Changes for page Application Note : Communicate with Different Sensors ----- RS485-LN / RS485-BL

Last modified by Karry Zhuang on 2024/07/11 11:58

From version < 41.19 >

edited by Xiaoling
on 2022/06/01 14:16

To version < 38.2 >

edited by Xiaoling
on 2022/05/27 09:47

Change comment: There is no comment for this version

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@@ -3,17 +3,12 @@
  {{toc/}}
++= 1. Introduction =
--
--
--
--
--= **1. Introduction** =
--
  This article provide the examples for RS485-LN to connect to different type of RS485 sensors.
--== **1.1 Example 1: Connect to Leak relay and VFD** ==
++== 1.1 Example 1: Connect to Leak relay and VFD ==
  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Relay and VFD and communicate with Mobile. The structure is like below:
@@ -34,10 +34,8 @@
  * [[Configure Manual>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Relay_VFD/]] : Explanation on how to integrate to Node-red and to the Mobile Phone, and with link to the Github code.
  * [[Video Demo>>url:https://www.youtube.com/watch?v=TAFZ5eaf-MY&t=6s&ab_channel=XavierFlorensaBerenguer]]
++== 1.2 Example 2: Connect to Pulse Counter ==
--
--== **1.2 Example 2: Connect to Pulse Counter** ==
--
  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to Pulse Counter and communicate with Mobile. This example and example 2 compose the structure for a farm IoT solution. The structure is like below:
  [[image:image-20220527092058-3.png]]
@@ -45,20 +45,18 @@
  Connection
--
  [[image:image-20220527092146-4.png]]
  Connection
--
  * [[Pickdata MIO40 water pulse counter to LoRa with Dragino RS485-LN>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Pulse-Counter/]] : Configure Document
  * [[Dragino Solution in Farm>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/&file=Dragino%20on%20Farms.pptx]]
  ==   ==
--== **1.3 Example3: Use RS485-LN with energy meters** ==
++== 1.3 Example3: Use RS485-LN with energy meters ==
--=== **1.3.1 OverView** ===
++=== 1.3.1 OverView ===
  (((
  **Note**：The specifications of each energy meter are different, please refer to your own energy meter specifications.
@@ -73,7 +73,6 @@
  Connection1
--
  (((
  How to connect with Energy Meter：
  )))
@@ -103,13 +103,12 @@
  Connection2
--
  [[image:image-20220527092555-7.png]]
  Connection3
--=== **1.3.2 How to use the parameters of the energy meter and MODBUS commands** ===
++=== 1.3.2 How to use the parameters of the energy meter and MODBUS commands ===
  If the user needs to read the parameters of the electric energy meter and use the modbus command,please refer to the appendix of the MODBUS communication protocol in the user manual of the energy meter.
@@ -148,12 +148,12 @@
  )))
--=== **1.3.3 How to configure RS485-LN and parse output commands** ===
++=== 1.3.3 How to configure RS485-LN and parse output commands ===
  RS485-LN provides two configuration methods: AT COMMAND and DOWNLINK.
--==== **1.3.3.1 via AT COMMAND:** ====
++==== 1.3.3.1 via AT COMMAND: ====
  First, we can use **AT+CFGDEV** to get the return value, and we can also judge whether the input parameters are correct.
@@ -171,11 +171,11 @@
     AT+DATACUTx : This command defines how to handle the return from AT+COMMANDx, max reture length is 40 bytes. AT+DATACUTx=a,b,c
  )))
--a:  length for the return of AT+COMMAND
++a: length for the return of AT+COMMAND
--b: 1: grab valid value by byte, max 6 bytes;  2: grab valid value by bytes section, max 3 sections.
++b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
--c:  define the position for valid value.
++c: define the position for valid value.
  [[image:image-20220527092936-10.png]]
@@ -182,7 +182,6 @@
  AT COMMAND
--
