Last modified by Mengting Qiu on 2025/07/14 09:59

From version 32.4
edited by Xiaoling
on 2022/06/02 15:24
Change comment: There is no comment for this version
To version 58.38
edited by Xiaoling
on 2022/06/06 11:56
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -6,12 +6,18 @@
6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,23 +18,33 @@
18 18  
19 19  (((
20 20  (((
27 +(((
21 21  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.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  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.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% 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.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% 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 +)))
34 34  
49 +(((
35 35  (% 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]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
... ... @@ -41,6 +41,7 @@
41 41  
42 42  == 1.2 Specifications ==
43 43  
60 +
44 44  **Hardware System:**
45 45  
46 46  * STM32L072CZT6 MCU
... ... @@ -47,8 +47,6 @@
47 47  * SX1276/78 Wireless Chip 
48 48  * Power Consumption (exclude RS485 device):
49 49  ** Idle: 32mA@12v
50 -
51 -*
52 52  ** 20dB Transmit: 65mA@12v
53 53  
54 54  **Interface for Model:**
... ... @@ -75,7 +75,7 @@
75 75  * Preamble detection.
76 76  * 127 dB Dynamic Range RSSI.
77 77  * Automatic RF Sense and CAD with ultra-fast AFC.
78 -* Packet engine up to 256 bytes with CRC.
93 +* Packet engine up to 256 bytes with CRC
79 79  
80 80  == 1.3 Features ==
81 81  
... ... @@ -101,15 +101,22 @@
101 101  
102 102  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
103 103  
119 +
104 104  == 1.6 Hardware Change log ==
105 105  
106 106  (((
107 107  (((
124 +(((
108 108  v1.2: Add External Interrupt Pin.
126 +)))
109 109  
128 +(((
110 110  v1.0: Release
111 111  )))
131 +
132 +
112 112  )))
134 +)))
113 113  
114 114  = 2. Power ON Device =
115 115  
... ... @@ -124,6 +124,8 @@
124 124  )))
125 125  
126 126  [[image:1653268091319-405.png]]
149 +
150 +
127 127  )))
128 128  
129 129  = 3. Operation Mode =
... ... @@ -131,9 +131,13 @@
131 131  == 3.1 How it works? ==
132 132  
133 133  (((
158 +(((
134 134  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.
135 135  )))
136 136  
162 +
163 +)))
164 +
137 137  == 3.2 Example to join LoRaWAN network ==
138 138  
139 139  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. 
... ... @@ -140,15 +140,20 @@
140 140  
141 141  [[image:1653268155545-638.png||height="334" width="724"]]
142 142  
171 +
143 143  (((
173 +(((
144 144  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
175 +)))
145 145  
177 +(((
146 146  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
179 +)))
147 147  
148 148  [[image:1653268227651-549.png||height="592" width="720"]]
149 149  
150 150  (((
151 -The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
184 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
152 152  )))
153 153  
154 154  (((
... ... @@ -195,15 +195,18 @@
195 195  
196 196  [[image:1652953568895-172.png||height="232" width="724"]]
197 197  
231 +
198 198  == 3.3 Configure Commands to read data ==
199 199  
200 200  (((
201 201  (((
202 -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>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
236 +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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
203 203  )))
204 204  
205 205  (((
206 206  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
241 +
242 +
207 207  )))
208 208  )))
209 209  
... ... @@ -211,19 +211,19 @@
211 211  
212 212  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:
213 213  
214 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
215 -|(((
250 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
251 +|=(% style="width: 110px;" %)(((
216 216  **AT Commands**
217 -)))|(% style="width:285px" %)(((
253 +)))|=(% style="width: 190px;" %)(((
218 218  **Description**
219 -)))|(% style="width:347px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
220 220  **Example**
221 221  )))
222 -|(((
258 +|(% style="width:110px" %)(((
223 223  AT+BAUDR
224 -)))|(% style="width:285px" %)(((
260 +)))|(% style="width:190px" %)(((
225 225  Set the baud rate (for RS485 connection). Default Value is: 9600.
226 -)))|(% style="width:347px" %)(((
262 +)))|(% style="width:190px" %)(((
227 227  (((
228 228  AT+BAUDR=9600
229 229  )))
... ... @@ -232,11 +232,11 @@
232 232  Options: (1200,2400,4800,14400,19200,115200)
233 233  )))
234 234  )))
235 -|(((
271 +|(% style="width:110px" %)(((
236 236  AT+PARITY
237 -)))|(% style="width:285px" %)(((
273 +)))|(% style="width:190px" %)(((
238 238  Set UART parity (for RS485 connection)
239 -)))|(% style="width:347px" %)(((
275 +)))|(% style="width:190px" %)(((
240 240  (((
241 241  AT+PARITY=0
242 242  )))
... ... @@ -245,9 +245,9 @@
245 245  Option: 0: no parity, 1: odd parity, 2: even parity
246 246  )))
247 247  )))
248 -|(((
284 +|(% style="width:110px" %)(((
249 249  AT+STOPBIT
250 -)))|(% style="width:285px" %)(((
286 +)))|(% style="width:190px" %)(((
251 251  (((
252 252  Set serial stopbit (for RS485 connection)
253 253  )))
... ... @@ -255,7 +255,7 @@
255 255  (((
256 256  
257 257  )))
258 -)))|(% style="width:347px" %)(((
294 +)))|(% style="width:190px" %)(((
259 259  (((
260 260  AT+STOPBIT=0 for 1bit
261 261  )))
... ... @@ -277,90 +277,47 @@
277 277  )))
278 278  )))
279 279  
280 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
281 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
282 -|AT+CFGDEV|(% style="width:418px" %)(((
316 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
317 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
318 +|AT+CFGDEV|(% style="width:110px" %)(((
283 283  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
284 284  
285 285  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
286 286  
287 287  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
288 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
324 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
289 289  
290 290  === 3.3.3 Configure read commands for each sampling ===
291 291  
292 292  (((
293 -RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
294 -)))
329 +During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
295 295  
296 -(((
297 -During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
298 -)))
299 -
300 -(((
301 301  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
302 -)))
303 303  
304 -(((
305 305  This section describes how to achieve above goals.
306 -)))
307 307  
308 -(((
309 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
310 -)))
335 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
311 311  
312 -(((
313 -**Command from RS485-BL to Sensor:**
314 -)))
315 315  
316 -(((
317 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
318 -)))
338 +**Each RS485 commands include two parts:**
319 319  
320 -(((
321 -**Handle return from sensors to RS485-BL**:
322 -)))
340 +~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
323 323  
324 -(((
325 -After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
326 -)))
342 +2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
327 327  
328 -* (((
329 -**AT+DATACUT**
330 -)))
344 +3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
331 331  
332 -(((
333 -When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
334 -)))
335 335  
336 -* (((
337 -**AT+SEARCH**
338 -)))
339 -
340 -(((
341 -When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
342 -)))
343 -
344 -(((
345 -**Define wait timeout:**
346 -)))
347 -
348 -(((
349 -Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
350 -)))
351 -
352 -(((
353 353  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
354 -)))
355 355  
356 -**Examples:**
357 357  
358 358  Below are examples for the how above AT Commands works.
359 359  
360 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
361 361  
362 -(% border="1" class="table-bordered" %)
363 -|(((
353 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
354 +
355 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
356 +|(% style="width:496px" %)(((
364 364  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
365 365  
366 366  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -368,49 +368,15 @@
368 368  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
369 369  )))
370 370  
371 -(((
372 372  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
373 -)))
374 374  
375 -(((
376 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
377 -)))
366 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
378 378  
379 -(((
380 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
381 -)))
382 382  
383 -(% border="1" class="table-bordered" %)
384 -|(((
385 -**AT+SEARCHx=aa,xx xx xx xx xx**
386 -
387 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
388 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
389 -
390 -
391 -)))
392 -
393 -**Examples:**
394 -
395 -~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
396 -
397 -If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
398 -
399 -The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
400 -
401 -[[image:1653269403619-508.png]]
402 -
403 -2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
404 -
405 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49
406 -
407 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
408 -
409 -[[image:1653269438444-278.png]]
410 -
411 411  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
412 412  
413 -|(((
371 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
372 +|(% style="width:510px" %)(((
414 414  **AT+DATACUTx=a,b,c**
415 415  
416 416  * **a: length for the return of AT+COMMAND**
... ... @@ -418,48 +418,37 @@
418 418  * **c: define the position for valid value.  **
419 419  )))
420 420  
421 -Examples:
380 +**Examples:**
422 422  
423 423  * Grab bytes:
424 424  
425 -[[image:1653269551753-223.png||height="311" width="717"]]
384 +[[image:image-20220602153621-1.png]]
426 426  
386 +
427 427  * Grab a section.
428 428  
429 -[[image:1653269568276-930.png||height="325" width="718"]]
389 +[[image:image-20220602153621-2.png]]
430 430  
391 +
431 431  * Grab different sections.
432 432  
433 -[[image:1653269593172-426.png||height="303" width="725"]]
394 +[[image:image-20220602153621-3.png]]
434 434  
435 -(% style="color:red" %)**Note:**
396 +
397 +)))
436 436  
437 -AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
438 -
439 -Example:
440 -
441 -(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
442 -
443 -(% style="color:red" %)AT+SEARCH1=1,1E 56 34
444 -
445 -(% style="color:red" %)AT+DATACUT1=0,2,1~~5
446 -
447 -(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
448 -
449 -(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
450 -
451 -(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
452 -
453 -[[image:1653269618463-608.png]]
454 -
455 455  === 3.3.4 Compose the uplink payload ===
456 456  
457 457  (((
458 458  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
403 +
404 +
459 459  )))
460 460  
461 461  (((
462 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
408 +(% style="color:#037691" %)**Examples: AT+DATAUP=0**
409 +
410 +
463 463  )))
464 464  
465 465  (((
... ... @@ -480,8 +480,10 @@
480 480  
481 481  [[image:1653269759169-150.png||height="513" width="716"]]
482 482  
483 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
484 484  
432 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
433 +
434 +
485 485  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
486 486  
487 487  Final Payload is
... ... @@ -488,700 +488,1030 @@
488 488  
489 489  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
490 490  
491 -1. Battery Info (2 bytes): Battery voltage
492 -1. PAYVER (1 byte): Defined by AT+PAYVER
493 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
494 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
495 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
496 496  
497 -[[image:1653269916228-732.png||height="433" width="711"]]
442 +1. PAYVER: Defined by AT+PAYVER
443 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
444 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
445 +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
498 498  
447 +[[image:image-20220602155039-4.png]]
499 499  
500 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
501 501  
502 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
450 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
503 503  
504 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
452 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
505 505  
506 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
454 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
507 507  
508 -Below are the uplink payloads:
456 +DATA3=the rest of Valid value of RETURN10= **30**
509 509  
510 -[[image:1653270130359-810.png]]
511 511  
459 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
512 512  
513 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
461 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
514 514  
515 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
463 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
516 516  
517 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
465 + * For US915 band, max 11 bytes for each uplink.
518 518  
519 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
467 + ~* For all other bands: max 51 bytes for each uplink.
520 520  
521 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
522 522  
523 -=== 3.3.5 Uplink on demand ===
470 +Below are the uplink payloads:
524 524  
525 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
472 +[[image:1654157178836-407.png]]
526 526  
527 -Downlink control command:
528 528  
529 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
475 +=== 3.3.5 Uplink on demand ===
530 530  
531 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
477 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
532 532  
479 +Downlink control command:
533 533  
481 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
534 534  
535 -1.
536 -11.
537 -111. Uplink on Interrupt
483 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
538 538  
539 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
540 540  
541 -AT+INTMOD=0  Disable Interrupt
542 542  
543 -AT+INTMOD= Interrupt trigger by rising or falling edge.
487 +=== 3.3.6 Uplink on Interrupt ===
544 544  
545 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
489 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
546 546  
547 -AT+INTMOD=3  Interrupt trigger by rising edge.
491 +[[image:1654157342174-798.png]]
548 548  
493 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
549 549  
550 -1.
551 -11. Uplink Payload
552 552  
553 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
554 -|Value|(((
555 -Battery(mV)
496 +== 3.4 Uplink Payload ==
556 556  
557 -&
558 558  
559 -Interrupt _Flag
560 -)))|(((
561 -PAYLOAD_VER
499 +[[image:image-20220606110929-1.png]]
562 562  
563 -
564 -)))|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.
565 -
566 566  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
567 567  
568 568  
569 -function Decoder(bytes, port) {
504 +== 3.5 Configure RS485-BL via AT or Downlink ==
570 570  
571 -~/~/Payload Formats of RS485-BL Deceive
506 +(((
507 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
508 +)))
572 572  
573 -return {
574 -
575 - ~/~/Battery,units:V
576 -
577 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
578 -
579 - ~/~/GPIO_EXTI 
580 -
581 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
582 -
583 - ~/~/payload of version
584 -
585 - Pay_ver:bytes[2],
586 -
587 - };
588 -
589 - }
590 -
591 -
592 -
593 -
594 -
595 -
596 -
597 -TTN V3 uplink screen shot.
598 -
599 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
600 -
601 -1.
602 -11. Configure RS485-BL via AT or Downlink
603 -
604 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
605 -
510 +(((
606 606  There are two kinds of Commands:
512 +)))
607 607  
608 -* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
514 +* (((
515 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
516 +)))
609 609  
610 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
518 +* (((
519 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
520 +)))
611 611  
612 -1.
613 -11.
614 -111. Common Commands:
522 +(((
523 +
524 +)))
615 615  
616 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
617 617  
527 +=== 3.5.1 Common Commands ===
618 618  
619 -1.
620 -11.
621 -111. Sensor related commands:
529 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
622 622  
623 -==== Choose Device Type (RS485 or TTL) ====
624 624  
625 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
532 +=== 3.5.2 Sensor related commands ===
626 626  
627 -* AT Command
534 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
628 628  
629 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
536 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
630 630  
631 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
538 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
632 632  
633 633  
634 -* Downlink Payload
541 +=== 3.5.3 Sensor related commands ===
635 635  
636 -**0A aa**     à same as AT+MOD=aa
637 637  
638 638  
639 639  
640 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
546 +==== **RS485 Debug Command** ====
641 641  
642 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
548 +(((
549 +This command is used to configure the RS485 devices; they won’t be used during sampling.
550 +)))
643 643  
644 -* AT Command
552 +* (((
553 +**AT Command**
554 +)))
645 645  
646 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
556 +(% class="box infomessage" %)
557 +(((
558 +(((
559 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
560 +)))
561 +)))
647 647  
648 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
563 +(((
564 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
565 +)))
649 649  
567 +* (((
568 +**Downlink Payload**
569 +)))
650 650  
651 -
652 -* Downlink Payload
653 -
571 +(((
654 654  Format: A8 MM NN XX XX XX XX YY
573 +)))
655 655  
575 +(((
656 656  Where:
577 +)))
657 657  
658 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
659 -* NN: The length of RS485 command
660 -* XX XX XX XX: RS485 command total NN bytes
661 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
579 +* (((
580 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
581 +)))
582 +* (((
583 +NN: The length of RS485 command
584 +)))
585 +* (((
586 +XX XX XX XX: RS485 command total NN bytes
587 +)))
588 +* (((
589 +(((
590 +YY: How many bytes will be uplink from the return of this RS485 command,
591 +)))
662 662  
663 -**Example 1:**
593 +* (((
594 +if YY=0, RS485-LN will execute the downlink command without uplink;
595 +)))
596 +* (((
597 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
598 +)))
599 +* (((
600 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
601 +)))
602 +)))
664 664  
604 +(((
605 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
606 +)))
607 +
608 +(((
665 665  To connect a Modbus Alarm with below commands.
610 +)))
666 666  
667 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
612 +* (((
613 +The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
614 +)))
668 668  
669 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
616 +* (((
617 +The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
618 +)))
670 670  
620 +(((
671 671  So if user want to use downlink command to control to RS485 Alarm, he can use:
622 +)))
672 672  
673 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
624 +(((
625 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
626 +)))
674 674  
675 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
628 +(((
629 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
630 +)))
676 676  
632 +(((
677 677  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
634 +)))
678 678  
636 +(((
637 +
638 +)))
679 679  
680 -**Example 2:**
640 +(((
641 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
642 +)))
681 681  
682 -Check TTL Sensor return:
644 +(((
645 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
646 +)))
683 683  
684 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
648 +(((
649 +
650 +)))
685 685  
652 +(((
653 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
654 +)))
686 686  
656 +(((
657 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
658 +)))
687 687  
660 +(((
661 + [[image:1654159460680-153.png]]
662 +)))
688 688  
689 -==== Set Payload version ====
690 690  
665 +
666 +
667 +==== **Set Payload version** ====
668 +
669 +(((
691 691  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
671 +)))
692 692  
693 -* AT Command:
673 +* (((
674 +**AT Command:**
675 +)))
694 694  
695 -AT+PAYVER: Set PAYVER field = 1
677 +(% class="box infomessage" %)
678 +(((
679 +(((
680 +**AT+PAYVER: Set PAYVER field = 1**
681 +)))
682 +)))
696 696  
684 +* (((
685 +**Downlink Payload:**
686 +)))
697 697  
698 -* Downlink Payload:
688 +(((
689 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
690 +)))
699 699  
700 -0xAE 01   à Set PAYVER field =  0x01
692 +(((
693 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
694 +)))
701 701  
702 -0xAE 0F   à Set PAYVER field =  0x0F
703 703  
704 704  
705 -==== Set RS485 Sampling Commands ====
706 706  
707 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
699 +==== **Set RS485 Sampling Commands** ====
708 708  
709 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
701 +(((
702 +AT+COMMANDx or AT+DATACUTx
703 +)))
710 710  
705 +(((
706 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
707 +)))
711 711  
712 -* AT Command:
709 +(((
710 +
711 +)))
713 713  
714 -AT+COMMANDx: Configure RS485 read command to sensor.
713 +* (((
714 +**AT Command:**
715 +)))
715 715  
716 -AT+DATACUTx: Configure how to handle return from RS485 devices.
717 +(% class="box infomessage" %)
718 +(((
719 +(((
720 +**AT+COMMANDx: Configure RS485 read command to sensor.**
721 +)))
722 +)))
717 717  
718 -AT+SEARCHx: Configure search command
724 +(% class="box infomessage" %)
725 +(((
726 +(((
727 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
728 +)))
729 +)))
719 719  
731 +(((
732 +
733 +)))
720 720  
721 -* Downlink Payload:
735 +* (((
736 +**Downlink Payload:**
737 +)))
722 722  
723 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
739 +(((
740 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
741 +)))
724 724  
725 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
743 +(((
744 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
745 +)))
726 726  
747 +(((
727 727  Format: AF MM NN LL XX XX XX XX YY
749 +)))
728 728  
751 +(((
729 729  Where:
753 +)))
730 730  
731 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
732 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
733 -* LL: The length of AT+COMMAND or AT+DATACUT command
734 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
735 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
755 +* (((
756 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
757 +)))
758 +* (((
759 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
760 +)))
761 +* (((
762 +LL:  The length of AT+COMMAND or AT+DATACUT command
763 +)))
764 +* (((
765 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
766 +)))
767 +* (((
768 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
769 +)))
736 736  
737 -Example:
771 +(((
772 +**Example:**
773 +)))
738 738  
739 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
775 +(((
776 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
777 +)))
740 740  
741 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
779 +(((
780 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
781 +)))
742 742  
743 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
783 +(((
784 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
785 +)))
744 744  
745 745  
746 -0xAB downlink command can be used for set AT+SEARCHx
747 747  
748 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
749 749  
750 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
751 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
790 +==== **Fast command to handle MODBUS device** ====
752 752  
753 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
792 +(((
793 +AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
794 +)))
754 754  
796 +(((
797 +This command is valid since v1.3 firmware version
798 +)))
755 755  
756 -==== Fast command to handle MODBUS device ====
800 +(((
801 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
802 +)))
757 757  
758 -AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
804 +(((
805 +
806 +)))
759 759  
760 -This command is valid since v1.3 firmware version
808 +(((
809 +**Example:**
810 +)))
761 761  
812 +* (((
813 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
814 +)))
815 +* (((
816 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
817 +)))
818 +* (((
819 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
820 +)))
762 762  
763 -AT+MBFUN has only two value:
822 +[[image:image-20220602165351-6.png]]
764 764  
765 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
824 +[[image:image-20220602165351-7.png]]
766 766  
767 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
768 768  
769 -* AT+MBFUN=0: Disable Modbus fast reading.
770 770  
771 -Example:
772 772  
773 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
774 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
775 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
829 +==== **RS485 command timeout** ====
776 776  
777 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
831 +(((
832 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
833 +)))
778 778  
835 +(((
836 +Default value: 0, range:  0 ~~ 65 seconds
837 +)))
779 779  
780 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
839 +* (((
840 +**AT Command:**
841 +)))
781 781  
843 +(% class="box infomessage" %)
844 +(((
845 +(((
846 +**AT+CMDDLaa=hex(bb cc)*1000**
847 +)))
848 +)))
782 782  
783 -* Downlink Commands:
850 +(((
851 +**Example:**
852 +)))
784 784  
785 -A9 aa -à Same as AT+MBFUN=aa
854 +(((
855 +**AT+CMDDL1=1000** to send the open time to 1000ms
856 +)))
786 786  
858 +(((
859 +
860 +)))
787 787  
788 -==== RS485 command timeout ====
862 +* (((
863 +**Downlink Payload:**
864 +)))
789 789  
790 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
866 +(((
867 +**0x AA aa bb cc**
868 +)))
791 791  
792 -Default value: 0, range:  0 ~~ 5 seconds
870 +(((
871 +Same as: AT+CMDDLaa=hex(bb cc)*1000
872 +)))
793 793  
874 +(((
875 + **Example:**
876 +)))
794 794  
795 -* AT Command:
878 +(((
879 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
880 +)))
796 796  
797 -AT+CMDDLaa=hex(bb cc)
798 798  
799 -Example:
800 800  
801 -**AT+CMDDL1=1000** to send the open time to 1000ms
802 802  
885 +==== **Uplink payload mode** ====
803 803  
804 -* Downlink Payload:
887 +(((
888 +Define to use one uplink or multiple uplinks for the sampling.
889 +)))
805 805  
806 -0x AA aa bb cc
891 +(((
892 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
893 +)))
807 807  
808 -Same as: AT+CMDDLaa=hex(bb cc)
895 +* (((
896 +**AT Command:**
897 +)))
809 809  
810 - Example:
899 +(% class="box infomessage" %)
900 +(((
901 +(((
902 +**AT+DATAUP=0**
903 +)))
904 +)))
811 811  
812 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
906 +(% class="box infomessage" %)
907 +(((
908 +(((
909 +**AT+DATAUP=1**
910 +)))
911 +)))
813 813  
913 +(((
914 +
915 +)))
814 814  
815 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
917 +* (((
918 +**Downlink Payload:**
919 +)))
816 816  
817 -Define to use one uplink or multiple uplinks for the sampling.
921 +(((
922 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
923 +)))
818 818  
819 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
925 +(((
926 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
927 +)))
820 820  
821 -* AT Command:
822 822  
823 -AT+DATAUP=0
824 824  
825 -AT+DATAUP=1
826 826  
932 +==== **Manually trigger an Uplink** ====
827 827  
828 -* Downlink Payload:
934 +(((
935 +Ask device to send an uplink immediately.
936 +)))
829 829  
830 -0xAD 00   à Same as AT+DATAUP=0
938 +* (((
939 +**AT Command:**
940 +)))
831 831  
832 -0xAD 01   à Same as AT+DATAUP=1
942 +(((
943 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
944 +)))
833 833  
946 +(((
947 +
948 +)))
834 834  
835 -==== Manually trigger an Uplink ====
950 +* (((
951 +**Downlink Payload:**
952 +)))
836 836  
837 -Ask device to send an uplink immediately.
954 +(((
955 +**0x08 FF**, RS485-LN will immediately send an uplink.
956 +)))
838 838  
839 -* Downlink Payload:
840 840  
841 -0x08 FF, RS485-BL will immediately send an uplink.
842 842  
843 843  
844 -==== Clear RS485 Command ====
961 +==== **Clear RS485 Command** ====
845 845  
963 +(((
846 846  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
965 +)))
847 847  
967 +* (((
968 +**AT Command:**
969 +)))
848 848  
849 -* AT Command:
850 -
971 +(((
851 851  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
973 +)))
852 852  
975 +(((
853 853  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
977 +)))
854 854  
979 +(((
855 855  Example screen shot after clear all RS485 commands. 
981 +)))
856 856  
983 +(((
984 +
985 +)))
857 857  
858 -
987 +(((
859 859  The uplink screen shot is:
989 +)))
860 860  
861 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
991 +[[image:1654160691922-496.png]]
862 862  
863 863  
864 -* Downlink Payload:
994 +* (((
995 +**Downlink Payload:**
996 +)))
865 865  
866 -0x09 aa bb same as AT+CMDEAR=aa,bb
998 +(((
999 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 +)))
867 867  
868 868  
869 -==== Set Serial Communication Parameters ====
870 870  
1004 +
1005 +==== **Set Serial Communication Parameters** ====
1006 +
1007 +(((
871 871  Set the Rs485 serial communication parameters:
1009 +)))
872 872  
873 -* AT Command:
1011 +* (((
1012 +**AT Command:**
1013 +)))
874 874  
1015 +(((
875 875  Set Baud Rate:
1017 +)))
876 876  
877 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1019 +(% class="box infomessage" %)
1020 +(((
1021 +(((
1022 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1023 +)))
1024 +)))
878 878  
1026 +(((
1027 +Set UART Parity
1028 +)))
879 879  
880 -Set UART parity
1030 +(% class="box infomessage" %)
1031 +(((
1032 +(((
1033 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1034 +)))
1035 +)))
881 881  
882 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
883 -
884 -
1037 +(((
885 885  Set STOPBIT
1039 +)))
886 886  
887 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1041 +(% class="box infomessage" %)
1042 +(((
1043 +(((
1044 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1045 +)))
1046 +)))
888 888  
1048 +(((
1049 +
1050 +)))
889 889  
890 -* Downlink Payload:
1052 +* (((
1053 +**Downlink Payload:**
1054 +)))
891 891  
892 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1056 +(((
1057 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1058 +)))
893 893  
894 -Example:
1060 +(((
1061 +**Example:**
1062 +)))
895 895  
896 -* A7 01 00 60   same as AT+BAUDR=9600
897 -* A7 01 04 80  same as AT+BAUDR=115200
1064 +* (((
1065 +A7 01 00 60   same as AT+BAUDR=9600
1066 +)))
1067 +* (((
1068 +A7 01 04 80  same as AT+BAUDR=115200
1069 +)))
898 898  
1071 +(((
899 899  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1073 +)))
900 900  
1075 +(((
901 901  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1077 +)))
902 902  
903 903  
904 -==== Control output power duration ====
905 905  
906 -User can set the output power duration before each sampling.
907 907  
908 -* AT Command:
1082 +== 3.6 Listening mode for RS485 network ==
909 909  
910 -Example:
1084 +(((
1085 +This feature support since firmware v1.4
1086 +)))
911 911  
912 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1088 +(((
1089 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1090 +)))
913 913  
914 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1092 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
915 915  
1094 +(((
1095 +To enable the listening mode, use can run the command AT+RXMODE.
1096 +)))
916 916  
917 -* LoRaWAN Downlink Command:
1098 +(((
1099 +
1100 +)))
918 918  
919 -07 01 aa bb  Same as AT+5VT=(aa bb)
1102 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1103 +|=(% style="width: 161px;" %)(((
1104 +**Command example:**
1105 +)))|=(% style="width: 337px;" %)(((
1106 +**Function**
1107 +)))
1108 +|(% style="width:161px" %)(((
1109 +AT+RXMODE=1,10
1110 +)))|(% style="width:337px" %)(((
1111 +Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1112 +)))
1113 +|(% style="width:161px" %)(((
1114 +AT+RXMODE=2,500
1115 +)))|(% style="width:337px" %)(((
1116 +Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1117 +)))
1118 +|(% style="width:161px" %)(((
1119 +AT+RXMODE=0,0
1120 +)))|(% style="width:337px" %)(((
1121 +Disable listening mode. This is the default settings.
1122 +)))
1123 +|(% style="width:161px" %)(((
1124 +
1125 +)))|(% style="width:337px" %)(((
1126 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1127 +)))
920 920  
921 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1129 +(((
1130 +**Downlink Command:**
1131 +)))
922 922  
1133 +(((
1134 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1135 +)))
923 923  
1137 +(((
1138 +
1139 +)))
924 924  
1141 +(((
1142 +**Example**:
1143 +)))
925 925  
926 -1.
927 -11. Buttons
1145 +(((
1146 +The RS485-LN is set to AT+RXMODE=2,1000
1147 +)))
928 928  
929 -|**Button**|**Feature**
930 -|**RST**|Reboot RS485-BL
1149 +(((
1150 +There is a two Modbus commands in the RS485 network as below:
1151 +)))
931 931  
932 -1.
933 -11. +3V3 Output
1153 +(((
1154 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1155 +)))
934 934  
935 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1157 +(((
1158 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1159 +)))
936 936  
937 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1161 +(((
1162 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1163 +)))
938 938  
1165 +(((
1166 +[[image:image-20220602171200-9.png]]
1167 +)))
939 939  
940 -The +3V3 output time can be controlled by AT Command.
1169 +(((
1170 +
1171 +)))
941 941  
942 -**AT+3V3T=1000**
1173 +(((
1174 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1175 +)))
943 943  
944 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
945 945  
1178 +== 3.7 Buttons ==
946 946  
947 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
948 948  
1181 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1182 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1183 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1184 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1185 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
949 949  
950 -1.
951 -11. +5V Output
952 952  
953 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1188 +== 3.8 LEDs ==
954 954  
955 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
956 956  
1191 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1192 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1193 +|**PWR**|Always on if there is power
1194 +|**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.
957 957  
958 -The 5V output time can be controlled by AT Command.
959 959  
960 -**AT+5VT=1000**
961 961  
962 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1198 += 4. Case Study =
963 963  
1200 +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]]
964 964  
965 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
966 966  
1203 += 5. Use AT Command =
967 967  
1205 +== 5.1 Access AT Command ==
968 968  
1207 +(((
1208 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1209 +)))
969 969  
970 -1.
971 -11. LEDs
1211 +[[image:1654162355560-817.png]]
972 972  
973 -|**LEDs**|**Feature**
974 -|**LED1**|Blink when device transmit a packet.
975 975  
976 -1.
977 -11. Switch Jumper
1214 +(((
1215 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1216 +)))
978 978  
979 -|**Switch Jumper**|**Feature**
980 -|**SW1**|(((
981 -ISP position: Upgrade firmware via UART
1218 +[[image:1654162368066-342.png]]
982 982  
983 -Flash position: Configure device, check running status.
984 -)))
985 -|**SW2**|(((
986 -5V position: set to compatible with 5v I/O.
987 987  
988 -3.3v position: set to compatible with 3.3v I/O.,
1221 +(((
1222 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
989 989  )))
990 990  
991 -+3.3V: is always ON
992 992  
993 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
994 994  
995 -1. Case Study
1227 +== 5.2 Common AT Command Sequence ==
996 996  
997 -User can check this URL for some case studies.
1229 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
998 998  
999 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1231 +If device has not joined network yet:
1000 1000  
1233 +(% class="box infomessage" %)
1234 +(((
1235 +**AT+FDR**
1236 +)))
1001 1001  
1238 +(% class="box infomessage" %)
1239 +(((
1240 +**AT+NJM=0**
1241 +)))
1002 1002  
1243 +(% class="box infomessage" %)
1244 +(((
1245 +**ATZ**
1246 +)))
1003 1003  
1004 -1. Use AT Command
1005 -11. Access AT Command
1006 1006  
1007 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1249 +If device already joined network:
1008 1008  
1009 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1251 +(% class="box infomessage" %)
1252 +(((
1253 +**AT+NJM=0**
1254 +)))
1010 1010  
1256 +(% class="box infomessage" %)
1257 +(((
1258 +**ATZ**
1259 +)))
1011 1011  
1012 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1013 1013  
1014 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1262 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1015 1015  
1016 1016  
1265 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1017 1017  
1018 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1267 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1019 1019  
1269 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1020 1020  
1271 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1021 1021  
1022 -1.
1023 -11. Common AT Command Sequence
1024 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1273 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1025 1025  
1026 -If device has not joined network yet:
1275 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1027 1027  
1028 -AT+FDR
1277 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1029 1029  
1030 -AT+NJM=0
1279 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1031 1031  
1032 -ATZ
1281 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1033 1033  
1283 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1034 1034  
1035 -If device already joined network:
1036 1036  
1037 -AT+NJM=0
1286 +(% style="color:red" %)**Note:**
1038 1038  
1039 -ATZ
1288 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1289 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1290 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1291 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1040 1040  
1041 -1.
1042 -11.
1043 -111. Single-channel ABP mode (Use with LG01/LG02)
1293 +[[image:1654162478620-421.png]]
1044 1044  
1045 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1046 1046  
1047 -AT+NJM=0 Set to ABP mode
1296 += 6. FAQ =
1048 1048  
1049 -AT+ADR=0 Set the Adaptive Data Rate Off
1298 +== 6.1 How to upgrade the image? ==
1050 1050  
1051 -AT+DR=5  Set Data Rate
1300 +(((
1301 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1302 +)))
1052 1052  
1053 -AT+TDC=60000  Set transmit interval to 60 seconds
1304 +* (((
1305 +Support new features
1306 +)))
1307 +* (((
1308 +For bug fix
1309 +)))
1310 +* (((
1311 +Change LoRaWAN bands.
1312 +)))
1054 1054  
1055 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1314 +(((
1315 +Below shows the hardware connection for how to upload an image to RS485-LN:
1316 +)))
1056 1056  
1057 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1318 +[[image:1654162535040-878.png]]
1058 1058  
1059 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1320 +**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1060 1060  
1061 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1322 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1062 1062  
1063 -ATZ          Reset MCU
1324 +**Step3: **Open flashloader; choose the correct COM port to update.
1064 1064  
1065 -**Note:**
1326 +(((
1327 +(((
1328 +(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1329 +)))
1330 +)))
1066 1066  
1067 -1. Make sure the device is set to ABP mode in the IoT Server.
1068 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1069 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1070 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1071 1071  
1072 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1333 +[[image:image-20220602175818-12.png]]
1073 1073  
1074 1074  
1075 -1. FAQ
1076 -11. How to upgrade the image?
1336 +[[image:image-20220602175848-13.png]]
1077 1077  
1078 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1079 1079  
1080 -* Support new features
1081 -* For bug fix
1082 -* Change LoRaWAN bands.
1339 +[[image:image-20220602175912-14.png]]
1083 1083  
1084 -Below shows the hardware connection for how to upload an image to RS485-BL:
1085 1085  
1086 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1342 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1087 1087  
1088 -**Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1344 +[[image:image-20220602175638-10.png]]
1089 1089  
1090 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1091 1091  
1092 -**Step3: **Open flashloader; choose the correct COM port to update.
1347 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1093 1093  
1349 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1094 1094  
1095 -|(((
1096 -HOLD PRO then press the RST button, SYS will be ON, then click next
1097 -)))
1098 1098  
1099 -|(((
1100 -Board detected
1101 -)))
1352 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1102 1102  
1103 -|(((
1104 -
1105 -)))
1354 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1106 1106  
1107 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1108 1108  
1357 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1109 1109  
1359 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1110 1110  
1111 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1361 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1112 1112  
1113 1113  
1114 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1364 += 7. Trouble Shooting =
1115 1115  
1366 +== 7.1 Downlink doesn’t work, how to solve it? ==
1116 1116  
1117 -1.
1118 -11. How to change the LoRa Frequency Bands/Region?
1368 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1119 1119  
1120 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1121 1121  
1371 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1122 1122  
1373 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1123 1123  
1124 -1.
1125 -11. How many RS485-Slave can RS485-BL connects?
1126 1126  
1127 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1376 += 8. Order Info =
1128 1128  
1378 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1129 1129  
1380 +(% style="color:blue" %)**XXX:**
1130 1130  
1382 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1383 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1384 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1385 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1386 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1387 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1388 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1389 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1390 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1391 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1131 1131  
1132 -1. Trouble Shooting     
1133 -11. Downlink doesn’t work, how to solve it?
1393 += 9.Packing Info =
1134 1134  
1135 -Please see this link for debug:
1136 1136  
1137 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1396 +**Package Includes**:
1138 1138  
1398 +* RS485-LN x 1
1399 +* Stick Antenna for LoRa RF part x 1
1400 +* Program cable x 1
1139 1139  
1402 +**Dimension and weight**:
1140 1140  
1141 -1.
1142 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1404 +* Device Size: 13.5 x 7 x 3 cm
1405 +* Device Weight: 105g
1406 +* Package Size / pcs : 14.5 x 8 x 5 cm
1407 +* Weight / pcs : 170g
1143 1143  
1144 -It might about the channels mapping. Please see for detail.
1409 += 10. FCC Caution for RS485LN-US915 =
1145 1145  
1146 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1411 +(((
1412 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1413 +)))
1147 1147  
1415 +(((
1416 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1417 +)))
1148 1148  
1419 +(((
1420 +
1421 +)))
1149 1149  
1150 -1. Order Info
1423 +(((
1424 +**IMPORTANT NOTE:**
1425 +)))
1151 1151  
1152 -**Part Number: RS485-BL-XXX**
1427 +(((
1428 +**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1429 +)))
1153 1153  
1154 -**XXX:**
1431 +(((
1432 +—Reorient or relocate the receiving antenna.
1433 +)))
1155 1155  
1156 -* **EU433**: frequency bands EU433
1157 -* **EU868**: frequency bands EU868
1158 -* **KR920**: frequency bands KR920
1159 -* **CN470**: frequency bands CN470
1160 -* **AS923**: frequency bands AS923
1161 -* **AU915**: frequency bands AU915
1162 -* **US915**: frequency bands US915
1163 -* **IN865**: frequency bands IN865
1164 -* **RU864**: frequency bands RU864
1165 -* **KZ865: **frequency bands KZ865
1435 +(((
1436 +—Increase the separation between the equipment and receiver.
1437 +)))
1166 1166  
1167 -1. Packing Info
1439 +(((
1440 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1441 +)))
1168 1168  
1169 -**Package Includes**:
1443 +(((
1444 +—Consult the dealer or an experienced radio/TV technician for help.
1445 +)))
1170 1170  
1171 -* RS485-BL x 1
1172 -* Stick Antenna for LoRa RF part x 1
1173 -* Program cable x 1
1447 +(((
1448 +
1449 +)))
1174 1174  
1175 -**Dimension and weight**:
1451 +(((
1452 +**FCC Radiation Exposure Statement:**
1453 +)))
1176 1176  
1177 -* Device Size: 13.5 x 7 x 3 cm
1178 -* Device Weight: 105g
1179 -* Package Size / pcs : 14.5 x 8 x 5 cm
1180 -* Weight / pcs : 170g
1455 +(((
1456 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1457 +)))
1181 1181  
1182 -1. Support
1183 1183  
1184 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1185 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1460 += 11. Support =
1186 1186  
1187 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1462 +* (((
1463 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1464 +)))
1465 +* (((
1466 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
1467 +)))
1654157178836-407.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +179.9 KB
Content
1654157342174-798.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +31.9 KB
Content
1654158783574-851.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +40.6 KB
Content
1654159460680-153.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +24.9 KB
Content
1654160691922-496.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +109.3 KB
Content
1654162355560-817.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +670.0 KB
Content
1654162368066-342.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +192.9 KB
Content
1654162478620-421.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +158.9 KB
Content
1654162535040-878.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +670.0 KB
Content
image-20220602153621-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +23.4 KB
Content
image-20220602153621-2.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +22.2 KB
Content
image-20220602153621-3.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +22.3 KB
Content
image-20220602155039-4.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +24.6 KB
Content
image-20220602163333-5.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +48.2 KB
Content
image-20220602165351-6.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +10.6 KB
Content
image-20220602165351-7.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +19.3 KB
Content
image-20220602171200-8.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +276.1 KB
Content
image-20220602171200-9.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +10.0 KB
Content
image-20220602175638-10.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +85.5 KB
Content
image-20220602175743-11.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +85.5 KB
Content
image-20220602175818-12.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +102.5 KB
Content
image-20220602175848-13.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +250.9 KB
Content
image-20220602175912-14.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +176.1 KB
Content
image-20220606110929-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Xiaoling
Size
... ... @@ -1,0 +1,1 @@
1 +13.9 KB
Content