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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 35.5
edited by Xiaoling
on 2022/06/02 10:20
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" %)
... ... @@ -1165,72 +1165,83 @@
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  
1240 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1241 +
1242 +(% style="color:red" %)**Note:**
1243 +
1234 1234  1. Make sure the device is set to ABP mode in the IoT Server.
1235 1235  1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1236 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.
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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.
1294 +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.
1301 +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.
1318 +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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