Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 68.2 >
edited by Xiaoling
on 2022/08/08 09:53
To version < 97.3 >
edited by Xiaoling
on 2022/11/30 14:59
>
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Summary

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Content
... ... @@ -32,61 +32,48 @@
32 32  
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -(((
36 -(((
37 -(((
38 -
39 39  
36 +(((
40 40  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.
41 41  )))
42 -)))
43 43  
44 44  (((
45 -(((
46 46  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.
47 47  )))
48 -)))
49 49  
50 50  (((
51 -(((
52 52  (% 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.
53 53  )))
54 -)))
55 55  
56 56  (((
57 -(((
58 58  (% 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.
59 59  )))
60 60  
61 61  (((
62 62  (% 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]]
63 -
64 -
65 65  )))
66 -)))
67 -)))
68 68  
56 +
69 69  (% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
70 70  
71 71  
72 -
73 73  == 1.2 Specifications ==
74 74  
75 75  
76 -**Hardware System:**
63 +(% style="color:#037691" %)**Hardware System:**
77 77  
78 -* STM32L072CZT6 MCU
65 +* STM32L072xxxx MCU
79 79  * SX1276/78 Wireless Chip 
80 80  * Power Consumption (exclude RS485 device):
81 81  ** Idle: 32mA@12v
82 82  ** 20dB Transmit: 65mA@12v
83 83  
84 -**Interface for Model:**
71 +(% style="color:#037691" %)**Interface for Model:**
85 85  
86 86  * RS485
87 87  * Power Input 7~~ 24V DC. 
88 88  
89 -**LoRa Spec:**
76 +(% style="color:#037691" %)**LoRa Spec:**
90 90  
91 91  * Frequency Range:
92 92  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -113,7 +113,7 @@
113 113  
114 114  
115 115  * LoRaWAN Class A & Class C protocol (default Class C)
116 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
103 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
117 117  * AT Commands to change parameters
118 118  * Remote configure parameters via LoRa Downlink
119 119  * Firmware upgradable via program port
... ... @@ -155,7 +155,6 @@
155 155  v1.0: Release
156 156  )))
157 157  
158 -
159 159  
160 160  )))
161 161  )))
... ... @@ -175,7 +175,6 @@
175 175  
176 176  (% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
177 177  
178 -
179 179  
180 180  )))
181 181  
... ... @@ -189,7 +189,6 @@
189 189  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.
190 190  )))
191 191  
192 -
193 193  
194 194  )))
195 195  
... ... @@ -198,6 +198,7 @@
198 198  
199 199  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. 
200 200  
185 +
201 201  (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
202 202  
203 203  
... ... @@ -208,6 +208,8 @@
208 208  
209 209  (((
210 210  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
196 +
197 +
211 211  )))
212 212  
213 213  (% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -215,6 +215,8 @@
215 215  
216 216  (((
217 217  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:
205 +
206 +
218 218  )))
219 219  
220 220  (((
... ... @@ -232,6 +232,8 @@
232 232  (((
233 233  (((
234 234  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
224 +
225 +
235 235  )))
236 236  
237 237  (((
... ... @@ -245,8 +245,11 @@
245 245  
246 246  (% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
247 247  
248 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
239 +(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
249 249  
241 +
242 +(% title="Click and drag to resize" %)​
243 +
250 250  You can also choose to create the device manually.
251 251  
252 252  (% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -258,14 +258,16 @@
258 258  (% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
259 259  
260 260  
255 +
261 261  (((
262 262  (% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
258 +
259 +
263 263  )))
264 264  
265 265  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
266 266  
267 267  
268 -
269 269  == 3.3 Configure Commands to read data ==
270 270  
271 271  
... ... @@ -273,6 +273,8 @@
273 273  (((
274 274  (((
275 275  There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
272 +
273 +
276 276  )))
277 277  )))
278 278  
... ... @@ -281,7 +281,6 @@
281 281  (% 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**
282 282  )))
283 283  
284 -
285 285  
286 286  )))
287 287  )))
... ... @@ -291,10 +291,11 @@
291 291  
292 292  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:
293 293  
294 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
291 +
292 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
295 295  |=(% style="width: 110px;" %)(((
296 296  **AT Commands**
297 -)))|=(% style="width: 190px;" %)(((
295 +)))|=(% style="width: 210px;" %)(((
298 298  **Description**
299 299  )))|=(% style="width: 190px;" %)(((
300 300  **Example**
... ... @@ -351,7 +351,6 @@
351 351  
352 352  
353 353  
354 -
355 355  === 3.3.2 Configure sensors ===
356 356  
357 357  
... ... @@ -363,8 +363,8 @@
363 363  )))
364 364  )))
365 365  
366 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
367 -|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
363 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
364 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
368 368  |AT+CFGDEV|(% style="width:110px" %)(((
369 369  (((
370 370  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
... ... @@ -381,7 +381,6 @@
381 381  
382 382  
383 383  
384 -
385 385  === 3.3.3 Configure read commands for each sampling ===
386 386  
387 387  
... ... @@ -397,6 +397,7 @@
397 397  
398 398  (% style="color:#037691" %)**Each RS485 commands include two parts:**
399 399  
396 +
400 400  ~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.