  PAYLOAD is available after the valid value is intercepted.
@@ -191,7 +191,6 @@
  AT COMMAND
--
  You can get configured PAYLOAD on TTN.
  [[image:image-20220527093133-12.png]]
@@ -205,9 +205,7 @@
  )))
  (((
--(% style="color:#4f81bd" %)**Example**:
--
--CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
++**Example**: CMD1:Read current data with MODBUS command. address:0x03 AT+COMMAND1= 01 03 00 03 00 01,1
  )))
  (((
@@ -216,8 +216,6 @@
  (((
  AT+DATACUT1:9,1,4+5+6+7 Take the return value 00 02 39 85 as the valid value of reading current data and used to splice payload.
--
--
  )))
  (((
@@ -230,8 +230,6 @@
  (((
  AT+DATACUT2:7,1,4+5 Take the return value 08 DC as the valid value of reading voltage data and used to splice payload.
--
--
  )))
  (((
@@ -257,14 +257,12 @@
  (% style="color:#4f81bd" %)**01 is device address,00 02 is the current, 08 DC is the voltage,00 00 00 44 is the total active energy.**
--
--
  [[image:image-20220527093251-14.png]]
  AT COMMAND
--==== **1.3.3.2 via LoRaWAN DOWNLINK** ====
++==== 1.3.3.2 via LoRaWAN DOWNLINK ====
  [[image:image-20220527093358-15.png]]
@@ -277,7 +277,7 @@
  )))
  (((
--(% style="color:#4f81bd" %)**Type Code 0xAF**
++**Type Code 0xAF**
  )))
  (((
@@ -324,13 +324,11 @@
  )))
  (((
--
--
--(% style="color:#4f81bd" %)**Example:**
++Example:
  )))
  (((
--**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
++AF 03 01 06 0A 05 00 04 00 01 00: Same as AT+COMMAND3=0A 05 00 04 00 01,1
  )))
  [[image:image-20220527093430-16.png]]
@@ -338,7 +338,6 @@
  DOWNLINK
--
  [[image:image-20220527093508-17.png]]
  DOWNLINK
@@ -359,7 +359,7 @@
  DOWNLINK
--=== **1.3.4 How to configure and output commands for RS485 to USB** ===
++=== 1.3.4 How to configure and output commands for RS485 to USB ===
  (((
  This step is not necessary, it is just to show how to use a normal RS485 to USB adapter to connect to the meter to check the input and output. This can be used to test the connection and RS485 command of the meter without RS485-LN.
@@ -396,7 +396,7 @@
  )))
  (((
--(% style="color:#4f81bd" %)**Example:**  (%%)input：01 03 00 31 00 02 95 c4
++**Example:**  input：01 03 00 31 00 02 95 c4
  )))
  (((
@@ -408,7 +408,7 @@
  USB
--=== **1.3.5 How to configure multiple devices and modify device addresses** ===
++=== 1.3.5 How to configure multiple devices and modify device addresses ===
  If users need to read the parameters of multiple energy meters, they need to modify the device address, because the default device address of each energy meter is 01.
@@ -477,12 +477,11 @@
  [[image:image-20220527094224-29.png]]
--**PAYLOAD:01 08 DF 43 62**
++PAYLOAD:01 08 DF 43 62
  * 08 DF is the valid value of the meter with device address 02.
  * 43 62 is the valid value of the meter with device address 01.
--
  == 1.4 Example 4: Circuit Breaker Remote Open Close ==
  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-LN to connect to SCHNEIDER SMART and Monitor and control your cabinet remotely with no wires and with Dragino RS485-LN LoRaWAN technology. The structure is like below:
@@ -493,7 +493,6 @@
  * [[Circuit Breaker Remote Open Close>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/Application_Note/Circuit_Breaker_Remote_Open_Close/]] : Configure Documen
--
  == 1.5 Example 5: SEM Three Energy Meter with RS485-BL or RS485-LN ==
  This instruction is provided by Xavier Florensa Berenguer from [[NORIA GRUPO DE COMPRAS>>url:http://www.gruponovelec.com/]]. It is to show how to use RS485-BL to connect to SEM Three Energy Meter and send the data to mobile phone for remote minitor. The structure is like below:

Changes for page Application Note : Communicate with Different Sensors ----- RS485-LN / RS485-BL

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