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Last modified by Xiaoling on 2025/04/23 15:57
From version 30.7
edited by Xiaoling
on 2022/06/02 09:35
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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... ... @@ -895,9 +895,9 @@
895 895  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
896 896  
897 897  
898 -0xAB downlink command can be used for set AT+SEARCHx
898 +**0xAB** downlink command can be used for set AT+SEARCHx
899 899  
900 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
900 +**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
901 901  
902 902  * AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
903 903  * AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
... ... @@ -905,145 +905,164 @@
905 905  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
906 906  
907 907  
908 -==== Fast command to handle MODBUS device ====
909 909  
909 +==== **Fast command to handle MODBUS device** ====
910 +
910 910  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
911 911  
912 912  This command is valid since v1.3 firmware version
913 913  
914 914  
915 -AT+MBFUN has only two value:
916 +**AT+MBFUN has only two value:**
916 916  
917 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
918 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
918 918  
919 919  AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
920 920  
921 -* AT+MBFUN=0: Disable Modbus fast reading.
922 +* **AT+MBFUN=0**: Disable Modbus fast reading.
922 922  
923 -Example:
924 +**Example:**
924 924  
925 925  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
926 926  * AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
927 927  * AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
928 928  
929 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
930 +[[image:1654133913295-597.png]]
930 930  
931 931  
932 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
933 +[[image:1654133954153-643.png]]
933 933  
934 934  
935 -* Downlink Commands:
936 +* **Downlink Commands:**
936 936  
937 -A9 aa -à Same as AT+MBFUN=aa
938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa
938 938  
939 939  
940 -==== RS485 command timeout ====
941 941  
942 +==== **RS485 command timeout** ====
943 +
942 942  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.
943 943  
944 944  Default value: 0, range:  0 ~~ 5 seconds
945 945  
946 946  
947 -* AT Command:
949 +* **AT Command:**
948 948  
949 -AT+CMDDLaa=hex(bb cc)
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+CMDDLaa=hex(bb cc)**
954 +)))
950 950  
951 -Example:
956 +**Example:**
952 952  
953 953  **AT+CMDDL1=1000** to send the open time to 1000ms
954 954  
955 955  
956 -* Downlink Payload:
961 +* **Downlink Payload:**
957 957  
958 958  0x AA aa bb cc
959 959  
960 960  Same as: AT+CMDDLaa=hex(bb cc)
961 961  
962 - Example:
967 + **Example:**
963 963  
964 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
969 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
965 965  
966 966  
967 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
968 968  
973 +==== **Uplink payload mode** ====
974 +
969 969  Define to use one uplink or multiple uplinks for the sampling.
970 970  
971 -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"]]
972 972  
973 -* AT Command:
979 +* **AT Command:**
974 974  
975 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
976 976  
977 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
978 978  
979 979  
980 -* Downlink Payload:
992 +* **Downlink Payload:**
981 981  
982 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
983 983  
984 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
985 985  
986 986  
987 -==== Manually trigger an Uplink ====
988 988  
1000 +==== **Manually trigger an Uplink** ====
1001 +
989 989  Ask device to send an uplink immediately.
990 990  
991 -* Downlink Payload:
1004 +* **Downlink Payload:**
992 992  
993 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
994 994  
995 995  
996 -==== Clear RS485 Command ====
997 997  
1010 +==== **Clear RS485 Command** ====
1011 +
998 998  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
999 999  
1000 1000  
1001 -* AT Command:
1015 +* **AT Command:**
1002 1002  
1003 -**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
1004 1004  
1005 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1006 -
1007 1007  Example screen shot after clear all RS485 commands. 
1008 1008  
1009 1009  
1010 -
1011 1011  The uplink screen shot is:
1012 1012  
1013 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1014 1014  
1015 1015  
1016 -* Downlink Payload:
1027 +* **Downlink Payload:**
1017 1017  
1018 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1019 1019  
1020 1020  
1021 -==== Set Serial Communication Parameters ====
1022 1022  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1023 1023  Set the Rs485 serial communication parameters:
1024 1024  
1025 -* AT Command:
1037 +* **AT Command:**
1026 1026  
1027 1027  Set Baud Rate:
1028 1028  
1029 -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 +)))
1030 1030  
1046 +Set UART Parity
1031 1031  
1032 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1033 1033  
1034 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1035 -
1036 -
1037 1037  Set STOPBIT
1038 1038  
1039 -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 +)))
1040 1040  
1041 1041  
1042 -* Downlink Payload:
1061 +* **Downlink Payload:**
1043 1043  
1044 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1045 1045  
1046 -Example:
1065 +**Example:**
1047 1047  
1048 1048  * A7 01 00 60   same as AT+BAUDR=9600
1049 1049  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1053,97 +1053,94 @@
1053 1053  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1054 1054  
1055 1055  
1056 -==== Control output power duration ====
1057 1057  
1076 +==== **Control output power duration** ====
1077 +
1058 1058  User can set the output power duration before each sampling.
1059 1059  
1060 -* AT Command:
1080 +* **AT Command:**
1061 1061  
1062 -Example:
1082 +**Example:**
1063 1063  
1064 -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.
1065 1065  
1066 -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.
1067 1067  
1068 1068  
1069 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1070 1070  
1071 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1072 1072  
1073 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1074 1074  
1075 1075  
1096 +== 3.6 Buttons ==
1076 1076  
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
1077 1077  
1078 -1.
1079 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1080 1080  
1081 -|**Button**|**Feature**
1082 -|**RST**|Reboot RS485-BL
1083 -
1084 -1.
1085 -11. +3V3 Output
1086 -
1087 1087  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1088 1088  
1089 1089  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. 
1090 1090  
1091 -
1092 1092  The +3V3 output time can be controlled by AT Command.
1093 1093  
1094 -**AT+3V3T=1000**
1095 1095  
1096 -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**
1097 1097  
1098 1098  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1099 1099  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1100 1100  
1101 1101  
1102 -1.
1103 -11. +5V Output
1119 +== 3.8 +5V Output ==
1104 1104  
1105 1105  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1106 1106  
1107 1107  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. 
1108 1108  
1109 -
1110 1110  The 5V output time can be controlled by AT Command.
1111 1111  
1112 -**AT+5VT=1000**
1113 1113  
1114 -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**
1115 1115  
1116 1116  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1117 1117  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.
1118 1118  
1119 1119  
1136 +== 3.9 LEDs ==
1120 1120  
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.
1121 1121  
1122 -1.
1123 -11. LEDs
1124 1124  
1125 -|**LEDs**|**Feature**
1126 -|**LED1**|Blink when device transmit a packet.
1143 +== 3.10 Switch Jumper ==
1127 1127  
1128 -1.
1129 -11. Switch Jumper
1130 -
1131 -|**Switch Jumper**|**Feature**
1132 -|**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" %)(((
1133 1133  ISP position: Upgrade firmware via UART
1134 1134  
1135 1135  Flash position: Configure device, check running status.
1136 1136  )))
1137 -|**SW2**|(((
1152 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1138 1138  5V position: set to compatible with 5v I/O.
1139 1139  
1140 1140  3.3v position: set to compatible with 3.3v I/O.,
1141 1141  )))
1142 1142  
1143 -+3.3V: is always ON
1158 +**+3.3V**: is always ON
1144 1144  
1145 -+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.
1146 1146  
1162 +
1147 1147  1. Case Study
1148 1148  
1149 1149  User can check this URL for some case studies.
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