Last modified by Karry Zhuang on 2024/07/11 11:58
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -1,5 +1,6 @@ 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 Document57 +* 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 ... ... @@ -131,12 +131,12 @@ 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) ... ... @@ -149,17 +149,22 @@ 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 ))) ... ... @@ -171,7 +171,7 @@ 171 171 172 172 (% class="box infomessage" %) 173 173 ((( 174 - AT+DATACUTx 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 ... ... @@ -208,49 +208,49 @@ 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]] ... ... @@ -261,7 +261,6 @@ 261 261 (% 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.** 262 262 263 263 264 - 265 265 [[image:image-20220601143642-2.png]] 266 266 267 267 AT COMMAND ... ... @@ -269,6 +269,7 @@ 269 269 270 270 ==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 271 271 275 + 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: