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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.10
edited by Xiaoling
on 2022/06/02 10:09
Change comment: There is no comment for this version
To version 37.2
edited by Xiaoling
on 2022/06/02 10:24
Change comment: There is no comment for this version

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... ... @@ -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" %)
... ... @@ -1165,83 +1165,96 @@
1165 1165  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 1167  
1167 += 5. Use AT Command =
1168 1168  
1169 +== 5.1 Access AT Command ==
1169 1169  
1170 -
1171 -1. Use AT Command
1172 -11. Access AT Command
1173 -
1174 1174  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.
1175 1175  
1176 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1173 +[[image:1654135840598-282.png]]
1177 1177  
1178 1178  
1179 -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:
1176 +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:
1180 1180  
1181 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1178 +[[image:1654136105500-922.png]]
1182 1182  
1183 1183  
1181 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1184 1184  
1185 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1186 1186  
1184 +== 5.2 Common AT Command Sequence ==
1187 1187  
1186 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1188 1188  
1189 -1.
1190 -11. Common AT Command Sequence
1191 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1192 -
1193 1193  If device has not joined network yet:
1194 1194  
1195 -AT+FDR
1190 +(% class="box infomessage" %)
1191 +(((
1192 +**AT+FDR**
1193 +)))
1196 1196  
1197 -AT+NJM=0
1195 +(% class="box infomessage" %)
1196 +(((
1197 +**AT+NJM=0**
1198 +)))
1198 1198  
1199 -ATZ
1200 +(% class="box infomessage" %)
1201 +(((
1202 +**ATZ**
1203 +)))
1200 1200  
1201 1201  
1202 1202  If device already joined network:
1203 1203  
1204 -AT+NJM=0
1208 +(% class="box infomessage" %)
1209 +(((
1210 +**AT+NJM=0**
1211 +)))
1205 1205  
1206 -ATZ
1213 +(% class="box infomessage" %)
1214 +(((
1215 +**ATZ**
1216 +)))
1207 1207  
1208 -1.
1209 -11.
1210 -111. Single-channel ABP mode (Use with LG01/LG02)
1211 1211  
1212 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1219 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1213 1213  
1214 -AT+NJM=0 Set to ABP mode
1215 1215  
1216 -AT+ADR=0 Set the Adaptive Data Rate Off
1222 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1217 1217  
1218 -AT+DR=5  Set Data Rate
1224 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1219 1219  
1220 -AT+TDC=60000  Set transmit interval to 60 seconds
1226 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1221 1221  
1222 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1228 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1223 1223  
1224 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1230 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1225 1225  
1226 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1232 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1227 1227  
1228 -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 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1229 1229  
1230 -ATZ          Reset MCU
1236 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1231 1231  
1232 -**Note:**
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.
1233 1233  
1234 -1. Make sure the device is set to ABP mode in the IoT Server.
1235 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1236 -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.
1237 -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
1240 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1238 1238  
1239 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1240 1240  
1243 +(% style="color:red" %)**Note:**
1241 1241  
1242 -1. FAQ
1243 -11. How to upgrade the image?
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
1244 1244  
1250 +[[image:1654136435598-589.png]]
1251 +
1252 +
1253 += 6. FAQ =
1254 +
1255 +== 6.1 How to upgrade the image? ==
1256 +
1245 1245  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1246 1246  
1247 1247  * Support new features
... ... @@ -1250,7 +1250,7 @@
1250 1250  
1251 1251  Below shows the hardware connection for how to upload an image to RS485-BL:
1252 1252  
1253 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1265 +[[image:1654136646995-976.png]]
1254 1254  
1255 1255  **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]].
1256 1256  
... ... @@ -1281,7 +1281,7 @@
1281 1281  [[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]]
1282 1282  
1283 1283  
1284 -1.
1296 +1.
1285 1285  11. How to change the LoRa Frequency Bands/Region?
1286 1286  
1287 1287  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1288,7 +1288,7 @@
1288 1288  
1289 1289  
1290 1290  
1291 -1.
1303 +1.
1292 1292  11. How many RS485-Slave can RS485-BL connects?
1293 1293  
1294 1294  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]].
... ... @@ -1305,7 +1305,7 @@
1305 1305  
1306 1306  
1307 1307  
1308 -1.
1320 +1.
1309 1309  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1310 1310  
1311 1311  It might about the channels mapping. Please see for detail.
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