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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.7
edited by Xiaoling
on 2022/06/02 10:04
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

Summary

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Content
... ... @@ -1139,97 +1139,108 @@
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 -|**Switch Jumper**|**Feature**
1146 -|**SW1**|(((
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" %)(((
1147 1147  ISP position: Upgrade firmware via UART
1148 1148  
1149 1149  Flash position: Configure device, check running status.
1150 1150  )))
1151 -|**SW2**|(((
1151 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
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
1162 1162  
1163 -User can check this URL for some case studies.
1162 += 4. Case Study =
1164 1164  
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]]
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]]
1166 1166  
1167 1167  
1167 += 5. Use AT Command =
1168 1168  
1169 +== 5.1 Access AT Command ==
1169 1169  
1170 -1. Use AT Command
1171 -11. Access AT Command
1172 -
1173 1173  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.
1174 1174  
1175 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1173 +[[image:1654135840598-282.png]]
1176 1176  
1177 1177  
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:
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:
1179 1179  
1180 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1178 +[[image:1654136105500-922.png]]
1181 1181  
1182 1182  
1181 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1183 1183  
1184 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1185 1185  
1184 +== 5.2 Common AT Command Sequence ==
1186 1186  
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 -
1192 1192  If device has not joined network yet:
1193 1193  
1194 -AT+FDR
1190 +(% class="box infomessage" %)
1191 +(((
1192 +**AT+FDR**
1193 +)))
1195 1195  
1196 -AT+NJM=0
1195 +(% class="box infomessage" %)
1196 +(((
1197 +**AT+NJM=0**
1198 +)))
1197 1197  
1198 -ATZ
1200 +(% class="box infomessage" %)
1201 +(((
1202 +**ATZ**
1203 +)))
1199 1199  
1200 1200  
1201 1201  If device already joined network:
1202 1202  
1203 -AT+NJM=0
1208 +(% class="box infomessage" %)
1209 +(((
1210 +**AT+NJM=0**
1211 +)))
1204 1204  
1205 -ATZ
1213 +(% class="box infomessage" %)
1214 +(((
1215 +**ATZ**
1216 +)))
1206 1206  
1207 -1.
1208 -11.
1209 -111. Single-channel ABP mode (Use with LG01/LG02)
1210 1210  
1211 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1219 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1212 1212  
1213 -AT+NJM=0 Set to ABP mode
1214 1214  
1215 -AT+ADR=0 Set the Adaptive Data Rate Off
1222 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1216 1216  
1217 -AT+DR=5  Set Data Rate
1224 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1218 1218  
1219 -AT+TDC=60000  Set transmit interval to 60 seconds
1226 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1220 1220  
1221 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1228 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1222 1222  
1223 -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
1224 1224  
1225 -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
1226 1226  
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.
1234 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1228 1228  
1229 -ATZ          Reset MCU
1236 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1230 1230  
1231 -**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.
1232 1232  
1240 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1241 +
1242 +(% style="color:red" %)**Note:**
1243 +
1233 1233  1. Make sure the device is set to ABP mode in the IoT Server.
1234 1234  1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1235 1235  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.
... ... @@ -1280,7 +1280,7 @@
1280 1280  [[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]]
1281 1281  
1282 1282  
1283 -1.
1294 +1.
1284 1284  11. How to change the LoRa Frequency Bands/Region?
1285 1285  
1286 1286  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1287,7 +1287,7 @@
1287 1287  
1288 1288  
1289 1289  
1290 -1.
1301 +1.
1291 1291  11. How many RS485-Slave can RS485-BL connects?
1292 1292  
1293 1293  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]].
... ... @@ -1304,7 +1304,7 @@
1304 1304  
1305 1305  
1306 1306  
1307 -1.
1318 +1.
1308 1308  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1309 1309  
1310 1310  It might about the channels mapping. Please see for detail.
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