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... ... @@ -1,19 +1,33 @@ 1 -= 1. Introduction = 1 +(% class="wikigeneratedid" %) 2 + **Contents:** 2 2 4 +{{toc/}} 5 + 6 + 7 + 8 + 9 + 10 + 11 += **1. Introduction** = 12 + 3 3 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 4 4 5 -== 1.1 Example 1: Connect to Leak relay and VFD == 6 6 16 +== **1.1 Example 1: Connect to Leak relay and VFD** == 17 + 7 7 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: 8 8 9 -[[image: https://wiki.dragino.com/images/thumb/5/5c/RS485_01.png/600px-RS485_01.png||height="297" width="534"]]20 +[[image:image-20220527091852-1.png]] 10 10 11 11 Connection 12 12 13 -[[image:https://wiki.dragino.com/images/thumb/f/f2/RS485_02.png/600px-RS485_02.png||height="743" width="528"]](% style="display:none" %) 14 14 25 + 26 +[[image:image-20220527091942-2.png]](% style="display:none" %) 27 + 15 15 Connection 16 16 30 + 17 17 Related documents: 18 18 19 19 * [[Solar Pump with Dragino>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : System Structure ... ... @@ -20,25 +20,32 @@ 20 20 * [[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. 21 21 * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]] 22 22 23 -== 1.2 Example 2: Connect to Pulse Counter == 24 24 38 + 39 +== **1.2 Example 2: Connect to Pulse Counter** == 40 + 25 25 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: 26 26 27 -[[image: https://wiki.dragino.com/images/thumb/3/34/RS485_02_1.png/600px-RS485_02_1.png||height="364" width="600"]]43 +[[image:image-20220527092058-3.png]] 28 28 29 29 Connection 30 30 31 -[[image:https://wiki.dragino.com/images/thumb/5/5f/RS485_02_2.png/600px-RS485_02_2.png||height="337" width="600"]] 32 32 48 + 49 +[[image:image-20220527092146-4.png]] 50 + 33 33 Connection 34 34 53 + 35 35 * [[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 36 36 * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]] 37 37 38 -== 1.3Example3:Use RS485-LN with energy meters==57 +== == 39 39 40 -== =1.3.1OverView ===59 +== **1.3 Example3: Use RS485-LN with energy meters** == 41 41 61 +=== **1.3.1 OverView** === 62 + 42 42 ((( 43 43 **Note**:The specifications of each energy meter are different, please refer to your own energy meter specifications. 44 44 ))) ... ... @@ -47,40 +47,57 @@ 47 47 This example describes a single-phase meter.This is the connection between the RS485-LN and the energy meter. 48 48 ))) 49 49 50 -[[image: https://wiki.dragino.com/images/thumb/f/f4/Meter1.jpg/600px-Meter1.jpg||height="726" width="545"]]71 +[[image:image-20220527092419-5.png]] 51 51 52 52 Connection1 53 53 75 + 76 + 77 +((( 54 54 How to connect with Energy Meter: 79 +))) 55 55 81 +((( 56 56 Follow the instructions of the electric energy meter to connect the phase line and the neutral line, and then connect 485A+ and 485B- to RS485A and RA485B of RS485-LN respectively. 83 +))) 57 57 85 +((( 58 58 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 87 +))) 59 59 89 +((( 60 60 Power Source VIN to RS485-LN VIN+ 91 +))) 61 61 93 +((( 62 62 Power Source GND to RS485-LN VIN- 95 +))) 63 63 97 +((( 64 64 Once there is power, the RS485-LN will be on. 99 +))) 65 65 66 -[[image: https://wiki.dragino.com/images/thumb/1/15/Meter2.jpg/600px-Meter2.jpg||height="433" width="577"]]101 +[[image:image-20220527092514-6.png]] 67 67 68 68 Connection2 69 69 70 -[[image:https://wiki.dragino.com/images/thumb/a/a5/Meter3.jpg/600px-Meter3.jpg||height="800" width="600"]] 71 71 106 + 107 +[[image:image-20220527092555-7.png]] 108 + 72 72 Connection3 73 73 74 74 75 -=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands === 112 +=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** === 76 76 77 77 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. 78 78 79 -[[image: https://wiki.dragino.com/images/thumb/3/35/Meter4.png/600px-Meter4.png||alt="Meter4.png" height="193" width="600"]]116 +[[image:image-20220527092629-8.png]] 80 80 118 + 81 81 (% class="box infomessage" %) 82 82 ((( 83 -Example:AT+COMMAND1=01 03 00 00 00 01 84 0A 121 +**Example:** AT+COMMAND1=01 03 00 00 00 01 84 0A 84 84 ))) 85 85 86 86 * The first byte : slave address code (=001~247) ... ... @@ -89,11 +89,13 @@ 89 89 * 5th and 6th bytes: Number of registers to read 90 90 * 7th and 8th bytes: CRC16 checksum from bytes 1 to 6. 