401 401  
402 402  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.
... ... @@ -413,7 +413,7 @@
413 413  
414 414  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
415 415  |(% style="width:496px" %)(((
416 -(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
413 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
417 417  
418 418  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
419 419  
... ... @@ -425,7 +425,7 @@
425 425  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
426 426  
427 427  
428 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
425 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
429 429  
430 430  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
431 431  |(% style="width:510px" %)(((
... ... @@ -438,21 +438,23 @@
438 438  
439 439  **Examples:**
440 440  
438 +
441 441  * (% style="color:#037691" %)**Grab bytes**
442 442  
443 443  (% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
444 444  
445 445  
444 +
446 446  * (% style="color:#037691" %)**Grab a section**
447 447  
448 448  (% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
449 449  
450 450  
450 +
451 451  * (% style="color:#037691" %)**Grab different sections**
452 452  
453 453  (% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
454 454  
455 -
456 456  
457 457  )))
458 458  
... ... @@ -476,18 +476,16 @@
476 476  )))
477 477  
478 478  (((
479 -Final Payload is
478 +Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
480 480  )))
481 481  
482 482  (((
483 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
484 -)))
485 -
486 -(((
487 487  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
483 +
484 +
488 488  )))
489 489  
490 -(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
487 +[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
491 491  
492 492  
493 493  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -495,16 +495,18 @@
495 495  
496 496  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
497 497  
498 -Final Payload is
495 +Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
499 499  
500 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
501 501  
498 +~1. PAYVER: Defined by AT+PAYVER
502 502  
503 -1. PAYVER: Defined by AT+PAYVER
504 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
505 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
506 -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
500 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
507 507  
502 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
503 +
504 +4. 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
505 +
506 +
508 508  (% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
509 509  
510 510  
... ... @@ -519,6 +519,7 @@
519 519  
520 520  (% 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:**
521 521  
521 +
522 522   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
523 523  
524 524   * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
... ... @@ -528,45 +528,69 @@
528 528   ~* For all other bands: max 51 bytes for each uplink.
529 529  
530 530  
531 +(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
532 +
533 +(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
534 +
535 +
536 +
531 531  Below are the uplink payloads:
532 532  
539 +
533 533  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
534 534  
535 535  
536 -
537 537  === 3.3.5 Uplink on demand ===
538 538  
539 539  
540 540  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.
541 541  
542 -Downlink control command:
548 +(% style="color:blue" %)**Downlink control command:**
543 543  
544 -**0x08 command**: Poll an uplink with current command set in RS485-LN.
550 +(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
545 545  
546 -**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
552 +(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
547 547  
548 548  
549 -
550 550  === 3.3.6 Uplink on Interrupt ===
551 551  
552 552  
553 553  RS485-LN support external Interrupt uplink since hardware v1.2 release.
554 554  
560 +
555 555  (% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
556 556  
557 557  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.
558 558  
559 559  
560 -
561 561  == 3.4 Uplink Payload ==
562 562  
563 563  
564 -(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
569 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
570 +|=(% scope="row" style="width: 60px;" %)(((
571 +Size(bytes)
572 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
573 +Length depends on the return from the commands
574 +)))
575 +|=(% style="width: 90px;" %)(((
576 +Value
577 +)))|(% style="width:114px" %)(((
578 +PAYLOAD_VER
579 +)))|(% style="width:353px" %)(((
580 +If the valid payload is too long and exceed the maximum
565 565  
566 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
582 +support payload length in server, server will show payload not
567 567  
584 +provided in the LoRaWAN server.
