AppconWireless RF1276MN Instruction Manual
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AppconWireless RF1276MN Instruction Manual

Spread spectrum wireless mesh networking module
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RF1276MN Mesh LoRa module
Spread Spectrum Wireless MESH Networking
Module RF1276MN
——Distributed MESH Networking ——
Instruction Manual
Version：V2.0
1 / 30

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Summary of Contents for AppconWireless RF1276MN

  • Page 1 RF1276MN Mesh LoRa module Spread Spectrum Wireless MESH Networking Module RF1276MN ——Distributed MESH Networking —— Instruction Manual Version：V2.0 1 / 30...

  • Page 2: Table Of Contents

    RF1276MN Mesh LoRa module Catalogue 1、Product Overview ........................3 2、Product Feature ........................3 3、Application Fields ........................4 4、Dimensions & Construction ..................... 5 5、Pin Definition ........................... 6 6、Technical Parameters ....................... 6 7、Network Introduction and Application..................7 7.1 Introduction of Group Network Jump................7 7.2 Introduction of Networking Applications.

  • Page 3: 1、Product Overview

    RF1276MN Mesh LoRa module 1、Product Overview RF1276MN is a high-performance, low power consumption, long distance micropower wireless MESH network module, the embedded wireless MESH network protocol, the MESH is distributed peer-to-peer MESH network, can make full use of the network routing redundancy, excellent self-healing network, stability, and excellent data throughput.

  • Page 4: 3、Application Fields

    RF1276MN Mesh LoRa module 3、Application Fields  Smart home,smart transport ,sensor network  Industrial automation, agricultural modernization, intelligent building;  Water, electricity, gas and warm meter automatic centralized meter reading system;  Water conservancy, oil field, mine, meteorological information acquisition equipment;...

  • Page 5: 4、Dimensions & Construction

    RF1276MN Mesh LoRa module 4、Dimensions & Construction 5 / 30...

  • Page 6: 5、Pin Definition

    RF1276MN Mesh LoRa module 5、Pin Definition Number Pin Symbol Pin Function Pin Description PB14 GPIO Reserved IO port PB13 GPIO Reserved IO port PB11 GPIO Reserved IO port Hardware reset Low level enable GPIO Reserved IO port GPIO Reserved IO port Data entry pin Level data input foot, connect the user's TXD.

  • Page 7: 7、Network Introduction And Application

    RF1276MN Mesh LoRa module 7、Network Introduction and Application. 7.1 Introduction of Group Network Jump Source node Router node Target node Sending Target source 6-8KM Figure 7.1 Seven - level eight - hop network schematic diagram Description: The seven - level eight - hop network refers to the data sent by the source to the final destination, which passes through seven routing nodes on the way.
  • Page 8 Figure 7.2.1 MESH network data transmission schematic diagram With the RF1276MN module, you can easily build a MESH network with a minimum of 2 points or up to thousands of points. MESH network is a completely distributed symmetric network, only a single device type can be used in theory.

  • Page 9: 8、Introduction To Distributed Routing Protocol

    RF1276MN Mesh LoRa module external interference and isolated nodes, the success rate of single- time net copying of MESH wireless meter is 100%. 8、Introduction to Distributed Routing Protocol Mobile ad-hoc network (MANET) is a multiple of mobile nodes have routing function multiple hops network, data transmission needs collaboration of multiple nodes to complete, so part of the routing protocol in MANET is crucial.Compared with the traditional wired network, MANET has its...
  • Page 10 RF1276MN Mesh LoRa module routing protocol can overcome the disadvantages of the single path routing protocol, and can make full use of network resources, balance network load, improve communication performance and avoid network shock.MESH by private on-demand lightweight dynamic multipath routing protocols, this protocol is for hardware resources strict mobile ad-hoc network design, suitable for mobile speed, fast wireless network topology changes.Routing protocol can maximum limit reduce routing overhead,...
  • Page 11 RF1276MN Mesh LoRa module and each node maintains a vector table, which lists the best distance from the current known target to each target.Nodes can choose nodes that are closer to the destination than themselves as forwarding routes based on this vector table.According to the distance vector algorithm, the shortest path between two nodes can be found, but it is not necessarily the best path.

  • Page 12: 9、Parameter Configuration

    RF1276MN Mesh LoRa module Figure 8.3 MESH node residual power routing schematic diagram MESH routing protocol is an ideal routing protocol for MANET design. It has the characteristics of distributed, robust, self-healing capability, light weight, multi-path, no loop, large network scale and suitable for mobile network.

  • Page 13: The User Interface Of Mesh Network Configuration Rf Tool

    RF1276MN Mesh LoRa module Figure 9.2.1 Use serial debugging assistant to obtain the current serial port parameters and software version 9.3 The User interface of MESH Network configuration RF tool. 9.4 Configuration RF tool Description 13 / 30...
  • Page 14 RF1276MN Mesh LoRa module Graphic Symbol Name Function Description Open the module to connect the COM port corresponding to the Serial computer, select the same serial port parameter as the module to read or parameter write module parameters normally. According to the user demand, can set the module's launch Frequency frequency.Note: this parameter should avoid the multiple frequency of...

