Last modified by Bei Jinggeng on 2025/01/10 15:06
<
From version < 108.1 >
edited by Bei Jinggeng
on 2023/11/27 15:23
To version < 104.1 >
edited by Xiaoling
on 2023/04/25 17:54
>
Change comment: Uploaded new attachment "image-20230425175410-2.png", version {1}

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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38 38  )))
39 39  
40 40  (((
41 -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, building automation, and so on.
41 +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.
42 42  )))
43 43  
44 44  (((
... ... @@ -94,6 +94,8 @@
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 95  * Packet engine up to 256 bytes with CRC
96 96  
97 +
98 +
97 97  == 1.3 Features ==
98 98  
99 99  
... ... @@ -106,6 +106,8 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
111 +
112 +
109 109  == 1.4 Applications ==
110 110  
111 111  
... ... @@ -116,6 +116,8 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
123 +
124 +
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  
... ... @@ -208,7 +208,7 @@
208 208  )))
209 209  )))
210 210  
211 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]][[image:image-20230425175410-2.png]](% title="Click and drag to resize" %)​
217 +(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
212 212  
213 213  
214 214  (((
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255 255  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
256 256  
257 257  
258 -== 3.3 Configure Device to Read RS485 Sensors ==
264 +== 3.3 Configure Commands to read data ==
259 259  
260 260  
261 -There are plenty of RS485 and TTL level devices in the market and each device has different commands to read the valid data. To support these devices in most flexible, RS485-LN supports flexible command set. User can use [[Dragino RS485 Tool>>url:https://www.dropbox.com/sh/us9qecn39fwt8n1/AABREdqUCzEmJMRrfuWuXasoa?dl=0]],  [[AT Commands or LoRaWAN Downlink>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/#H3.5ConfigureRS485-LBviaATorDownlink]] Command to configure how RS485-LN should read the sensor and how to handle the return from RS485 or TTL sensors.
267 +(((
268 +(((
269 +(((
270 +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-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
262 262  
272 +
273 +)))
274 +)))
263 263  
264 264  (((
265 265  (((
266 -(((
267 267  (% 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**
268 268  )))
269 269  
270 -=== ===
271 -
272 -=== 3.3.1 Method 1 ~-~- via RS485 Configure Tool ===
273 -
274 -Use the RS485 Configure tool is the recommand method. Please see the instruction of how to use the tool:
275 -
276 -* **[[RS485 Configure Tool Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/]]**
277 -
278 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LB_Waterproof_RS485UART_to_LoRaWAN_Converter/WebHome/image-20231127144411-1.png?width=494&height=368&rev=1.1||alt="image-20231127144411-1.png" height="368" width="494"]]
279 -
280 -=== ===
281 -
282 -=== 3.3.2  Method 2 ~-~- via AT Commands ===
281 +
283 283  )))
284 284  )))
285 285  
286 -==== 3.3.2.1 Configure UART settings for RS485 or TTL communication ====
285 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
287 287  
288 -RS485-LN can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
289 289  
290 290  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:
291 291  
... ... @@ -350,9 +350,11 @@
350 350  )))
351 351  )))
352 352  
353 -=== 3.3.3 Configure sensors ===
354 354  
355 355  
353 +=== 3.3.2 Configure sensors ===
354 +
355 +
356 356  (((
357 357  Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
358 358  )))
... ... @@ -373,9 +373,11 @@
373 373  )))
374 374  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 375  
376 -=== 3.3.4 Configure read commands for each sampling ===
377 377  
378 378  
378 +=== 3.3.3 Configure read commands for each sampling ===
379 +
380 +
379 379  (((
380 380  During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
381 381  
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417 417  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
418 418  
419 419  
420 -If a single command exceeds 14 bytes, you can use the command splicing function.
421 -
422 -When AT+CMDDLx=1, the commands of AT+COMMANDx and AT+COMMAND(x+1) will be merged.
423 -
424 -
425 -**Examples:** To send 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F data it should be configured:
426 -
427 - AT+COMMAND1=00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D,0
428 -
429 - AT+COMMAND1=1
430 -
431 - AT+COMMAND2=0E 0F,0
432 -
433 -
434 434  (% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
435 435  
436 436  (% border="1" style="background-color:#f2f2f2; width:510px" %)
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464 464  
465 465  )))
466 466  
467 -=== 3.3.5 Compose the uplink payload ===
455 +=== 3.3.4 Compose the uplink payload ===
468 468  
469 469  
470 470  (((
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549 549  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
550 550  
551 551  
552 -=== 3.3.6 Uplink on demand ===
540 +=== 3.3.5 Uplink on demand ===
553 553  
554 554  
555 555  Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
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561 561  (% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
562 562  
563 563  
564 -=== 3.3.7 Uplink on Interrupt ===
552 +=== 3.3.6 Uplink on Interrupt ===
565 565  
566 566  
567 567  RS485-LN support external Interrupt uplink since hardware v1.2 release.
