Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter

Last modified by Xiaoling on 2025/04/23 15:57

From 15.4 to 15.5 From 35.3 to 35.4

From version 15.5

edited by Xiaoling
on 2022/05/19 17:52

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To version 35.3

edited by Xiaoling
on 2022/06/02 10:15

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@@ -7,12 +7,15 @@
  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
++
  **Table of Contents:**
++{{toc/}}
++
  = 1.Introduction =
  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
@@ -22,19 +22,19 @@
  )))
  (((
--The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
++The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%) for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
  )))
  (((
--RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
++RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%) and** (% style="color:blue" %)a 5v output(%%)** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
  )))
  (((
--RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
++RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%) and powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years.
  )))
  (((
--RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
++RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
  )))
  (((
@@ -51,8 +51,11 @@
  [[image:1652953304999-717.png||height="424" width="733"]]
++
++
  == 1.2 Specifications ==
++
  **Hardware System:**
  * STM32L072CZT6 MCU
@@ -59,8 +59,6 @@
  * SX1276/78 Wireless Chip
  * Power Consumption (exclude RS485 device):
  ** Idle: 6uA@3.3v
--
--*
  ** 20dB Transmit: 130mA@3.3v
  **Interface for Model:**
@@ -114,9 +114,12 @@
  [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
++
  == 1.6 Hardware Change log ==
  (((
++
++
  v1.4
  )))
@@ -140,6 +140,8 @@
  (((
  Release version
++
++
  )))
  = 2. Pin mapping and Power ON Device =
@@ -153,6 +153,7 @@
  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
++
  = 3. Operation Mode =
  == 3.1 How it works? ==
@@ -159,6 +159,8 @@
  (((
  The RS485-BL is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-BL. It will auto join the network via OTAA.
++
++
  )))
  == 3.2 Example to join LoRaWAN network ==
@@ -194,8 +194,6 @@
  )))
--
--
  [[image:image-20220519174512-1.png]]
  [[image:image-20220519174512-2.png||height="328" width="731"]]
@@ -219,10 +219,13 @@
  [[image:1652953568895-172.png||height="232" width="724"]]
++
  == 3.3 Configure Commands to read data ==
  (((
--There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
++There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
++
++
  )))
  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
@@ -303,88 +303,103 @@
  )))
  )))
++=== 3.3.2 Configure sensors ===
++(((
++Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**.
++)))
++(((
++When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
++)))
--1.
--11.
--111. Configure sensors
--
--Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
--
--
--When user issue an AT+CFGDEV command, Each AT+CFGDEV equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
--
--|**AT Commands**|**Description**|**Example**
--|AT+CFGDEV|(((
++(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
++|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
++|AT+CFGDEV|(% style="width:418px" %)(((
  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
--AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
++AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
--m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
--)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
++mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
++)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
--Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
++Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]].
++=== 3.3.3 Configure read commands for each sampling ===
--
--
--1.
--11.
--111. Configure read commands for each sampling
--
++(((
  RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
++)))
--
++(((
  During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
++)))
--
++(((
  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
++)))
--
++(((
  This section describes how to achieve above goals.
++)))
--
++(((
  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
++)))
--
++(((
  **Command from RS485-BL to Sensor:**
++)))
++(((
  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
++)))
--
++(((
  **Handle return from sensors to RS485-BL**:
++)))
++(((
  After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
++)))
++* (((
++**AT+DATACUT**
++)))
--* **AT+DATACUT**
--
++(((
  When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
++)))
++* (((
++**AT+SEARCH**
++)))
--* **AT+SEARCH**
--
++(((
  When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
++)))
--
++(((
  **Define wait timeout:**
++)))
++(((
  Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
++)))
--
++(((
  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
++)))
--
  **Examples:**
  Below are examples for the how above AT Commands works.
--
  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
--|(((
++(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:501px" %)
++|(% style="width:498px" %)(((
  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
@@ -396,41 +396,38 @@
  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
--
