Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 72.1 >
edited by Bei Jinggeng
on 2022/08/24 14:56
To version < 73.3 >
edited by Xiaoling
on 2022/09/12 10:36
>
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Bei
1 +XWiki.Xiaoling
Content
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30 30  
31 31  = 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  (((
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81 81  ** Idle: 32mA@12v
82 82  ** 20dB Transmit: 65mA@12v
83 83  
85 +
86 +
84 84  (% style="color:#037691" %)**Interface for Model:**
85 85  
86 86  * RS485
87 87  * Power Input 7~~ 24V DC. 
88 88  
92 +
93 +
89 89  (% style="color:#037691" %)**LoRa Spec:**
90 90  
91 91  * Frequency Range:
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107 107  * Automatic RF Sense and CAD with ultra-fast AFC.
108 108  * Packet engine up to 256 bytes with CRC
109 109  
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116 +
117 +
110 110  == 1.3 Features ==
111 111  
112 112  
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119 119  * Support Modbus protocol
120 120  * Support Interrupt uplink (Since hardware version v1.2)
121 121  
130 +
131 +
132 +
122 122  == 1.4 Applications ==
123 123  
124 124  
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129 129  * Smart Cities
130 130  * Smart Factory
131 131  
143 +
144 +
145 +
132 132  == 1.5 Firmware Change log ==
133 133  
134 134  
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175 175  
176 176  = 3. Operation Mode =
177 177  
192 +
178 178  == 3.1 How it works? ==
179 179  
180 180  
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192 192  
193 193  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
194 194  
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195 195  (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" 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" %)​
196 196  
197 197  
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202 202  
203 203  (((
204 204  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
221 +
222 +
205 205  )))
206 206  
207 207  (% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% 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" %)​
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228 228  (((
229 229  (((
230 230  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
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250 +
231 231  )))
232 232  
233 233  (((
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241 241  
242 242  (% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" 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" %)​
243 243  
244 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.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" %)​
264 +(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.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"]]
245 245  
266 +
267 +(% title="Click and drag to resize" %)​
268 +
246 246  You can also choose to create the device manually.
247 247  
248 248  (% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% 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" %)​
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254 254  (% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" 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" %)​
255 255  
256 256  
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257 257  (((
258 258  (% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
283 +
284 +
259 259  )))
260 260  
261 261  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" 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" %)​
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269 269  (((
270 270  (((
271 271  There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
298 +
299 +
272 272  )))
273 273  )))
274 274  
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287 287  
288 288  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:
289 289  
318 +
290 290  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
291 291  |=(% style="width: 110px;" %)(((
292 292  **AT Commands**
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345 345  )))
346 346  )))
347 347  
377 +
378 +
379 +
348 348  === 3.3.2 Configure sensors ===
349 349  
350 350  
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372 372  )))
373 373  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
374 374  
407 +
408 +
409 +
375 375  === 3.3.3 Configure read commands for each sampling ===
376 376  
377 377  
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1242 1242  
1243 1243  [[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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1244 1244  
1245 -(% class="wikigeneratedid" %)
1246 1246  ==== ====
1247 1247  
1248 1248  ==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
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1254 1254  
1255 1255  **~ ​AT+RXMODE=1,10**  ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
1256 1256  
1257 -**~ ​AT+RXMODE=2,500 ** ~/~/RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1291 +**~ ​AT+RXMODE=2,500    ** ~/~/RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1258 1258  
1259 1259   **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
1260 1260  
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1263 1263  (% style="color:#037691" %)**Downlink Payload:**
1264 1264  )))
1265 1265  
1266 -**A6 aa bb bb  ** ~/~/same as AT+RXMODE=aa,bb
1300 +**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
1267 1267  
1268 1268  [[image:image-20220824144240-1.png]]
1269 1269  
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1518 1518  )))
1519 1519  
1520 1520  (((
1521 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1555 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1522 1522  )))
1523 1523  
1524 1524  (((

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