Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.2 >
edited by Xiaoling
on 2022/06/06 11:09
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  
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -123,13 +123,9 @@
123 123  
124 124  (((
125 125  (((
126 -(((
127 127  v1.2: Add External Interrupt Pin.
128 -)))
129 129  
130 -(((
131 131  v1.0: Release
132 -)))
133 133  
134 134  
135 135  )))
... ... @@ -157,9 +157,7 @@
157 157  == 3.1 How it works? ==
158 158  
159 159  (((
160 -(((
161 161  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.
162 -)))
163 163  
164 164  
165 165  )))
... ... @@ -249,19 +249,19 @@
249 249  
250 250  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:
251 251  
252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 -|=(% style="width: 110px;" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
254 254  **AT Commands**
255 -)))|=(% style="width: 190px;" %)(((
237 +)))|(% style="width:305px" %)(((
256 256  **Description**
257 -)))|=(% style="width: 190px;" %)(((
239 +)))|(% style="width:346px" %)(((
258 258  **Example**
259 259  )))
260 -|(% style="width:110px" %)(((
242 +|(% style="width:128px" %)(((
261 261  AT+BAUDR
262 -)))|(% style="width:190px" %)(((
244 +)))|(% style="width:305px" %)(((
263 263  Set the baud rate (for RS485 connection). Default Value is: 9600.
264 -)))|(% style="width:190px" %)(((
246 +)))|(% style="width:346px" %)(((
265 265  (((
266 266  AT+BAUDR=9600
267 267  )))
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270 270  Options: (1200,2400,4800,14400,19200,115200)
271 271  )))
272 272  )))
273 -|(% style="width:110px" %)(((
255 +|(% style="width:128px" %)(((
274 274  AT+PARITY
275 -)))|(% style="width:190px" %)(((
257 +)))|(% style="width:305px" %)(((
276 276  Set UART parity (for RS485 connection)
277 -)))|(% style="width:190px" %)(((
259 +)))|(% style="width:346px" %)(((
278 278  (((
279 279  AT+PARITY=0
280 280  )))
... ... @@ -283,9 +283,9 @@
283 283  Option: 0: no parity, 1: odd parity, 2: even parity
284 284  )))
285 285  )))
286 -|(% style="width:110px" %)(((
268 +|(% style="width:128px" %)(((
287 287  AT+STOPBIT
288 -)))|(% style="width:190px" %)(((
270 +)))|(% style="width:305px" %)(((
289 289  (((
290 290  Set serial stopbit (for RS485 connection)
291 291  )))
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293 293  (((
294 294  
295 295  )))
296 -)))|(% style="width:190px" %)(((
278 +)))|(% style="width:346px" %)(((
297 297  (((
298 298  AT+STOPBIT=0 for 1bit
299 299  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -317,18 +317,16 @@
317 317  )))
318 318  )))
319 319  
320 -(% border="1" cellspacing="10" 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 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -374,8 +374,8 @@
374 374  
375 375  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 -|(% style="width:510px" %)(((
355 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 +|(% style="width:722px" %)(((
379 379  **AT+DATACUTx=a,b,c**
380 380  
381 381  * **a: length for the return of AT+COMMAND**
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501 501  
502 502  == 3.4 Uplink Payload ==
503 503  
482 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
483 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
484 +|Value|(% style="width:120px" %)(((
485 +Battery(mV)
504 504  
505 -[[image:image-20220606110929-1.png]]
487 +&
506 506  
489 +Interrupt _Flag
490 +)))|(% style="width:116px" %)(((
491 +PAYLOAD_VER
492 +
493 +
494 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
495 +
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
... ... @@ -866,6 +866,7 @@
866 866  |**RST**|(% style="width:1420px" %)Reboot RS485
867 867  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
868 868  
858 +
869 869  == 3.8 LEDs ==
870 870  
871 871  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -873,6 +873,7 @@
873 873  |**PWR**|Always on if there is power
874 874  |**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.
875 875  
866 +
876 876  = 4. Case Study =
877 877  
878 878  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
... ... @@ -1050,6 +1050,7 @@
1050 1050  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1051 1051  
1052 1052  
1044 +
1053 1053  = 9.Packing Info =
1054 1054  
1055 1055  
... ... @@ -1067,6 +1067,7 @@
1067 1067  * Weight / pcs : 170g
1068 1068  
1069 1069  
1062 +
1070 1070  = 10. FCC Caution for RS485LN-US915 =
1071 1071  
1072 1072  (((
image-20220606110929-1.png
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... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
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... ... @@ -1,1 +1,0 @@
1 -13.9 KB
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