Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 88.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
To version < 76.1 >
edited by Edwin Chen
on 2022/10/06 15:44
>
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1 -XWiki.Bei
1 +XWiki.Edwin
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33 33  
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 -
37 37  (((
37 +(((
38 +(((
39 +
40 +
38 38  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.
39 39  )))
43 +)))
40 40  
41 41  (((
46 +(((
42 42  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.
43 43  )))
49 +)))
44 44  
45 45  (((
52 +(((
46 46  (% 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.
47 47  )))
55 +)))
48 48  
49 49  (((
58 +(((
50 50  (% 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.
51 51  )))
52 52  
53 53  (((
54 54  (% 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]]
64 +
65 +
55 55  )))
67 +)))
68 +)))
56 56  
57 -
58 58  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" 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" %)​
59 59  
60 60  
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64 64  
65 65  (% style="color:#037691" %)**Hardware System:**
66 66  
67 -* STM32L072xxxx MCU
79 +* STM32L072CZT6 MCU
68 68  * SX1276/78 Wireless Chip 
69 69  * Power Consumption (exclude RS485 device):
70 70  ** Idle: 32mA@12v
... ... @@ -97,7 +97,6 @@
97 97  * Packet engine up to 256 bytes with CRC
98 98  
99 99  
100 -
101 101  == 1.3 Features ==
102 102  
103 103  
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111 111  * Support Interrupt uplink (Since hardware version v1.2)
112 112  
113 113  
114 -
115 115  == 1.4 Applications ==
116 116  
117 117  
... ... @@ -123,7 +123,6 @@
123 123  * Smart Factory
124 124  
125 125  
126 -
127 127  == 1.5 Firmware Change log ==
128 128  
129 129  
... ... @@ -297,10 +297,10 @@
297 297  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:
298 298  
299 299  
300 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
309 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
301 301  |=(% style="width: 110px;" %)(((
302 302  **AT Commands**
303 -)))|=(% style="width: 210px;" %)(((
312 +)))|=(% style="width: 190px;" %)(((
304 304  **Description**
305 305  )))|=(% style="width: 190px;" %)(((
306 306  **Example**
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356 356  )))
357 357  
358 358  
359 -
360 360  === 3.3.2 Configure sensors ===
361 361  
362 362  
... ... @@ -368,8 +368,8 @@
368 368  )))
369 369  )))
370 370  
371 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
372 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
379 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
380 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
373 373  |AT+CFGDEV|(% style="width:110px" %)(((
374 374  (((
375 375  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
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385 385  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
386 386  
387 387  
388 -
389 389  === 3.3.3 Configure read commands for each sampling ===
390 390  
391 391  
... ... @@ -418,7 +418,7 @@
418 418  
419 419  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
420 420  |(% style="width:496px" %)(((
421 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
428 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
422 422  
423 423  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
424 424  
... ... @@ -504,15 +504,12 @@
504 504  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
505 505  
506 506  
507 -~1. PAYVER: Defined by AT+PAYVER
514 +1. PAYVER: Defined by AT+PAYVER
515 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
516 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
517 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
508 508  
509 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
510 510  
511 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
512 -
513 -4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
514 -
515 -
516 516  (% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.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" %)​
517 517  
518 518  
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578 578  == 3.4 Uplink Payload ==
579 579  
580 580  
581 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
582 -|=(% scope="row" style="width: 60px;" %)(((
583 -Size(bytes)
584 -)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
585 -Length depends on the return from the commands
586 -)))
587 -|=(% style="width: 90px;" %)(((
588 -Value
589 -)))|(% style="width:114px" %)(((
590 -PAYLOAD_VER
591 -)))|(% style="width:353px" %)(((
592 -If the valid payload is too long and exceed the maximum
585 +(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.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"]]
593 593  
594 -support payload length in server, server will show payload not
595 -
596 -provided in the LoRaWAN server.
597 -)))
598 -
599 -(% 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"]]
600 -
601 601  (% title="Click and drag to resize" %)​
602 602  
603 603  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
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659 659  
660 660  
661 661  (((
662 -This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
648 +This command is used to configure the RS485 devices; they won't be used during sampling.
663 663  )))
664 664  
665 665  (((
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1198 1198  
1199 1199  
1200 1200  
1201 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1202 1202  
1203 -
1204 -* (((
1205 -(% style="color:#037691" %)** AT Command:**
1206 -)))
1207 -
1208 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1209 -
1210 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1211 -
1212 -* (((
1213 -(% style="color:#037691" %)**Downlink Payload:**
1214 -)))
1215 -
1216 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1217 -
1218 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1219 -
1220 -
1221 -
1222 1222  ==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1223 1223  
1224 1224  (((
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1294 1294  
1295 1295  (% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1296 1296  
1263 +
1297 1297  Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1298 1298  
1299 1299  
1300 1300  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1301 1301  
1302 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1303 1303  
1304 1304  
1271 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1305 1305  
1273 +
1306 1306  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1307 1307  
1276 +
1308 1308  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1309 1309  
1310 1310  
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1346 1346  (% style="color:#037691" %)**Downlink Payload:**
1347 1347  )))
1348 1348  
1349 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1318 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1350 1350  
1351 1351  [[image:image-20220824144240-1.png]]
1352 1352  
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1463 1463  == 3.7 Buttons ==
1464 1464  
1465 1465  
1466 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1467 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1435 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1436 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1468 1468  |(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1469 1469  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1470 1470  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1471 1471  
1472 1472  
1473 -
1474 1474  == 3.8 LEDs ==
1475 1475  
1476 1476  
1477 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1445 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1478 1478  |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1479 1479  |**PWR**|Always on if there is power
1480 1480  |**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.
1481 1481  
1482 1482  
1483 -
1484 1484  = 4. Case Study =
1485 1485  
1486 1486  
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1679 1679  == 6.5 Can i use point to point communication for RS485-LN? ==
1680 1680  
1681 1681  
1682 -Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1649 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1683 1683  
1684 1684  
1685 1685  
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1726 1726  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1727 1727  
1728 1728  
1729 -
1730 1730  = 9.Packing Info =
1731 1731  
1732 1732  
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1744 1744  * Weight / pcs : 170g
1745 1745  
1746 1746  
1747 -
1748 1748  = 10. FCC Caution for RS485LN-US915 =
1749 1749  
1750 1750  
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