  • Page 15: Check The Routing Function

    RF1276MN Mesh LoRa module Prohibit routing:No routing is prohibited. Automatic routing ： After First communication save the path successfully , no secondary search network process. Routing Type Forced routing: Every time thereis a process of finding a network when sending the date Source routing:Transmitted by the set path.

  • Page 16: Check The Full Routing Path Functionality

    RF1276MN Mesh LoRa module 9.4.2 Check the Full Routing Path Functionality. The following is the entire routing process from the source to the target of 0001, of which 00 02-00 08 is the routing node between the source and target.
  • Page 17 RF1276MN Mesh LoRa module Frame Type Type Name Instruction read and write the configuration parameters of 0x01 Internal used modules, the route information and version number. Application Used for networking protocol application layer 0x05 Data interfaces. Such as sending the data.

  • Page 18: Frame Load

    RF1276MN Mesh LoRa module The acknowledge from Read the 0X88 entire routing table As the frame type begin with 0X05, the command is used for user data transmitting. It has two types:’0x01’ and ‘0x81’ Command Command Type Instruction Sending the data via...
  • Page 19 RF1276MN Mesh LoRa module 10.1.3.2 The frame load about Prohibit Routing，Automatic Routing and Mandatory Routing The command begins with ‘0x05 0x00 0x01’ Destination Sending Routing Data Data Address Request radius Type Length 2byte 3byte 1byte 1byte 1byte byte Frame Load 10.1.3.3 Source Data Request Frame Load Format...

  • Page 20: Frame End（Crc Check

    RF1276MN Mesh LoRa module 10.1.3.4 Frame End（CRC check） The frame end is one byte checksum. This checksum is the result of XOR operation from the first byte to the last second byte (before the CRC check). When user check the correction of the Frame, the result of XOR operation of all the Frame should be ZERO.
  • Page 21 RF1276MN Mesh LoRa module 01：Frame type. This Frame is internal used. The frame can read and write the configuration parameters of modules, the route information and version number. 00：Frame number，fixed "00" 82：Command type. Acknowledge of ‘Read the configuration parameter’ 0D：Load length. There are 13 bytes in the frame load.

  • Page 22: Read The Routing Information Of Mesh Network

    RF1276MN Mesh LoRa module Acknowledge from the module after executing the command of write the configuration parameter’: 01：Frame type. Read and write parameters data types 00：Frame number，fixed "00" 81：Command type. Acknowledge of ‘Write the configuration parameter’ 0D：Load length. There are 13 bytes in the frame load.

  • Page 23: Read The Version Of Module Firmware

    RF1276MN Mesh LoRa module 83：Command type. Acknowledge of ‘Read the routing information’ 3C：The maximum storage path of Routing table 00 01：Source Node ID 02 1D：Load length. There are two bytes about the load length. There are 541 bytes in the frame load.

  • Page 24: Reset The Module

    RF1276MN Mesh LoRa module 10.2.4 Reset the module Request 01 00 07 00 06 01 00 87 01 00 87 39 36 30 30 20 20 4E 20 38 20 31 20 59 4C 5F 38 Reply 30 30 4D 4E 5F 31 30 30 4D 57 20 56 33 2E 35 0D 0A Details about ‘the command of ‘Reset the module’：...

  • Page 25: The Frame Format Of Prohibit Routing、Automatic Routing And Mandatory Routing

    RF1276MN Mesh LoRa module 10.3.1 The Frame Format of Prohibit Routing、Automatic Routing and Mandatory Routing User’s Frame Frame Command Load Destination Sending Routing Data Check Type Number Type Length Address Radius Type Data Request 1byte 1byte 1byte 1byte 2bytes 1byte...

  • Page 26: 11、Wireless Firmware Upgrade

    User Data：AA AA AA CRC Check：BA 11、Wireless Firmware Upgrade The RF tool for RF1276MN integrates wireless upgrade functions so that users can upgrade and modify them via RF tool. The operation is described as follows. The prepared tool before upgrade: 1: RF1276T standard module, that is used for transmitting upgrade program, a RF1276MN module to be upgraded.

  • Page 27: 12、Antenna Selection

    Figure 11.1 Upgrade tool interface diagram Note: the table address on the upgrade tool does not need to be filled. 2, Enter to the RF1276MN module into the upgrade mode by hex command via serial port. The hex command is as follow: Command：01 00 09 08 64 6f 77 6e 6c 6f 61 64 14...

  • Page 28: 13、Notes

    3) error control The RF1276MN module has strong anti-interference ability, but under extreme conditions, it is inevitable to receive poor reception or packet loss.At this point, customers can increase the development of the link layer protocol of the system, such as increasing the loss of packet retransmission function, which can improve the reliability and flexibility of wireless network.

  • Page 29: 15、Eliminate Of Frequent Malfunction

    RF1276MN Mesh LoRa module 15、Eliminate of Frequent Malfunction Note: if the LED light is always on, this should not be ignored because the module has a protection program and will automatically recover.If it is often bright, find out why.The receiving and receiving of LED light is not normal.
  • Page 30 RF1276MN Mesh LoRa module The user's device has been Switch to a wireless module after the cable test is damaged. successful. There is interference with the Stay away from interference sources or modify same frequency signal nearby. frequency and channel avoidance.

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