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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.9
edited by Xiaoling
on 2022/06/02 10:06
Change comment: There is no comment for this version
To version 40.7
edited by Xiaoling
on 2022/06/02 16:13
Change comment: There is no comment for this version

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750 750  
751 751  === 3.5.2 Sensor related commands: ===
752 752  
753 -==== ====
754 754  
755 755  ==== **Choose Device Type (RS485 or TTL)** ====
756 756  
... ... @@ -1139,7 +1139,6 @@
1139 1139  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 1140  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1141 1141  
1142 -
1143 1143  == 3.10 Switch Jumper ==
1144 1144  
1145 1145  (% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
... ... @@ -1162,87 +1162,99 @@
1162 1162  
1163 1163  = 4. Case Study =
1164 1164  
1165 -User can check this URL for some case studies.
1163 +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]]
1166 1166  
1167 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1168 1168  
1166 += 5. Use AT Command =
1169 1169  
1168 +== 5.1 Access AT Command ==
1170 1170  
1171 -
1172 -1. Use AT Command
1173 -11. Access AT Command
1174 -
1175 1175  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.
1176 1176  
1177 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1172 +[[image:1654135840598-282.png]]
1178 1178  
1179 1179  
1180 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1175 +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:
1181 1181  
1182 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1177 +[[image:1654136105500-922.png]]
1183 1183  
1184 1184  
1180 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1185 1185  
1186 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1187 1187  
1183 +== 5.2 Common AT Command Sequence ==
1188 1188  
1185 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1189 1189  
1190 -1.
1191 -11. Common AT Command Sequence
1192 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1193 -
1194 1194  If device has not joined network yet:
1195 1195  
1196 -AT+FDR
1189 +(% class="box infomessage" %)
1190 +(((
1191 +**AT+FDR**
1192 +)))
1197 1197  
1198 -AT+NJM=0
1194 +(% class="box infomessage" %)
1195 +(((
1196 +**AT+NJM=0**
1197 +)))
1199 1199  
1200 -ATZ
1199 +(% class="box infomessage" %)
1200 +(((
1201 +**ATZ**
1202 +)))
1201 1201  
1202 1202  
1203 1203  If device already joined network:
1204 1204  
1205 -AT+NJM=0
1207 +(% class="box infomessage" %)
1208 +(((
1209 +**AT+NJM=0**
1210 +)))
1206 1206  
1207 -ATZ
1212 +(% class="box infomessage" %)
1213 +(((
1214 +**ATZ**
1215 +)))
1208 1208  
1209 -1.
1210 -11.
1211 -111. Single-channel ABP mode (Use with LG01/LG02)
1212 1212  
1213 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1218 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1214 1214  
1215 -AT+NJM=0 Set to ABP mode
1216 1216  
1217 -AT+ADR=0 Set the Adaptive Data Rate Off
1221 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1218 1218  
1219 -AT+DR=5  Set Data Rate
1223 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1220 1220  
1221 -AT+TDC=60000  Set transmit interval to 60 seconds
1225 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1222 1222  
1223 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1227 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1224 1224  
1225 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1229 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1226 1226  
1227 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1231 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1228 1228  
1229 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1233 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1230 1230  
1231 -ATZ          Reset MCU
1235 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1232 1232  
1233 -**Note:**
1237 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1234 1234  
1235 -1. Make sure the device is set to ABP mode in the IoT Server.
1236 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1237 -1. 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.
1238 -1. 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
1239 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1239 1239  
1240 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1241 1241  
1242 +(% style="color:red" %)**Note:**
1242 1242  
1243 -1. FAQ
1244 -11. How to upgrade the image?
1244 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1245 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1246 +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.
1247 +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
1245 1245  
1249 +[[image:1654136435598-589.png]]
1250 +
1251 +
1252 += 6. FAQ =
1253 +
1254 +== 6.1 How to upgrade the image? ==
1255 +
1246 1246  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1247 1247  
1248 1248  * Support new features
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  Below shows the hardware connection for how to upload an image to RS485-BL:
1253 1253  
1254 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1264 +[[image:1654136646995-976.png]]
1255 1255  
1256 1256  **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]].
