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 ... ... @@ -160,7 +160,6 @@ 160 160 [[image:1652953462722-299.png]] 161 161 162 162 ((( 163 -((( 164 164 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 165 165 ))) 166 166 ... ... @@ -167,11 +167,13 @@ 167 167 ((( 168 168 Add APP EUI in the application. 169 169 ))) 170 -))) 171 171 170 + 171 + 172 + 172 172 [[image:image-20220519174512-1.png]] 173 173 174 -[[image:image-20220519174512-2.png||height="32 3" width="720"]]175 +[[image:image-20220519174512-2.png||height="328" width="731"]] 175 175 176 176 [[image:image-20220519174512-3.png||height="556" width="724"]] 177 177 ... ... @@ -187,7 +187,7 @@ 187 187 188 188 189 189 ((( 190 -**Step 2**: Power on RS485-L Nand 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.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. 191 191 ))) 192 192 193 193 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -195,15 +195,9 @@ 195 195 == 3.3 Configure Commands to read data == 196 196 197 197 ((( 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. 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. 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 - 207 207 === 3.3.1 onfigure UART settings for RS485 or TTL communication === 208 208 209 209 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. ... ... @@ -470,7 +470,7 @@ 470 470 471 471 472 472 1. 473 -11. 468 +11. 474 474 111. Compose the uplink payload 475 475 476 476 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.** ... ... @@ -534,8 +534,8 @@ 534 534 535 535 536 536 537 -1. 538 -11. 532 +1. 533 +11. 539 539 111. Uplink on demand 540 540 541 541 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. ... ... @@ -548,8 +548,8 @@ 548 548 549 549 550 550 551 -1. 552 -11. 546 +1. 547 +11. 553 553 111. Uplink on Interrupt 554 554 555 555 Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]] ... ... @@ -563,7 +563,7 @@ 563 563 AT+INTMOD=3 Interrupt trigger by rising edge. 564 564 565 565 566 -1. 561 +1. 567 567 11. Uplink Payload 568 568 569 569 |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands** ... ... @@ -625,15 +625,15 @@ 625 625 626 626 * **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 627 627 628 -1. 629 -11. 623 +1. 624 +11. 630 630 111. Common Commands: 631 631 632 632 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]] 633 633 634 634 635 -1. 636 -11. 630 +1. 631 +11. 637 637 111. Sensor related commands: 638 638 639 639 ==== Choose Device Type (RS485 or TTL) ==== ... ... @@ -939,13 +939,13 @@ 939 939 940 940 941 941 942 -1. 937 +1. 943 943 11. Buttons 944 944 945 945 |**Button**|**Feature** 946 946 |**RST**|Reboot RS485-BL 947 947 948 -1. 943 +1. 949 949 11. +3V3 Output 950 950 951 951 RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor. ... ... @@ -963,7 +963,7 @@ 963 963 By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time 964 964 965 965 966 -1. 961 +1. 967 967 11. +5V Output 968 968 969 969 RS485-BL has a Controllable +5V output, user can use this output to power external sensor. ... ... @@ -983,13 +983,13 @@ 983 983 984 984 985 985 986 -1. 981 +1. 987 987 11. LEDs 988 988 989 989 |**LEDs**|**Feature** 990 990 |**LED1**|Blink when device transmit a packet. 991 991 992 -1. 987 +1. 993 993 11. Switch Jumper 994 994 995 995 |**Switch Jumper**|**Feature** ... ... @@ -1035,7 +1035,7 @@ 1035 1035 1036 1036 1037 1037 1038 -1. 1033 +1. 1039 1039 11. Common AT Command Sequence 1040 1040 111. Multi-channel ABP mode (Use with SX1301/LG308) 1041 1041 ... ... @@ -1054,8 +1054,8 @@ 1054 1054 1055 1055 ATZ 1056 1056 1057 -1. 1058 -11. 1052 +1. 1053 +11. 1059 1059 111. Single-channel ABP mode (Use with LG01/LG02) 1060 1060 1061 1061 AT+FDR Reset Parameters to Factory Default, Keys Reserve ... ... @@ -1130,7 +1130,7 @@ 1130 1130 [[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]] 1131 1131 1132 1132 1133 -1. 1128 +1. 1134 1134 11. How to change the LoRa Frequency Bands/Region? 1135 1135 1136 1136 User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download. ... ... @@ -1137,7 +1137,7 @@ 1137 1137 1138 1138 1139 1139 1140 -1. 1135 +1. 1141 1141 11. How many RS485-Slave can RS485-BL connects? 1142 1142 1143 1143 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]]. ... ... @@ -1154,7 +1154,7 @@ 1154 1154 1155 1155 1156 1156 1157 -1. 1152 +1. 1158 1158 11. Why I can’t join TTN V3 in US915 /AU915 bands? 1159 1159 1160 1160 It might about the channels mapping. Please see for detail.