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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... ... @@ -6,12 +6,18 @@ 6 6 **RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 9 + 10 + 9 9 **Table of Contents:** 10 10 13 +{{toc/}} 11 11 12 12 13 13 14 14 18 + 19 + 20 + 15 15 = 1.Introduction = 16 16 17 17 == 1.1 What is RS485-LN RS485 to LoRaWAN Converter == ... ... @@ -18,23 +18,33 @@ 18 18 19 19 ((( 20 20 ((( 27 +((( 21 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. 22 22 ))) 30 +))) 23 23 24 24 ((( 33 +((( 25 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. 26 26 ))) 36 +))) 27 27 28 28 ((( 39 +((( 29 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. 30 30 ))) 42 +))) 31 31 32 32 ((( 45 +((( 33 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. 47 +))) 34 34 49 +((( 35 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]] 36 36 ))) 37 37 ))) 53 +))) 38 38 39 39 [[image:1653267211009-519.png||height="419" width="724"]] 40 40 ... ... @@ -74,7 +74,7 @@ 74 74 * Preamble detection. 75 75 * 127 dB Dynamic Range RSSI. 76 76 * Automatic RF Sense and CAD with ultra-fast AFC. 77 -* Packet engine up to 256 bytes with CRC .93 +* Packet engine up to 256 bytes with CRC 78 78 79 79 == 1.3 Features == 80 80 ... ... @@ -87,6 +87,7 @@ 87 87 * Support Modbus protocol 88 88 * Support Interrupt uplink (Since hardware version v1.2) 89 89 106 + 90 90 == 1.4 Applications == 91 91 92 92 * Smart Buildings & Home Automation ... ... @@ -96,6 +96,7 @@ 96 96 * Smart Cities 97 97 * Smart Factory 98 98 116 + 99 99 == 1.5 Firmware Change log == 100 100 101 101 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -105,9 +105,13 @@ 105 105 106 106 ((( 107 107 ((( 126 +((( 108 108 v1.2: Add External Interrupt Pin. 128 +))) 109 109 130 +((( 110 110 v1.0: Release 132 +))) 111 111 112 112 113 113 ))) ... ... @@ -135,7 +135,9 @@ 135 135 == 3.1 How it works? == 136 136 137 137 ((( 160 +((( 138 138 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. 162 +))) 139 139 140 140 141 141 ))) ... ... @@ -159,7 +159,7 @@ 159 159 [[image:1653268227651-549.png||height="592" width="720"]] 160 160 161 161 ((( 162 -The LG308 is already set to connect to [[TTN V3 network >>path: eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:186 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3: 163 163 ))) 164 164 165 165 ((( ... ... @@ -211,7 +211,7 @@ 211 211 212 212 ((( 213 213 ((( 214 -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.238 +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>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices. 215 215 ))) 216 216 217 217 ((( ... ... @@ -225,19 +225,19 @@ 225 225 226 226 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 227 227 228 -(% border="1" style="background-color:#ffffcc; color:green; width: 782px" %)229 -|(% style="width:1 28px" %)(((252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 253 +|=(% style="width: 110px;" %)((( 230 230 **AT Commands** 231 -)))|(% style="width: 305px" %)(((255 +)))|=(% style="width: 190px;" %)((( 232 232 **Description** 233 -)))|(% style="width: 346px" %)(((257 +)))|=(% style="width: 190px;" %)((( 234 234 **Example** 235 235 ))) 236 -|(% style="width:1 28px" %)(((260 +|(% style="width:110px" %)((( 237 237 AT+BAUDR 238 -)))|(% style="width: 305px" %)(((262 +)))|(% style="width:190px" %)((( 239 239 Set the baud rate (for RS485 connection). Default Value is: 9600. 240 -)))|(% style="width: 346px" %)(((264 +)))|(% style="width:190px" %)((( 241 241 ((( 242 242 AT+BAUDR=9600 243 243 ))) ... ... @@ -246,11 +246,11 @@ 246 246 Options: (1200,2400,4800,14400,19200,115200) 247 247 ))) 248 248 ))) 249 -|(% style="width:1 28px" %)(((273 +|(% style="width:110px" %)((( 250 250 AT+PARITY 251 -)))|(% style="width: 305px" %)(((275 +)))|(% style="width:190px" %)((( 252 252 Set UART parity (for RS485 connection) 253 -)))|(% style="width: 346px" %)(((277 +)))|(% style="width:190px" %)((( 254 254 ((( 255 255 AT+PARITY=0 256 256 ))) ... ... @@ -259,9 +259,9 @@ 259 259 Option: 0: no parity, 1: odd parity, 2: even parity 260 260 ))) 261 261 ))) 262 -|(% style="width:1 28px" %)(((286 +|(% style="width:110px" %)((( 263 263 AT+STOPBIT 264 -)))|(% style="width: 305px" %)(((288 +)))|(% style="width:190px" %)((( 265 265 ((( 266 266 Set serial stopbit (for RS485 connection) 267 267 ))) ... ... @@ -269,7 +269,7 @@ 269 269 ((( 270 270 271 271 ))) 272 -)))|(% style="width: 346px" %)(((296 +)))|(% style="width:190px" %)((( 273 273 ((( 274 274 AT+STOPBIT=0 for 1bit 275 275 ))) ... ... @@ -283,6 +283,8 @@ 283 283 ))) 284 284 ))) 285 285 310 + 311 + 286 286 === 3.3.2 Configure sensors === 287 287 288 288 ((( ... ... @@ -291,16 +291,18 @@ 291 291 ))) 292 292 ))) 293 293 294 -(% border="1" style="background-color:#ffffcc; color:green; width: 806px" %)295 -|**AT Commands**|(% style="width: 418px" %)**Description**|(% style="width:256px" %)**Example**296 -|AT+CFGDEV|(% style="width: 418px" %)(((320 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 321 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 322 +|AT+CFGDEV|(% style="width:110px" %)((( 297 297 