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From version < 57.10 >
edited by Xiaoling
on 2022/07/14 09:35
To version < 57.4 >
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1 1  (% class="wikigeneratedid" %)
2 -*
3 -** Table of** **Contents:
2 + **Contents:**
4 4  
5 5  {{toc/}}
6 6  
... ... @@ -11,13 +11,11 @@
11 11  
12 12  = **1. Introduction** =
13 13  
14 -
15 15  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
16 16  
17 17  
18 18  == **1.1 Example 1: Connect to Leak relay and VFD** ==
19 19  
20 -
21 21  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:
22 22  
23 23  [[image:image-20220527091852-1.png]]
... ... @@ -37,12 +37,11 @@
37 37  * [[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.
38 38  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
39 39  
37 +
40 40  == **1.2 Example 2: Connect to Pulse Counter** ==
41 41  
42 -
43 43  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:
44 44  
45 -
46 46  [[image:image-20220527092058-3.png]]
47 47  
48 48  Connection
... ... @@ -54,16 +54,17 @@
54 54  Connection
55 55  
56 56  
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/]]
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
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  
56 +== ==
57 +
60 60  == **1.3 Example3: Use RS485-LN with energy meters** ==
61 61  
62 62  === **1.3.1 OverView** ===
63 63  
64 -
65 65  (((
66 -(% style="color:red" %)**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
63 +**Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
67 67  )))
68 68  
69 69  (((
... ... @@ -77,9 +77,7 @@
77 77  
78 78  
79 79  (((
80 -**How to connect with Energy Meter：**
81 -
82 -
77 +How to connect with Energy Meter：
83 83  )))
84 84  
85 85  (((
... ... @@ -115,13 +115,15 @@
115 115  
116 116  === **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
117 117  
118 -
119 119  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.
120 120  
121 121  [[image:image-20220601143257-10.png]]
122 122  
123 123  
124 -(% style="color:blue" %)**Example:**(%%)  AT+COMMAND1=01 03 00 00 00 01 84 0A
118 +(% class="box infomessage" %)
119 +(((
120 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A
121 +)))
125 125  
126 126  * The first byte : slave address code (=001～247)
127 127  * The second byte : read register value function code
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130 130  * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6.
131 131  
132 132  (((
133 -
134 -
135 -
136 136  How to parse the reading of the return command of the parameter：
131 +)))
137 137  
138 -(% style="color:blue" %)**Example:**(%%) RETURN1：01 03 02 08 FD 7E 05
133 +(% class="box infomessage" %)
134 +(((
135 +**Example:** RETURN1：01 03 02 08 FD 7E 05
139 139  )))
140 140  
141 141  * The first byte ARD: slave address code (=001～254)
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148 148  (% class="wikigeneratedid" %)
149 149  (((
150 150  
151 -
152 -
153 -
154 154  )))
155 155  
156 156  === **1.3.3 How to configure RS485-LN and parse output commands** ===
157 157  
158 -
159 159  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
160 160  
161 161  
162 -==== **1.3.3.1 via AT COMMAND** ====
155 +==== **1.3.3.1 via AT COMMAND:** ====
163 163  
157 +First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
164 164  
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 -
167 167  (((
168 168  If the configured parameters and commands are incorrect, the return value is not obtained.
169 169  )))
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175 175  
176 176  (% class="box infomessage" %)
177 177  (((
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
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
179 179  )))
180 180  
181 181  a:  length for the return of AT+COMMAND
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212 212  )))
213 213  
214 214  (((
215 -(% style="color:blue" %)**Example**:
207 +(% style="color:#4f81bd" %)**Example**:
216 216  
217 -CMD1: Read current data with MODBUS command. address: 0x03 AT+COMMAND1= 01 03 00 03 00 01,1
209 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
218 218  )))
219 219  
220 220  (((
221 -RETURN1: 01 03 02 00 02 39 85 00 00(return data)
213 +RETURN1:01 03 02 00 02 39 85 00 00(return data)
222 222  )))
223 223  
224 224  (((
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.
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.
226 226  
227 227  
228 228  )))
229 229  
230 230  (((
231 -CMD2: Read voltage data with MODBUS command. address: 0x00 AT+COMMAND2= 01 03 00 00 00 01,1
223 +CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1
232 232  )))
233 233  
234 234  (((
235 -RETURN2: 01 03 02 08 DC BE 1D(return data)
227 +RETURN2:01 03 02 08 DC BE 1D(return data)
236 236  )))
237 237  
238 238  (((
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.
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.
240 240  
241 241  
242 242  )))
243 243  
244 244  (((
245 -CMD3: Read total active energy data with MODBUS command. address: 0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
237 +CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1
246 246  )))
247 247  
248 248  (((
249 -RETURN3: 01 03 04 00 00 00 44 FA 00(return data)
241 +RETURN3:01 03 04 00 00 00 44 FA 00(return data)
250 250  )))
251 251  
252 252  (((
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.
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.
254 254  )))
255 255  
256 256  (((
257 -Payload: 01 00 02 39 85 08 DC 00 00 00 44
249 +Payload:01 00 02 39 85 08 DC 00 00 00 44
258 258  )))
259 259  
260 260  [[image:image-20220601142936-6.png]]
... ... @@ -265,6 +265,7 @@
265 265  (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
266 266  
267 267  
260 +
268 268  [[image:image-20220601143642-2.png]]
269 269  
270 270  AT COMMAND
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272 272  
273 273  ==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
274 274  
275 -
276 276  [[image:image-20220527093358-15.png]]
277 277  
278 278  (((
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495 495  * 08 DF is the valid value of the meter with device address 02.
496 496  * 43 62 is the valid value of the meter with device address 01.
497 497  
490 +
491 +
498 498  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
499 499  
500 500  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:
... ... @@ -513,6 +513,7 @@
513 513  
514 514  * [[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
515 515  
510 +
516 516  == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN ==
517 517  
518 518  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:
... ... @@ -519,6 +519,7 @@
519 519  
520 520  * [[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
521 521  
517 +
522 522  == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL ==
523 523  
524 524  [[image:image-20220527094556-31.png]]

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