		-)))
74	74
75		-(((
76	76	The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
77		-)))
78	78
79		-(((
80	80	Power Source VIN to RS485-LN VIN+
81		-)))
82	82
83		-(((
84	84	Power Source GND to RS485-LN VIN-
85		-)))
86	86
87		-(((
88	88	Once there is power, the RS485-LN will be on.
89		-)))
90	90
91		-[[image:image-20220527092514-6.png]]
	68	+[[image:https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]
92	92
93	93	Connection2
94	94
95	95
96		-[[image:image-20220527092555-7.png]]
	73	+[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="712" width="534"]]
97	97
98	98	Connection3
99	99
...	...	@@ -102,12 +102,11 @@
102	102
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:image-20220527092629-8.png]]
	82	+[[image:https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]
106	106
107		-
108	108	(% class="box infomessage" %)
109	109	(((
110		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
	86	+Example:AT+COMMAND1=01 03 00 00 00 01 84 0A
111	111	)))
112	112
113	113	* The first byte : slave address code (=001～247)
...	...	@@ -122,7 +122,7 @@
122	122
123	123	(% class="box infomessage" %)
124	124	(((
125		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	101	+Example:RETURN1：01 03 02 08 FD 7E 05
126	126	)))
127	127
128	128	* The first byte ARD: slave address code (=001～254)
...	...	@@ -132,16 +132,10 @@
132	132	* The 6th and 7th bytes: CRC16 checksum
133	133	* 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage.
134	134
135		-(% class="wikigeneratedid" %)
136		-(((
137		-
138		-)))
139		-
140	140	=== 1.3.3 How to configure RS485-LN and parse output commands ===
141	141
142	142	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
143	143
144		-
145	145	==== 1.3.3.1 via AT COMMAND: ====
146	146
147	147	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
...	...	@@ -150,14 +150,13 @@
150	150	If the configured parameters and commands are incorrect, the return value is not obtained.
151	151	)))
152	152
153		-[[image:image-20220527092748-9.png]]
	123	+[[image:https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]
154	154
155	155	AT COMMAND
156	156
157		-
158	158	(% class="box infomessage" %)
159	159	(((
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
	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
161	161	)))
162	162
163	163	a: length for the return of AT+COMMAND
...	...	@@ -166,23 +166,22 @@
166	166
167	167	c: define the position for valid value.
168	168
169		-[[image:image-20220527092936-10.png]]
	138	+[[image:https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]
170	170
171	171	AT COMMAND
172	172
173		-
174	174	PAYLOAD is available after the valid value is intercepted.
175	175
176	176
177		-[[image:image-20220527093059-11.png]]
	145	+[[image:https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]
178	178
179	179	AT COMMAND
180	180
181		-
182	182	You can get configured PAYLOAD on TTN.
183	183
184		-[[image:image-20220527093133-12.png]]
185	185
	152	+[[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]
	153	+
186	186	(((
187	187	AT COMMAND
188	188	)))
...	...	@@ -231,14 +231,14 @@
231	231	Payload:01 00 02 39 85 08 DC 00 00 00 44
232	232	)))
233	233
234		-[[image:image-20220527093204-13.png]]
	202	+[[image:https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]
235	235
236	236	AT COMMAND
237	237
	206	+01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.
238	238
239		-(% 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.**
240	240
241		-[[image:image-20220527093251-14.png]]
	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]]
242	242
243	243	AT COMMAND
244	244
...	...	@@ -245,7 +245,7 @@
245	245
246	246	==== 1.3.3.2 via LoRaWAN DOWNLINK ====
247	247
248		-[[image:image-20220527093358-15.png]]
	216	+[[image:https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]
249	249
250	250	(((
251	251	DOWNLINK
...	...	@@ -256,15 +256,12 @@
256	256	)))
257	257
258	258	(((
259		-**Type Code 0xAF**
	227	+Type Code 0xAF
260	260	)))
261	261
262	262	(((
263		-(% class="box infomessage" %)
264		-(((
265	265	0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
266	266	)))
267		-)))
268	268
269	269	(((
270	270	Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
...	...	@@ -310,27 +310,27 @@
310	310	AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
311	311	)))
312	312
313		-[[image:image-20220527093430-16.png]]
	278	+[[image:https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]
314	314
315	315	DOWNLINK
316	316
317	317
318		-[[image:image-20220527093508-17.png]]
	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]]
319	319
320	320	DOWNLINK
321	321
322	322
323		-[[image:image-20220527093530-18.png]]
	288	+[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]]
324	324
325	325	DOWNLINK
326	326
327	327
328		-[[image:image-20220527093607-19.png]]
	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]]
329	329
330	330	DOWNLINK
331	331
332	332
333		-[[image:image-20220527093628-20.png]]
	298	+[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]]
334	334
335	335	DOWNLINK
336	336
...	...	@@ -357,12 +357,12 @@
357	357	check digit: Even
358	358	)))
359	359
360		-[[image:image-20220527093708-21.png]]
	325	+[[image:https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="725" width="544"]]
361	361
362	362	USB
363	363
364	364
365		-[[image:image-20220527093747-22.png]]
	330	+[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="728" width="546"]]
366	366
367	367	USB
368	368
...	...	@@ -376,14 +376,13 @@
376	376	)))
377	377
378	378	(((
379		- output：01 03 04 00 00 00 42 7A 02
	344	+ output:01 03 04 00 00 00 42 7A 02
380	380	)))
381	381
382		-[[image:image-20220527093821-23.png]]
	347	+[[image:https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]
383	383
384	384	USB
385	385
386		-
387	387	=== 1.3.5 How to configure multiple devices and modify device addresses ===
388	388
389	389	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.
...	...	@@ -394,14 +394,13 @@
394	394	)))
395	395	)))
396	396
397		-[[image:image-20220527093849-24.png]]
	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"]]
398	398
399		-
400	400	**Example**:These two meters are examples of setting parameters and device addresses.
401	401
402		-[[image:image-20220527093950-25.png]]
	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"]]
403	403
404		-[[image:image-20220527094028-26.png]]
	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"]]
405	405
406	406	(((
407	407	(((
...	...	@@ -421,12 +421,9 @@
421	421	)))
422	422	)))
423	423
424		-[[image:image-20220527094100-27.png]]
	387	+[[image:https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]
425	425
426		-(% class="box infomessage" %)
427		-(((
428		-**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1**
429		-)))
	389	+AT+CFGDEV:01 10 00 61 00 01 02 00 02,1
430	430
431	431	* 01:device adaress
432	432
...	...	@@ -448,11 +448,10 @@
448	448
449	449	Its default device address is 01, and the following are the parameters for configuring two energy meters.
450	450
451		-[[image:image-20220527094150-28.png]]
	411	+[[image:https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]
452	452
	413	+[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]]
453	453
454		-[[image:image-20220527094224-29.png]]
455		-
456	456	PAYLOAD:01 08 DF 43 62
457	457
458	458	* 08 DF is the valid value of the meter with device address 02.
...	...	@@ -462,7 +462,7 @@
462	462
463	463	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:
464	464
465		-[[image:image-20220527094330-30.png]]
	424	+[[image:https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]
466	466
467	467	Connection
468	468
...	...	@@ -484,7 +484,7 @@
484	484
485	485	== 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
486	486
487		-[[image:image-20220527094556-31.png]]
	446	+[[image:https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]
488	488
489	489	Network Structure
490	490

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