585 +)))
568 568  
587 +(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
569 569  
589 +(% title="Click and drag to resize" %)​
590 +
591 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
592 +
593 +
570 570  == 3.5 Configure RS485-LN via AT or Downlink ==
571 571  
572 572  
... ... @@ -598,34 +598,35 @@
598 598  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]]
599 599  
600 600  
625 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
601 601  
602 -=== 3.5.2 Sensor related commands ===
603 603  
604 -
605 605  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.
606 606  
607 -(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]](% title="Click and drag to resize" %)​
608 608  
609 -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)
631 +(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
610 610  
633 +(% title="Click and drag to resize" %)​
611 611  
635 +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)
612 612  
637 +
613 613  === 3.5.3 Sensor related commands ===
614 614  
615 615  
616 616  
617 -
618 618  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
619 619  
644 +
620 620  (((
621 -This command is used to configure the RS485 devices; they won’t be used during sampling.
646 +This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
622 622  )))
623 623  
624 -* (((
625 -(% style="color:#037691" %)**AT Command**
649 +(((
650 +* (% style="color:#037691" %)**AT Command**
626 626  
627 627  (((
628 -**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
653 +(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
629 629  )))
630 630  )))
631 631  
... ... @@ -638,7 +638,7 @@
638 638  )))
639 639  
640 640  (((
641 -Format: A8 MM NN XX XX XX XX YY
666 +Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
642 642  )))
643 643  
644 644  (((
... ... @@ -673,7 +673,7 @@
673 673  (((
674 674  
675 675  
676 -**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
701 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
677 677  )))
678 678  
679 679  (((
... ... @@ -711,7 +711,7 @@
711 711  )))
712 712  
713 713  (((
714 -**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
739 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
715 715  )))
716 716  
717 717  (((
... ... @@ -739,34 +739,50 @@
739 739  
740 740  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
741 741  
767 +
742 742  (((
743 743  This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
744 744  )))
745 745  
746 -* (((
747 -(% style="color:#037691" %)**AT Command:**
772 +(((
773 +* (% style="color:#037691" %)**AT Command:**
748 748  
749 -**AT+PAYVER:    **Set PAYVER field = 1
775 +(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
750 750  
751 751  
752 752  )))
779 +
753 753  * (((
754 754  (% style="color:#037691" %)**Downlink Payload:**
755 755  )))
756 756  
757 757  (((
758 -**0xAE 01**  ~-~->  Set PAYVER field =  0x01
785 +(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
759 759  )))
760 760  
761 761  (((
762 -**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
789 +(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
763 763  )))
764 764  
765 765  
793 +**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
766 766  
767 767  
796 +[[image:image-20220824145428-2.png||height="168" width="1300"]]
797 +
798 +
799 +
800 +**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
801 +
802 +
803 +[[image:image-20220824145428-3.png||height="308" width="1200"]]
804 +
805 +
806 +
807 +
768 768  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
769 769  
810 +
770 770  (((
771 771  AT+COMMANDx or AT+DATACUTx
772 772  )))
... ... @@ -783,9 +783,9 @@
783 783  (% style="color:#037691" %)**AT Command:**
784 784  )))
785 785  
786 -**AT+COMMANDx:    **Configure RS485 read command to sensor.
827 +(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
787 787  
788 -**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
829 +(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
789 789  
790 790  
791 791  * (((
... ... @@ -793,15 +793,19 @@
793 793  )))
794 794  
795 795  (((
796 -**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
837 +(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
838 +
839 +
797 797  )))
798 798  
799 799  (((
800 -(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
843 +(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
844 +
845 +
801 801  )))
802 802  
803 803  (((
804 -Format: AF MM NN LL XX XX XX XX YY
849 +Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
805 805  )))
806 806  
807 807  (((
... ... @@ -847,8 +847,9 @@
847 847  
848 848  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
849 849  
895 +
850 850  (((
851 -**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]].
897 +(% style="color:#4472c4" %)** 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]].
852 852  )))
853 853  
854 854  (((
... ... @@ -879,8 +879,10 @@
879 879  
880 880  )))
881 881  
882 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
928 +(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
883 883  
930 +(% title="Click and drag to resize" %)​
931 +
884 884  (% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
885 885  
886 886  
... ... @@ -888,6 +888,7 @@
888 888  
889 889  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
890 890  
939 +
891 891  (((
892 892  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.
