Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 77.1 >
edited by Edwin Chen
on 2022/10/07 12:44
To version < 87.1 >
edited by Bei Jinggeng
on 2022/11/30 10:43
>
Change comment: Uploaded new attachment "image-20221130104310-7.png", version {1}

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1 -XWiki.Edwin
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
... ... @@ -108,6 +108,8 @@
108 108  * Automatic RF Sense and CAD with ultra-fast AFC.
109 109  * Packet engine up to 256 bytes with CRC
110 110  
99 +
100 +
111 111  == 1.3 Features ==
112 112  
113 113  
... ... @@ -120,6 +120,8 @@
120 120  * Support Modbus protocol
121 121  * Support Interrupt uplink (Since hardware version v1.2)
122 122  
113 +
114 +
123 123  == 1.4 Applications ==
124 124  
125 125  
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130 130  * Smart Cities
131 131  * Smart Factory
132 132  
125 +
126 +
133 133  == 1.5 Firmware Change log ==
134 134  
135 135  
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303 303  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:
304 304  
305 305  
306 -(% 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" %)
307 307  |=(% style="width: 110px;" %)(((
308 308  **AT Commands**
309 -)))|=(% style="width: 190px;" %)(((
303 +)))|=(% style="width: 210px;" %)(((
310 310  **Description**
311 311  )))|=(% style="width: 190px;" %)(((
312 312  **Example**
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361 361  )))
362 362  )))
363 363  
358 +
359 +
364 364  === 3.3.2 Configure sensors ===
365 365  
366 366  
... ... @@ -372,8 +372,8 @@
372 372  )))
373 373  )))
374 374  
375 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
376 -|=(% 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**
377 377  |AT+CFGDEV|(% style="width:110px" %)(((
378 378  (((
379 379  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -388,6 +388,8 @@
388 388  )))
389 389  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
390 390  
387 +
388 +
391 391  === 3.3.3 Configure read commands for each sampling ===
392 392  
393 393  
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420 420  
421 421  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
422 422  |(% style="width:496px" %)(((
423 -(% 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**
424 424  
425 425  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
426 426  
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506 506  Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
507 507  
508 508  
509 -1. PAYVER: Defined by AT+PAYVER
510 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
511 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
512 -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
513 513  
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 +
514 514  (% 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" %)​
515 515  
516 516  
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576 576  == 3.4 Uplink Payload ==
577 577  
578 578  
579 -(% 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"]]
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
580 580  
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 +
581 581  (% title="Click and drag to resize" %)​
582 582  
583 583  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
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1178 1178  
1179 1179  
1180 1180  
1201 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1181 1181  
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 +
1182 1182  ==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1183 1183  
1184 1184  (((
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1254 1254  
1255 1255  (% 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.
1256 1256  
1257 -
1258 1258  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.
1259 1259  
1260 1260  
1261 1261  [[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"]]
1262 1262  
1263 -
1264 -
1265 1265  For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1266 1266  
1267 1267  
1305 +
1268 1268  [[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"]]
1269 1269  
1270 -
1271 1271  For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1272 1272  
1273 1273  
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1309 1309  (% style="color:#037691" %)**Downlink Payload:**
1310 1310  )))
1311 1311  
1312 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
1349 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1313 1313  
1314 1314  [[image:image-20220824144240-1.png]]
1315 1315  
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1426 1426  == 3.7 Buttons ==
1427 1427  
1428 1428  
1429 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1430 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1466 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1467 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1431 1431  |(% 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**
1432 1432  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1433 1433  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1434 1434  
1472 +
1473 +
1435 1435  == 3.8 LEDs ==
1436 1436  
1437 1437  
1438 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1477 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1439 1439  |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1440 1440  |**PWR**|Always on if there is power
1441 1441  |**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.
1442 1442  
1482 +
1483 +
1443 1443  = 4. Case Study =
1444 1444  
1445 1445  
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1638 1638  == 6.5 Can i use point to point communication for RS485-LN? ==
1639 1639  
1640 1640  
1641 -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]].
1642 1642  
1643 1643  
1644 1644  
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1684 1684  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1685 1685  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1686 1686  
1728 +
1729 +
1687 1687  = 9.Packing Info =
1688 1688  
1689 1689  
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1700 1700  * Package Size / pcs : 14.5 x 8 x 5 cm
1701 1701  * Weight / pcs : 170g
1702 1702  
1746 +
1747 +
1703 1703  = 10. FCC Caution for RS485LN-US915 =
1704 1704  
1705 1705  
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