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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... ... @@ -112,11 +112,8 @@ 112 112 * Packet engine up to 256 bytes with CRC 113 113 114 114 115 - 116 - 117 117 == 1.3 Features == 118 118 119 - 120 120 * LoRaWAN Class A & Class C protocol (default Class C) 121 121 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 122 122 * AT Commands to change parameters ... ... @@ -127,11 +127,8 @@ 127 127 * Support Interrupt uplink (Since hardware version v1.2) 128 128 129 129 130 - 131 - 132 132 == 1.4 Applications == 133 133 134 - 135 135 * Smart Buildings & Home Automation 136 136 * Logistics and Supply Chain Management 137 137 * Smart Metering ... ... @@ -140,18 +140,13 @@ 140 140 * Smart Factory 141 141 142 142 143 - 144 - 145 145 == 1.5 Firmware Change log == 146 146 147 - 148 148 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 149 149 150 150 151 - 152 152 == 1.6 Hardware Change log == 153 153 154 - 155 155 ((( 156 156 ((( 157 157 ((( ... ... @@ -162,7 +162,6 @@ 162 162 v1.0: Release 163 163 ))) 164 164 165 - 166 166 167 167 ))) 168 168 ))) ... ... @@ -169,7 +169,6 @@ 169 169 170 170 = 2. Power ON Device = 171 171 172 - 173 173 ((( 174 174 The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below 175 175 ... ... @@ -182,7 +182,6 @@ 182 182 183 183 (% 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" %) 184 184 185 - 186 186 187 187 ))) 188 188 ... ... @@ -190,19 +190,16 @@ 190 190 191 191 == 3.1 How it works? == 192 192 193 - 194 194 ((( 195 195 ((( 196 196 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. 197 197 ))) 198 198 199 - 200 200 201 201 ))) 202 202 203 203 == 3.2 Example to join LoRaWAN network == 204 204 205 - 206 206 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. 207 207 208 208 (% 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" %) ... ... @@ -272,10 +272,8 @@ 272 272 (% 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" %) 273 273 274 274 275 - 276 276 == 3.3 Configure Commands to read data == 277 277 278 - 279 279 ((( 280 280 ((( 281 281 ((( ... ... @@ -285,17 +285,15 @@ 285 285 286 286 ((( 287 287 ((( 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**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 v1.1 289 289 ))) 290 290 291 - 292 292 293 293 ))) 294 294 ))) 295 295 296 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===276 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication === 297 297 298 - 299 299 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: 300 300 301 301 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) ... ... @@ -357,10 +357,8 @@ 357 357 ))) 358 358 359 359 360 - 361 361 === 3.3.2 Configure sensors === 362 362 363 - 364 364 ((( 365 365 ((( 366 366 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. ... ... @@ -384,10 +384,8 @@ 384 384 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 385 385 386 386 387 - 388 388 === 3.3.3 Configure read commands for each sampling === 389 389 390 - 391 391 ((( 392 392 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. 393 393 ... ... @@ -461,7 +461,6 @@ 461 461 462 462 === 3.3.4 Compose the uplink payload === 463 463 464 - 465 465 ((( 466 466 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.** 467 467 ... ... @@ -520,7 +520,7 @@ 520 520 DATA3=the rest of Valid value of RETURN10= **30** 521 521 522 522 523 -(% 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 +(% 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: 524 524 525 525 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink. 526 526 ... ... @@ -539,7 +539,6 @@ 539 539 540 540 === 3.3.5 Uplink on demand === 541 541 542 - 543 543 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. 544 544 545 545 Downlink control command: ... ... @@ -552,7 +552,6 @@ 552 552 553 553 === 3.3.6 Uplink on Interrupt === 554 554 555 - 556 556 RS485-LN support external Interrupt uplink since hardware v1.2 release. 557 557 558 558 (% 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" %) ... ... @@ -560,7 +560,6 @@ 560 560 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. 561 561 562 562 563 - 564 564 == 3.4 Uplink Payload == 565 565 566 566 ... ... @@ -569,10 +569,8 @@ 569 569 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 570 570 571 571 572 - 573 573 == 3.5 Configure RS485-LN via AT or Downlink == 574 574 575 - 576 576 ((( 577 577 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 578 578 ))) ... ... @@ -594,17 +594,13 @@ 594 594 ))) 595 595 596 596 597 - 598 598 === 3.5.1 Common Commands === 599 599 600 - 601 601 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]] 602 602 603 603 604 - 605 605 === 3.5.2 Sensor related commands === 606 606 607 - 608 608 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. 