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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.41
edited by Xiaoling
on 2022/06/02 09:12
Change comment: There is no comment for this version
To version 30.2
edited by Xiaoling
on 2022/06/02 09:18
Change comment: There is no comment for this version

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... ... @@ -744,6 +744,7 @@
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
745 745  
746 746  
747 +
747 747  === 3.5.1 Common Commands: ===
748 748  
749 749  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]]
... ... @@ -751,7 +751,6 @@
751 751  
752 752  === 3.5.2 Sensor related commands: ===
753 753  
754 -(% class="wikigeneratedid" %)
755 755  ==== ====
756 756  
757 757  ==== **Choose Device Type (RS485 or TTL)** ====
... ... @@ -758,7 +758,7 @@
758 758  
759 759  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
760 760  
761 -* AT Command
761 +* **AT Command**
762 762  
763 763  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
764 764  
... ... @@ -765,17 +765,17 @@
765 765  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
766 766  
767 767  
768 -* Downlink Payload
768 +* **Downlink Payload**
769 769  
770 -**0A aa**     à same as AT+MOD=aa
770 +**0A aa**  ~-~->  same as AT+MOD=aa
771 771  
772 772  
773 773  
774 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
774 +==== **RS485 Debug Command (AT+CFGDEV)** ====
775 775  
776 776  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
777 777  
778 -* AT Command
778 +* **AT Command**
779 779  
780 780  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
781 781  
... ... @@ -782,9 +782,8 @@
782 782  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
783 783  
784 784  
785 +* **Downlink Payload**
785 785  
786 -* Downlink Payload
787 -
788 788  Format: A8 MM NN XX XX XX XX YY
789 789  
790 790  Where:
... ... @@ -798,15 +798,15 @@
798 798  
799 799  To connect a Modbus Alarm with below commands.
800 800  
801 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
800 +* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
802 802  
803 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
802 +* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
804 804  
805 805  So if user want to use downlink command to control to RS485 Alarm, he can use:
806 806  
807 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
806 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
808 808  
809 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
808 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
810 810  
811 811  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
812 812  
... ... @@ -815,7 +815,7 @@
815 815  
816 816  Check TTL Sensor return:
817 817  
818 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
817 +[[image:1654132684752-193.png]]
819 819  
820 820  
821 821  
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1057 1057  
1058 1058  
1059 1059  
1060 -1.
1059 +1.
1061 1061  11. Buttons
1062 1062  
1063 1063  |**Button**|**Feature**
1064 1064  |**RST**|Reboot RS485-BL
1065 1065  
1066 -1.
1065 +1.
1067 1067  11. +3V3 Output
1068 1068  
1069 1069  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1081,7 +1081,7 @@
1081 1081  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1082 1082  
1083 1083  
1084 -1.
1083 +1.
1085 1085  11. +5V Output
1086 1086  
1087 1087  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1101,13 +1101,13 @@
1101 1101  
1102 1102  
1103 1103  
1104 -1.
1103 +1.
1105 1105  11. LEDs
1106 1106  
1107 1107  |**LEDs**|**Feature**
1108 1108  |**LED1**|Blink when device transmit a packet.
1109 1109  
1110 -1.
1109 +1.
1111 1111  11. Switch Jumper
1112 1112  
1113 1113  |**Switch Jumper**|**Feature**
... ... @@ -1153,7 +1153,7 @@
1153 1153  
1154 1154  
1155 1155  
1156 -1.
1155 +1.
1157 1157  11. Common AT Command Sequence
1158 1158  111. Multi-channel ABP mode (Use with SX1301/LG308)
1159 1159  
... ... @@ -1172,8 +1172,8 @@
1172 1172  
1173 1173  ATZ
1174 1174  
1175 -1.
1176 -11.
1174 +1.
1175 +11.
1177 1177  111. Single-channel ABP mode (Use with LG01/LG02)
1178 1178  
1179 1179  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
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1248 1248  [[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]]
1249 1249  
1250 1250  
1251 -1.
1250 +1.
1252 1252  11. How to change the LoRa Frequency Bands/Region?
1253 1253  
1254 1254  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
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1255 1255  
1256 1256  
1257 1257  
1258 -1.
1257 +1.
1259 1259  11. How many RS485-Slave can RS485-BL connects?
1260 1260  
1261 1261  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]].
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1272 1272  
1273 1273  
1274 1274  
1275 -1.
1274 +1.
1276 1276  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1277 1277  
1278 1278  It might about the channels mapping. Please see for detail.
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