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Last modified by Xiaoling on 2025/04/23 15:57
From version 32.2
edited by Xiaoling
on 2022/06/02 09:39
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

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... ... @@ -921,7 +921,6 @@
921 921  
922 922  * **AT+MBFUN=0**: Disable Modbus fast reading.
923 923  
924 -
925 925  **Example:**
926 926  
927 927  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -934,118 +934,136 @@
934 934  [[image:1654133954153-643.png]]
935 935  
936 936  
937 -* Downlink Commands:
936 +* **Downlink Commands:**
938 938  
939 -A9 aa -à Same as AT+MBFUN=aa
938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa
940 940  
941 941  
942 -==== RS485 command timeout ====
943 943  
942 +==== **RS485 command timeout** ====
943 +
944 944  Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
945 945  
946 946  Default value: 0, range:  0 ~~ 5 seconds
947 947  
948 948  
949 -* AT Command:
949 +* **AT Command:**
950 950  
951 -AT+CMDDLaa=hex(bb cc)
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+CMDDLaa=hex(bb cc)**
954 +)))
952 952  
953 -Example:
956 +**Example:**
954 954  
955 955  **AT+CMDDL1=1000** to send the open time to 1000ms
956 956  
957 957  
958 -* Downlink Payload:
961 +* **Downlink Payload:**
959 959  
960 960  0x AA aa bb cc
961 961  
962 962  Same as: AT+CMDDLaa=hex(bb cc)
963 963  
964 - Example:
967 + **Example:**
965 965  
966 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
969 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
967 967  
968 968  
969 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
970 970  
973 +==== **Uplink payload mode** ====
974 +
971 971  Define to use one uplink or multiple uplinks for the sampling.
972 972  
973 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
977 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
974 974  
975 -* AT Command:
979 +* **AT Command:**
976 976  
977 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
978 978  
979 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
980 980  
981 981  
982 -* Downlink Payload:
992 +* **Downlink Payload:**
983 983  
984 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
985 985  
986 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
987 987  
988 988  
989 -==== Manually trigger an Uplink ====
990 990  
1000 +==== **Manually trigger an Uplink** ====
1001 +
991 991  Ask device to send an uplink immediately.
992 992  
993 -* Downlink Payload:
1004 +* **Downlink Payload:**
994 994  
995 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
996 996  
997 997  
998 -==== Clear RS485 Command ====
999 999  
1010 +==== **Clear RS485 Command** ====
1011 +
1000 1000  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1001 1001  
1002 1002  
1003 -* AT Command:
1015 +* **AT Command:**
1004 1004  
1005 -**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
1006 1006  
1007 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1008 -
1009 1009  Example screen shot after clear all RS485 commands. 
1010 1010  
1011 1011  
1012 -
1013 1013  The uplink screen shot is:
1014 1014  
1015 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1016 1016  
1017 1017  
1018 -* Downlink Payload:
1027 +* **Downlink Payload:**
1019 1019  
1020 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1021 1021  
1022 1022  
1023 -==== Set Serial Communication Parameters ====
1024 1024  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1025 1025  Set the Rs485 serial communication parameters:
1026 1026  
1027 -* AT Command:
1037 +* **AT Command:**
1028 1028  
1029 1029  Set Baud Rate:
1030 1030  
1031 -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 +)))
1032 1032  
1046 +Set UART Parity
1033 1033  
1034 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1035 1035  
1036 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1037 -
1038 -
1039 1039  Set STOPBIT
1040 1040  
1041 -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 +)))
1042 1042  
1043 1043  
1044 -* Downlink Payload:
1061 +* **Downlink Payload:**
1045 1045  
1046 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1047 1047  
1048 -Example:
1065 +**Example:**
1049 1049  
1050 1050  * A7 01 00 60   same as AT+BAUDR=9600
1051 1051  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1055,54 +1055,51 @@
1055 1055  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1056 1056  
1057 1057  
1058 -==== Control output power duration ====
1059 1059  
1076 +==== **Control output power duration** ====
1077 +
1060 1060  User can set the output power duration before each sampling.
1061 1061  
1062 -* AT Command:
1080 +* **AT Command:**
1063 1063  
1064 -Example:
1082 +**Example:**
1065 1065  
1066 -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.
1067 1067  
1068 -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.
1069 1069  
1070 1070  
1071 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1072 1072  
1073 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1074 1074  
1075 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1076 1076  
1077 1077  
1096 +== 3.6 Buttons ==
1078 1078  
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
1079 1079  
1080 -1.
1081 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1082 1082  
1083 -|**Button**|**Feature**
1084 -|**RST**|Reboot RS485-BL
1085 -
1086 -1.
1087 -11. +3V3 Output
1088 -
1089 1089  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1090 1090  
1091 1091  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. 
1092 1092  
1093 -
1094 1094  The +3V3 output time can be controlled by AT Command.
1095 1095  
1096 -**AT+3V3T=1000**
1097 1097  
1098 -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**
1099 1099  
1100 1100  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1101 1101  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1102 1102  
1103 1103  
1104 -1.
1105 -11. +5V Output
1119 +== 3.8 +5V Output ==
1106 1106  
1107 1107  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1108 1108  
... ... @@ -1111,7 +1111,7 @@
1111 1111  
1112 1112  The 5V output time can be controlled by AT Command.
1113 1113  
1114 -**AT+5VT=1000**
1128 +(% style="color:#037691" %)**AT+5VT=1000**
1115 1115  
1116 1116  Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1117 1117  
... ... @@ -1120,15 +1120,12 @@
1120 1120  
1121 1121  
1122 1122  
1137 +== 3.9 LEDs ==
1123 1123  
1124 -1.
1125 -11. LEDs
1126 -
1127 1127  |**LEDs**|**Feature**
1128 1128  |**LED1**|Blink when device transmit a packet.
1129 1129  
1130 -1.
1131 -11. Switch Jumper
1142 +== 3.10 Switch Jumper ==
1132 1132  
1133 1133  |**Switch Jumper**|**Feature**
1134 1134  |**SW1**|(((
... ... @@ -1173,7 +1173,7 @@
1173 1173  
1174 1174  
1175 1175  
1176 -1.
1187 +1.
1177 1177  11. Common AT Command Sequence
1178 1178  111. Multi-channel ABP mode (Use with SX1301/LG308)
1179 1179  
... ... @@ -1192,8 +1192,8 @@
1192 1192  
1193 1193  ATZ
1194 1194  
1195 -1.
1196 -11.
1206 +1.
1207 +11.
1197 1197  111. Single-channel ABP mode (Use with LG01/LG02)
1198 1198  
1199 1199  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1268,7 +1268,7 @@
1268 1268  [[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]]
1269 1269  
1270 1270  
1271 -1.
1282 +1.
1272 1272  11. How to change the LoRa Frequency Bands/Region?
1273 1273  
1274 1274  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1275,7 +1275,7 @@
1275 1275  
1276 1276  
1277 1277  
1278 -1.
1289 +1.
1279 1279  11. How many RS485-Slave can RS485-BL connects?
1280 1280  
1281 1281  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]].
... ... @@ -1292,7 +1292,7 @@
1292 1292  
1293 1293  
1294 1294  
1295 -1.
1306 +1.
1296 1296  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1297 1297  
1298 1298  It might about the channels mapping. Please see for detail.
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