91 91 130 +((( 92 92 How to parse the reading of the return command of the parameter: 132 +))) 93 93 94 94 (% class="box infomessage" %) 95 95 ((( 96 -Example:RETURN1:01 03 02 08 FD 7E 05 136 +**Example:** RETURN1:01 03 02 08 FD 7E 05 97 97 ))) 98 98 99 99 * The first byte ARD: slave address code (=001~254) ... ... @@ -103,12 +103,18 @@ 103 103 * The 6th and 7th bytes: CRC16 checksum 104 104 * 08 FD is register data. Use short integer 16 bits to convert to decimal, get 2301, then 230.1V is the voltage. 105 105 106 -=== 1.3.3 How to configure RS485-LN and parse output commands === 146 +(% class="wikigeneratedid" %) 147 +((( 148 + 149 +))) 107 107 151 +=== **1.3.3 How to configure RS485-LN and parse output commands** === 152 + 108 108 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 109 109 110 -==== 1.3.3.1 via AT COMMAND: ==== 111 111 156 +==== **1.3.3.1 via AT COMMAND:** ==== 157 + 112 112 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 113 113 114 114 ((( ... ... @@ -115,74 +115,112 @@ 115 115 If the configured parameters and commands are incorrect, the return value is not obtained. 116 116 ))) 117 117 118 -[[image: https://wiki.dragino.com/images/b/bc/AT_COMMAND1.png||height="358" width="456"]]164 +[[image:image-20220527092748-9.png]] 119 119 120 - **AT COMMAND**166 +AT COMMAND 121 121 168 + 122 122 (% class="box infomessage" %) 123 123 ((( 124 -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 + AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c 125 125 ))) 126 126 127 -a: length for the return of AT+COMMAND 174 +a: length for the return of AT+COMMAND 128 128 129 -b:1: grab valid value by byte, max 6 bytes .2: grab valid value by bytes section, max 3 sections.176 +b: 1: grab valid value by byte, max 6 bytes; 2: grab valid value by bytes section, max 3 sections. 130 130 131 -c: define the position for valid value. 178 +c: define the position for valid value. 132 132 133 -[[image: https://wiki.dragino.com/images/7/7d/AT_COMMAND2.png||height="278" width="477"]]180 +[[image:image-20220527092936-10.png]] 134 134 135 135 AT COMMAND 136 136 184 + 185 + 137 137 PAYLOAD is available after the valid value is intercepted. 138 138 139 139 140 -[[image: https://wiki.dragino.com/images/3/3a/AT_COMMAND4.png||height="219" width="576"]]189 +[[image:image-20220527093059-11.png]] 141 141 142 142 AT COMMAND 143 143 144 -You can get configured PAYLOAD on TTN. 145 145 146 146 147 - [[image:https://wiki.dragino.com/images/thumb/c/c2/AT_COMMAND3.png/600px-AT_COMMAND3.png||height="138" width="600"]]195 +You can get configured PAYLOAD on TTN. 148 148 197 +[[image:image-20220527093133-12.png]] 198 + 199 +((( 149 149 AT COMMAND 201 +))) 150 150 151 -**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 203 +((( 204 + 205 +))) 152 152 207 +((( 208 +(% style="color:#4f81bd" %)**Example**: 209 + 210 +CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 211 +))) 212 + 213 +((( 153 153 RETURN1:01 03 02 00 02 39 85 00 00(return data) 215 +))) 154 154 217 +((( 155 155 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. 156 156 220 + 221 +))) 222 + 223 +((( 157 157 CMD2:Read voltage data with MODBUS command. address:0x00 AT+COMMAND2= 01 03 00 00 00 01,1 225 +))) 158 158 227 +((( 159 159 RETURN2:01 03 02 08 DC BE 1D(return data) 229 +))) 160 160 231 +((( 161 161 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. 162 162 234 + 235 +))) 236 + 237 +((( 163 163 CMD3:Read total active energy data with MODBUS command. address:0x0031 AT+COMMAND3= 01 03 00 31 00 02,1 239 +))) 164 164 241 +((( 165 165 RETURN3:01 03 04 00 00 00 44 FA 00(return data) 243 +))) 166 166 245 +((( 167 167 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. 247 +))) 168 168 249 +((( 169 169 Payload:01 00 02 39 85 08 DC 00 00 00 44 251 +))) 170 170 171 -[[image: https://wiki.dragino.com/images/thumb/9/9b/AT_COMMAND10.png/600px-AT_COMMAND10.png||height="278" width="600"]]253 +[[image:image-20220527093204-13.png]] 172 172 173 173 AT COMMAND 174 174 175 -01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy. 176 176 258 +(% 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.