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 < 79.5 >
edited by Xiaoling
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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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108 108  * Automatic RF Sense and CAD with ultra-fast AFC.
109 109  * Packet engine up to 256 bytes with CRC
110 110  
111 -
112 -
113 113  == 1.3 Features ==
114 114  
115 115  
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122 122  * Support Modbus protocol
123 123  * Support Interrupt uplink (Since hardware version v1.2)
124 124  
125 -
126 -
127 127  == 1.4 Applications ==
128 128  
129 129  
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134 134  * Smart Cities
135 135  * Smart Factory
136 136  
137 -
138 -
139 139  == 1.5 Firmware Change log ==
140 140  
141 141  
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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" %)
294 +(% 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;" %)(((
297 +)))|=(% style="width: 210px;" %)(((
316 316  **Description**
317 317  )))|=(% style="width: 190px;" %)(((
318 318  **Example**
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367 367  )))
368 368  )))
369 369  
370 -
371 -
372 372  === 3.3.2 Configure sensors ===
373 373  
374 374  
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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**
363 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364 +|=(% 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.
... ... @@ -396,8 +396,6 @@
396 396  )))
397 397  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
398 398  
399 -
400 -
401 401  === 3.3.3 Configure read commands for each sampling ===
402 402  
403 403  
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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" %)(((
567 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
568 +|(% style="width:60px" %)(((
591 591  Size(bytes)
592 -)))|(% style="width:114px" %)1|(% style="width:353px" %)(((
570 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
593 593  Length depends on the return from the commands
594 594  )))
595 595  |(% style="width:90px" %)(((
... ... @@ -1210,9 +1210,9 @@
1210 1210  (% style="color:#037691" %)** AT Command:**
1211 1211  )))
1212 1212  
1213 -**~ AT+DATABIT=7  **~/~/ Set the data bits to 7
1191 +**~ AT+DATABIT=7    **~/~/ Set the data bits to 7
1214 1214  
1215 -**~ AT+DATABIT=8  **~/~/ Set the data bits to 8
1193 +**~ AT+DATABIT=8    **~/~/ Set the data bits to 8
1216 1216  
1217 1217  * (((
1218 1218  (% style="color:#037691" %)**Downlink Payload:**
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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"]]
1476 1476  
1477 -
1478 -
1479 1479  == 3.8 LEDs ==
1480 1480  
1481 1481  
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1484 1484  |**PWR**|Always on if there is power
1485 1485  |**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.
1486 1486  
1487 -
1488 -
1489 1489  = 4. Case Study =
1490 1490  
1491 1491  
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1730 1730  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1731 1731  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1732 1732  
1733 -
1734 -
1735 1735  = 9.Packing Info =
1736 1736  
1737 1737  
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1748 1748  * Package Size / pcs : 14.5 x 8 x 5 cm
1749 1749  * Weight / pcs : 170g
1750 1750  
1751 -
1752 -
1753 1753  = 10. FCC Caution for RS485LN-US915 =
1754 1754  
1755 1755  

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