893 893  )))
... ... @@ -896,10 +896,10 @@
896 896  Default value: 0, range:  0 ~~ 65 seconds
897 897  )))
898 898  
899 -* (((
900 -(% style="color:#037691" %)** AT Command:**
948 +(((
949 +* (% style="color:#037691" %)** AT Command:**
901 901  
902 -**AT+CMDDLaa=hex(bb cc)*1000**
951 +(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
903 903  )))
904 904  
905 905  (((
... ... @@ -909,7 +909,7 @@
909 909  )))
910 910  
911 911  (((
912 -**AT+CMDDL1=1000** to send the open time to 1000ms
961 +(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
913 913  )))
914 914  
915 915  (((
... ... @@ -921,14 +921,12 @@
921 921  )))
922 922  
923 923  (((
924 -**0x AA aa bb cc**
973 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
925 925  )))
926 926  
927 927  (((
928 -Same as: AT+CMDDLaa=hex(bb cc)*1000
929 -)))
977 +
930 930  
931 -(((
932 932  **Example:**
933 933  )))
934 934  
... ... @@ -941,6 +941,7 @@
941 941  
942 942  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
943 943  
991 +
944 944  (((
945 945  Define to use one uplink or multiple uplinks for the sampling.
946 946  )))
... ... @@ -951,13 +951,19 @@
951 951  
952 952  )))
953 953  
954 -* (((
955 -(% style="color:#037691" %)** AT Command:**
1002 +(((
1003 +* (% style="color:#037691" %)** AT Command:**
1004 +
1005 +(% style="color:#4472c4" %)** AT+DATAUP=0**
1006 +
1007 +(% style="color:#4472c4" %)** AT+DATAUP=1**
1008 +
1009 +
956 956  )))
957 957  
958 -**AT+DATAUP=0**
1012 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
959 959  
960 -**AT+DATAUP=1**
1014 +Each uplink is sent to the server at 20-second intervals when segmented.
961 961  
962 962  
963 963  * (((
... ... @@ -964,19 +964,32 @@
964 964  (% style="color:#037691" %)** Downlink Payload:**
965 965  )))
966 966  
967 -(((
968 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
1021 +(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
1022 +
1023 +(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1024 +
1025 +
1026 +* (((
1027 +(% style="color:#037691" %)** AT Command:**
969 969  )))
970 970  
971 -(((
972 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
1030 +(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1031 +
1032 +
1033 +* (((
1034 +(% style="color:#037691" %)** Downlink Payload:**
973 973  )))
974 974  
1037 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
975 975  
1039 +Each uplink is sent to the server at 20-second intervals when segmented.
976 976  
977 977  
1042 +
1043 +
978 978  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
979 979  
1046 +
980 980  (((
981 981  Ask device to send an uplink immediately.
982 982  )))
... ... @@ -998,7 +998,7 @@
998 998  )))
999 999  
1000 1000  (((
1001 -**0x08 FF**, RS485-LN will immediately send an uplink.
1068 +(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1002 1002  )))
1003 1003  
1004 1004  
... ... @@ -1006,6 +1006,7 @@
1006 1006  
1007 1007  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1008 1008  
1076 +
1009 1009  (((
1010 1010  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1011 1011  
... ... @@ -1017,10 +1017,12 @@
1017 1017  )))
1018 1018  
1019 1019  (((
1020 -**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1088 +(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1021 1021  )))
1022 1022  
1023 1023  (((
1092 +
1093 +
1024 1024  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1025 1025  )))
1026 1026  
... ... @@ -1044,7 +1044,7 @@
1044 1044  )))
1045 1045  
1046 1046  (((
1047 -**0x09 aa bb** same as AT+CMDEAR=aa,bb
1117 +(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1048 1048  )))
1049 1049  
1050 1050  
... ... @@ -1052,21 +1052,20 @@
1052 1052  
1053 1053  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1054 1054  
1125 +
1055 1055  (((
1056 1056  Set the Rs485 serial communication parameters:
1057 1057  )))
1058 1058  
1059 -* (((
1060 -(% style="color:#037691" %)** AT Command:**
1130 +(((
1131 +(% style="color:#037691" %)**AT Command:**
1061 1061  )))
1062 1062  
1063 1063  (((
1064 -
1065 -
1066 1066  * Set Baud Rate
1067 1067  )))
1068 1068  
1069 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1138 +(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1070 1070  
1071 1071  
1072 1072  (((
... ... @@ -1073,7 +1073,7 @@
1073 1073  * Set UART Parity
1074 1074  )))
1075 1075  
1076 -**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1145 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1077 1077  
1078 1078  
1079 1079  (((
... ... @@ -1080,16 +1080,15 @@
1080 1080  * Set STOPBIT
1081 1081  )))
1082 1082  
1083 -**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1152 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1084 1084  
1085 1085  
1086 -
1087 -* (((
1088 -(% style="color:#037691" %)** Downlink Payload:**
