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

Summary

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... ... @@ -1122,71 +1122,69 @@
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 -
1126 1126  The 5V output time can be controlled by AT Command.
1127 1127  
1127 +
1128 1128  (% style="color:#037691" %)**AT+5VT=1000**
1129 1129  
1130 +
1130 1130  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1131 1131  
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 -
1137 1137  == 3.9 LEDs ==
1138 1138  
1139 -|**LEDs**|**Feature**
1140 -|**LED1**|Blink when device transmit a packet.
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.
1141 1141  
1142 1142  == 3.10 Switch Jumper ==
1143 1143  
1144 -|**Switch Jumper**|**Feature**
1145 -|**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" %)(((
1146 1146  ISP position: Upgrade firmware via UART
1147 1147  
1148 1148  Flash position: Configure device, check running status.
1149 1149  )))
1150 -|**SW2**|(((
1151 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1151 1151  5V position: set to compatible with 5v I/O.
1152 1152  
1153 1153  3.3v position: set to compatible with 3.3v I/O.,
1154 1154  )))
1155 1155  
1156 -+3.3V: is always ON
1157 +**+3.3V**: is always ON
1157 1157  
1158 -+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.
1159 1159  
1160 -1. Case Study
1161 1161  
1162 -User can check this URL for some case studies.
1162 += 4. Case Study =
1163 1163  
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]]
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 1165  
1166 1166  
1167 += 5. Use AT Command =
1167 1167  
1169 +== 5.1 Access AT Command ==
1168 1168  
1169 -1. Use AT Command
1170 -11. Access AT Command
1171 -
1172 1172  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.
1173 1173  
1174 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1173 +[[image:1654135840598-282.png]]
1175 1175  
1176 1176  
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:
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 1178  
1179 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1178 +[[image:1654136105500-922.png]]
1180 1180  
1181 1181  
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]]
1184 1184  
1185 1185  
1185 +== 5.2 Common AT Command Sequence ==
1186 1186  
1187 -1.
1188 -11. Common AT Command Sequence
1189 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1187 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1190 1190  
1191 1191  If device has not joined network yet:
1192 1192  
... ... @@ -1203,8 +1203,8 @@
1203 1203  
1204 1204  ATZ
1205 1205  
1206 -1.
1207 -11.
1204 +1.
1205 +11.
1208 1208  111. Single-channel ABP mode (Use with LG01/LG02)
1209 1209  
1210 1210  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1279,7 +1279,7 @@
1279 1279  [[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]]
1280 1280  
1281 1281  
1282 -1.
1280 +1.
1283 1283  11. How to change the LoRa Frequency Bands/Region?
1284 1284  
1285 1285  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1286,7 +1286,7 @@
1286 1286  
1287 1287  
1288 1288  
1289 -1.
1287 +1.
1290 1290  11. How many RS485-Slave can RS485-BL connects?
1291 1291  
1292 1292  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]].
... ... @@ -1303,7 +1303,7 @@
1303 1303  
1304 1304  
1305 1305  
1306 -1.
1304 +1.
1307 1307  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1308 1308  
1309 1309  It might about the channels mapping. Please see for detail.
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