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Last modified by Xiaoling on 2025/04/23 15:57
From version 37.2
edited by Xiaoling
on 2022/06/02 10:24
Change comment: There is no comment for this version
To version 35.2
edited by Xiaoling
on 2022/06/02 10:15
Change comment: There is no comment for this version

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1181 1181  More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1182 1182  
1183 1183  
1184 +
1184 1184  == 5.2 Common AT Command Sequence ==
1185 1185  
1186 1186  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1187,73 +1187,56 @@
1187 1187  
1188 1188  If device has not joined network yet:
1189 1189  
1190 -(% class="box infomessage" %)
1191 -(((
1192 -**AT+FDR**
1193 -)))
1191 +AT+FDR
1194 1194  
1195 -(% class="box infomessage" %)
1196 -(((
1197 -**AT+NJM=0**
1198 -)))
1193 +AT+NJM=0
1199 1199  
1200 -(% class="box infomessage" %)
1201 -(((
1202 -**ATZ**
1203 -)))
1195 +ATZ
1204 1204  
1205 1205  
1206 1206  If device already joined network:
1207 1207  
1208 -(% class="box infomessage" %)
1209 -(((
1210 -**AT+NJM=0**
1211 -)))
1200 +AT+NJM=0
1212 1212  
1213 -(% class="box infomessage" %)
1214 -(((
1215 -**ATZ**
1216 -)))
1202 +ATZ
1217 1217  
1204 +1.
1205 +11.
1206 +111. Single-channel ABP mode (Use with LG01/LG02)
1218 1218  
1219 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1208 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1220 1220  
1210 +AT+NJM=0 Set to ABP mode
1221 1221  
1222 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1212 +AT+ADR=0 Set the Adaptive Data Rate Off
1223 1223  
1224 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1214 +AT+DR=5  Set Data Rate
1225 1225  
1226 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1216 +AT+TDC=60000  Set transmit interval to 60 seconds
1227 1227  
1228 -(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1218 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1229 1229  
1230 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1220 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1231 1231  
1232 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1222 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1233 1233  
1234 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1224 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1235 1235  
1236 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1226 +ATZ          Reset MCU
1237 1237  
1238 -(% 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.
1228 +**Note:**
1239 1239  
1240 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1230 +1. Make sure the device is set to ABP mode in the IoT Server.
1231 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1232 +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.
1233 +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
1241 1241  
1235 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1242 1242  
1243 -(% style="color:red" %)**Note:**
1244 1244  
1245 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1246 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1247 -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.
1248 -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
1238 +1. FAQ
1239 +11. How to upgrade the image?
1249 1249  
1250 -[[image:1654136435598-589.png]]
1251 -
1252 -
1253 -= 6. FAQ =
1254 -
1255 -== 6.1 How to upgrade the image? ==
1256 -
1257 1257  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1258 1258  
1259 1259  * Support new features
... ... @@ -1262,7 +1262,7 @@
1262 1262  
1263 1263  Below shows the hardware connection for how to upload an image to RS485-BL:
1264 1264  
1265 -[[image:1654136646995-976.png]]
1249 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1266 1266  
1267 1267  **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]].
1268 1268  
... ... @@ -1293,7 +1293,7 @@
1293 1293  [[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]]
1294 1294  
1295 1295  
1296 -1.
1280 +1.
1297 1297  11. How to change the LoRa Frequency Bands/Region?
1298 1298  
1299 1299  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1300,7 +1300,7 @@
1300 1300  
1301 1301  
1302 1302  
1303 -1.
1287 +1.
1304 1304  11. How many RS485-Slave can RS485-BL connects?
1305 1305  
1306 1306  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]].
... ... @@ -1317,7 +1317,7 @@
1317 1317  
1318 1318  
1319 1319  
1320 -1.
1304 +1.
1321 1321  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1322 1322  
1323 1323  It might about the channels mapping. Please see for detail.
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