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1026 1026  (% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1027 1027  
1028 1028  
1029 -(Since firmware v1.4.0)
1030 -
1031 1031  * (((
1032 1032  (% style="color:#037691" %)** AT Command:**
1033 1033  )))
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1044 1044  Each uplink is sent to the server at 20-second intervals when segmented.
1045 1045  
1046 1046  
1047 -==== (% style="color:blue" %)**Cut data separation processing(Since Version 1.4.2)**(%%) ====
1048 1048  
1049 -
1050 -AT+NEWLINE command, which only takes effect when AT+DATAUP=1 or AT+DATAUP=1, timeout.
1051 -
1052 -When not set, each part of AT+DATAUP is sent according to the maximum number of bytes of DR.
1053 -
1054 -When setting, each part of AT+DATAUP is sent according to the value set by AT+NEWLINE.
1055 -
1056 -
1057 -* (((
1058 -(% style="color:#037691" %)** AT Command:**
1059 -)))
1060 -
1061 -(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   //The data cut out by each AT+COMMANDx command is sent separately as an uplink.
1062 -
1063 -(% style="color:#4472c4" %)//**AT+NEWLINE=ALL**//(%%)//   equal：  (% style="color:#4472c4" %)**AT+NEWLINE=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15**//
1064 -
1065 -
1066 -(% style="color:#4472c4" %)//**AT+NEWLINE=a+b+c**//(%%)//  //The data returned by all commands is divided into three parts, COMMAND(1~~a) is the first part, COMMAND(a+1~~b) is the second part,COMMAND(b+1~~c) is the third part.
1067 -
1068 -
1069 -(% style="color:#4472c4" %)//**AT+NEWLINE=NULL**//(%%)//  //Turn off the functionality of this AT command.
1070 -
1071 -
1072 -* (((
1073 -(% style="color:#037691" %)** Downlink Payload:**
1074 -)))
1075 -
1076 -//AT+NEWLINE=ALL  ~-~-->  (% style="color:#4472c4" %)**0xAC 01**//
1077 -
1078 -// AT+NEWLINE= NULL  ~-~-->  (% style="color:#4472c4" %)**0xAC 00**//
1079 -
1080 -//AT+NEWLINE= a+b+c   ~-~-->  (% style="color:#4472c4" %)**0xAC number of bytes a b c**//
1081 -
1082 -//AT+NEWLINE= 1+5+15 ~-~-->  (% style="color:#4472c4" %)**0xAC 03 01 05 0F**//
1083 -
1084 -
1085 1085  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1086 1086  
1087 1087  
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1478 1478  |(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1479 1479  |(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1480 1480  
1430 +
1431 +
1481 1481  == 3.8 LEDs ==
1482 1482  
1483 1483  
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1486 1486  |PWR|Always on if there is power
1487 1487  |SYS|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1488 1488  
1440 +
1441 +
1489 1489  = 4. Case Study =
1490 1490  
1491 1491  
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1644 1644  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1645 1645  
1646 1646  
1647 -
1648 -(% style="color:red" %)**Users can select the new burning software STM32Cubeprogramer for firmware upgrade and follow the same connection steps to enter burning mode (until SYS LED is RED ON):**
1649 -
1650 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H4.2.FirmwareupgradeusingSTM32Cubeprogramer]]
1651 -
1652 -
1653 -
1654 1654  (% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1655 1655  
1656 1656  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
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1803 1803  The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1804 1804  
1805 1805  
1806 -== 6.9 How to configure RS485 commands more conveniently？ ==
1807 -
1808 -
1809 -Dragino has developed an application for the RS485 series of products.
1810 -
1811 -It can help you configure RS485 sensors more conveniently
1812 -Please refer to the link below for specific usage：
1813 -
1814 -[[RS485 Configure Tool - DRAGINO>>url:http://wiki.dragino.com/xwiki/bin/view/Main/RS485_Configure_Tool/#HTableofContentsFF1A]]
1815 -
1816 -
1817 -
1818 1818  = 7. Trouble Shooting =
1819 1819  
1820 1820  == 7.1 Downlink doesn't work, how to solve it? ==
... ... @@ -1847,6 +1847,8 @@
1847 1847  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1848 1848  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1849 1849  
1784 +
1785 +
1850 1850  = 9. Packing Info =
1851 1851  
1852 1852  
... ... @@ -1863,6 +1863,8 @@
1863 1863  * Package Size / pcs : 14.5 x 8 x 5 cm
1864 1864  * Weight / pcs : 170g
1865 1865  
1802 +
1803 +
1866 1866  = 10. FCC Caution for RS485LN-US915 =
1867 1867  
1868 1868  

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