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Last modified by Xiaoling on 2025/04/23 15:57
From version 35.5
edited by Xiaoling
on 2022/06/02 10:20
Change comment: There is no comment for this version
To version 33.7
edited by Xiaoling
on 2022/06/02 10:04
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -1139,108 +1139,97 @@
1139 1139  |=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 1140  |**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1141 1141  
1142 +
1142 1142  == 3.10 Switch Jumper ==
1143 1143  
1144 -(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1145 -|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1146 -|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1145 +|**Switch Jumper**|**Feature**
1146 +|**SW1**|(((
1147 1147  ISP position: Upgrade firmware via UART
1148 1148  
1149 1149  Flash position: Configure device, check running status.
1150 1150  )))
1151 -|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1151 +|**SW2**|(((
1152 1152  5V position: set to compatible with 5v I/O.
1153 1153  
1154 1154  3.3v position: set to compatible with 3.3v I/O.,
1155 1155  )))
1156 1156  
1157 -**+3.3V**: is always ON
1157 ++3.3V: is always ON
1158 1158  
1159 -**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1159 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1160 1160  
1161 +1. Case Study
1161 1161  
1162 -= 4. Case Study =
1163 +User can check this URL for some case studies.
1163 1163  
1164 -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]]
1165 +[[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]]
1165 1165  
1166 1166  
1167 -= 5. Use AT Command =
1168 1168  
1169 -== 5.1 Access AT Command ==
1170 1170  
1170 +1. Use AT Command
1171 +11. Access AT Command
1172 +
1171 1171  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.
1172 1172  
1173 -[[image:1654135840598-282.png]]
1175 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1174 1174  
1175 1175  
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:
1178 +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:
1177 1177  
1178 -[[image:1654136105500-922.png]]
1180 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1179 1179  
1180 1180  
1181 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1182 1182  
1184 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1183 1183  
1184 -== 5.2 Common AT Command Sequence ==
1185 1185  
1186 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1187 1187  
1188 +1.
1189 +11. Common AT Command Sequence
1190 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1191 +
1188 1188  If device has not joined network yet:
1189 1189  
1190 -(% class="box infomessage" %)
1191 -(((
1192 -**AT+FDR**
1193 -)))
1194 +AT+FDR
1194 1194  
1195 -(% class="box infomessage" %)
1196 -(((
1197 -**AT+NJM=0**
1198 -)))
1196 +AT+NJM=0
1199 1199  
1200 -(% class="box infomessage" %)
1201 -(((
1202 -**ATZ**
1203 -)))
1198 +ATZ
1204 1204  
1205 1205  
1206 1206  If device already joined network:
1207 1207  
1208 -(% class="box infomessage" %)
1209 -(((
1210 -**AT+NJM=0**
1211 -)))
1203 +AT+NJM=0
1212 1212  
1213 -(% class="box infomessage" %)
1214 -(((
1215 -**ATZ**
1216 -)))
1205 +ATZ
1217 1217  
1207 +1.
1208 +11.
1209 +111. Single-channel ABP mode (Use with LG01/LG02)
1218 1218  
1219 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1211 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1220 1220  
1213 +AT+NJM=0 Set to ABP mode
1221 1221  
1222 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1215 +AT+ADR=0 Set the Adaptive Data Rate Off
1223 1223  
1224 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1217 +AT+DR=5  Set Data Rate
1225 1225  
1226 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1219 +AT+TDC=60000  Set transmit interval to 60 seconds
1227 1227  
1228 -(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1221 +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
1223 +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
1225 +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)
1227 +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
1229 +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.
1231 +**Note:**
1239 1239  
1240 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1241 -
1242 -(% style="color:red" %)**Note:**
1243 -
1244 1244  1. Make sure the device is set to ABP mode in the IoT Server.
1245 1245  1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1246 1246  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.
... ... @@ -1291,7 +1291,7 @@
1291 1291  [[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]]
1292 1292  
1293 1293  
1294 -1.
1283 +1.
1295 1295  11. How to change the LoRa Frequency Bands/Region?
1296 1296  
1297 1297  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1298,7 +1298,7 @@
1298 1298  
1299 1299  
1300 1300  
1301 -1.
1290 +1.
1302 1302  11. How many RS485-Slave can RS485-BL connects?
1303 1303  
1304 1304  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]].
... ... @@ -1315,7 +1315,7 @@
1315 1315  
1316 1316  
1317 1317  
1318 -1.
1307 +1.
1319 1319  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1320 1320  
1321 1321  It might about the channels mapping. Please see for detail.
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