1257 1257  
... ... @@ -1259,97 +1259,97 @@
1259 1259  
1260 1260  **Step3: **Open flashloader; choose the correct COM port to update.
1261 1261  
1272 +[[image:image-20220602102605-1.png]]
1262 1262  
1263 -|(((
1264 -HOLD PRO then press the RST button, SYS will be ON, then click next
1265 -)))
1266 1266  
1267 -|(((
1268 -Board detected
1269 -)))
1275 +[[image:image-20220602102637-2.png]]
1270 1270  
1271 -|(((
1272 -
1273 -)))
1274 1274  
1275 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1278 +[[image:image-20220602102715-3.png]]
1276 1276  
1277 1277  
1278 1278  
1279 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1282 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1280 1280  
1284 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1281 1281  
1282 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1283 1283  
1284 1284  
1285 -1.
1286 -11. How to change the LoRa Frequency Bands/Region?
1288 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1287 1287  
1288 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1290 +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"]].
1289 1289  
1290 1290  
1291 1291  
1292 -1.
1293 -11. How many RS485-Slave can RS485-BL connects?
1294 += 7. Trouble Shooting =
1294 1294  
1295 -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>>path:#downlink_A8]].
1296 1296  
1297 +== 7.1 Downlink doesn’t work, how to solve it? ==
1297 1297  
1299 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1298 1298  
1299 1299  
1300 -1. Trouble Shooting     
1301 -11. Downlink doesn’t work, how to solve it?
1302 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1302 1302  
1303 -Please see this link for debug:
1304 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1304 1304  
1305 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1306 1306  
1307 += 8. Order Info =
1307 1307  
1309 +(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1308 1308  
1309 -1.
1310 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1311 +(% style="color:blue" %)**XXX:**
1311 1311  
1312 -It might about the channels mapping. Please see for detail.
1313 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1314 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1315 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1316 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1317 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1318 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1319 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1320 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1321 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1322 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1313 1313  
1314 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1315 1315  
1316 1316  
1326 += 9. Packing Info =
1317 1317  
1318 -1. Order Info
1319 -
1320 -**Part Number: RS485-BL-XXX**
1321 -
1322 -**XXX:**
1323 -
1324 -* **EU433**: frequency bands EU433
1325 -* **EU868**: frequency bands EU868
1326 -* **KR920**: frequency bands KR920
1327 -* **CN470**: frequency bands CN470
1328 -* **AS923**: frequency bands AS923
1329 -* **AU915**: frequency bands AU915
1330 -* **US915**: frequency bands US915
1331 -* **IN865**: frequency bands IN865
1332 -* **RU864**: frequency bands RU864
1333 -* **KZ865: **frequency bands KZ865
1334 -
1335 -1. Packing Info
1336 -
1328 +(((
1337 1337  **Package Includes**:
1330 +)))
1338 1338  
1339 -* RS485-BL x 1
1340 -* Stick Antenna for LoRa RF part x 1
1341 -* Program cable x 1
1332 +* (((
1333 +RS485-BL x 1
1334 +)))
1335 +* (((
1336 +Stick Antenna for LoRa RF part x 1
1337 +)))
1338 +* (((
1339 +Program cable x 1
1340 +)))
1342 1342  
1342 +(((
1343 1343  **Dimension and weight**:
1344 +)))
1344 1344  
1345 -* Device Size: 13.5 x 7 x 3 cm
1346 -* Device Weight: 105g
1347 -* Package Size / pcs : 14.5 x 8 x 5 cm
1348 -* Weight / pcs : 170g
1346 +* (((
1347 +Device Size: 13.5 x 7 x 3 cm
1348 +)))
1349 +* (((
1350 +Device Weight: 105g
1351 +)))
1352 +* (((
1353 +Package Size / pcs : 14.5 x 8 x 5 cm
1354 +)))
1355 +* (((
1356 +Weight / pcs : 170g
1349 1349  
1350 -1. Support
1358 +
1359 +)))
1351 1351  
1352 -* 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.
1353 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1354 1354  
1355 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1362 += 10. Support =
1363 +
1364 +* 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.
1365 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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