1155 +(((
1156 +(% style="color:#037691" %)**Downlink Payload:**
1089 1089  )))
1090 1090  
1091 1091  (((
1092 -**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1160 +(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1093 1093  )))
1094 1094  
1095 1095  (((
... ... @@ -1097,7 +1097,7 @@
1097 1097  )))
1098 1098  
1099 1099  * (((
1100 -A7 01 00 60   same as AT+BAUDR=9600
1168 +A7 01 00 60  same as AT+BAUDR=9600
1101 1101  )))
1102 1102  * (((
1103 1103  A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1104,16 +1104,169 @@
1104 1104  )))
1105 1105  
1106 1106  (((
1107 -A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1175 +* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1108 1108  )))
1109 1109  
1110 1110  (((
1111 -A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1179 +* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1112 1112  )))
1113 1113  
1114 1114  
1115 1115  
1116 1116  
1185 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1186 +
1187 +
1188 +* (((
1189 +(% style="color:#037691" %)** AT Command:**
1190 +)))
1191 +
1192 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1193 +
1194 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1195 +
1196 +* (((
1197 +(% style="color:#037691" %)**Downlink Payload:**
1198 +)))
1199 +
1200 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1201 +
1202 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1203 +
1204 +
1205 +
1206 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1207 +
1208 +(((
1209 +
1210 +)))
1211 +
1212 +* (((
1213 +(% style="color:#037691" %)** AT Command:**
1214 +)))
1215 +
1216 +(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1217 +
1218 +(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
1219 +
1220 +
1221 +
1222 +
1223 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1224 +
1225 +
1226 +* (((
1227 +(% style="color:#037691" %)** AT Command:**
1228 +)))
1229 +
1230 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
1231 +
1232 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
1233 +
1234 +
1235 +
1236 +
1237 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1238 +
1239 +
1240 +* (((
1241 +(% style="color:#037691" %)** AT Command:**
1242 +)))
1243 +
1244 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1245 +
1246 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1247 +
1248 +
1249 +
1250 +
1251 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1252 +
1253 +
1254 +* (((
1255 +(% style="color:#037691" %)** AT Command:**
1256 +)))
1257 +
1258 + (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1259 +
1260 + (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1261 +
1262 +
1263 +* (((
1264 +(% style="color:#037691" %)** Downlink Payload:**
1265 +)))
1266 +
1267 +(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1268 +
1269 +
1270 +
1271 +
1272 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1273 +
1274 +
1275 +* (((
1276 +(% style="color:#037691" %)** AT Command:**
1277 +)))
1278 +
1279 +(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1280 +
1281 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1282 +
1283 +
1284 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1285 +
1286 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1287 +
1288 +
1289 +
1290 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1291 +
1292 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1293 +
1294 +
1295 +
1296 +
1297 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1298 +
1299 +
1300 +(((
1301 +* (% style="color:#037691" %)**Downlink Payload:**
1302 +
1303 +(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1304 +)))
1305 +
1306 +
1307 +Example：
1308 +
1309 +
1310 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1311 +
1312 +
1313 +
1314 +
1315 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1316 +
1317 +
1318 +* (((
1319 +(% style="color:#037691" %)** AT Command:**
1320 +)))
1321 +
1322 +(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
1323 +
1324 +(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1325 +
1326 +(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
1327 +
1328 +
1329 +* (((
1330 +(% style="color:#037691" %)**Downlink Payload:**
1331 +)))
1332 +
1333 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1334 +
1335 +[[image:image-20220824144240-1.png]]
1336 +
1337 +
1117 1117  == 3.6 Listening mode for RS485 network ==
1118 1118  
1119 1119  
... ... @@ -1127,10 +1127,12 @@
1127 1127  
1128 1128  )))
1129 1129  
1130 -(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1351 +(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1131 1131  
1353 +(% title="Click and drag to resize" %)​
1354 +
1132 1132  (((
1133 -To enable the listening mode, use can run the command AT+RXMODE.