** 177 177 178 -[[~[~[image:https://wiki.dragino.com/images/thumb/b/b8/AT_COMMAND11.png/600px-AT_COMMAND11.png~|~|height="271" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:AT_COMMAND11.png]] 179 179 261 + 262 +[[image:image-20220527093251-14.png]] 263 + 180 180 AT COMMAND 181 181 182 182 183 -==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 267 +==== **1.3.3.2 via LoRaWAN DOWNLINK** ==== 184 184 185 -[[image: https://wiki.dragino.com/images/thumb/f/fc/DOWNLINK_METER1.png/600px-DOWNLINK_METER1.png||height="423" width="600"]]269 +[[image:image-20220527093358-15.png]] 186 186 187 187 ((( 188 188 DOWNLINK ... ... @@ -193,12 +193,15 @@ 193 193 ))) 194 194 195 195 ((( 196 -Type Code 0xAF 280 +(% style="color:#4f81bd" %)**Type Code 0xAF** 197 197 ))) 198 198 199 199 ((( 284 +(% class="box infomessage" %) 285 +((( 200 200 0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 201 201 ))) 288 +))) 202 202 203 203 ((( 204 204 Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. ... ... @@ -237,91 +237,138 @@ 237 237 ))) 238 238 239 239 ((( 240 -Example: 327 + 328 + 329 +(% style="color:#4f81bd" %)**Example:** 241 241 ))) 242 242 243 243 ((( 244 -AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 333 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1 245 245 ))) 246 246 247 -[[image: https://wiki.dragino.com/images/thumb/4/45/DOWNLINK_METER2.png/600px-DOWNLINK_METER2.png||height="208" width="600"]]336 +[[image:image-20220527093430-16.png]] 248 248 249 249 DOWNLINK 250 250 251 251 252 -[[~[~[image:https://wiki.dragino.com/images/thumb/2/20/DOWNLINK_METER3.png/600px-DOWNLINK_METER3.png~|~|height="105" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER3.png]] 253 253 342 +[[image:image-20220527093508-17.png]] 343 + 254 254 DOWNLINK 255 255 256 256 257 -[[image:https://wiki.dragino.com/images/thumb/2/27/DOWNLINK_METER4.png/600px-DOWNLINK_METER4.png||height="210" width="600"]] 258 258 348 +[[image:image-20220527093530-18.png]] 349 + 259 259 DOWNLINK 260 260 261 261 262 -[[~[~[image:https://wiki.dragino.com/images/thumb/3/39/DOWNLINK_METER5.png/600px-DOWNLINK_METER5.png~|~|height="176" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:DOWNLINK_METER5.png]] 263 263 354 +[[image:image-20220527093607-19.png]] 355 + 264 264 DOWNLINK 265 265 266 -[[image:https://wiki.dragino.com/images/thumb/a/a2/DOWNLINK_METER6.png/600px-DOWNLINK_METER6.png||height="365" width="600"]] 267 267 359 + 360 +[[image:image-20220527093628-20.png]] 361 + 268 268 DOWNLINK 269 269 270 270 271 -=== 1.3.4 How to configure and output commands for RS485 to USB === 365 +=== **1.3.4 How to configure and output commands for RS485 to USB** === 272 272 367 +((( 273 273 This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN. 369 +))) 274 274 371 +((( 275 275 First, connect the A+ and A- of the USB to the 485 A and 485 B of the energy meter. 373 +))) 276 276 375 +((( 277 277 Open the serial port debugging, set the send and receive to HEX. 377 +))) 278 278 379 +((( 279 279 Baud rate: 9600 381 +))) 280 280 383 +((( 281 281 check digit: Even 385 +))) 282 282 283 -[[image: https://wiki.dragino.com/images/thumb/8/8f/Usb_meter2.jpg/600px-Usb_meter2.jpg||height="800" width="600"]]387 +[[image:image-20220527093708-21.png]] 284 284 285 285 USB 286 286 287 -[[image:https://wiki.dragino.com/images/thumb/6/62/Usb_meter1.jpg/600px-Usb_meter1.jpg||height="800" width="600"]] 288 288 392 + 393 +[[image:image-20220527093747-22.png]] 394 + 289 289 USB 290 290 397 + 398 + 399 +((( 291 291 The configuration command is consistent with the AT command, input the hexadecimal command directly into the serial port, and the serial port will output the command. 