Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 80.1 >
edited by Bei Jinggeng
on 2022/10/28 17:05
To version < 79.2 >
edited by Xiaoling
on 2022/10/13 17:07
>
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Summary

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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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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97 97  * Packet engine up to 256 bytes with CRC
98 98  
99 99  
112 +
100 100  == 1.3 Features ==
101 101  
102 102  
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110 110  * Support Interrupt uplink (Since hardware version v1.2)
111 111  
112 112  
126 +
113 113  == 1.4 Applications ==
114 114  
115 115  
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121 121  * Smart Factory
122 122  
123 123  
138 +
124 124  == 1.5 Firmware Change log ==
125 125  
126 126  
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294 294  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:
295 295  
296 296  
297 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
312 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
298 298  |=(% style="width: 110px;" %)(((
299 299  **AT Commands**
300 -)))|=(% style="width: 210px;" %)(((
315 +)))|=(% style="width: 190px;" %)(((
301 301  **Description**
302 302  )))|=(% style="width: 190px;" %)(((
303 303  **Example**
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353 353  )))
354 354  
355 355  
371 +
356 356  === 3.3.2 Configure sensors ===
357 357  
358 358  
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364 364  )))
365 365  )))
366 366  
367 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
368 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
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**
369 369  |AT+CFGDEV|(% style="width:110px" %)(((
370 370  (((
371 371  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
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381 381  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
382 382  
383 383  
400 +
384 384  === 3.3.3 Configure read commands for each sampling ===
385 385  
386 386  
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413 413  
414 414  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
415 415  |(% style="width:496px" %)(((
416 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
433 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
417 417  
418 418  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
419 419  
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499 499  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
500 500  
501 501  
502 -~1. PAYVER: Defined by AT+PAYVER
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
503 503  
504 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
505 -
506 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
507 -
508 -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
509 -
510 -
511 511  (% 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" %)​
512 512  
513 513  
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573 573  == 3.4 Uplink Payload ==
574 574  
575 575  
576 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
577 -|=(% scope="row" style="width: 60px;" %)(((
589 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:520px" %)
590 +|(% style="width:90px" %)(((
578 578  Size(bytes)
579 -)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
592 +)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
580 580  Length depends on the return from the commands
581 581  )))
582 -|=(% style="width: 90px;" %)(((
595 +|(% style="width:90px" %)(((
583 583  Value
584 584  )))|(% style="width:114px" %)(((
585 585  PAYLOAD_VER
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1191 1191  )))
1192 1192  
1193 1193  
1194 -
1195 -
1196 1196  ==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1197 1197  
1198 1198  * (((
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1199 1199  (% style="color:#037691" %)** AT Command:**
1200 1200  )))
1201 1201  
1202 -**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1213 +**~ AT+DATABIT=7  **~/~/ Set the data bits to 7
1203 1203  
1204 -**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1215 +**~ AT+DATABIT=8  **~/~/ Set the data bits to 8
1205 1205  
1206 1206  * (((
1207 1207  (% style="color:#037691" %)**Downlink Payload:**
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1458 1458  
1459 1459  
1460 1460  (% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1461 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1472 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1462 1462  |(% 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**
1463 1463  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1464 1464  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1465 1465  
1466 1466  
1478 +
1467 1467  == 3.8 LEDs ==
1468 1468  
1469 1469  
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1473 1473  |**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.
1474 1474  
1475 1475  
1488 +
1476 1476  = 4. Case Study =
1477 1477  
1478 1478  
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1671 1671  == 6.5 Can i use point to point communication for RS485-LN? ==
1672 1672  
1673 1673  
1674 -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]].
1687 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1675 1675  
1676 1676  
1677 1677  
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1718 1718  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1719 1719  
1720 1720  
1734 +
1721 1721  = 9.Packing Info =
1722 1722  
1723 1723  
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1735 1735  * Weight / pcs : 170g
1736 1736  
1737 1737  
1752 +
1738 1738  = 10. FCC Caution for RS485LN-US915 =
1739 1739  
1740 1740  

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