  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
--|(((
++(% border="1" class="table-bordered" style="background-color:#4f81bd; color:white; width:580px" %)
++|(% style="width:577px" %)(((
  **AT+SEARCHx=aa,xx xx xx xx xx**
  * **aa: 1: prefix match mode; 2: prefix and suffix match mode**
  * **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
--
--
  )))
--Examples:
++**Examples:**
--1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
++1）For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
--The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
++The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)**2e 30 58 5f 36 41 30 31 00 49**
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
++[[image:1653271044481-711.png]]
++2）For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
--1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
--
  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
--Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
++Device will search the bytes between 1E 56 34 and 31 00 49. So it is(% style="background-color:yellow" %) **2e 30 58 5f 36 41 30**
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
++[[image:1653271276735-972.png]]
--
  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
--|(((
++(% style="background-color:#4f81bd; color:white; width:729px" %)
++|(% style="width:726px" %)(((
  **AT+DATACUTx=a,b,c**
  * **a: length for the return of AT+COMMAND**
@@ -438,98 +438,143 @@
  * **c: define the position for valid value.  **
  )))
--Examples:
++**Examples:**
  * Grab bytes:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
++[[image:1653271581490-837.png||height="313" width="722"]]
++
  * Grab a section.
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
++[[image:1653271648378-342.png||height="326" width="720"]]
++
  * Grab different sections.
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
++[[image:1653271657255-576.png||height="305" width="730"]]
++(((
++(% style="color:red" %)**Note:**
++)))
--Note:
--
++(((
  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
++)))
--Example:
++(((
++**Example:**
++)))
--AT+COMMAND1=11 01 1E D0,0
++(((
++(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
++)))
--AT+SEARCH1=1,1E 56 34
++(((
++(% style="color:red" %)AT+SEARCH1=1,1E 56 34
++)))
--AT+DATACUT1=0,2,1~~5
++(((
++(% style="color:red" %)AT+DATACUT1=0,2,1~~5
++)))
--Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
++(((
++(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
++)))
--String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
++(((
++(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
++)))
--Valid payload after DataCUT command: 2e 30 58 5f 36
++(((
++(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
++[[image:1653271763403-806.png]]
++=== 3.3.4 Compose the uplink payload ===
--
--1.
--11.
--111. Compose the uplink payload
--
++(((
  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
++)))
++(((
++(% style="color:#037691" %)**Examples: AT+DATAUP=0**
++)))
--**Examples: AT+DATAUP=0**
++(((
++Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
++)))
--Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
--
++(((
  Final Payload is
++)))
--Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
++(((
++(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
++)))
++(((
  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
++[[image:1653272787040-634.png||height="515" width="719"]]
--**Examples: AT+DATAUP=1**
++(((
++(% style="color:#037691" %)**Examples: AT+DATAUP=1**
--Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
++
++)))
++(((
++Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
++)))
++
++(((
  Final Payload is
++)))
--Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
++(((
++(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
++)))
--1. Battery Info (2 bytes): Battery voltage
--1. PAYVER (1 byte): Defined by AT+PAYVER
--1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
--1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
--1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
++1. (((
++Battery Info (2 bytes): Battery voltage
++)))
++1. (((
++PAYVER (1 byte): Defined by AT+PAYVER
++)))
++1. (((
++PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
++)))
++1. (((
++PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
++)))
++1. (((
++DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
++[[image:1653272817147-600.png||height="437" width="717"]]
--
  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
--DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
--DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
++DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
--DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
++DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
++DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
  Below are the uplink payloads:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
++[[image:1653272901032-107.png]]
--Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
++(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
     ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
@@ -541,139 +541,186 @@
--1.
--11.
--111. Uplink on demand
++=== 3.3.5 Uplink on demand ===
++(((
  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
++)))
++(((
  Downlink control command:
++)))
--[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
