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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... ... @@ -112,8 +112,10 @@ 112 112 * Packet engine up to 256 bytes with CRC 113 113 114 114 115 + 115 115 == 1.3 Features == 116 116 118 + 117 117 * LoRaWAN Class A & Class C protocol (default Class C) 118 118 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 119 119 * AT Commands to change parameters ... ... @@ -124,8 +124,10 @@ 124 124 * Support Interrupt uplink (Since hardware version v1.2) 125 125 126 126 129 + 127 127 == 1.4 Applications == 128 128 132 + 129 129 * Smart Buildings & Home Automation 130 130 * Logistics and Supply Chain Management 131 131 * Smart Metering ... ... @@ -134,13 +134,17 @@ 134 134 * Smart Factory 135 135 136 136 141 + 137 137 == 1.5 Firmware Change log == 138 138 144 + 139 139 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 140 140 141 141 148 + 142 142 == 1.6 Hardware Change log == 143 143 151 + 144 144 ((( 145 145 ((( 146 146 ((( ... ... @@ -151,6 +151,7 @@ 151 151 v1.0: Release 152 152 ))) 153 153 162 + 154 154 155 155 ))) 156 156 ))) ... ... @@ -157,6 +157,7 @@ 157 157 158 158 = 2. Power ON Device = 159 159 169 + 160 160 ((( 161 161 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 162 162 ... ... @@ -169,6 +169,7 @@ 169 169 170 170 (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 171 171 182 + 172 172 173 173 ))) 174 174 ... ... @@ -176,16 +176,19 @@ 176 176 177 177 == 3.1 How it works? == 178 178 190 + 179 179 ((( 180 180 ((( 181 181 The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA. 182 182 ))) 183 183 196 + 184 184 185 185 ))) 186 186 187 187 == 3.2 Example to join LoRaWAN network == 188 188 202 + 189 189 Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 190 190 191 191 (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -255,8 +255,10 @@ 255 255 (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 256 256 257 257 272 + 258 258 == 3.3 Configure Commands to read data == 259 259 275 + 260 260 ((( 261 261 ((( 262 262 ((( ... ... @@ -266,15 +266,17 @@ 266 266 267 267 ((( 268 268 ((( 269 -(% 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 v1.1 285 +(% 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** 270 270 ))) 271 271 288 + 272 272 273 273 ))) 274 274 ))) 275 275 276 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 277 277 295 + 278 278 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 279 279 280 280 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -338,6 +338,7 @@ 338 338 339 339 === 3.3.2 Configure sensors === 340 340 359 + 341 341 ((( 342 342 ((( 343 343 Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling. ... ... @@ -360,8 +360,10 @@ 360 360 ))) 361 361 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 362 362 382 + 363 363 === 3.3.3 Configure read commands for each sampling === 364 364 385 + 365 365 ((( 366 366 During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload. 367 367 ... ... @@ -435,6 +435,7 @@ 435 435 436 436 === 3.3.4 Compose the uplink payload === 437 437 459 + 438 438 ((( 439 439 Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.** 440 440 ... ... @@ -493,7 +493,7 @@ 493 493 DATA3=the rest of Valid value of RETURN10= **30** 494 494 495 495 496 -(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below: 518 +(% style="color:red" %)**Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:** 497 497 498 498 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 499 499 ... ... @@ -512,6 +512,7 @@ 512 512 513 513 === 3.3.5 Uplink on demand === 514 514 537 + 515 515 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. 516 516 517 517 Downlink control command: ... ... @@ -524,6 +524,7 @@ 524 524 525 525 === 3.3.6 Uplink on Interrupt === 526 526 550 + 527 527 RS485-LN support external Interrupt uplink since hardware v1.2 release. 528 528 529 529 (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -531,6 +531,7 @@ 531 531 Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet. 532 532 533 533 558 + 534 534 == 3.4 Uplink Payload == 535 535 536 536 ... ... @@ -539,8 +539,10 @@ 539 539 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 540 540 541 541 567 + 542 542 == 3.5 Configure RS485-LN via AT or Downlink == 543 543 570 + 544 544 ((( 545 545 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 546 546 ))) ... ... @@ -562,16 +562,20 @@ 562 562 ))) 563 563 564 564 592 + 565 565 === 3.5.1 Common Commands === 566 566 595 + 567 567 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 568 568 569 569 599 + 570 570 === 3.5.2 Sensor related commands === 571 571 602 + 572 572 Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server. 