Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -1,1 +1,1 @@ 1 -RS485-LN – RS485 to LoRaWAN Converter 1 +RS485-LN – RS485 to LoRaWAN Converter User Manual - Content
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... ... @@ -3,7 +3,6 @@ 3 3 4 4 5 5 6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 9 9 ... ... @@ -25,6 +25,8 @@ 25 25 ((( 26 26 ((( 27 27 ((( 27 + 28 + 28 28 The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 29 29 ))) 30 30 ))) ... ... @@ -48,6 +48,8 @@ 48 48 49 49 ((( 50 50 (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 52 + 53 + 51 51 ))) 52 52 ))) 53 53 ))) ... ... @@ -92,6 +92,8 @@ 92 92 * Automatic RF Sense and CAD with ultra-fast AFC. 93 93 * Packet engine up to 256 bytes with CRC 94 94 98 + 99 + 95 95 == 1.3 Features == 96 96 97 97 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -104,6 +104,7 @@ 104 104 * Support Interrupt uplink (Since hardware version v1.2) 105 105 106 106 112 + 107 107 == 1.4 Applications == 108 108 109 109 * Smart Buildings & Home Automation ... ... @@ -114,6 +114,7 @@ 114 114 * Smart Factory 115 115 116 116 123 + 117 117 == 1.5 Firmware Change log == 118 118 119 119 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -182,12 +182,13 @@ 182 182 183 183 [[image:1653268227651-549.png||height="592" width="720"]] 184 184 192 + 185 185 ((( 186 186 The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3: 187 187 ))) 188 188 189 189 ((( 190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 198 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 191 191 ))) 192 192 193 193 ((( ... ... @@ -197,6 +197,7 @@ 197 197 198 198 [[image:1652953462722-299.png]] 199 199 208 + 200 200 ((( 201 201 ((( 202 202 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -203,7 +203,7 @@ 203 203 ))) 204 204 205 205 ((( 206 -Add APP EUI in the application. 215 +**Add APP EUI in the application.** 207 207 ))) 208 208 ))) 209 209 ... ... @@ -219,13 +219,15 @@ 219 219 220 220 [[image:1652953542269-423.png||height="710" width="723"]] 221 221 222 -Add APP KEY and DEV EUI 223 223 232 + 233 +**Add APP KEY and DEV EUI** 234 + 224 224 [[image:1652953553383-907.png||height="514" width="724"]] 225 225 226 226 227 227 ((( 228 -**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 239 +(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 229 229 ))) 230 230 231 231 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -235,11 +235,15 @@ 235 235 236 236 ((( 237 237 ((( 238 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 249 +((( 250 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 239 239 ))) 252 +))) 240 240 241 241 ((( 255 +((( 242 242 (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 257 +))) 243 243 244 244 245 245 ))) ... ... @@ -309,6 +309,7 @@ 309 309 310 310 311 311 327 + 312 312 === 3.3.2 Configure sensors === 313 313 314 314 ((( ... ... @@ -320,15 +320,22 @@ 320 320 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 321 321 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 322 322 |AT+CFGDEV|(% style="width:110px" %)((( 339 +((( 323 323 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 341 +))) 324 324 343 +((( 325 325 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 345 +))) 326 326 347 +((( 327 327 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 349 +))) 328 328 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 329 329 330 330 331 331 354 + 332 332 === 3.3.3 Configure read commands for each sampling === 333 333 334 334 ((( ... ... @@ -341,7 +341,7 @@ 341 341 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 342 342 343 343 344 -**Each RS485 commands include two parts:** 367 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 345 345 346 346 ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar. 347 347 ... ... @@ -352,15 +352,14 @@ 352 352 353 353 After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**. 354 354 355 - 356 356 Below are examples for the how above AT Commands works. 