Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 79.2 >
edited by Xiaoling
on 2022/10/13 17:07
To version < 84.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
>
Change comment: Uploaded new attachment "image-20221130104310-4.png", version {1}

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1 -XWiki.Xiaoling
1 +XWiki.Bei
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33 33  
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 -(((
37 -(((
38 -(((
39 -
40 40  
37 +(((
41 41  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.
42 42  )))
43 -)))
44 44  
45 45  (((
46 -(((
47 47  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.
48 48  )))
49 -)))
50 50  
51 51  (((
52 -(((
53 53  (% 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.
54 54  )))
55 -)))
56 56  
57 57  (((
58 -(((
59 59  (% 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.
60 60  )))
61 61  
62 62  (((
63 63  (% 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 -
66 66  )))
67 -)))
68 -)))
69 69  
57 +
70 70  (% 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" %)​
71 71  
72 72  
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76 76  
77 77  (% style="color:#037691" %)**Hardware System:**
78 78  
79 -* STM32L072CZT6 MCU
67 +* STM32L072xxxx MCU
80 80  * SX1276/78 Wireless Chip 
81 81  * Power Consumption (exclude RS485 device):
82 82  ** Idle: 32mA@12v
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309 309  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:
310 310  
311 311  
312 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
300 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
313 313  |=(% style="width: 110px;" %)(((
314 314  **AT Commands**
315 -)))|=(% style="width: 190px;" %)(((
303 +)))|=(% style="width: 210px;" %)(((
316 316  **Description**
317 317  )))|=(% style="width: 190px;" %)(((
318 318  **Example**
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380 380  )))
381 381  )))
382 382  
383 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
384 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
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**
385 385  |AT+CFGDEV|(% style="width:110px" %)(((
386 386  (((
387 387  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
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430 430  
431 431  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
432 432  |(% style="width:496px" %)(((
433 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
421 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
434 434  
435 435  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
436 436  
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516 516  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
517 517  
518 518  
519 -1. PAYVER: Defined by AT+PAYVER
520 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
521 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
522 -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
507 +~1. PAYVER: Defined by AT+PAYVER
523 523  
509 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
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 +
524 524  (% 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" %)​
525 525  
526 526  
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586 586  == 3.4 Uplink Payload ==
587 587  
588 588  
589 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
590 -|(% style="width:90px" %)(((
581 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
582 +|=(% scope="row" style="width: 60px;" %)(((
591 591  Size(bytes)
592 -)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
584 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
593 593  Length depends on the return from the commands
594 594  )))
595 -|(% style="width:90px" %)(((
587 +|=(% style="width: 90px;" %)(((
596 596  Value
597 597  )))|(% style="width:114px" %)(((
598 598  PAYLOAD_VER
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1204 1204  )))
1205 1205  
1206 1206  
1199 +
1200 +
1207 1207  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1208 1208  
1203 +
1209 1209  * (((
1210 1210  (% style="color:#037691" %)** AT Command:**
1211 1211  )))
1212 1212  
1213 -**~ AT+DATABIT=7  **~/~/ Set the data bits to 7
1208 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1214 1214  
1215 -**~ AT+DATABIT=8  **~/~/ Set the data bits to 8
1210 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1216 1216  
1217 1217  * (((
1218 1218  (% style="color:#037691" %)**Downlink Payload:**
1219 1219  )))
1220 1220  
1221 -**~ A7 04 07**: Same as  AT+DATABIT=7
1216 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1222 1222  
1223 -**~ A7 04 08**: Same as  AT+DATABIT=8
1218 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1224 1224  
1225 1225  
1226 1226  
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1469 1469  
1470 1470  
1471 1471  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1472 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1467 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1473 1473  |(% 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**
1474 1474  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1475 1475  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
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1684 1684  == 6.5 Can i use point to point communication for RS485-LN? ==
1685 1685  
1686 1686  
1687 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
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]].
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1689 1689  
1690 1690  
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