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Last modified by Xiaoling on 2025/04/23 15:57
From version 32.8
edited by Xiaoling
on 2022/06/02 09:44
Change comment: There is no comment for this version
To version 33.9
edited by Xiaoling
on 2022/06/02 10:06
Change comment: There is no comment for this version

Summary

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... ... @@ -991,71 +991,78 @@
991 991  
992 992  * **Downlink Payload:**
993 993  
994 -0xAD 00  **~-~->** Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
995 995  
996 -0xAD 01  **~-~->** Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
997 997  
998 998  
999 -==== Manually trigger an Uplink ====
1000 1000  
1000 +==== **Manually trigger an Uplink** ====
1001 +
1001 1001  Ask device to send an uplink immediately.
1002 1002  
1003 -* Downlink Payload:
1004 +* **Downlink Payload:**
1004 1004  
1005 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
1006 1006  
1007 1007  
1008 -==== Clear RS485 Command ====
1009 1009  
1010 +==== **Clear RS485 Command** ====
1011 +
1010 1010  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1011 1011  
1012 1012  
1013 -* AT Command:
1015 +* **AT Command:**
1014 1014  
1015 -**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1017 +(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1016 1016  
1017 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1018 -
1019 1019  Example screen shot after clear all RS485 commands. 
1020 1020  
1021 1021  
1022 -
1023 1023  The uplink screen shot is:
1024 1024  
1025 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1026 1026  
1027 1027  
1028 -* Downlink Payload:
1027 +* **Downlink Payload:**
1029 1029  
1030 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1031 1031  
1032 1032  
1033 -==== Set Serial Communication Parameters ====
1034 1034  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1035 1035  Set the Rs485 serial communication parameters:
1036 1036  
1037 -* AT Command:
1037 +* **AT Command:**
1038 1038  
1039 1039  Set Baud Rate:
1040 1040  
1041 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1041 +(% class="box infomessage" %)
1042 +(((
1043 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1044 +)))
1042 1042  
1046 +Set UART Parity
1043 1043  
1044 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1045 1045  
1046 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1047 -
1048 -
1049 1049  Set STOPBIT
1050 1050  
1051 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1055 +(% class="box infomessage" %)
1056 +(((
1057 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1058 +)))
1052 1052  
1053 1053  
1054 -* Downlink Payload:
1061 +* **Downlink Payload:**
1055 1055  
1056 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1057 1057  
1058 -Example:
1065 +**Example:**
1059 1059  
1060 1060  * A7 01 00 60   same as AT+BAUDR=9600
1061 1061  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1065,99 +1065,96 @@
1065 1065  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1066 1066  
1067 1067  
1068 -==== Control output power duration ====
1069 1069  
1076 +==== **Control output power duration** ====
1077 +
1070 1070  User can set the output power duration before each sampling.
1071 1071  
1072 -* AT Command:
1080 +* **AT Command:**
1073 1073  
1074 -Example:
1082 +**Example:**
1075 1075  
1076 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1084 +**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1077 1077  
1078 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1086 +**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1079 1079  
1080 1080  
1081 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1082 1082  
1083 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1084 1084  
1085 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1086 1086  
1087 1087  
1096 +== 3.6 Buttons ==
1088 1088  
1098 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1099 +|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1100 +|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1089 1089  
1090 -1.
1091 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1092 1092  
1093 -|**Button**|**Feature**
1094 -|**RST**|Reboot RS485-BL
1095 -
1096 -1.
1097 -11. +3V3 Output
1098 -
1099 1099  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1100 1100  
1101 1101  The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1102 1102  
1103 -
1104 1104  The +3V3 output time can be controlled by AT Command.
1105 1105  
1106 -**AT+3V3T=1000**
1107 1107  
1108 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1111 +(% style="color:#037691" %)**AT+3V3T=1000**
1109 1109  
1110 1110  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1111 1111  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1112 1112  
1113 1113  
1114 -1.
1115 -11. +5V Output
1119 +== 3.8 +5V Output ==
1116 1116  
1117 1117  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1118 1118  
1119 1119  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. 
1120 1120  
1121 -
1122 1122  The 5V output time can be controlled by AT Command.
1123 1123  
1124 -**AT+5VT=1000**
1125 1125  
1126 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1128 +(% style="color:#037691" %)**AT+5VT=1000**
1127 1127  
1128 1128  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1129 1129  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.
1130 1130  
1131 1131  
1136 +== 3.9 LEDs ==
1132 1132  
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.
1133 1133  
1134 -1.
1135 -11. LEDs
1136 1136  
1137 -|**LEDs**|**Feature**
1138 -|**LED1**|Blink when device transmit a packet.
1143 +== 3.10 Switch Jumper ==
1139 1139  
1140 -1.
1141 -11. Switch Jumper
1142 -
1143 -|**Switch Jumper**|**Feature**
1144 -|**SW1**|(((
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 1145  ISP position: Upgrade firmware via UART
1146 1146  
1147 1147  Flash position: Configure device, check running status.
1148 1148  )))
1149 -|**SW2**|(((
1152 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1150 1150  5V position: set to compatible with 5v I/O.
1151 1151  
1152 1152  3.3v position: set to compatible with 3.3v I/O.,
1153 1153  )))
1154 1154  
1155 -+3.3V: is always ON
1158 +**+3.3V**: is always ON
1156 1156  
1157 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1160 +**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1158 1158  
1159 -1. Case Study
1160 1160  
1163 += 4. Case Study =
1164 +
1161 1161  User can check this URL for some case studies.
1162 1162  
1163 1163  [[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]]
... ... @@ -1183,7 +1183,7 @@
1183 1183  
1184 1184  
1185 1185  
1186 -1.
1190 +1.
1187 1187  11. Common AT Command Sequence
1188 1188  111. Multi-channel ABP mode (Use with SX1301/LG308)
1189 1189  
... ... @@ -1202,8 +1202,8 @@
1202 1202  
1203 1203  ATZ
1204 1204  
1205 -1.
1206 -11.
1209 +1.
1210 +11.
1207 1207  111. Single-channel ABP mode (Use with LG01/LG02)
1208 1208  
1209 1209  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1278,7 +1278,7 @@
1278 1278  [[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]]
1279 1279  
1280 1280  
1281 -1.
1285 +1.
1282 1282  11. How to change the LoRa Frequency Bands/Region?
1283 1283  
1284 1284  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1285,7 +1285,7 @@
1285 1285  
1286 1286  
1287 1287  
1288 -1.
1292 +1.
1289 1289  11. How many RS485-Slave can RS485-BL connects?
1290 1290  
1291 1291  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]].
... ... @@ -1302,7 +1302,7 @@
1302 1302  
1303 1303  
1304 1304  
1305 -1.
1309 +1.
1306 1306  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1307 1307  
1308 1308  It might about the channels mapping. Please see for detail.
1654134704555-320.png
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... ... @@ -1,0 +1,1 @@
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