Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -18,30 +18,28 @@ 18 18 19 19 ((( 20 20 ((( 21 -The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.21 +The Dragino RS485-LN is a **RS485 to LoRaWAN Converter**. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 22 22 ))) 23 23 24 24 ((( 25 -RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%)and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.25 +RS485-LN allows user to **monitor / control RS485 devices** and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 26 26 ))) 27 27 28 28 ((( 29 - (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.29 +**For data uplink**, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 30 30 ))) 31 31 32 32 ((( 33 - (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.33 +**For data downlink**, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 34 34 35 - (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%)connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]35 +**Demo Dashboard for RS485-LN** connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 36 36 ))) 37 37 ))) 38 38 39 39 [[image:1653267211009-519.png||height="419" width="724"]] 40 40 41 - 42 42 == 1.2 Specifications == 43 43 44 - 45 45 **Hardware System:** 46 46 47 47 * STM32L072CZT6 MCU ... ... @@ -48,6 +48,8 @@ 48 48 * SX1276/78 Wireless Chip 49 49 * Power Consumption (exclude RS485 device): 50 50 ** Idle: 32mA@12v 49 + 50 +* 51 51 ** 20dB Transmit: 65mA@12v 52 52 53 53 **Interface for Model:** ... ... @@ -76,8 +76,6 @@ 76 76 * Automatic RF Sense and CAD with ultra-fast AFC. 77 77 * Packet engine up to 256 bytes with CRC. 78 78 79 - 80 - 81 81 == 1.3 Features == 82 82 83 83 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -89,8 +89,6 @@ 89 89 * Support Modbus protocol 90 90 * Support Interrupt uplink (Since hardware version v1.2) 91 91 92 - 93 - 94 94 == 1.4 Applications == 95 95 96 96 * Smart Buildings & Home Automation ... ... @@ -100,13 +100,10 @@ 100 100 * Smart Cities 101 101 * Smart Factory 102 102 103 - 104 - 105 105 == 1.5 Firmware Change log == 106 106 107 107 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] 108 108 109 - 110 110 == 1.6 Hardware Change log == 111 111 112 112 ((( ... ... @@ -114,8 +114,6 @@ 114 114 v1.2: Add External Interrupt Pin. 115 115 116 116 v1.0: Release 117 - 118 - 119 119 ))) 120 120 ))) 121 121 ... ... @@ -132,8 +132,6 @@ 132 132 ))) 133 133 134 134 [[image:1653268091319-405.png]] 135 - 136 - 137 137 ))) 138 138 139 139 = 3. Operation Mode = ... ... @@ -142,8 +142,6 @@ 142 142 143 143 ((( 144 144 The RS485-LN is configured as LoRaWAN OTAA Class C 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-LN. It will auto join the network via OTAA. 145 - 146 - 147 147 ))) 148 148 149 149 == 3.2 Example to join LoRaWAN network == ... ... @@ -152,15 +152,10 @@ 152 152 153 153 [[image:1653268155545-638.png||height="334" width="724"]] 154 154 155 - 156 156 ((( 157 -((( 158 158 The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below: 159 -))) 160 160 161 -((( 162 162 485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 163 -))) 164 164 165 165 [[image:1653268227651-549.png||height="592" width="720"]] 166 166 ... ... @@ -549,8 +549,8 @@ 549 549 550 550 551 551 552 -1. 553 -11. 534 +1. 535 +11. 554 554 111. Uplink on Interrupt 555 555 556 556 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -564,7 +564,7 @@ 564 564 AT+INTMOD=3 Interrupt trigger by rising edge. 565 565 566 566 567 -1. 549 +1. 568 568 11. Uplink Payload 569 569 570 570 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -626,15 +626,15 @@ 626 626 627 627 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 628 628 629 -1. 630 -11. 611 +1. 612 +11. 631 631 111. Common Commands: 632 632 633 633 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]] 634 634 635 635 636 -1. 637 -11. 618 +1. 619 +11. 638 638 111. Sensor related commands: 639 639 640 640 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -940,13 +940,13 @@ 940 940 941 941 942 942 943 -1. 925 +1. 944 944 11. Buttons 945 945 946 946 |**Button**|**Feature** 947 947 |**RST**|Reboot RS485-BL 948 948 949 -1. 931 +1. 950 950 11. +3V3 Output 951 951 952 952 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -964,7 +964,7 @@ 964 964 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 965 965 966 966 967 -1. 949 +1. 968 968 11. +5V Output 969 969 970 970 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -984,13 +984,13 @@ 984 984 985 985 986 986 987 -1. 969 +1. 988 988 11. LEDs 989 989 990 990 |**LEDs**|**Feature** 991 991 |**LED1**|Blink when device transmit a packet. 992 992 993 -1. 975 +1. 994 994 11. Switch Jumper 995 995 996 996 |**Switch Jumper**|**Feature** ... ... @@ -1036,7 +1036,7 @@ 1036 1036 1037 1037 1038 1038 1039 -1. 1021 +1. 1040 1040 11. Common AT Command Sequence 1041 1041 111. Multi-channel ABP mode (Use with SX1301/LG308) 1042 1042 ... ... @@ -1055,8 +1055,8 @@ 1055 1055 1056 1056 ATZ 1057 1057 1058 -1. 1059 -11. 1040 +1. 1041 +11. 1060 1060 111. Single-channel ABP mode (Use with LG01/LG02) 1061 1061 1062 1062 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1131,7 +1131,7 @@ 1131 1131 [[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]] 1132 1132 1133 1133 1134 -1. 1116 +1. 1135 1135 11. How to change the LoRa Frequency Bands/Region? 1136 1136 1137 1137 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1138,7 +1138,7 @@ 1138 1138 1139 1139 1140 1140 1141 -1. 1123 +1. 1142 1142 11. How many RS485-Slave can RS485-BL connects? 1143 1143 1144 1144 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]]. ... ... @@ -1155,7 +1155,7 @@ 1155 1155 1156 1156 1157 1157 1158 -1. 1140 +1. 1159 1159 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1160 1160 1161 1161 It might about the channels mapping. Please see for detail.