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... ... @@ -3,16 +3,10 @@ 3 3 4 4 {{toc/}} 5 5 6 - 7 - 8 - 9 - 10 - 11 11 = 1. Introduction = 12 12 13 13 This article provide the examples for RS485-LN to connect to different type of RS485 sensors. 14 14 15 - 16 16 == 1.1 Example 1: Connect to Leak relay and VFD == 17 17 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: ... ... @@ -34,8 +34,6 @@ 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 - 39 39 == 1.2 Example 2: Connect to Pulse Counter == 40 40 41 41 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: ... ... @@ -144,12 +144,12 @@ 144 144 145 145 ))) 146 146 147 -=== **1.3.3 How to configure RS485-LN and parse output commands**===139 +=== 1.3.3 How to configure RS485-LN and parse output commands === 148 148 149 149 RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK. 150 150 151 151 152 -==== **1.3.3.1 via AT COMMAND:**====144 +==== 1.3.3.1 via AT COMMAND: ==== 153 153 154 154 First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct. 155 155 ... ... @@ -199,9 +199,7 @@ 199 199 ))) 200 200 201 201 ((( 202 -(% style="color:#4f81bd" %)**Example**: 203 - 204 -CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 194 +**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1 205 205 ))) 206 206 207 207 ((( ... ... @@ -210,8 +210,6 @@ 210 210 211 211 ((( 212 212 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. 213 - 214 - 215 215 ))) 216 216 217 217 ((( ... ... @@ -224,8 +224,6 @@ 224 224 225 225 ((( 226 226 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. 227 - 228 - 229 229 ))) 230 230 231 231 ((( ... ... @@ -256,7 +256,7 @@ 256 256 AT COMMAND 257 257 258 258 259 -==== **1.3.3.2 via LoRaWAN DOWNLINK**====245 +==== 1.3.3.2 via LoRaWAN DOWNLINK ==== 260 260 261 261 [[image:image-20220527093358-15.png]] 262 262 ... ... @@ -269,7 +269,7 @@ 269 269 ))) 270 270 271 271 ((( 272 - (% style="color:#4f81bd" %)**Type Code 0xAF**258 +**Type Code 0xAF** 273 273 ))) 274 274 275 275 ((( ... ... @@ -316,11 +316,11 @@ 316 316 ))) 317 317 318 318 ((( 319 - (% style="color:#4f81bd" %)**Example:**305 +Example: 320 320 ))) 321 321 322 322 ((( 323 - **AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1309 +AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1 324 324 ))) 325 325 326 326 [[image:image-20220527093430-16.png]] ... ... @@ -348,7 +348,7 @@ 348 348 DOWNLINK 349 349 350 350 351 -=== **1.3.4 How to configure and output commands for RS485 to USB**===337 +=== 1.3.4 How to configure and output commands for RS485 to USB === 352 352 353 353 ((( 354 354 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. ... ... @@ -385,7 +385,7 @@ 385 385 ))) 386 386 387 387 ((( 388 - (% style="color:#4f81bd" %)**Example:**(%%)input：01 03 00 31 00 02 95 c4374 +**Example:** input：01 03 00 31 00 02 95 c4 389 389 ))) 390 390 391 391 ((( ... ... @@ -397,7 +397,7 @@ 397 397 USB 398 398 399 399 400 -=== **1.3.5 How to configure multiple devices and modify device addresses**===386 +=== 1.3.5 How to configure multiple devices and modify device addresses === 401 401 402 402 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. 403 403 ... ... @@ -466,7 +466,7 @@ 466 466 467 467 [[image:image-20220527094224-29.png]] 468 468 469 - **PAYLOAD:01 08 DF 43 62**455 +PAYLOAD:01 08 DF 43 62 470 470 471 471 * 08 DF is the valid value of the meter with device address 02. 472 472 * 43 62 is the valid value of the meter with device address 01.