++(((
++**0x08 command**: Poll an uplink with current command set in RS485-BL.
++)))
--[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
++(((
++**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
++
++)))
++=== 3.3.6 Uplink on Interrupt ===
--1.
--11.
--111. Uplink on Interrupt
++Put the interrupt sensor between 3.3v_out and GPIO ext.
--Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
++[[image:1653273818896-432.png]]
++
++(((
  AT+INTMOD=0  Disable Interrupt
++)))
++(((
  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
++)))
++(((
  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
++)))
++(((
  AT+INTMOD=3  Interrupt trigger by rising edge.
++
++)))
--1.
--11. Uplink Payload
++== 3.4 Uplink Payload ==
--|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
--|Value|(((
++(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
++|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
++|Value|(% style="width:130px" %)(((
++(((
  Battery(mV)
++)))
++(((
  &
++)))
++(((
  Interrupt _Flag
--)))|(((
++)))
++)))|(% style="width:93px" %)(((
  PAYLOAD_VER
--)))|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.
++)))|(% 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.
  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
++(((
++{{{function Decoder(bytes, port) {}}}
++)))
--function Decoder(bytes, port) {
++(((
++{{{//Payload Formats of RS485-BL Deceive}}}
++)))
--~/~/Payload Formats of RS485-BL Deceive
++(((
++{{{return {}}}
++)))
--return {
++(((
++{{{    //Battery,units:V}}}
++)))
--    ~/~/Battery,units:V
++(((
++{{{    BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}}
++)))
--    BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
++(((
++{{{    //GPIO_EXTI  }}}
++)))
--    ~/~/GPIO_EXTI
++(((
++{{{    EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}}
++)))
--    EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
++(((
++{{{    //payload of version}}}
++)))
--    ~/~/payload of version
++(((
++{{{    Pay_ver:bytes[2],}}}
++)))
--    Pay_ver:bytes[2],
++(((
++{{{    }; }}}
++)))
--    };
++(((
++}
--  }
++
++)))
--
--
--
--
--
--
++(((
  TTN V3 uplink screen shot.
++)))
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
++[[image:1653274001211-372.png||height="192" width="732"]]
--1.
--11. Configure RS485-BL via AT or Downlink
--User can configure RS485-BL via [[AT Commands >>path:#_Using_the_AT]]or LoRaWAN Downlink Commands
++== 3.5 Configure RS485-BL via AT or Downlink ==
++User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands
++
  There are two kinds of Commands:
--* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
++* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, 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]]
--* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
++* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
--1.
--11.
--111. Common Commands:
++=== 3.5.1 Common Commands: ===
--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: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
++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]]
--1.
--11.
--111. Sensor related commands:
++=== 3.5.2 Sensor related commands: ===
--==== Choose Device Type (RS485 or TTL) ====
++====   ====
++==== **Choose Device Type (RS485 or TTL)** ====
++
  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
--* AT Command
++* **AT Command**
++(% class="box infomessage" %)
++(((
  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
++)))
++(% class="box infomessage" %)
++(((
  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
++)))
--* Downlink Payload
++* **Downlink Payload**
--**0A aa**     à same as AT+MOD=aa
++**0A aa**     ~-~->  same as AT+MOD=aa
--==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
++==== **RS485 Debug Command (AT+CFGDEV)** ====
  This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
--* AT Command
++* **AT Command**
--AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
++(% class="box infomessage" %)
++(((
++**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
++)))
  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
++* **Downlink Payload**
--* Downlink Payload
--
  Format: A8 MM NN XX XX XX XX YY
  Where:
@@ -687,15 +687,15 @@
  To connect a Modbus Alarm with below commands.
--* 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.
++* 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.
--* 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.
++* 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.
  So if user want to use downlink command to control to RS485 Alarm, he can use:
--**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
++(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
--**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
++(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
  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.
@@ -704,48 +704,60 @@
  Check TTL Sensor return:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
++[[image:1654132684752-193.png]]
++==== **Set Payload version** ====
--==== Set Payload version ====
--
  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.
--* AT Command:
++* **AT Command:**
--AT+PAYVER: Set PAYVER field = 1
++(% class="box infomessage" %)
++(((
++**AT+PAYVER: Set PAYVER field = 1**
++)))
--* Downlink Payload:
++* **Downlink Payload:**
--0xAE 01   à Set PAYVER field =  0x01
