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1	1	(% class="wikigeneratedid" %)
2		- ** Table of** **Contents:**
	2	+*
	3	+** Table of** **Contents:
3	3
4	4	{{toc/}}
5	5
...	...	@@ -36,13 +36,12 @@
36	36	* [[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.
37	37	* [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
38	38
39		-
40		-
41		-
42	42	== **1.2 Example 2: Connect to Pulse Counter** ==
43	43
	42	+
44	44	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:
45	45
	45	+
46	46	[[image:image-20220527092058-3.png]]
47	47
48	48	Connection
...	...	@@ -54,17 +54,16 @@
54	54	Connection
55	55
56	56
57		-* [[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
	57	+* Configure Document: [[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/]]
58	58	* [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
59	59
60		-== ==
61		-
62	62	== **1.3 Example3: Use RS485-LN with energy meters** ==
63	63
64	64	=== **1.3.1 OverView** ===
65	65
	64	+
66	66	(((
67		-**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
	66	+(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
68	68	)))
69	69
70	70	(((
...	...	@@ -78,7 +78,9 @@
78	78
79	79
80	80	(((
81		-How to connect with Energy Meter：
	80	+**How to connect with Energy Meter：**
	81	+
	82	+
82	82	)))
83	83
84	84	(((
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114	114
115	115	=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
116	116
	118	+
117	117	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.
118	118
119	119	[[image:image-20220601143257-10.png]]
120	120
121	121
122		-(% class="box infomessage" %)
123		-(((
124		-**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
125		-)))
	124	+(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
126	126
127	127	* The first byte : slave address code (=001～247)
128	128	* The second byte : read register value function code
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131	131	* 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
132	132
133	133	(((
	133	+
	134	+
	135	+
134	134	How to parse the reading of the return command of the parameter：
135		-)))
136	136
137		-(% class="box infomessage" %)
138		-(((
139		-**Example:** RETURN1：01 03 02 08 FD 7E 05
	138	+(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
140	140	)))
141	141
142	142	* The first byte ARD: slave address code (=001～254)
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149	149	(% class="wikigeneratedid" %)
150	150	(((
151	151
	151	+
	152	+
	153	+
152	152	)))
153	153
154	154	=== **1.3.3 How to configure RS485-LN and parse output commands** ===
155	155
	158	+
156	156	RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
157	157
158	158
159		-==== **1.3.3.1 via AT COMMAND:** ====
	162	+==== **1.3.3.1 via AT COMMAND** ====
160	160
161		-First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
162	162
	165	+First, we can use (% style="color:blue" %)**AT+CFGDEV**(%%) to get the return value, and we can also judge whether the input parameters are correct.
	166	+
163	163	(((
164	164	If the configured parameters and commands are incorrect, the return value is not obtained.
165	165	)))
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171	171
172	172	(% class="box infomessage" %)
173	173	(((
174		- AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
	178	+ **AT+DATACUTx **:  This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
175	175	)))
176	176
177	177	a:  length for the return of AT+COMMAND
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208	208	)))
209	209
210	210	(((
211		-(% style="color:#4f81bd" %)**Example**:
	215	+(% style="color:blue" %)**Example**:
212	212
213		-CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
	217	+CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
214	214	)))
215	215
216	216	(((
217		-RETURN1:01 03 02 00 02 39 85 00 00(return data)
	221	+RETURN1: 01 03 02 00 02 39 85 00 00(return data)
218	218	)))
219	219
220	220	(((
221		-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.
	225	+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.
222	222
223	223
224	224	)))
225	225
226	226	(((
227		-CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
	231	+CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
228	228	)))
229	229
230	230	(((
231		-RETURN2:01 03 02 08 DC BE 1D(return data)
	235	+RETURN2: 01 03 02 08 DC BE 1D(return data)
232	232	)))
233	233
234	234	(((
235		-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.
	239	+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.
236	236
237	237
238	238	)))
239	239
240	240	(((
241		-CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
	245	+CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
242	242	)))
243	243
244	244	(((
245		-RETURN3:01 03 04 00 00 00 44 FA 00(return data)
	249	+RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
246	246	)))
247	247
248	248	(((
249		-AT+DATACUT3:9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
	253	+AT+DATACUT3: 9,1,4+5+6+7 Take the return value 00 00 00 44 as the valid value of reading total active energy data and used to splice payload.
250	250	)))
251	251
252	252	(((
253		-Payload:01 00 02 39 85 08 DC 00 00 00 44
	257	+Payload: 01 00 02 39 85 08 DC 00 00 00 44
254	254	)))
255	255
256	256	[[image:image-20220601142936-6.png]]
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269	269
270	270	==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
271	271
	276	+
272	272	[[image:image-20220527093358-15.png]]
273	273
274	274	(((
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491	491	* 08 DF is the valid value of the meter with device address 02.
492	492	* 43 62 is the valid value of the meter with device address 01.
493	493
494		-
495	495	== 1.4 Example 4: Circuit Breaker Remote Open Close ==
496	496
497	497	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: