Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.47 >
edited by Xiaoling
on 2022/06/06 10:49
To version < 57.40 >
edited by Xiaoling
on 2022/06/06 09:35
>
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... ... @@ -24,33 +24,23 @@
24 24  
25 25  (((
26 26  (((
27 -(((
28 28  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.
29 29  )))
30 -)))
31 31  
32 32  (((
33 -(((
34 34  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.
35 35  )))
36 -)))
37 37  
38 38  (((
39 -(((
40 40  (% 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.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  (% 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.
47 -)))
48 48  
49 -(((
50 50  (% 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]]
51 51  )))
52 52  )))
53 -)))
54 54  
55 55  [[image:1653267211009-519.png||height="419" width="724"]]
56 56  
... ... @@ -103,8 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -114,8 +114,6 @@
114 114  * Smart Cities
115 115  * Smart Factory
116 116  
117 -
118 -
119 119  == 1.5 Firmware Change log ==
120 120  
121 121  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -125,13 +125,9 @@
125 125  
126 126  (((
127 127  (((
128 -(((
129 129  v1.2: Add External Interrupt Pin.
130 -)))
131 131  
132 -(((
133 133  v1.0: Release
134 -)))
135 135  
136 136  
137 137  )))
... ... @@ -159,9 +159,7 @@
159 159  == 3.1 How it works? ==
160 160  
161 161  (((
162 -(((
163 163  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
164 -)))
165 165  
166 166  
167 167  )))
... ... @@ -251,19 +251,19 @@
251 251  
252 252  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:
253 253  
254 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
255 -|=(% style="width: 110px;" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
256 256  **AT Commands**
257 -)))|=(% style="width: 190px;" %)(((
237 +)))|(% style="width:305px" %)(((
258 258  **Description**
259 -)))|=(% style="width: 190px;" %)(((
239 +)))|(% style="width:346px" %)(((
260 260  **Example**
261 261  )))
262 -|(% style="width:110px" %)(((
242 +|(% style="width:128px" %)(((
263 263  AT+BAUDR
264 -)))|(% style="width:190px" %)(((
244 +)))|(% style="width:305px" %)(((
265 265  Set the baud rate (for RS485 connection). Default Value is: 9600.
266 -)))|(% style="width:190px" %)(((
246 +)))|(% style="width:346px" %)(((
267 267  (((
268 268  AT+BAUDR=9600
269 269  )))
... ... @@ -272,11 +272,11 @@
272 272  Options: (1200,2400,4800,14400,19200,115200)
273 273  )))
274 274  )))
275 -|(% style="width:110px" %)(((
255 +|(% style="width:128px" %)(((
276 276  AT+PARITY
277 -)))|(% style="width:190px" %)(((
257 +)))|(% style="width:305px" %)(((
278 278  Set UART parity (for RS485 connection)
279 -)))|(% style="width:190px" %)(((
259 +)))|(% style="width:346px" %)(((
280 280  (((
281 281  AT+PARITY=0
282 282  )))
... ... @@ -285,9 +285,9 @@
285 285  Option: 0: no parity, 1: odd parity, 2: even parity
286 286  )))
287 287  )))
288 -|(% style="width:110px" %)(((
268 +|(% style="width:128px" %)(((
289 289  AT+STOPBIT
290 -)))|(% style="width:190px" %)(((
270 +)))|(% style="width:305px" %)(((
291 291  (((
292 292  Set serial stopbit (for RS485 connection)
293 293  )))
... ... @@ -295,7 +295,7 @@
295 295  (((
296 296  
297 297  )))
298 -)))|(% style="width:190px" %)(((
278 +)))|(% style="width:346px" %)(((
299 299  (((
300 300  AT+STOPBIT=0 for 1bit
301 301  )))
... ... @@ -317,15 +317,15 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" style="background-color:#ffffcc; color:green; width:510px" %)
321 -|(% style="width:110px" %)**AT Commands**|(% style="width:190px" %)**Description**|(% style="width:190px" %)**Example**
322 -|AT+CFGDEV|(% style="width:110px" %)(((
300 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302 +|AT+CFGDEV|(% style="width:418px" %)(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
324 324  
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
326 326  
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
328 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
308 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 330  === 3.3.3 Configure read commands for each sampling ===
331 331  
... ... @@ -372,8 +372,8 @@
372 372  
373 373  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
374 374  
375 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
376 -|(% style="width:510px" %)(((
355 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 +|(% style="width:722px" %)(((
377 377  **AT+DATACUTx=a,b,c**
378 378  
379 379  * **a: length for the return of AT+COMMAND**

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