Last modified by Karry Zhuang on 2024/07/11 11:58
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From version < 57.6 >
edited by Xiaoling
on 2022/07/14 09:16
To version < 57.8 >
edited by Xiaoling
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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  (((
... ... @@ -114,15 +114,13 @@
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  (((
... ... @@ -246,11 +246,11 @@
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]]
... ... @@ -269,6 +269,7 @@
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  (((
... ... @@ -491,7 +491,6 @@
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:

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