1356 +To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1134 1134  )))
1135 1135  
1136 1136  (((
... ... @@ -1165,11 +1165,13 @@
1165 1165  )))
1166 1166  
1167 1167  (((
1168 -(% style="color:#037691" %)** Downlink Command:**
1391 +
1392 +
1393 +(% style="color:#037691" %)**Downlink Command:**
1169 1169  )))
1170 1170  
1171 1171  (((
1172 -**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1397 +(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1173 1173  )))
1174 1174  
1175 1175  (((
... ... @@ -1189,15 +1189,17 @@
1189 1189  )))
1190 1190  
1191 1191  (((
1192 -The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1417 +The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1193 1193  )))
1194 1194  
1195 1195  (((
1196 -And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1421 +And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1197 1197  )))
1198 1198  
1199 1199  (((
1200 -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
1425 +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**
1426 +
1427 +
1201 1201  )))
1202 1202  
1203 1203  (((
... ... @@ -1215,12 +1215,11 @@
1215 1215  )))
1216 1216  
1217 1217  
1218 -
1219 1219  == 3.7 Buttons ==
1220 1220  
1221 1221  
1222 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1223 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1448 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1449 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1224 1224  |(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1225 1225  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1226 1226  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
... ... @@ -1227,11 +1227,10 @@
1227 1227  
1228 1228  
1229 1229  
1230 -
1231 1231  == 3.8 LEDs ==
1232 1232  
1233 1233  
1234 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1459 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1235 1235  |=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1236 1236  |**PWR**|Always on if there is power
1237 1237  |**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.
... ... @@ -1238,7 +1238,6 @@
1238 1238  
1239 1239  
1240 1240  
1241 -
1242 1242  = 4. Case Study =
1243 1243  
1244 1244  
... ... @@ -1245,7 +1245,6 @@
1245 1245  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]]
1246 1246  
1247 1247  
1248 -
1249 1249  = 5. Use AT Command =
1250 1250  
1251 1251  == 5.1 Access AT Command ==
... ... @@ -1253,13 +1253,18 @@
1253 1253  
1254 1254  (((
1255 1255  RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1479 +
1480 +
1256 1256  )))
1257 1257  
1258 1258  (% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1259 1259  
1260 1260  
1486 +
1261 1261  (((
1262 1262  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-LN. The default password is 123456. Below is the output for reference:
1489 +
1490 +
1263 1263  )))
1264 1264  
1265 1265  (% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -1270,10 +1270,8 @@
1270 1270  )))
1271 1271  
1272 1272  
1273 -
1274 1274  == 5.2 Common AT Command Sequence ==
1275 1275  
1276 -
1277 1277  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1278 1278  
1279 1279  
... ... @@ -1327,12 +1327,13 @@
1327 1327  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1328 1328  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.
1329 1329  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
1556 +
1557 +
1330 1330  )))
1331 1331  
1332 1332  (% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1333 1333  
1334 1334  
1335 -
1336 1336  = 6. FAQ =
1337 1337  
1338 1338  == 6.1 How to upgrade the image? ==
... ... @@ -1362,14 +1362,20 @@
1362 1362  
1363 1363  (((
1364 1364  (% style="color:blue" %)**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]].
1592 +
1593 +
1365 1365  )))
1366 1366  
1367 1367  (((
1368 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1597 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1598 +
1599 +
1369 1369  )))
1370 1370  
1371 1371  (((
1372 1372  (% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1604 +
1605 +
1373 1373  )))
1374 1374  
1375 1375  (((
... ... @@ -1395,7 +1395,6 @@
1395 1395  (% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1396 1396  
1397 1397  
1398 -
1399 1399  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1400 1400  
1401 1401  
... ... @@ -1402,7 +1402,6 @@
1402 1402  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1403 1403  
1404 1404  
1405 -
1406 1406  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1407 1407  
1408 1408  
... ... @@ -1409,7 +1409,6 @@
1409 1409  The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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"]].
1410 1410  
1411 1411  
1412 -
1413 1413  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1414 1414  
1415 1415  
... ... @@ -1418,14 +1418,12 @@
1418 1418  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1419 1419  
1420 1420  
1421 -
1422 1422  == 6.5 Can i use point to point communication for RS485-LN? ==
1423 1423  
1424 1424  
1425 -Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1654 +Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1426 1426  
1427 1427  
1428 -
1429 1429  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1430 1430  
1431 1431  
... ... @@ -1432,10 +1432,117 @@
1432 1432  [[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1433 1433  
1434 1434  
1663 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1435 1435  
1436 -= 7. Trouble Shooting =
1665 +=== 6.7.1 Introduce: ===
1437 1437  
1438 1438  
1668 +Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1669 +
1670 +1. Test if Modbus-MTU works with PC commands.
