Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -113,8 +113,10 @@ 113 113 114 114 115 115 116 + 116 116 == 1.3 Features == 117 117 119 + 118 118 * LoRaWAN Class A & Class C protocol (default Class C) 119 119 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 120 120 * AT Commands to change parameters ... ... @@ -126,8 +126,10 @@ 126 126 127 127 128 128 131 + 129 129 == 1.4 Applications == 130 130 134 + 131 131 * Smart Buildings & Home Automation 132 132 * Logistics and Supply Chain Management 133 133 * Smart Metering ... ... @@ -137,13 +137,17 @@ 137 137 138 138 139 139 144 + 140 140 == 1.5 Firmware Change log == 141 141 147 + 142 142 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 143 143 144 144 151 + 145 145 == 1.6 Hardware Change log == 146 146 154 + 147 147 ((( 148 148 ((( 149 149 ((( ... ... @@ -154,6 +154,7 @@ 154 154 v1.0: Release 155 155 ))) 156 156 165 + 157 157 158 158 ))) 159 159 ))) ... ... @@ -160,6 +160,7 @@ 160 160 161 161 = 2. Power ON Device = 162 162 172 + 163 163 ((( 164 164 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 165 165 ... ... @@ -172,6 +172,7 @@ 172 172 173 173 (% 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" %) 174 174 185 + 175 175 176 176 ))) 177 177 ... ... @@ -179,16 +179,19 @@ 179 179 180 180 == 3.1 How it works? == 181 181 193 + 182 182 ((( 183 183 ((( 184 184 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. 185 185 ))) 186 186 199 + 187 187 188 188 ))) 189 189 190 190 == 3.2 Example to join LoRaWAN network == 191 191 205 + 192 192 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. 193 193 194 194 (% 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" %) ... ... @@ -258,8 +258,10 @@ 258 258 (% 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" %) 259 259 260 260 275 + 261 261 == 3.3 Configure Commands to read data == 262 262 278 + 263 263 ((( 264 264 ((( 265 265 ((( ... ... @@ -269,15 +269,17 @@ 269 269 270 270 ((( 271 271 ((( 272 -(% 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** 273 273 ))) 274 274 291 + 275 275 276 276 ))) 277 277 ))) 278 278 279 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 296 +=== 3.3.1 Configure UART settings for RS485 or TTL communication === 280 280 298 + 281 281 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: 282 282 283 283 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -342,6 +342,7 @@ 342 342 343 343 === 3.3.2 Configure sensors === 344 344 363 + 345 345 ((( 346 346 ((( 347 347 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. ... ... @@ -365,8 +365,10 @@ 365 365 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 366 366 367 367 387 + 368 368 === 3.3.3 Configure read commands for each sampling === 369 369 390 + 370 370 ((( 371 371 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. 372 372 ... ... @@ -440,6 +440,7 @@ 440 440 441 441 === 3.3.4 Compose the uplink payload === 442 442 464 + 443 443 ((( 444 444 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.** 445 445 ... ... @@ -498,7 +498,7 @@ 498 498 DATA3=the rest of Valid value of RETURN10= **30** 499 499 500 500 501 -(% 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:** 502 502 503 503 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 504 504 ... ... @@ -517,6 +517,7 @@ 517 517 518 518 === 3.3.5 Uplink on demand === 519 519 542 + 520 520 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. 521 521 522 522 Downlink control command: ... ... @@ -529,6 +529,7 @@ 529 529 530 530 === 3.3.6 Uplink on Interrupt === 531 531 555 + 532 532 RS485-LN support external Interrupt uplink since hardware v1.2 release. 533 533 534 534 (% 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" %) ... ... @@ -536,6 +536,7 @@ 536 536 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. 537 537 538 538 563 + 539 539 == 3.4 Uplink Payload == 540 540 541 541 ... ... @@ -544,8 +544,10 @@ 544 544 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 545 545 546 546 572 + 547 547 == 3.5 Configure RS485-LN via AT or Downlink == 548 548 575 + 549 549 ((( 550 550 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 551 551 ))) ... ... @@ -567,26 +567,31 @@ 567 567 ))) 568 568 569 569 597 + 570 570 === 3.5.1 Common Commands === 571 571 600 + 572 572 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]] 573 573 574 574 604 + 575 575 === 3.5.2 Sensor related commands === 576 576 607 + 577 577 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. 578 578 579 -(% 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" %)610 +(% 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" %) 580 580 581 581 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) 582 582 583 583 615 + 584 584 === 3.5.3 Sensor related commands === 585 585 586 586 587 587 588 588 589 -==== (% style="color: #037691" %)**RS485 Debug Command**(%%) ====621 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ==== 590 590 591 591 ((( 592 592 This command is used to configure the RS485 devices; they won’t be used during sampling. ... ... @@ -1087,6 +1087,7 @@ 1087 1087 1088 1088 == 3.6 Listening mode for RS485 network == 1089 1089 1122 + 1090 1090 ((( 1091 1091 This feature support since firmware v1.4 1092 1092 ))) ... ... @@ -1093,6 +1093,8 @@ 1093 1093 1094 1094 ((( 1095 1095 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 + 1096 1096 ))) 1097 1097 1098 1098 (% 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" %) ... ... @@ -1178,11 +1178,12 @@ 1178 1178 1179 1179 ((( 1180 1180 ((( 1181 -(% 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.** 1182 1182 ))) 1183 1183 ))) 1184 1184 1185 1185 1221 + 1186 1186 == 3.7 Buttons == 1187 1187 1188 1188 ... ... @@ -1192,6 +1192,8 @@ 1192 1192 |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1193 1193 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1194 1194 1231 + 1232 + 1195 1195 == 3.8 LEDs == 1196 1196 1197 1197 ... ... @@ -1200,15 +1200,20 @@ 1200 1200 |**PWR**|Always on if there is power 1201 1201 |**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. 1202 1202 1241 + 1242 + 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 1369 -== 7.1 Downlink doesn’t work, how to solve it? == 1370 1370 1438 +== 7.1 Downlink doesn't work, how to solve it? == 1439 + 1440 + 1371 1371 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1372 1372 1373 1373 1374 -== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? == 1375 1375 1445 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1446 + 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:** ... ... @@ -1393,6 +1393,9 @@ 1393 1393 * (% style="color:red" %)**RU864**(%%): frequency bands RU864 1394 1394 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1395 1395 1470 + 1471 + 1472 + 1396 1396 = 9.Packing Info = 1397 1397 1398 1398 ... ... @@ -1409,8 +1409,13 @@ 1409 1409 * Package Size / pcs : 14.5 x 8 x 5 cm 1410 1410 * Weight / pcs : 170g 1411 1411 1489 + 1490 + 1491 + 1492 + 1412 1412 = 10. FCC Caution for RS485LN-US915 = 1413 1413 1495 + 1414 1414 ((( 1415 1415 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1416 1416 ))) ... ... @@ -1460,8 +1460,10 @@ 1460 1460 ))) 1461 1461 1462 1462 1545 + 1463 1463 = 11. Support = 1464 1464 1548 + 1465 1465 * ((( 1466 1466 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. 1467 1467 )))