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From version < 57.2 >
edited by Xiaoling
on 2022/06/01 14:42
To version < 57.8 >
edited by Xiaoling
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1 1  (% class="wikigeneratedid" %)
2 - **Contents:**
2 +*
3 +** Table of** **Contents:
3 3  
4 4  {{toc/}}
5 5  
... ... @@ -10,11 +10,13 @@
10 10  
11 11  = **1. Introduction** =
12 12  
14 +
13 13  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
14 14  
15 15  
16 16  == **1.1 Example 1: Connect to Leak relay and VFD** ==
17 17  
20 +
18 18  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:
19 19  
20 20  [[image:image-20220527091852-1.png]]
... ... @@ -34,11 +34,12 @@
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  
37 -
38 38  == **1.2 Example 2: Connect to Pulse Counter** ==
39 39  
42 +
40 40  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:
41 41  
45 +
42 42  [[image:image-20220527092058-3.png]]
43 43  
44 44  Connection
... ... @@ -50,17 +50,16 @@
50 50  Connection
51 51  
52 52  
53 -* [[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/]]
54 54  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
55 55  
56 -== ==
57 -
58 58  == **1.3 Example3: Use RS485-LN with energy meters** ==
59 59  
60 60  === **1.3.1 OverView** ===
61 61  
64 +
62 62  (((
63 -**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.
64 64  )))
65 65  
66 66  (((
... ... @@ -74,7 +74,9 @@
74 74  
75 75  
76 76  (((
77 -How to connect with Energy Meter：
80 +**How to connect with Energy Meter：**
81 +
82 +
78 78  )))
79 79  
80 80  (((
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110 110  
111 111  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
112 112  
118 +
113 113  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.
114 114  
115 115  [[image:image-20220601143257-10.png]]
116 116  
117 117  
118 -(% class="box infomessage" %)
119 -(((
120 -**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
121 -)))
124 +(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
122 122  
123 123  * The first byte : slave address code (=001～247)
124 124  * The second byte : read register value function code
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127 127  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
128 128  
129 129  (((
133 +
134 +
135 +
130 130  How to parse the reading of the return command of the parameter：
131 -)))
132 132  
133 -(% class="box infomessage" %)
134 -(((
135 -**Example:** RETURN1：01 03 02 08 FD 7E 05
138 +(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
136 136  )))
137 137  
138 138  * The first byte ARD: slave address code (=001～254)
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145 145  (% class="wikigeneratedid" %)
146 146  (((
147 147  
151 +
152 +
153 +
148 148  )))
149 149  
150 150  === **1.3.3 How to configure RS485-LN and parse output commands** ===
151 151  
158 +
152 152  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
153 153  
154 154  
155 -==== **1.3.3.1 via AT COMMAND:** ====
162 +==== **1.3.3.1 via AT COMMAND** ====
156 156  
157 -First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
158 158  
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 +
159 159  (((
160 160  If the configured parameters and commands are incorrect, the return value is not obtained.
161 161  )))
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167 167  
168 168  (% class="box infomessage" %)
169 169  (((
170 - 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
171 171  )))
172 172  
173 173  a:  length for the return of AT+COMMAND
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204 204  )))
205 205  
206 206  (((
207 -(% style="color:#4f81bd" %)**Example**:
215 +(% style="color:blue" %)**Example**:
208 208  
209 -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
210 210  )))
211 211  
212 212  (((
213 -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)
214 214  )))
215 215  
216 216  (((
217 -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.
218 218  
219 219  
220 220  )))
221 221  
222 222  (((
223 -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
224 224  )))
225 225  
226 226  (((
227 -RETURN2:01 03 02 08 DC BE 1D(return data)
235 +RETURN2: 01 03 02 08 DC BE 1D(return data)
228 228  )))
229 229  
230 230  (((
231 -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.
232 232  
233 233  
234 234  )))
235 235  
236 236  (((
237 -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
238 238  )))
239 239  
240 240  (((
... ... @@ -242,11 +242,11 @@
242 242  )))
243 243  
244 244  (((
245 -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.
246 246  )))
247 247  
248 248  (((
249 -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
250 250  )))
251 251  
252 252  [[image:image-20220601142936-6.png]]
... ... @@ -265,6 +265,7 @@
265 265  
266 266  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
267 267  
276 +
268 268  [[image:image-20220527093358-15.png]]
269 269  
270 270  (((
... ... @@ -429,6 +429,7 @@
429 429  
430 430  [[image:image-20220527093950-25.png]]
431 431  
441 +
432 432  [[image:image-20220527094028-26.png]]
433 433  
434 434  (((
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504 504  
505 505  * [[Connect to SEM Three>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/SEM_Three_Energy_Meter/&file=SEM%20three%20and%20Dragino%20RS485-LN%20v1.pdf]] : Configure Document for RS485-LN
506 506  
507 -
508 508  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
509 509  
510 510  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 CEM C31 485-T1-MID and send the data for remote minitor. The structure is like below:
... ... @@ -511,7 +511,6 @@
511 511  
512 512  * [[CEM C31 485-T1-MID>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/ELECTRICAL%20CABINET/&file=ELECTRICAL%20CABINET%20READINGS.pdf]] : Configure Document For RS485-LN
513 513  
514 -
515 515  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
516 516  
517 517  [[image:image-20220527094556-31.png]]

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