357 357 358 358 359 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 381 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 360 360 361 361 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 362 362 |(% style="width:496px" %)((( 363 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 385 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 364 364 365 365 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 366 366 ... ... @@ -372,7 +372,7 @@ 372 372 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 373 373 374 374 375 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 397 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 376 376 377 377 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 378 378 |(% style="width:510px" %)((( ... ... @@ -385,20 +385,21 @@ 385 385 386 386 **Examples:** 387 387 388 -* Grab bytes :410 +* (% style="color:#037691" %)**Grab bytes** 389 389 390 390 [[image:image-20220602153621-1.png]] 391 391 392 392 393 -* Grab a section .415 +* (% style="color:#037691" %)**Grab a section** 394 394 395 395 [[image:image-20220602153621-2.png]] 396 396 397 397 398 -* Grab different sections .420 +* (% style="color:#037691" %)**Grab different sections** 399 399 400 400 [[image:image-20220602153621-3.png]] 401 401 424 + 402 402 403 403 ))) 404 404 ... ... @@ -478,6 +478,7 @@ 478 478 [[image:1654157178836-407.png]] 479 479 480 480 504 + 481 481 === 3.3.5 Uplink on demand === 482 482 483 483 Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command. ... ... @@ -507,7 +507,7 @@ 507 507 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 508 508 509 509 510 -== 3.5 Configure RS485- BL via AT or Downlink ==534 +== 3.5 Configure RS485-LN via AT or Downlink == 511 511 512 512 ((( 513 513 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -673,7 +673,7 @@ 673 673 ==== **Set Payload version** ==== 674 674 675 675 ((( 676 -This is the first byte of the uplink payload. RS485- BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.700 +This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 677 677 ))) 678 678 679 679 * ((( ... ... @@ -771,7 +771,7 @@ 771 771 XX XX XX XX: AT+COMMAND or AT+DATACUT command 772 772 ))) 773 773 * ((( 774 -YY: If YY=0, RS485- BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.798 +YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 775 775 ))) 776 776 777 777 ((( ... ... @@ -1097,54 +1097,108 @@ 1097 1097 1098 1098 [[image:image-20220602171200-8.png||height="567" width="1007"]] 1099 1099 1124 +((( 1100 1100 To enable the listening mode, use can run the command AT+RXMODE. 1126 +))) 1101 1101 1128 +((( 1129 + 1130 +))) 1102 1102 1103 -(% border="1" style="background-color:#ffffcc; width:500px" %) 1104 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 1105 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1106 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1107 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 1108 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1132 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1133 +|=(% style="width: 100px;" %)((( 1134 +**Command example** 1135 +)))|=(% style="width: 400px;" %)((( 1136 +**Function** 1137 +))) 1138 +|(% style="width:100px" %)((( 1139 +AT+RXMODE=1,10 1140 +)))|(% style="width:400px" %)((( 1141 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks. 1142 +))) 1143 +|(% style="width:100px" %)((( 1144 +AT+RXMODE=2,500 1145 +)))|(% style="width:400px" %)((( 1146 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms 1147 +))) 1148 +|(% style="width:100px" %)((( 1149 +AT+RXMODE=0,0 1150 +)))|(% style="width:400px" %)((( 1151 +Disable listening mode. This is the default settings. 1152 +))) 1153 +|(% style="width:100px" %)((( 1154 + 1155 +)))|(% style="width:400px" %)((( 1156 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1157 +))) 1109 1109 1159 +((( 1110 1110 **Downlink Command:** 1161 +))) 1111 1111 1163 +((( 1112 1112 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1165 +))) 1113 1113 1167 +((( 1168 + 1169 +))) 1114 1114 1171 +((( 1115 1115 **Example**: 1173 +))) 1116 1116 1175 +((( 1117 1117 The RS485-LN is set to AT+RXMODE=2,1000 1177 +))) 1118 1118 1179 +((( 1119 1119 There is a two Modbus commands in the RS485 network as below: 1181 +))) 1120 1120 1183 +((( 1121 1121 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1185 +))) 1122 1122 1187 +((( 1123 1123 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1189 +))) 1124 1124 1191 +((( 1125 1125 RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1193 +))) 1126 1126 1195 +((( 1127 1127 [[image:image-20220602171200-9.png]] 1197 +))) 1128 1128 1199 +((( 1200 + 1201 +))) 1129 1129 1203 +((( 1204 +((( 1130 1130 (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while. 