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Last modified by Xiaoling on 2025/04/23 15:57
From version 30.2
edited by Xiaoling
on 2022/06/02 09:18
Change comment: There is no comment for this version
To version 29.44
edited by Xiaoling
on 2022/06/02 09:15
Change comment: There is no comment for this version

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... ... @@ -744,7 +744,6 @@
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 -
748 748  === 3.5.1 Common Commands: ===
749 749  
750 750  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]]
... ... @@ -752,6 +752,7 @@
752 752  
753 753  === 3.5.2 Sensor related commands: ===
754 754  
754 +(% class="wikigeneratedid" %)
755 755  ==== ====
756 756  
757 757  ==== **Choose Device Type (RS485 or TTL)** ====
... ... @@ -793,19 +793,20 @@
793 793  * XX XX XX XX: RS485 command total NN bytes
794 794  * YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
795 795  
796 +
796 796  **Example 1:**
797 797  
798 798  To connect a Modbus Alarm with below commands.
799 799  
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.
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.
801 801  
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.
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.
803 803  
804 804  So if user want to use downlink command to control to RS485 Alarm, he can use:
805 805  
806 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
807 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
807 807  
808 -(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
809 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
809 809  
810 810  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.
811 811  
... ... @@ -814,7 +814,7 @@
814 814  
815 815  Check TTL Sensor return:
816 816  
817 -[[image:1654132684752-193.png]]
818 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
818 818  
819 819  
820 820  
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1056 1056  
1057 1057  
1058 1058  
1059 -1.
1060 +1.
1060 1060  11. Buttons
1061 1061  
1062 1062  |**Button**|**Feature**
1063 1063  |**RST**|Reboot RS485-BL
1064 1064  
1065 -1.
1066 +1.
1066 1066  11. +3V3 Output
1067 1067  
1068 1068  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1080,7 +1080,7 @@
1080 1080  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1081 1081  
1082 1082  
1083 -1.
1084 +1.
1084 1084  11. +5V Output
1085 1085  
1086 1086  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1100,13 +1100,13 @@
1100 1100  
1101 1101  
1102 1102  
1103 -1.
1104 +1.
1104 1104  11. LEDs
1105 1105  
1106 1106  |**LEDs**|**Feature**
1107 1107  |**LED1**|Blink when device transmit a packet.
1108 1108  
1109 -1.
1110 +1.
1110 1110  11. Switch Jumper
1111 1111  
1112 1112  |**Switch Jumper**|**Feature**
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1152 1152  
1153 1153  
1154 1154  
1155 -1.
1156 +1.
1156 1156  11. Common AT Command Sequence
1157 1157  111. Multi-channel ABP mode (Use with SX1301/LG308)
1158 1158  
... ... @@ -1171,8 +1171,8 @@
1171 1171  
1172 1172  ATZ
1173 1173  
1174 -1.
1175 -11.
1175 +1.
1176 +11.
1176 1176  111. Single-channel ABP mode (Use with LG01/LG02)
1177 1177  
1178 1178  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
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1247 1247  [[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]]
1248 1248  
1249 1249  
1250 -1.
1251 +1.
1251 1251  11. How to change the LoRa Frequency Bands/Region?
1252 1252  
1253 1253  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1254,7 +1254,7 @@
1254 1254  
1255 1255  
1256 1256  
1257 -1.
1258 +1.
1258 1258  11. How many RS485-Slave can RS485-BL connects?
1259 1259  
1260 1260  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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1271 1271  
1272 1272  
1273 1273  
1274 -1.
1275 +1.
1275 1275  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1276 1276  
1277 1277  It might about the channels mapping. Please see for detail.
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