609 609 610 610 (% 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" %) ... ... @@ -1119,7 +1119,6 @@ 1119 1119 1120 1120 == 3.6 Listening mode for RS485 network == 1121 1121 1122 - 1123 1123 ((( 1124 1124 This feature support since firmware v1.4 1125 1125 ))) ... ... @@ -1126,8 +1126,6 @@ 1126 1126 1127 1127 ((( 1128 1128 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 - 1131 1131 ))) 1132 1132 1133 1133 (% 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" %) ... ... @@ -1213,12 +1213,11 @@ 1213 1213 1214 1214 ((( 1215 1215 ((( 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 +(% 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. 1217 1217 ))) 1218 1218 ))) 1219 1219 1220 1220 1221 - 1222 1222 == 3.7 Buttons == 1223 1223 1224 1224 ... ... @@ -1229,7 +1229,6 @@ 1229 1229 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1230 1230 1231 1231 1232 - 1233 1233 == 3.8 LEDs == 1234 1234 1235 1235 ... ... @@ -1239,19 +1239,15 @@ 1239 1239 |**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. 1240 1240 1241 1241 1242 - 1243 1243 = 4. Case Study = 1244 1244 1245 - 1246 1246 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]] 1247 1247 1248 1248 1249 - 1250 1250 = 5. Use AT Command = 1251 1251 1252 1252 == 5.1 Access AT Command == 1253 1253 1254 - 1255 1255 ((( 1256 1256 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. 1257 1257 ))) ... ... @@ -1277,7 +1277,6 @@ 1277 1277 1278 1278 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === 1279 1279 1280 - 1281 1281 If device has not joined network yet: 1282 1282 1283 1283 * (% style="color:#037691" %)**AT+FDR** ... ... @@ -1296,7 +1296,6 @@ 1296 1296 ))) 1297 1297 1298 1298 1299 - 1300 1300 === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) === 1301 1301 1302 1302 ... ... @@ -1333,12 +1333,10 @@ 1333 1333 (% 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" %) 1334 1334 1335 1335 1336 - 1337 1337 = 6. FAQ = 1338 1338 1339 1339 == 6.1 How to upgrade the image? == 1340 1340 1341 - 1342 1342 ((( 1343 1343 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1344 1344 ))) ... ... @@ -1389,69 +1389,52 @@ 1389 1389 (% 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" %) 1390 1390 1391 1391 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:**1344 +(% 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: 1393 1393 1394 1394 (% 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" %) 1395 1395 1396 1396 1397 - 1398 1398 == 6.2 How to change the LoRa Frequency Bands/Region? == 1399 1399 1400 - 1401 1401 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1402 1402 1403 1403 1404 - 1405 1405 == 6.3 How many RS485-Slave can RS485-LN connects? == 1406 1406 1407 - 1408 1408 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"]]. 1409 1409 1410 1410 1411 - 1412 1412 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == 1413 1413 1414 - 1415 1415 When user need to use with ChirpStack or TTI. Please set AT+RPL=4. 1416 1416 1417 1417 Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]] 1418 1418 1419 1419 1420 - 1421 1421 == 6.5 Can i use point to point communication for RS485-LN? == 1422 1422 1423 - 1424 1424 Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]]. 1425 1425 1426 1426 1427 - 1428 1428 == 6.6 How to Use RS485-LN to connect to RS232 devices? == 1429 1429 1430 - 1431 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 1432 1433 1433 1434 - 1435 1435 = 7. Trouble Shooting = 1436 1436 1437 - 1438 1438 == 7.1 Downlink doesn't work, how to solve it? == 1439 1439 1440 - 1441 1441 Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]] 1442 1442 1443 1443 1444 - 1445 1445 == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? == 1446 1446 1447 - 1448 1448 It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]] 1449 1449 1450 1450 1451 - 1452 1452 = 8. Order Info = 1453 1453 1454 - 1455 1455 (% style="color:blue" %)**Part Number: RS485-LN-XXX** 1456 1456 1457 1457 (% style="color:blue" %)**XXX:** ... ... @@ -1468,8 +1468,6 @@ 1468 1468 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1469 1469 1470 1470 1471 - 1472 - 1473 1473 = 9.Packing Info = 1474 1474 1475 1475 ... ... @@ -1487,12 +1487,8 @@ 1487 1487 * Weight / pcs : 170g 1488 1488 1489 1489 1490 - 1491 - 1492 - 1493 1493 = 10. FCC Caution for RS485LN-US915 = 1494 1494 1495 - 1496 1496 ((( 1497 1497 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1498 1498 ))) ... ... @@ -1545,7 +1545,6 @@ 1545 1545 1546 1546 = 11. Support = 1547 1547 1548 - 1549 1549 * ((( 1550 1550 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. 1551 1551 )))