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Last modified by Xiaoling on 2025/04/23 15:57
From version 32.3
edited by Xiaoling
on 2022/06/02 09:39
Change comment: There is no comment for this version
To version 33.10
edited by Xiaoling
on 2022/06/02 10:09
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).
... ... @@ -940,7 +940,7 @@
940 940  
941 941  
942 942  
943 -==== RS485 command timeout ====
942 +==== **RS485 command timeout** ====
944 944  
945 945  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.
946 946  
... ... @@ -947,106 +947,123 @@
947 947  Default value: 0, range:  0 ~~ 5 seconds
948 948  
949 949  
950 -* AT Command:
949 +* **AT Command:**
951 951  
952 -AT+CMDDLaa=hex(bb cc)
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+CMDDLaa=hex(bb cc)**
954 +)))
953 953  
954 -Example:
956 +**Example:**
955 955  
956 956  **AT+CMDDL1=1000** to send the open time to 1000ms
957 957  
958 958  
959 -* Downlink Payload:
961 +* **Downlink Payload:**
960 960  
961 961  0x AA aa bb cc
962 962  
963 963  Same as: AT+CMDDLaa=hex(bb cc)
964 964  
965 - Example:
967 + **Example:**
966 966  
967 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
969 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
968 968  
969 969  
970 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
971 971  
973 +==== **Uplink payload mode** ====
974 +
972 972  Define to use one uplink or multiple uplinks for the sampling.
973 973  
974 -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"]]
975 975  
976 -* AT Command:
979 +* **AT Command:**
977 977  
978 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
979 979  
980 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
981 981  
982 982  
983 -* Downlink Payload:
992 +* **Downlink Payload:**
984 984  
985 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
986 986  
987 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
988 988  
989 989  
990 -==== Manually trigger an Uplink ====
991 991  
1000 +==== **Manually trigger an Uplink** ====
1001 +
992 992  Ask device to send an uplink immediately.
993 993  
994 -* Downlink Payload:
1004 +* **Downlink Payload:**
995 995  
996 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
997 997  
998 998  
999 -==== Clear RS485 Command ====
1000 1000  
1010 +==== **Clear RS485 Command** ====
1011 +
1001 1001  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1002 1002  
1003 1003  
1004 -* AT Command:
1015 +* **AT Command:**
1005 1005  
1006 -**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
1007 1007  
1008 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1009 -
1010 1010  Example screen shot after clear all RS485 commands. 
1011 1011  
1012 1012  
1013 -
1014 1014  The uplink screen shot is:
1015 1015  
1016 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1017 1017  
1018 1018  
1019 -* Downlink Payload:
1027 +* **Downlink Payload:**
1020 1020  
1021 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1022 1022  
1023 1023  
1024 -==== Set Serial Communication Parameters ====
1025 1025  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1026 1026  Set the Rs485 serial communication parameters:
1027 1027  
1028 -* AT Command:
1037 +* **AT Command:**
1029 1029  
1030 1030  Set Baud Rate:
1031 1031  
1032 -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 +)))
1033 1033  
1046 +Set UART Parity
1034 1034  
1035 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1036 1036  
1037 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1038 -
1039 -
1040 1040  Set STOPBIT
1041 1041  
1042 -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 +)))
1043 1043  
1044 1044  
1045 -* Downlink Payload:
1061 +* **Downlink Payload:**
1046 1046  
1047 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1048 1048  
1049 -Example:
1065 +**Example:**
1050 1050  
1051 1051  * A7 01 00 60   same as AT+BAUDR=9600
1052 1052  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1056,106 +1056,102 @@
1056 1056  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1057 1057  
1058 1058  
1059 -==== Control output power duration ====
1060 1060  
1076 +==== **Control output power duration** ====
1077 +
1061 1061  User can set the output power duration before each sampling.
1062 1062  
1063 -* AT Command:
1080 +* **AT Command:**
1064 1064  
1065 -Example:
1082 +**Example:**
1066 1066  
1067 -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.
1068 1068  
1069 -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.
1070 1070  
1071 1071  
1072 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1073 1073  
1074 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1075 1075  
1076 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1077 1077  
1078 1078  
1096 +== 3.6 Buttons ==
1079 1079  
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
1080 1080  
1081 -1.
1082 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1083 1083  
1084 -|**Button**|**Feature**
1085 -|**RST**|Reboot RS485-BL
1086 -
1087 -1.
1088 -11. +3V3 Output
1089 -
1090 1090  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1091 1091  
1092 1092  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. 
1093 1093  
1094 -
1095 1095  The +3V3 output time can be controlled by AT Command.
1096 1096  
1097 -**AT+3V3T=1000**
1098 1098  
1099 -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**
1100 1100  
1101 1101  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1102 1102  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1103 1103  
1104 1104  
1105 -1.
1106 -11. +5V Output
1119 +== 3.8 +5V Output ==
1107 1107  
1108 1108  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1109 1109  
1110 1110  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. 
1111 1111  
1112 -
1113 1113  The 5V output time can be controlled by AT Command.
1114 1114  
1115 -**AT+5VT=1000**
1116 1116  
1117 -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**
1118 1118  
1119 1119  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1120 1120  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.
1121 1121  
1122 1122  
1136 +== 3.9 LEDs ==
1123 1123  
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.
1124 1124  
1125 -1.
1126 -11. LEDs
1127 1127  
1128 -|**LEDs**|**Feature**
1129 -|**LED1**|Blink when device transmit a packet.
1143 +== 3.10 Switch Jumper ==
1130 1130  
1131 -1.
1132 -11. Switch Jumper
1133 -
1134 -|**Switch Jumper**|**Feature**
1135 -|**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" %)(((
1136 1136  ISP position: Upgrade firmware via UART
1137 1137  
1138 1138  Flash position: Configure device, check running status.
1139 1139  )))
1140 -|**SW2**|(((
1152 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1141 1141  5V position: set to compatible with 5v I/O.
1142 1142  
1143 1143  3.3v position: set to compatible with 3.3v I/O.,
1144 1144  )))
1145 1145  
1146 -+3.3V: is always ON
1158 +**+3.3V**: is always ON
1147 1147  
1148 -+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.
1149 1149  
1150 -1. Case Study
1151 1151  
1152 -User can check this URL for some case studies.
1163 += 4. Case Study =
1153 1153  
1154 -[[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]]
1165 +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]]
1155 1155  
1156 1156  
1157 1157  
1158 1158  
1170 +
1159 1159  1. Use AT Command
1160 1160  11. Access AT Command
1161 1161  
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