573 573 574 -(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% style="background:url(~"http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag tomove" width="15"]](% title="Click and drag to resize" %)605 +(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %) 575 575 576 576 The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable) 577 577 ... ... @@ -1083,6 +1083,7 @@ 1083 1083 1084 1084 == 3.6 Listening mode for RS485 network == 1085 1085 1117 + 1086 1086 ((( 1087 1087 This feature support since firmware v1.4 1088 1088 ))) ... ... @@ -1089,6 +1089,8 @@ 1089 1089 1090 1090 ((( 1091 1091 RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN. 1124 + 1125 + 1092 1092 ))) 1093 1093 1094 1094 (% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) ... ... @@ -1174,11 +1174,12 @@ 1174 1174 1175 1175 ((( 1176 1176 ((( 1177 -(% 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. 1211 +(% 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.** 1178 1178 ))) 1179 1179 ))) 1180 1180 1181 1181 1216 + 1182 1182 == 3.7 Buttons == 1183 1183 1184 1184 ... ... @@ -1188,6 +1188,7 @@ 1188 1188 |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1189 1189 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1190 1190 1226 + 1191 1191 == 3.8 LEDs == 1192 1192 1193 1193 ... ... @@ -1196,15 +1196,19 @@ 1196 1196 |**PWR**|Always on if there is power 1197 1197 |**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. 1198 1198 1235 + 1199 1199 = 4. Case Study = 1200 1200 1238 + 1201 1201 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] 1202 1202 1203 1203 1242 + 1204 1204 = 5. Use AT Command = 1205 1205 1206 1206 == 5.1 Access AT Command == 1207 1207 1247 + 1208 1208 ((( 1209 1209 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. 1210 1210 ))) ... ... @@ -1230,6 +1230,7 @@ 1230 1230 1231 1231 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1232 1232 1273 + 1233 1233 If device has not joined network yet: 1234 1234 1235 1235 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1248,6 +1248,7 @@ 1248 1248 ))) 1249 1249 1250 1250 1292 + 1251 1251 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1252 1252 1253 1253 ... ... @@ -1284,10 +1284,12 @@ 1284 1284 (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1285 1285 1286 1286 1329 + 1287 1287 = 6. FAQ = 1288 1288 1289 1289 == 6.1 How to upgrade the image? == 1290 1290 1334 + 1291 1291 ((( 1292 1292 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1293 1293 ))) ... ... @@ -1313,7 +1313,7 @@ 1313 1313 ))) 1314 1314 1315 1315 ((( 1316 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir= LT_LoRa_IO_Controller/LT33222-L/image/]].1360 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]]. 1317 1317 ))) 1318 1318 1319 1319 ((( ... ... @@ -1338,42 +1338,69 @@ 1338 1338 (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1339 1339 1340 1340 1341 -(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is: 1385 +(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:** 1342 1342 1343 1343 (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %) 1344 1344 1345 1345 1390 + 1346 1346 == 6.2 How to change the LoRa Frequency Bands/Region? == 1347 1347 1393 + 1348 1348 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1349 1349 1350 1350 1397 + 1351 1351 == 6.3 How many RS485-Slave can RS485-LN connects? == 1352 1352 1400 + 1353 1353 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"]]. 1354 1354 1355 1355 1404 + 1356 1356 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1357 1357 1407 + 1358 1358 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1359 1359 1360 1360 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1361 1361 1362 1362 1413 + 1414 +== 6.5 Can i use point to point communication for RS485-LN? == 1415 + 1416 + 1417 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1418 + 1419 + 1420 + 1421 +== 6.6 How to Use RS485-LN to connect to RS232 devices? == 1422 + 1423 + 1424 +[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]] 1425 + 1426 + 1427 + 1363 1363 = 7. Trouble Shooting = 1364 1364 1365 -== 7.1 Downlink doesn’t work, how to solve it? == 1366 1366 1431 +== 7.1 Downlink doesn't work, how to solve it? == 1432 + 1433 + 1367 1367 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1368 1368 1369 1369 1370 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1371 1371 1438 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1439 + 1440 + 1372 1372 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1373 1373 1374 1374 1444 + 1375 1375 = 8. Order Info = 1376 1376 1447 + 1377 1377 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1378 1378 1379 1379 (% style="color:blue" %)**XXX:** ... ... @@ -1389,6 +1389,8 @@ 1389 1389 * (% style="color:red" %)**RU864**(%%): frequency bands RU864 1390 1390 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1391 1391 1463 + 1464 + 1392 1392 = 9.Packing Info = 1393 1393 1394 1394 ... ... @@ -1405,8 +1405,12 @@ 1405 1405 * Package Size / pcs : 14.5 x 8 x 5 cm 1406 1406 * Weight / pcs : 170g 1407 1407 1481 + 1482 + 1483 + 1408 1408 = 10. FCC Caution for RS485LN-US915 = 1409 1409 1486 + 1410 1410 ((( 1411 1411 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1412 1412 ))) ... ... @@ -1456,8 +1456,10 @@ 1456 1456 ))) 1457 1457 1458 1458 1536 + 1459 1459 = 11. Support = 1460 1460 1539 + 1461 1461 * ((( 1462 1462 Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1463 1463 )))