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3	3
4	4	{{toc/}}
5	5
6		-= 1. Introduction =
7	7
	7	+
	8	+
	9	+
	10	+
	11	+= **1. Introduction** =
	12	+
8	8	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
9	9
10	10
11		-== 1.1 Example 1: Connect to Leak relay and VFD ==
	16	+== **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
...	...	@@ -30,8 +30,9 @@
30	30	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
31	31
32	32
33		-== 1.2 Example 2: Connect to Pulse Counter ==
34	34
	39	+== **1.2 Example 2: Connect to Pulse Counter** ==
	40	+
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	37	[[image:image-20220527092058-3.png]]
...	...	@@ -39,18 +39,20 @@
39	39	Connection
40	40
41	41
	48	+
42	42	[[image:image-20220527092146-4.png]]
43	43
44	44	Connection
45	45
	53	+
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	49	== ==
50	50
51		-== 1.3 Example3: Use RS485-LN with energy meters ==
	59	+== **1.3 Example3: Use RS485-LN with energy meters** ==
52	52
53		-=== 1.3.1 OverView ===
	61	+=== **1.3.1 OverView** ===
54	54
55	55	(((
56	56	**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
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65	65	Connection1
66	66
67	67
	76	+
68	68	(((
69	69	How to connect with Energy Meter：
70	70	)))
...	...	@@ -94,12 +94,13 @@
94	94	Connection2
95	95
96	96
	106	+
97	97	[[image:image-20220527092555-7.png]]
98	98
99	99	Connection3
100	100
101	101
102		-=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
	112	+=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
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
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138	138
139	139	)))
140	140
141		-=== 1.3.3 How to configure RS485-LN and parse output commands ===
	151	+=== **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	145
146		-==== 1.3.3.1 via AT COMMAND: ====
	156	+==== **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.
149	149
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161	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
162	162	)))
163	163
164		-a: length for the return of AT+COMMAND
	174	+a:  length for the return of AT+COMMAND
165	165
166		-b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
	176	+b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
167	167
168		-c: define the position for valid value.
	178	+c:  define the position for valid value.
169	169
170	170	[[image:image-20220527092936-10.png]]
171	171
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172	172	AT COMMAND
173	173
174	174
	185	+
175	175	PAYLOAD is available after the valid value is intercepted.
176	176
177	177
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180	180	AT COMMAND
181	181
182	182
	194	+
183	183	You can get configured PAYLOAD on TTN.
184	184
185	185	[[image:image-20220527093133-12.png]]
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193	193	)))
194	194
195	195	(((
196		-**Example**:
	208	+(% style="color:#4f81bd" %)**Example**:
197	197
198	198	CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
199	199	)))
...	...	@@ -250,7 +250,7 @@
250	250	AT COMMAND
251	251
252	252
253		-==== 1.3.3.2 via LoRaWAN DOWNLINK ====
	265	+==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
254	254
255	255	[[image:image-20220527093358-15.png]]
256	256
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263	263	)))
264	264
265	265	(((
266		-**Type Code 0xAF**
	278	+(% style="color:#4f81bd" %)**Type Code 0xAF**
267	267	)))
268	268
269	269	(((
...	...	@@ -310,11 +310,11 @@
310	310	)))
311	311
312	312	(((
313		-Example:
	325	+(% style="color:#4f81bd" %)**Example:**
314	314	)))
315	315
316	316	(((
317		-AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	329	+**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
318	318	)))
319	319
320	320	[[image:image-20220527093430-16.png]]
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342	342	DOWNLINK
343	343
344	344
345		-=== 1.3.4 How to configure and output commands for RS485 to USB ===
	357	+=== **1.3.4 How to configure and output commands for RS485 to USB** ===
346	346
347	347	(((
348	348	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.
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379	379	)))
380	380
381	381	(((
382		-**Example:**  input：01 03 00 31 00 02 95 c4
	394	+(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
383	383	)))
384	384
385	385	(((
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391	391	USB
392	392
393	393
394		-=== 1.3.5 How to configure multiple devices and modify device addresses ===
	406	+=== **1.3.5 How to configure multiple devices and modify device addresses** ===
395	395
396	396	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.
397	397
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460	460
461	461	[[image:image-20220527094224-29.png]]
462	462
463		-PAYLOAD:01 08 DF 43 62
	475	+**PAYLOAD:01 08 DF 43 62**
464	464
465	465	* 08 DF is the valid value of the meter with device address 02.
466	466	* 43 62 is the valid value of the meter with device address 01.
467	467
	480	+
468	468	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
469	469
470	470	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:
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475	475
476	476	* [[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
477	477
	491	+
478	478	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
479	479
480	480	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: