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Last modified by Xiaoling on 2025/04/23 15:57
From version 32.7
edited by Xiaoling
on 2022/06/02 09:43
Change comment: There is no comment for this version
To version 33.8
edited by Xiaoling
on 2022/06/02 10:05
Change comment: There is no comment for this version

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... ... @@ -976,80 +976,93 @@
976 976  
977 977  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
978 978  
979 -* AT Command:
979 +* **AT Command:**
980 980  
981 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
982 982  
983 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
984 984  
985 985  
986 -* Downlink Payload:
992 +* **Downlink Payload:**
987 987  
988 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
989 989  
990 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
991 991  
992 992  
993 -==== Manually trigger an Uplink ====
994 994  
1000 +==== **Manually trigger an Uplink** ====
1001 +
995 995  Ask device to send an uplink immediately.
996 996  
997 -* Downlink Payload:
1004 +* **Downlink Payload:**
998 998  
999 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
1000 1000  
1001 1001  
1002 -==== Clear RS485 Command ====
1003 1003  
1010 +==== **Clear RS485 Command** ====
1011 +
1004 1004  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1005 1005  
1006 1006  
1007 -* AT Command:
1015 +* **AT Command:**
1008 1008  
1009 -**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
1010 1010  
1011 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1012 -
1013 1013  Example screen shot after clear all RS485 commands. 
1014 1014  
1015 1015  
1016 -
1017 1017  The uplink screen shot is:
1018 1018  
1019 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1020 1020  
1021 1021  
1022 -* Downlink Payload:
1027 +* **Downlink Payload:**
1023 1023  
1024 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1025 1025  
1026 1026  
1027 -==== Set Serial Communication Parameters ====
1028 1028  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1029 1029  Set the Rs485 serial communication parameters:
1030 1030  
1031 -* AT Command:
1037 +* **AT Command:**
1032 1032  
1033 1033  Set Baud Rate:
1034 1034  
1035 -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 +)))
1036 1036  
1046 +Set UART Parity
1037 1037  
1038 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1039 1039  
1040 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1041 -
1042 -
1043 1043  Set STOPBIT
1044 1044  
1045 -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 +)))
1046 1046  
1047 1047  
1048 -* Downlink Payload:
1061 +* **Downlink Payload:**
1049 1049  
1050 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1051 1051  
1052 -Example:
1065 +**Example:**
1053 1053  
1054 1054  * A7 01 00 60   same as AT+BAUDR=9600
1055 1055  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1059,97 +1059,94 @@
1059 1059  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1060 1060  
1061 1061  
1062 -==== Control output power duration ====
1063 1063  
1076 +==== **Control output power duration** ====
1077 +
1064 1064  User can set the output power duration before each sampling.
1065 1065  
1066 -* AT Command:
1080 +* **AT Command:**
1067 1067  
1068 -Example:
1082 +**Example:**
1069 1069  
1070 -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.
1071 1071  
1072 -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.
1073 1073  
1074 1074  
1075 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1076 1076  
1077 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1078 1078  
1079 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1080 1080  
1081 1081  
1096 +== 3.6 Buttons ==
1082 1082  
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
1083 1083  
1084 -1.
1085 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1086 1086  
1087 -|**Button**|**Feature**
1088 -|**RST**|Reboot RS485-BL
1089 -
1090 -1.
1091 -11. +3V3 Output
1092 -
1093 1093  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1094 1094  
1095 1095  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. 
1096 1096  
1097 -
1098 1098  The +3V3 output time can be controlled by AT Command.
1099 1099  
1100 -**AT+3V3T=1000**
1101 1101  
1102 -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**
1103 1103  
1104 1104  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1105 1105  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1106 1106  
1107 1107  
1108 -1.
1109 -11. +5V Output
1119 +== 3.8 +5V Output ==
1110 1110  
1111 1111  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1112 1112  
1113 1113  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. 
1114 1114  
1115 -
1116 1116  The 5V output time can be controlled by AT Command.
1117 1117  
1118 -**AT+5VT=1000**
1119 1119  
1120 -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**
1121 1121  
1122 1122  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1123 1123  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.
1124 1124  
1125 1125  
1136 +== 3.9 LEDs ==
1126 1126  
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.
1127 1127  
1128 -1.
1129 -11. LEDs
1130 1130  
1131 -|**LEDs**|**Feature**
1132 -|**LED1**|Blink when device transmit a packet.
1143 +== 3.10 Switch Jumper ==
1133 1133  
1134 -1.
1135 -11. Switch Jumper
1136 -
1137 -|**Switch Jumper**|**Feature**
1138 -|**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" %)(((
1139 1139  ISP position: Upgrade firmware via UART
1140 1140  
1141 1141  Flash position: Configure device, check running status.
1142 1142  )))
1143 -|**SW2**|(((
1152 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1144 1144  5V position: set to compatible with 5v I/O.
1145 1145  
1146 1146  3.3v position: set to compatible with 3.3v I/O.,
1147 1147  )))
1148 1148  
1149 -+3.3V: is always ON
1158 +**+3.3V**: is always ON
1150 1150  
1151 -+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.
1152 1152  
1162 +
1153 1153  1. Case Study
1154 1154  
1155 1155  User can check this URL for some case studies.
... ... @@ -1177,7 +1177,7 @@
1177 1177  
1178 1178  
1179 1179  
1180 -1.
1190 +1.
1181 1181  11. Common AT Command Sequence
1182 1182  111. Multi-channel ABP mode (Use with SX1301/LG308)
1183 1183  
... ... @@ -1196,8 +1196,8 @@
1196 1196  
1197 1197  ATZ
1198 1198  
1199 -1.
1200 -11.
1209 +1.
1210 +11.
1201 1201  111. Single-channel ABP mode (Use with LG01/LG02)
1202 1202  
1203 1203  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1272,7 +1272,7 @@
1272 1272  [[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]]
1273 1273  
1274 1274  
1275 -1.
1285 +1.
1276 1276  11. How to change the LoRa Frequency Bands/Region?
1277 1277  
1278 1278  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1279,7 +1279,7 @@
1279 1279  
1280 1280  
1281 1281  
1282 -1.
1292 +1.
1283 1283  11. How many RS485-Slave can RS485-BL connects?
1284 1284  
1285 1285  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]].
... ... @@ -1296,7 +1296,7 @@
1296 1296  
1297 1297  
1298 1298  
1299 -1.
1309 +1.
1300 1300  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1301 1301  
1302 1302  It might about the channels mapping. Please see for detail.
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