1671 +1. Check if RS485-LN sent the expected command to Mobus-MTU
1672 +1. Check if Modbus-MTU return back the expected result to RS485-LN.
1673 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1674 +
1675 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1676 +
1677 +
1678 +Example Connection:
1679 +
1680 +[[image:image-20221130104310-2.png]]
1681 +
1682 +
1683 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1684 +
1685 +
1686 +(% style="color:red" %)**Note: Receive and send set to hex mode**
1687 +
1688 +[[image:image-20221130104310-3.png||height="616" width="714"]]
1689 +
1690 +
1691 +=== 6.7.3 With ModRSsim2: ===
1692 +
1693 +
1694 +(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1695 +
1696 +[[image:image-20221130104310-4.png||height="390" width="865"]]
1697 +
1698 +
1699 +(% style="color:blue" %)**(2) Click the serial port icon**
1700 +
1701 +[[image:image-20221130104310-5.png||height="392" width="870"]]
1702 +
1703 +
1704 +(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1705 +
1706 +[[image:image-20221130104310-6.png]]
1707 +
1708 +
1709 +(% style="color:blue" %)**(4) Click the comms.**
1710 +
1711 +[[image:image-20221130104310-7.png||height="376" width="835"]]
1712 +
1713 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1714 +**Run RS485-LN/BL command and monitor if it is correct.**
1715 +
1716 +
1717 +=== 6.7.4 Example – Test the CFGDEV command ===
1718 +
1719 +
1720 +RS485-LN sent below command:
1721 +
1722 +(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1723 +
1724 +
1725 +We can see the output from the Serial port tool to analyze. And check if they are expected result.
1726 +
1727 +[[image:image-20221130104310-8.png||height="214" width="797"]]
1728 +
1729 +
1730 +We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1731 +
1732 +[[image:image-20221130104310-9.png||height="531" width="729"]]
1733 +
1734 +
1735 +=== 6.7.5 Example – Test CMD command sets. ===
1736 +
1737 +
1738 +Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1739 +
1740 +
1741 +(% style="color:blue" %)**Serial port tool:**
1742 +
1743 +[[image:image-20221130104310-10.png||height="339" width="844"]]
1744 +
1745 +
1746 +(% style="color:blue" %)**ModRSsim2:**
1747 +
1748 +[[image:image-20221130104310-11.png||height="281" width="962"]]
1749 +
1750 +
1751 +=== 6.7.6 Test with PC ===
1752 +
1753 +
1754 +If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1755 +
1756 +
1757 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1758 +
1759 +(% style="color:blue" %)**Connection method：**
1760 +
1761 +[[image:image-20221130104310-12.png]]
1762 +
1763 +
1764 +(% style="color:blue" %)**Link situation:**
1765 +
1766 +[[image:image-20221130104310-13.png||height="458" width="486"]]
1767 +
1768 +
1769 +[[image:image-20221130104310-14.png||height="371" width="823"]]
1770 +
1771 +
1772 += 7. Trouble Shooting =
1773 +
1439 1439  == 7.1 Downlink doesn't work, how to solve it? ==
1440 1440  
1441 1441  
... ... @@ -1442,7 +1442,6 @@
1442 1442  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1443 1443  
1444 1444  
1445 -
1446 1446  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1447 1447  
1448 1448  
... ... @@ -1449,7 +1449,6 @@
1449 1449  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1450 1450  
1451 1451  
1452 -
1453 1453  = 8. Order Info =
1454 1454  
1455 1455  
... ... @@ -1508,7 +1508,7 @@
1508 1508  )))
1509 1509  
1510 1510  (((
1511 -**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:
1844 +(% style="color:red" %)**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:
1512 1512  )))
1513 1513  
1514 1514  (((
... ... @@ -1540,7 +1540,6 @@
1540 1540  )))
1541 1541  
1542 1542  
1543 -
1544 1544  = 11. Support =
1545 1545  
1546 1546  
... ... @@ -1549,4 +1549,7 @@
1549 1549  )))
1550 1550  * (((
1551 1551  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]].
1884 +
1885 +
1886 +
1552 1552  )))
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