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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... ... @@ -41,17 +41,17 @@ 41 41 **Hardware System:** 42 42 43 43 * STM32L072CZT6 MCU 44 -* SX1276/78 Wireless Chip 44 +* SX1276/78 Wireless Chip 45 45 * Power Consumption (exclude RS485 device): 46 46 ** Idle: 32mA@12v 47 47 48 -* 48 +* 49 49 ** 20dB Transmit: 65mA@12v 50 50 51 51 **Interface for Model:** 52 52 53 53 * RS485 54 -* Power Input 7~~ 24V DC. 54 +* Power Input 7~~ 24V DC. 55 55 56 56 **LoRa Spec:** 57 57 ... ... @@ -160,6 +160,7 @@ 160 160 [[image:1652953462722-299.png]] 161 161 162 162 ((( 163 +((( 163 163 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 164 164 ))) 165 165 ... ... @@ -166,13 +166,11 @@ 166 166 ((( 167 167 Add APP EUI in the application. 168 168 ))) 170 +))) 169 169 170 - 171 - 172 - 173 173 [[image:image-20220519174512-1.png]] 174 174 175 -[[image:image-20220519174512-2.png||height="32 8" width="731"]]174 +[[image:image-20220519174512-2.png||height="323" width="720"]] 176 176 177 177 [[image:image-20220519174512-3.png||height="556" width="724"]] 178 178 ... ... @@ -188,7 +188,7 @@ 188 188 189 189 190 190 ((( 191 -**Step 2**: Power on RS485- BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.190 +**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 192 192 ))) 193 193 194 194 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -196,9 +196,15 @@ 196 196 == 3.3 Configure Commands to read data == 197 197 198 198 ((( 199 -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. 198 +((( 199 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 200 200 ))) 201 201 202 +((( 203 +(% 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 v1.1 204 +))) 205 +))) 206 + 202 202 === 3.3.1 onfigure UART settings for RS485 or TTL communication === 203 203 204 204 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. ... ... @@ -465,7 +465,7 @@ 465 465 466 466 467 467 1. 468 -11. 473 +11. 469 469 111. Compose the uplink payload 470 470 471 471 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.** ... ... @@ -529,8 +529,8 @@ 529 529 530 530 531 531 532 -1. 533 -11. 537 +1. 538 +11. 534 534 111. Uplink on demand 535 535 536 536 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. ... ... @@ -543,8 +543,8 @@ 543 543 544 544 545 545 546 -1. 547 -11. 551 +1. 552 +11. 548 548 111. Uplink on Interrupt 549 549 550 550 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -558,7 +558,7 @@ 558 558 AT+INTMOD=3 Interrupt trigger by rising edge. 559 559 560 560 561 -1. 566 +1. 562 562 11. Uplink Payload 563 563 564 564 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -620,15 +620,15 @@ 620 620 621 621 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 622 622 623 -1. 624 -11. 628 +1. 629 +11. 625 625 111. Common Commands: 626 626 627 627 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]] 628 628 629 629 630 -1. 631 -11. 635 +1. 636 +11. 632 632 111. Sensor related commands: 633 633 634 634 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -934,13 +934,13 @@ 934 934 935 935 936 936 937 -1. 942 +1. 938 938 11. Buttons 939 939 940 940 |**Button**|**Feature** 941 941 |**RST**|Reboot RS485-BL 942 942 943 -1. 948 +1. 944 944 11. +3V3 Output 945 945 946 946 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -958,7 +958,7 @@ 958 958 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 959 959 960 960 961 -1. 966 +1. 962 962 11. +5V Output 963 963 964 964 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -978,13 +978,13 @@ 978 978 979 979 980 980 981 -1. 986 +1. 982 982 11. LEDs 983 983 984 984 |**LEDs**|**Feature** 985 985 |**LED1**|Blink when device transmit a packet. 986 986 987 -1. 992 +1. 988 988 11. Switch Jumper 989 989 990 990 |**Switch Jumper**|**Feature** ... ... @@ -1030,7 +1030,7 @@ 1030 1030 1031 1031 1032 1032 1033 -1. 1038 +1. 1034 1034 11. Common AT Command Sequence 1035 1035 111. Multi-channel ABP mode (Use with SX1301/LG308) 1036 1036 ... ... @@ -1049,8 +1049,8 @@ 1049 1049 1050 1050 ATZ 1051 1051 1052 -1. 1053 -11. 1057 +1. 1058 +11. 1054 1054 111. Single-channel ABP mode (Use with LG01/LG02) 1055 1055 1056 1056 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1125,7 +1125,7 @@ 1125 1125 [[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]] 1126 1126 1127 1127 1128 -1. 1133 +1. 1129 1129 11. How to change the LoRa Frequency Bands/Region? 1130 1130 1131 1131 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1132,7 +1132,7 @@ 1132 1132 1133 1133 1134 1134 1135 -1. 1140 +1. 1136 1136 11. How many RS485-Slave can RS485-BL connects? 1137 1137 1138 1138 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]]. ... ... @@ -1149,7 +1149,7 @@ 1149 1149 1150 1150 1151 1151 1152 -1. 1157 +1. 1153 1153 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1154 1154 1155 1155 It might about the channels mapping. Please see for detail.