Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.44 >
edited by Xiaoling
on 2022/06/06 10:12
To version < 58.1 >
edited by Xiaoling
on 2022/06/06 11:09
>
Change comment: Uploaded new attachment "image-20220606110929-1.png", version {1}

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... ... @@ -104,7 +104,6 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
107 -
108 108  == 1.4 Applications ==
109 109  
110 110  * Smart Buildings & Home Automation
... ... @@ -115,7 +115,6 @@
115 115  * Smart Factory
116 116  
117 117  
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/]]
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125 125  
126 126  (((
127 127  (((
126 +(((
128 128  v1.2: Add External Interrupt Pin.
128 +)))
129 129  
130 +(((
130 130  v1.0: Release
132 +)))
131 131  
132 132  
133 133  )))
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155 155  == 3.1 How it works? ==
156 156  
157 157  (((
160 +(((
158 158  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 +)))
159 159  
160 160  
161 161  )))
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245 245  
246 246  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:
247 247  
248 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
249 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
250 250  **AT Commands**
251 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
252 252  **Description**
253 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
254 254  **Example**
255 255  )))
256 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
257 257  AT+BAUDR
258 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
259 259  Set the baud rate (for RS485 connection). Default Value is: 9600.
260 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
261 261  (((
262 262  AT+BAUDR=9600
263 263  )))
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266 266  Options: (1200,2400,4800,14400,19200,115200)
267 267  )))
268 268  )))
269 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
270 270  AT+PARITY
271 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
272 272  Set UART parity (for RS485 connection)
273 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
274 274  (((
275 275  AT+PARITY=0
276 276  )))
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279 279  Option: 0: no parity, 1: odd parity, 2: even parity
280 280  )))
281 281  )))
282 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
283 283  AT+STOPBIT
284 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
285 285  (((
286 286  Set serial stopbit (for RS485 connection)
287 287  )))
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289 289  (((
290 290  
291 291  )))
292 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
293 293  (((
294 294  AT+STOPBIT=0 for 1bit
295 295  )))
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303 303  )))
304 304  )))
305 305  
310 +
311 +
306 306  === 3.3.2 Configure sensors ===
307 307  
308 308  (((
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311 311  )))
312 312  )))
313 313  
314 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
315 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
316 -|AT+CFGDEV|(% style="width:418px" %)(((
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" %)(((
317 317  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
318 318  
319 319  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
320 320  
321 321  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
322 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
328 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
323 323  
330 +
331 +
324 324  === 3.3.3 Configure read commands for each sampling ===
325 325  
326 326  (((
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366 366  
367 367  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
368 368  
369 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
370 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
371 371  **AT+DATACUTx=a,b,c**
372 372  
373 373  * **a: length for the return of AT+COMMAND**
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869 869  |**RST**|(% style="width:1420px" %)Reboot RS485
870 870  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
871 871  
872 -
873 873  == 3.8 LEDs ==
874 874  
875 875  (% border="1" style="background-color:#f7faff; width:500px" %)
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877 877  |**PWR**|Always on if there is power
878 878  |**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.
879 879  
880 -
881 881  = 4. Case Study =
882 882  
883 883  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]]
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1055 1055  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1056 1056  
1057 1057  
1058 -
1059 1059  = 9.Packing Info =
1060 1060  
1061 1061  
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1073 1073  * Weight / pcs : 170g
1074 1074  
1075 1075  
1076 -
1077 1077  = 10. FCC Caution for RS485LN-US915 =
1078 1078  
1079 1079  (((
image-20220606110929-1.png
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