++**0xAE 01**   ~-~-> Set PAYVER field =  0x01
--0xAE 0F   à Set PAYVER field =  0x0F
++**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
--==== Set RS485 Sampling Commands ====
++==== **Set RS485 Sampling Commands** ====
++
  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
--These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
++These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
--* AT Command:
++* **AT Command:**
--AT+COMMANDx: Configure RS485 read command to sensor.
++(% class="box infomessage" %)
++(((
++**AT+COMMANDx: Configure RS485 read command to sensor.**
++)))
--AT+DATACUTx: Configure how to handle return from RS485 devices.
++(% class="box infomessage" %)
++(((
++**AT+DATACUTx: Configure how to handle return from RS485 devices.**
++)))
--AT+SEARCHx: Configure search command
++(% class="box infomessage" %)
++(((
++**AT+SEARCHx: Configure search command**
++)))
--* Downlink Payload:
++* **Downlink Payload:**
--0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
++**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
--Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
++(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
  Format: AF MM NN LL XX XX XX XX YY
@@ -752,23 +752,23 @@
  Where:
  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
--* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
--* LL: The length of AT+COMMAND or AT+DATACUT command
++* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
++* LL:   The length of AT+COMMAND or AT+DATACUT command
  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
--* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
++* YY:   If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
--Example:
++**Example:**
--**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
++(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
--**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
++(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
--**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
++(% 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**
--0xAB downlink command can be used for set AT+SEARCHx
++**0xAB** downlink command can be used for set AT+SEARCHx
--Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
++**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
  * AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
  * 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
@@ -776,145 +776,164 @@
  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
--==== Fast command to handle MODBUS device ====
++==== **Fast command to handle MODBUS device** ====
++
  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]].
  This command is valid since v1.3 firmware version
--AT+MBFUN has only two value:
++**AT+MBFUN has only two value:**
--* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
++* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
  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.
--* AT+MBFUN=0: Disable Modbus fast reading.
++* **AT+MBFUN=0**: Disable Modbus fast reading.
--Example:
++**Example:**
  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
  * 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.
  * 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.
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
++[[image:1654133913295-597.png]]
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
++[[image:1654133954153-643.png]]
--* Downlink Commands:
++* **Downlink Commands:**
--A9 aa -à Same as AT+MBFUN=aa
++**A9 aa** ~-~-> Same as AT+MBFUN=aa
--==== RS485 command timeout ====
++==== **RS485 command timeout** ====
++
  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.
  Default value: 0, range:  0 ~~ 5 seconds
--* AT Command:
++* **AT Command:**
--AT+CMDDLaa=hex(bb cc)
++(% class="box infomessage" %)
++(((
++**AT+CMDDLaa=hex(bb cc)**
++)))
--Example:
++**Example:**
  **AT+CMDDL1=1000** to send the open time to 1000ms
--* Downlink Payload:
++* **Downlink Payload:**
 x AA aa bb cc
  Same as: AT+CMDDLaa=hex(bb cc)
--   Example:
++   **Example:**
--   0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
++   **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
--==== [[Uplink>>path:#downlink_A8]] payload mode ====
++==== **Uplink payload mode** ====
++
  Define to use one uplink or multiple uplinks for the sampling.
--The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
++The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
--* AT Command:
++* **AT Command:**
--AT+DATAUP=0
++(% class="box infomessage" %)
++(((
++**AT+DATAUP=0**
++)))
--AT+DATAUP=1
++(% class="box infomessage" %)
++(((
++**AT+DATAUP=1**
++)))
--* Downlink Payload:
++* **Downlink Payload:**
--0xAD 00   à Same as AT+DATAUP=0
++**0xAD 00**   **~-~->** Same as AT+DATAUP=0
--0xAD 01   à Same as AT+DATAUP=1
++**0xAD 01**   **~-~->** Same as AT+DATAUP=1
--==== Manually trigger an Uplink ====
++==== **Manually trigger an Uplink** ====
++
  Ask device to send an uplink immediately.
--* Downlink Payload:
++* **Downlink Payload:**
--0x08 FF, RS485-BL will immediately send an uplink.
++**0x08 FF**, RS485-BL will immediately send an uplink.
--==== Clear RS485 Command ====
++==== **Clear RS485 Command** ====
++
  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
--* AT Command:
++* **AT Command:**
--**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
++(% 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
--Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
--
  Example screen shot after clear all RS485 commands.
--
  The uplink screen shot is:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
++[[image:1654134704555-320.png]]
--* Downlink Payload:
++* **Downlink Payload:**
--0x09 aa bb  same as AT+CMDEAR=aa,bb
++**0x09 aa bb**  same as AT+CMDEAR=aa,bb
--==== Set Serial Communication Parameters ====
++==== **Set Serial Communication Parameters** ====
++
  Set the Rs485 serial communication parameters:
--* AT Command:
++* **AT Command:**
  Set Baud Rate:
--AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
++(% class="box infomessage" %)
++(((
++**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
++)))
++Set UART Parity
--Set UART parity
++(% class="box infomessage" %)
++(((
++**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
++)))
--AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
--
--
  Set STOPBIT
--AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
++(% class="box infomessage" %)
++(((
++**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
++)))
--* Downlink Payload:
++* **Downlink Payload:**
--A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
++**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
--Example:
++**Example:**
  * A7 01 00 60   same as AT+BAUDR=9600
  * A7 01 04 80     same as AT+BAUDR=115200
@@ -924,128 +924,119 @@
  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
--==== Control output power duration ====
++==== **Control output power duration** ====
++
  User can set the output power duration before each sampling.
--* AT Command:
++* **AT Command:**
--Example:
++**Example:**
--AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
++**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
--AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
++**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
--* LoRaWAN Downlink Command:
++* **LoRaWAN Downlink Command:**
--07 01 aa bb  Same as AT+5VT=(aa bb)
++**07 01 aa bb**  Same as AT+5VT=(aa bb)
--07 02 aa bb  Same as AT+3V3T=(aa bb)
++**07 02 aa bb**  Same as AT+3V3T=(aa bb)
++== 3.6 Buttons ==
++(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
++|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
++|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
--1.
--11. Buttons
++== 3.7 +3V3 Output ==
--|**Button**|**Feature**
--|**RST**|Reboot RS485-BL
--
--1.
--11. +3V3 Output
--
  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
  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.
--
  The +3V3 output time can be controlled by AT Command.
--**AT+3V3T=1000**
--Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
++(% style="color:#037691" %)**AT+3V3T=1000**
++Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
++
  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
--1.
--11. +5V Output
++== 3.8 +5V Output ==
  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
  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.
--
  The 5V output time can be controlled by AT Command.
--**AT+5VT=1000**
--Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
++(% style="color:#037691" %)**AT+5VT=1000**
++Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
++
  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.
++== 3.9 LEDs ==
++(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
++|=**LEDs**|=(% style="width: 274px;" %)**Feature**
++|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
--1.
--11. LEDs
++== 3.10 Switch Jumper ==
--|**LEDs**|**Feature**
--|**LED1**|Blink when device transmit a packet.
--
--1.
--11. Switch Jumper
--
--|**Switch Jumper**|**Feature**
--|**SW1**|(((
++(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
++|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
++|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
  ISP position: Upgrade firmware via UART
  Flash position: Configure device, check running status.
  )))
--|**SW2**|(((
++|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
 V position: set to compatible with 5v I/O.
 .3v position: set to compatible with 3.3v I/O.,
  )))
--+3.3V: is always ON
++**+3.3V**: is always ON
--+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
++**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
--1. Case Study
--User can check this URL for some case studies.
++= 4. Case Study =
--[[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]]
++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]]
++= 5. Use AT Command =
++== 5.1 Access AT Command ==
--1. Use AT Command
--11. Access AT Command
--
  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
++[[image:1654135840598-282.png]]
--In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
++In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
--[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
++[[image:1654136105500-922.png]]
++More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
--More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
++== 5.2 Common AT Command Sequence ==
++=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
--1.
--11. Common AT Command Sequence
--111. Multi-channel ABP mode (Use with SX1301/LG308)
--
  If device has not joined network yet:
  AT+FDR

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Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter

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