401 +))) 292 292 293 -Example:input:01 03 00 31 00 02 95 c4 403 +((( 404 +(% style="color:#4f81bd" %)**Example:** (%%)input:01 03 00 31 00 02 95 c4 405 +))) 294 294 295 -{{{ output:01 03 04 00 00 00 42 7A 02 296 -}}} 407 +((( 408 + output:01 03 04 00 00 00 42 7A 02 409 +))) 297 297 298 -[[image: https://wiki.dragino.com/images/thumb/b/b3/Usb_meter3.jpg/600px-Usb_meter3.jpg||height="466" width="600"]]411 +[[image:image-20220527093821-23.png]] 299 299 300 300 USB 301 301 302 -=== 1.3.5 How to configure multiple devices and modify device addresses === 303 303 416 +=== **1.3.5 How to configure multiple devices and modify device addresses** === 417 + 304 304 If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01. 305 305 420 +((( 421 +((( 306 306 Set the device address according to the parameters in the appendix of the MODBUS communication protocol. 423 +))) 424 +))) 307 307 308 -[[image: https://wiki.dragino.com/images/thumb/1/1f/Double_meter3.png/600px-Double_meter3.png||alt="Double meter3.png" height="83" width="600"]]426 +[[image:image-20220601142044-1.png]] 309 309 310 -Example:These two meters are examples of setting parameters and device addresses. 311 311 312 - [[image:https://wiki.dragino.com/images/thumb/e/ee/Double_meter1.jpg/600px-Double_meter1.jpg||alt="Doublemeter1.jpg"height="800"width="600"]]429 +**Example**:These two meters are examples of setting parameters and device addresses. 313 313 314 -[[image: https://wiki.dragino.com/images/thumb/7/72/Double_meter2.jpg/600px-Double_meter2.jpg||alt="Double meter2.jpg" height="800" width="600"]]431 +[[image:image-20220527093950-25.png]] 315 315 433 +[[image:image-20220527094028-26.png]] 434 + 435 +((( 436 +((( 316 316 First of all, since the default device address of the energy meter is 01, the configuration of two energy meters will conflict, so we first connect an energy meter and configure the device address. 438 +))) 439 +))) 317 317 441 +((( 442 +((( 318 318 We can use AT+CFGDEV to set the device address. 444 +))) 445 +))) 319 319 447 +((( 448 +((( 320 320 We modify the device address 01 of the first energy meter to 02. 450 +))) 451 +))) 321 321 322 -[[image: https://wiki.dragino.com/images/6/6b/Double_meter4.png||alt="Double meter4.png" height="141" width="456"]]453 +[[image:image-20220601142354-2.png]] 323 323 324 -AT+CFGDEV:01 10 00 61 00 01 02 00 02,1 455 +(% class="box infomessage" %) 456 +((( 457 +**AT+CFGDEV:01 10 00 61 00 01 02 00 02,1** 458 +))) 325 325 326 326 * 01:device adaress 327 327 ... ... @@ -343,25 +343,28 @@ 343 343 344 344 Its default device address is 01, and the following are the parameters for configuring two energy meters. 345 345 346 -[[image: https://wiki.dragino.com/images/1/13/Meter11.png||alt="Meter11.png" height="576" width="379"]]480 +[[image:image-20220601142452-3.png]] 347 347 348 -[[image:https://wiki.dragino.com/images/thumb/7/7e/Meter12.png/600px-Meter12.png||alt="Meter12.png" height="262" width="600"]] 349 349 350 - PAYLOAD:0108 DF 4362483 +[[image:image-20220601142607-4.png]] 351 351 485 +**PAYLOAD:01 08 DF 43 62** 486 + 352 352 * 08 DF is the valid value of the meter with device address 02. 353 353 * 43 62 is the valid value of the meter with device address 01. 354 354 490 + 355 355 == 1.4 Example 4: Circuit Breaker Remote Open Close == 356 356 357 357 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: 358 358 359 -[[image: https://wiki.dragino.com/images/thumb/f/fa/RS485_04_2.png/600px-RS485_04_2.png||height="336" width="600"]]495 +[[image:image-20220527094330-30.png]] 360 360 361 361 Connection 362 362 363 363 * [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen 364 364 501 + 365 365 == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN == 366 366 367 367 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-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below: ... ... @@ -370,6 +370,8 @@ 370 370 371 371 * [[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 372 372 510 + 511 + 373 373 == 1.6 Example 6:CEM C31 485-T1-MID Energy Meter with RS485-LN == 374 374 375 375 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: ... ... @@ -378,7 +378,7 @@ 378 378 379 379 == 1.7 Example 7:Schneider Electric PLC M221 with RS485-BL == 380 380 381 -[[image: https://wiki.dragino.com/images/thumb/9/97/PLC_M221.png/600px-PLC_M221.png||height="353" width="600"]]520 +[[image:image-20220527094556-31.png]] 382 382 383 383 Network Structure 384 384
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