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Last modified by Xiaoling on 2025/04/23 15:57
From version 35.2
edited by Xiaoling
on 2022/06/02 10:15
Change comment: There is no comment for this version
To version 33.4
edited by Xiaoling
on 2022/06/02 10:01
Change comment: There is no comment for this version

Summary

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... ... @@ -1122,69 +1122,71 @@
1122 1122  
1123 1123  The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1124 1124  
1125 +
1125 1125  The 5V output time can be controlled by AT Command.
1126 1126  
1127 -
1128 1128  (% style="color:#037691" %)**AT+5VT=1000**
1129 1129  
1130 -
1131 1131  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 1132  
1132 +
1133 1133  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1134 1134  
1135 1135  
1136 +
1136 1136  == 3.9 LEDs ==
1137 1137  
1138 -(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
1139 -|=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 -|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1139 +|**LEDs**|**Feature**
1140 +|**LED1**|Blink when device transmit a packet.
1141 1141  
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" %)(((
1144 +|**Switch Jumper**|**Feature**
1145 +|**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" %)(((
1150 +|**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
1156 ++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.
1158 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1160 1160  
1160 +1. Case Study
1161 1161  
1162 -= 4. Case Study =
1162 +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]]
1164 +[[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  
1169 +1. Use AT Command
1170 +11. Access AT Command
1171 +
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]]
1174 +[[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:
1177 +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]]
1179 +[[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  
1183 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1183 1183  
1184 1184  
1185 -== 5.2 Common AT Command Sequence ==
1186 1186  
1187 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1187 +1.
1188 +11. Common AT Command Sequence
1189 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1188 1188  
1189 1189  If device has not joined network yet:
1190 1190  
... ... @@ -1201,8 +1201,8 @@
1201 1201  
1202 1202  ATZ
1203 1203  
1204 -1.
1205 -11.
1206 +1.
1207 +11.
1206 1206  111. Single-channel ABP mode (Use with LG01/LG02)
1207 1207  
1208 1208  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1277,7 +1277,7 @@
1277 1277  [[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]]
1278 1278  
1279 1279  
1280 -1.
1282 +1.
1281 1281  11. How to change the LoRa Frequency Bands/Region?
1282 1282  
1283 1283  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1284,7 +1284,7 @@
1284 1284  
1285 1285  
1286 1286  
1287 -1.
1289 +1.
1288 1288  11. How many RS485-Slave can RS485-BL connects?
1289 1289  
1290 1290  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]].
... ... @@ -1301,7 +1301,7 @@
1301 1301  
1302 1302  
1303 1303  
1304 -1.
1306 +1.
1305 1305  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1306 1306  
1307 1307  It might about the channels mapping. Please see for detail.
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