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 +112,11 @@ 112 112 * Packet engine up to 256 bytes with CRC 113 113 114 114 115 + 116 + 115 115 == 1.3 Features == 116 116 119 + 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 +124,11 @@ 124 124 * Support Interrupt uplink (Since hardware version v1.2) 125 125 126 126 130 + 131 + 127 127 == 1.4 Applications == 128 128 134 + 129 129 * Smart Buildings & Home Automation 130 130 * Logistics and Supply Chain Management 131 131 * Smart Metering ... ... @@ -134,13 +134,18 @@ 134 134 * Smart Factory 135 135 136 136 143 + 144 + 137 137 == 1.5 Firmware Change log == 138 138 147 + 139 139 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 140 140 141 141 151 + 142 142 == 1.6 Hardware Change log == 143 143 154 + 144 144 ((( 145 145 ((( 146 146 ((( ... ... @@ -151,6 +151,7 @@ 151 151 v1.0: Release 152 152 ))) 153 153 165 + 154 154 155 155 ))) 156 156 ))) ... ... @@ -157,6 +157,7 @@ 157 157 158 158 = 2. Power ON Device = 159 159 172 + 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" %) 171 171 185 + 172 172 173 173 ))) 174 174 ... ... @@ -176,16 +176,19 @@ 176 176 177 177 == 3.1 How it works? == 178 178 193 + 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 ))) 183 183 199 + 184 184 185 185 ))) 186 186 187 187 == 3.2 Example to join LoRaWAN network == 188 188 205 + 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" %) 256 256 257 257 275 + 258 258 == 3.3 Configure Commands to read data == 259 259 278 + 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 v1.1 288 +(% 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 ))) 271 271 291 + 272 272 273 273 ))) 274 274 ))) 275 275 276 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 296 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 277 277 298 + 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" %) ... ... @@ -336,8 +336,10 @@ 336 336 ))) 337 337 338 338 360 + 339 339 === 3.3.2 Configure sensors === 340 340 363 + 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 +360,11 @@ 360 360 ))) 361 361 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 362 362 386 + 387 + 363 363 === 3.3.3 Configure read commands for each sampling === 364 364 390 + 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 === 437 437 464 + 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: 523 +(% 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 === 514 514 542 + 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 === 526 526 555 + 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. 532 532 533 533 563 + 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. 540 540 541 541 572 + 542 542 == 3.5 Configure RS485-LN via AT or Downlink == 543 543 575 + 544 544 ((( 545 545 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 546 546 ))) ... ... @@ -562,13 +562,17 @@ 562 562 ))) 563 563 564 564 597 + 565 565 === 3.5.1 Common Commands === 566 566 600 + 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]] 568 568 569 569 604 + 570 570 === 3.5.2 Sensor related commands === 571 571 607 + 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. 573 573 574 574 (% 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"]](% title="Click and drag to resize" %) ... ... @@ -1083,6 +1083,7 @@ 1083 1083 1084 1084 == 3.6 Listening mode for RS485 network == 1085 1085 1122 + 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. 1129 + 1130 + 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. 1216 +(% 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 1221 + 1182 1182 == 3.7 Buttons == 1183 1183 1184 1184 ... ... @@ -1202,13 +1202,16 @@ 1202 1202 1203 1203 = 4. Case Study = 1204 1204 1245 + 1205 1205 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]] 1206 1206 1207 1207 1249 + 1208 1208 = 5. Use AT Command = 1209 1209 1210 1210 == 5.1 Access AT Command == 1211 1211 1254 + 1212 1212 ((( 1213 1213 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. 1214 1214 ))) ... ... @@ -1234,6 +1234,7 @@ 1234 1234 1235 1235 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1236 1236 1280 + 1237 1237 If device has not joined network yet: 1238 1238 1239 1239 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1252,6 +1252,7 @@ 1252 1252 ))) 1253 1253 1254 1254 1299 + 1255 1255 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1256 1256 1257 1257 ... ... @@ -1288,10 +1288,12 @@ 1288 1288 (% 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" %) 1289 1289 1290 1290 1336 + 1291 1291 = 6. FAQ = 1292 1292 1293 1293 == 6.1 How to upgrade the image? == 1294 1294 1341 + 1295 1295 ((( 1296 1296 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1297 1297 ))) ... ... @@ -1342,42 +1342,69 @@ 1342 1342 (% 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" %) 1343 1343 1344 1344 1345 -(% 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: 1392 +(% 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:** 1346 1346 1347 1347 (% 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" %) 1348 1348 1349 1349 1397 + 1350 1350 == 6.2 How to change the LoRa Frequency Bands/Region? == 1351 1351 1400 + 1352 1352 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1353 1353 1354 1354 1404 + 1355 1355 == 6.3 How many RS485-Slave can RS485-LN connects? == 1356 1356 1407 + 1357 1357 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"]]. 1358 1358 1359 1359 1411 + 1360 1360 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1361 1361 1414 + 1362 1362 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1363 1363 1364 1364 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1365 1365 1366 1366 1420 + 1421 +== 6.5 Can i use point to point communication for RS485-LN? == 1422 + 1423 + 1424 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1425 + 1426 + 1427 + 1428 +== 6.6 How to Use RS485-LN to connect to RS232 devices? == 1429 + 1430 + 1431 +[[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/]] 1432 + 1433 + 1434 + 1367 1367 = 7. Trouble Shooting = 1368 1368 1437 + 1369 1369 == 7.1 Downlink doesn't work, how to solve it? == 1370 1370 1440 + 1371 1371 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1372 1372 1373 1373 1444 + 1374 1374 == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1375 1375 1447 + 1376 1376 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1377 1377 1378 1378 1451 + 1379 1379 = 8. Order Info = 1380 1380 1454 + 1381 1381 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1382 1382 1383 1383 (% style="color:blue" %)**XXX:** ... ... @@ -1395,6 +1395,7 @@ 1395 1395 1396 1396 1397 1397 1472 + 1398 1398 = 9.Packing Info = 1399 1399 1400 1400 ... ... @@ -1413,8 +1413,11 @@ 1413 1413 1414 1414 1415 1415 1491 + 1492 + 1416 1416 = 10. FCC Caution for RS485LN-US915 = 1417 1417 1495 + 1418 1418 ((( 1419 1419 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1420 1420 ))) ... ... @@ -1464,8 +1464,10 @@ 1464 1464 ))) 1465 1465 1466 1466 1545 + 1467 1467 = 11. Support = 1468 1468 1548 + 1469 1469 * ((( 1470 1470 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. 1471 1471 )))