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 298 298 299 299 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 300 300 301 301 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 302 -)))|(% style="width: 256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m328 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 303 303 330 + 331 + 304 304 === 3.3.3 Configure read commands for each sampling === 305 305 306 306 ((( ... ... @@ -346,8 +346,8 @@ 346 346 347 347 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 348 348 349 -(% border="1" style="background-color:#4bacc6; color:white; width: 725px" %)350 -|(% style="width: 722px" %)(((377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 378 +|(% style="width:510px" %)((( 351 351 **AT+DATACUTx=a,b,c** 352 352 353 353 * **a: length for the return of AT+COMMAND** ... ... @@ -416,6 +416,7 @@ 416 416 417 417 (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 418 418 447 + 419 419 1. PAYVER: Defined by AT+PAYVER 420 420 1. PAYLOAD COUNT: Total how many uplinks of this sampling. 421 421 1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT) ... ... @@ -495,7 +495,7 @@ 495 495 496 496 There are two kinds of Commands: 497 497 498 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[ End DeviceAT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]527 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 499 499 500 500 * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 501 501 ... ... @@ -515,8 +515,8 @@ 515 515 516 516 === 3.5.3 Sensor related commands === 517 517 518 -==== ==== 519 519 548 + 520 520 ==== **RS485 Debug Command** ==== 521 521 522 522 This command is used to configure the RS485 devices; they won’t be used during sampling. ... ... @@ -723,7 +723,7 @@ 723 723 724 724 * **AT Command:** 725 725 726 -No AT Command for this, user can press the [[ACT button>> path:#Button]] for 1 second for the same.755 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 727 727 728 728 729 729 * **Downlink Payload:** ... ... @@ -731,7 +731,6 @@ 731 731 **0x08 FF**, RS485-LN will immediately send an uplink. 732 732 733 733 734 -==== ==== 735 735 736 736 ==== **Clear RS485 Command** ==== 737 737 ... ... @@ -748,7 +748,7 @@ 748 748 749 749 The uplink screen shot is: 750 750 751 -[[image:1654160691922-496.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]779 +[[image:1654160691922-496.png]] 752 752 753 753 754 754 * **Downlink Payload:** ... ... @@ -847,7 +847,7 @@ 847 847 |=**Button**|=(% style="width: 1420px;" %)**Feature** 848 848 |**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink** 849 849 |**RST**|(% style="width:1420px" %)Reboot RS485 850 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>> path:#upgrade_image]]878 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 851 851 852 852 == 3.8 LEDs == 853 853 ... ... @@ -875,7 +875,7 @@ 875 875 [[image:1654162368066-342.png]] 876 876 877 877 878 -More detail AT Command manual can be found at [[AT Command Manual>> ||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]906 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 879 879 880 880 881 881 == 5.2 Common AT Command Sequence == ... ... @@ -967,7 +967,9 @@ 967 967 968 968 **Step3: **Open flashloader; choose the correct COM port to update. 969 969 998 +((( 970 970 (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program. 1000 +))) 971 971 972 972 973 973 [[image:image-20220602175818-12.png]] ... ... @@ -1030,6 +1030,7 @@ 1030 1030 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1031 1031 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1032 1032 1063 + 1033 1033 = 9.Packing Info = 1034 1034 1035 1035 ... ... @@ -1046,32 +1046,63 @@ 1046 1046 * Package Size / pcs : 14.5 x 8 x 5 cm 1047 1047 * Weight / pcs : 170g 1048 1048 1080 + 1049 1049 = 10. FCC Caution for RS485LN-US915 = 1050 1050 1083 +((( 1051 1051 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1085 +))) 1052 1052 1087 +((( 1053 1053 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 1089 +))) 1054 1054 1091 +((( 1092 + 1093 +))) 1055 1055 1095 +((( 1056 1056 **IMPORTANT NOTE:** 1097 +))) 1057 1057 1099 +((( 1058 1058 **Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1101 +))) 1059 1059 1103 +((( 1060 1060 —Reorient or relocate the receiving antenna. 1105 +))) 1061 1061 1107 +((( 1062 1062 —Increase the separation between the equipment and receiver. 1109 +))) 1063 1063 1111 +((( 1064 1064 —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1113 +))) 1065 1065 1115 +((( 1066 1066 —Consult the dealer or an experienced radio/TV technician for help. 1117 +))) 1067 1067 1119 +((( 1120 + 1121 +))) 1068 1068 1123 +((( 1069 1069 **FCC Radiation Exposure Statement:** 1125 +))) 1070 1070 1127 +((( 1071 1071 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 1129 +))) 1072 1072 1073 1073 1074 1074 = 11. Support = 1075 1075 1076 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1077 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 1134 +* ((( 1135 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1136 +))) 1137 +* ((( 1138 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 1139 +)))