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3	3
4	4	{{toc/}}
5	5
6		-
7		-
8		-
9		-
10		-
11	11	= 1. Introduction =
12	12
13	13	This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
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34	34	* [[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	35	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
36	36
	32	+
37	37	== 1.2 Example 2: Connect to Pulse Counter ==
38	38
39	39	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:
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142	142
143	143	)))
144	144
145		-=== **1.3.3 How to configure RS485-LN and parse output commands** ===
	141	+=== 1.3.3 How to configure RS485-LN and parse output commands ===
146	146
147	147	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
148	148
149	149
150		-==== **1.3.3.1 via AT COMMAND:** ====
	146	+==== 1.3.3.1 via AT COMMAND: ====
151	151
152	152	First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
153	153
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197	197	)))
198	198
199	199	(((
200		-(% style="color:#4f81bd" %)**Example**:
201		-
202		-CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	196	+**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
203	203	)))
204	204
205	205	(((
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208	208
209	209	(((
210	210	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.
211		-
212		-
213	213	)))
214	214
215	215	(((
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222	222
223	223	(((
224	224	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.
225		-
226		-
227	227	)))
228	228
229	229	(((
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254	254	AT COMMAND
255	255
256	256
257		-==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
	247	+==== 1.3.3.2 via LoRaWAN DOWNLINK ====
258	258
259	259	[[image:image-20220527093358-15.png]]
260	260
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267	267	)))
268	268
269	269	(((
270		-(% style="color:#4f81bd" %)**Type Code 0xAF**
	260	+**Type Code 0xAF**
271	271	)))
272	272
273	273	(((
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314	314	)))
315	315
316	316	(((
317		-(% style="color:#4f81bd" %)**Example:**
	307	+Example:
318	318	)))
319	319
320	320	(((
321		-**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
	311	+AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
322	322	)))
323	323
324	324	[[image:image-20220527093430-16.png]]
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346	346	DOWNLINK
347	347
348	348
349		-=== **1.3.4 How to configure and output commands for RS485 to USB** ===
	339	+=== 1.3.4 How to configure and output commands for RS485 to USB ===
350	350
351	351	(((
352	352	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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383	383	)))
384	384
385	385	(((
386		-(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
	376	+**Example:**  input：01 03 00 31 00 02 95 c4
387	387	)))
388	388
389	389	(((
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395	395	USB
396	396
397	397
398		-=== **1.3.5 How to configure multiple devices and modify device addresses** ===
	388	+=== 1.3.5 How to configure multiple devices and modify device addresses ===
399	399
400	400	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.
401	401
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464	464
465	465	[[image:image-20220527094224-29.png]]
466	466
467		-**PAYLOAD:01 08 DF 43 62**
	457	+PAYLOAD:01 08 DF 43 62
468	468
469	469	* 08 DF is the valid value of the meter with device address 02.
470	470	* 43 62 is the valid value of the meter with device address 01.
471	471
472		-
473		-
474	474	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
475	475
476	476	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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481	481
482	482	* [[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
483	483
484		-
485		-
486	486	== 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
487	487
488	488	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: