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Last modified by Xiaoling on 2025/04/23 15:57
From version 33.9
edited by Xiaoling
on 2022/06/02 10:06
Change comment: There is no comment for this version
To version 33.5
edited by Xiaoling
on 2022/06/02 10:01
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1099,6 +1099,7 @@
1099 1099  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1100 1100  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1101 1101  
1102 +
1102 1102  == 3.7 +3V3 Output ==
1103 1103  
1104 1104  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1122,46 +1122,43 @@
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  
1126 +
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  
1133 +
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  
1137 +
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.
1140 +|**LEDs**|**Feature**
1141 +|**LED1**|Blink when device transmit a packet.
1141 1141  
1142 -
1143 1143  == 3.10 Switch Jumper ==
1144 1144  
1145 -(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1146 -|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1147 -|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1145 +|**Switch Jumper**|**Feature**
1146 +|**SW1**|(((
1148 1148  ISP position: Upgrade firmware via UART
1149 1149  
1150 1150  Flash position: Configure device, check running status.
1151 1151  )))
1152 -|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1151 +|**SW2**|(((
1153 1153  5V position: set to compatible with 5v I/O.
1154 1154  
1155 1155  3.3v position: set to compatible with 3.3v I/O.,
1156 1156  )))
1157 1157  
1158 -**+3.3V**: is always ON
1157 ++3.3V: is always ON
1159 1159  
1160 -**+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.
1161 1161  
1161 +1. Case Study
1162 1162  
1163 -= 4. Case Study =
1164 -
1165 1165  User can check this URL for some case studies.
1166 1166  
1167 1167  [[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]]
... ... @@ -1187,7 +1187,7 @@
1187 1187  
1188 1188  
1189 1189  
1190 -1.
1188 +1.
1191 1191  11. Common AT Command Sequence
1192 1192  111. Multi-channel ABP mode (Use with SX1301/LG308)
1193 1193  
... ... @@ -1206,8 +1206,8 @@
1206 1206  
1207 1207  ATZ
1208 1208  
1209 -1.
1210 -11.
1207 +1.
1208 +11.
1211 1211  111. Single-channel ABP mode (Use with LG01/LG02)
1212 1212  
1213 1213  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1282,7 +1282,7 @@
1282 1282  [[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]]
1283 1283  
1284 1284  
1285 -1.
1283 +1.
1286 1286  11. How to change the LoRa Frequency Bands/Region?
1287 1287  
1288 1288  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1289,7 +1289,7 @@
1289 1289  
1290 1290  
1291 1291  
1292 -1.
1290 +1.
1293 1293  11. How many RS485-Slave can RS485-BL connects?
1294 1294  
1295 1295  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]].
... ... @@ -1306,7 +1306,7 @@
1306 1306  
1307 1307  
1308 1308  
1309 -1.
1307 +1.
1310 1310  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1311 1311  
1312 1312  It might about the channels mapping. Please see for detail.