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 ... ... @@ -212,7 +212,6 @@ 212 212 213 213 [[image:1652953568895-172.png||height="232" width="724"]] 214 214 215 - 216 216 == 3.3 Configure Commands to read data == 217 217 218 218 ((( ... ... @@ -222,8 +222,6 @@ 222 222 223 223 ((( 224 224 (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1 225 - 226 - 227 227 ))) 228 228 ))) 229 229 ... ... @@ -552,8 +552,8 @@ 552 552 553 553 554 554 555 -1. 556 -11. 534 +1. 535 +11. 557 557 111. Uplink on Interrupt 558 558 559 559 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -567,7 +567,7 @@ 567 567 AT+INTMOD=3 Interrupt trigger by rising edge. 568 568 569 569 570 -1. 549 +1. 571 571 11. Uplink Payload 572 572 573 573 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -629,15 +629,15 @@ 629 629 630 630 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 631 631 632 -1. 633 -11. 611 +1. 612 +11. 634 634 111. Common Commands: 635 635 636 636 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]] 637 637 638 638 639 -1. 640 -11. 618 +1. 619 +11. 641 641 111. Sensor related commands: 642 642 643 643 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -943,13 +943,13 @@ 943 943 944 944 945 945 946 -1. 925 +1. 947 947 11. Buttons 948 948 949 949 |**Button**|**Feature** 950 950 |**RST**|Reboot RS485-BL 951 951 952 -1. 931 +1. 953 953 11. +3V3 Output 954 954 955 955 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -967,7 +967,7 @@ 967 967 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 968 968 969 969 970 -1. 949 +1. 971 971 11. +5V Output 972 972 973 973 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -987,13 +987,13 @@ 987 987 988 988 989 989 990 -1. 969 +1. 991 991 11. LEDs 992 992 993 993 |**LEDs**|**Feature** 994 994 |**LED1**|Blink when device transmit a packet. 995 995 996 -1. 975 +1. 997 997 11. Switch Jumper 998 998 999 999 |**Switch Jumper**|**Feature** ... ... @@ -1039,7 +1039,7 @@ 1039 1039 1040 1040 1041 1041 1042 -1. 1021 +1. 1043 1043 11. Common AT Command Sequence 1044 1044 111. Multi-channel ABP mode (Use with SX1301/LG308) 1045 1045 ... ... @@ -1058,8 +1058,8 @@ 1058 1058 1059 1059 ATZ 1060 1060 1061 -1. 1062 -11. 1040 +1. 1041 +11. 1063 1063 111. Single-channel ABP mode (Use with LG01/LG02) 1064 1064 1065 1065 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1134,7 +1134,7 @@ 1134 1134 [[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]] 1135 1135 1136 1136 1137 -1. 1116 +1. 1138 1138 11. How to change the LoRa Frequency Bands/Region? 1139 1139 1140 1140 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1141,7 +1141,7 @@ 1141 1141 1142 1142 1143 1143 1144 -1. 1123 +1. 1145 1145 11. How many RS485-Slave can RS485-BL connects? 1146 1146 1147 1147 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]]. ... ... @@ -1158,7 +1158,7 @@ 1158 1158 1159 1159 1160 1160 1161 -1. 1140 +1. 1162 1162 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1163 1163 1164 1164 It might about the channels mapping. Please see for detail.