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Last modified by Xiaoling on 2025/04/23 15:57
From version 40.55
edited by Xiaoling
on 2022/06/06 10:52
Change comment: There is no comment for this version
To version 41.15
edited by Xiaoling
on 2022/06/06 10:59
Change comment: There is no comment for this version

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823 823  
824 824  == 3.4 Uplink Payload ==
825 825  
826 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
827 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
828 -|Value|(% style="width:130px" %)(((
829 -(((
830 -Battery(mV)
831 -)))
826 +[[image:image-20220606105412-1.png]]
832 832  
833 -(((
834 -&
835 -)))
836 -
837 -(((
838 -Interrupt _Flag
839 -)))
840 -)))|(% style="width:93px" %)(((
841 -PAYLOAD_VER
842 -
843 -
844 -)))|(% style="width:509px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
845 -
846 846  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
847 847  
848 848  (((
... ... @@ -908,6 +908,8 @@
908 908  
909 909  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
910 910  
893 +
894 +
911 911  === 3.5.1 Common Commands: ===
912 912  
913 913  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -916,6 +916,7 @@
916 916  === 3.5.2 Sensor related commands: ===
917 917  
918 918  
903 +
919 919  ==== **Choose Device Type (RS485 or TTL)** ====
920 920  
921 921  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -939,6 +939,7 @@
939 939  
940 940  
941 941  
927 +
942 942  ==== **RS485 Debug Command (AT+CFGDEV)** ====
943 943  
944 944  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
... ... @@ -990,6 +990,7 @@
990 990  
991 991  
992 992  
979 +
993 993  ==== **Set Payload version** ====
994 994  
995 995  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
... ... @@ -1010,6 +1010,7 @@
1010 1010  
1011 1011  
1012 1012  
1000 +
1013 1013  ==== **Set RS485 Sampling Commands** ====
1014 1014  
1015 1015  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
... ... @@ -1071,6 +1071,7 @@
1071 1071  
1072 1072  
1073 1073  
1062 +
1074 1074  ==== **Fast command to handle MODBUS device** ====
1075 1075  
1076 1076  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]].
... ... @@ -1104,6 +1104,7 @@
1104 1104  
1105 1105  
1106 1106  
1096 +
1107 1107  ==== **RS485 command timeout** ====
1108 1108  
1109 1109  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.
... ... @@ -1135,6 +1135,7 @@
1135 1135  
1136 1136  
1137 1137  
1128 +
1138 1138  ==== **Uplink payload mode** ====
1139 1139  
1140 1140  Define to use one uplink or multiple uplinks for the sampling.
... ... @@ -1181,7 +1181,9 @@
1181 1181  
1182 1182  * **AT Command:**
1183 1183  
1175 +(((
1184 1184  (% 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
1177 +)))
1185 1185  
1186 1186  Example screen shot after clear all RS485 commands. 
1187 1187  
... ... @@ -1197,6 +1197,7 @@
1197 1197  
1198 1198  
1199 1199  
1193 +
1200 1200  ==== **Set Serial Communication Parameters** ====
1201 1201  
1202 1202  Set the Rs485 serial communication parameters:
... ... @@ -1240,6 +1240,7 @@
1240 1240  
1241 1241  
1242 1242  
1237 +
1243 1243  ==== **Control output power duration** ====
1244 1244  
1245 1245  User can set the output power duration before each sampling.
... ... @@ -1267,6 +1267,8 @@
1267 1267  |=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1268 1268  |(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1269 1269  
1265 +
1266 +
1270 1270  == 3.7 +3V3 Output ==
1271 1271  
1272 1272  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
image-20220606105412-1.png
Author
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1 +XWiki.Xiaoling
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