1206 +))) 1207 +))) 1131 1131 1132 1132 1133 1133 == 3.7 Buttons == 1134 1134 1135 1135 1136 -(% border="1" style="background-color:#f7faff; width: 500px" %)1137 -|=**Button**|=(% style="width: 1 420px;" %)**Feature**1138 -|**ACT**|(% style="width:1 420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**1139 -|**RST**|(% style="width:1 420px" %)Reboot RS4851140 -|**PRO**|(% style="width:1 420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1213 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1214 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1215 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 1216 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1217 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1141 1141 1142 1142 == 3.8 LEDs == 1143 1143 1144 -(% border="1" style="background-color:#f7faff; width:500px" %) 1145 -|=**LEDs**|=**Feature** 1221 + 1222 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1223 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 1146 1146 |**PWR**|Always on if there is power 1147 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1225 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message. 1148 1148 1149 1149 = 4. Case Study = 1150 1150 ... ... @@ -1155,19 +1155,26 @@ 1155 1155 1156 1156 == 5.1 Access AT Command == 1157 1157 1158 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below. 1236 +((( 1237 +RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below. 1238 +))) 1159 1159 1160 1160 [[image:1654162355560-817.png]] 1161 1161 1162 1162 1163 -In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference: 1243 +((( 1244 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-LN. The default password is 123456. Below is the output for reference: 1245 +))) 1164 1164 1165 1165 [[image:1654162368066-342.png]] 1166 1166 1167 1167 1250 +((( 1168 1168 More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1252 +))) 1169 1169 1170 1170 1255 + 1171 1171 == 5.2 Common AT Command Sequence == 1172 1172 1173 1173 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1190,7 +1190,9 @@ 1190 1190 ))) 1191 1191 1192 1192 1278 +((( 1193 1193 If device already joined network: 1280 +))) 1194 1194 1195 1195 (% class="box infomessage" %) 1196 1196 ((( ... ... @@ -1229,10 +1229,12 @@ 1229 1229 1230 1230 (% style="color:red" %)**Note:** 1231 1231 1319 +((( 1232 1232 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1233 1233 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1234 1234 3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means. 1235 1235 4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5 1324 +))) 1236 1236 1237 1237 [[image:1654162478620-421.png]] 1238 1238 ... ... @@ -1241,25 +1241,45 @@ 1241 1241 1242 1242 == 6.1 How to upgrade the image? == 1243 1243 1333 +((( 1244 1244 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1335 +))) 1245 1245 1246 -* Support new features 1247 -* For bug fix 1248 -* Change LoRaWAN bands. 1337 +* ((( 1338 +Support new features 1339 +))) 1340 +* ((( 1341 +For bug fix 1342 +))) 1343 +* ((( 1344 +Change LoRaWAN bands. 1345 +))) 1249 1249 1347 +((( 1250 1250 Below shows the hardware connection for how to upload an image to RS485-LN: 1349 +))) 1251 1251 1252 1252 [[image:1654162535040-878.png]] 1253 1253 1353 +((( 1254 1254 **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]]. 1355 +))) 1255 1255 1357 +((( 1256 1256 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1359 +))) 1257 1257 1361 +((( 1258 1258 **Step3: **Open flashloader; choose the correct COM port to update. 1363 +))) 1259 1259 1260 1260 ((( 1366 +((( 1367 +((( 1261 1261 (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program. 1262 1262 ))) 1370 +))) 1371 +))) 1263 1263 1264 1264 1265 1265 [[image:image-20220602175818-12.png]] ... ... @@ -1281,9 +1281,9 @@ 1281 1281 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1282 1282 1283 1283 1284 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1393 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1285 1285 1286 -The RS485- BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].1395 +The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 1287 1287 1288 1288 1289 1289 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == ... ... @@ -1322,7 +1322,6 @@ 1322 1322 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1323 1323 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1324 1324 1325 - 1326 1326 = 9.Packing Info = 1327 1327 1328 1328 ... ... @@ -1339,7 +1339,6 @@ 1339 1339 * Package Size / pcs : 14.5 x 8 x 5 cm 1340 1340 * Weight / pcs : 170g 1341 1341 1342 - 1343 1343 = 10. FCC Caution for RS485LN-US915 = 1344 1344 1345 1345 (((