<
From version < 67.1 >
edited by Bei Jinggeng
on 2022/07/08 16:50
To version < 71.1 >
edited by Bei Jinggeng
on 2022/08/24 14:54
>
Change comment: Uploaded new attachment "image-20220824145428-3.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -12,11 +12,6 @@
12 12  
13 13  
14 14  
15 -
16 -
17 -
18 -
19 -
20 20  **Table of Contents:**
21 21  
22 22  {{toc/}}
... ... @@ -74,10 +74,11 @@
74 74  (% 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" %)​
75 75  
76 76  
72 +
77 77  == 1.2 Specifications ==
78 78  
79 79  
80 -**Hardware System:**
76 +(% style="color:#037691" %)**Hardware System:**
81 81  
82 82  * STM32L072CZT6 MCU
83 83  * SX1276/78 Wireless Chip 
... ... @@ -85,13 +85,15 @@
85 85  ** Idle: 32mA@12v
86 86  ** 20dB Transmit: 65mA@12v
87 87  
88 -**Interface for Model:**
89 89  
85 +(% style="color:#037691" %)**Interface for Model:**
86 +
90 90  * RS485
91 91  * Power Input 7~~ 24V DC. 
92 92  
93 -**LoRa Spec:**
94 94  
91 +(% style="color:#037691" %)**LoRa Spec:**
92 +
95 95  * Frequency Range:
96 96  ** Band 1 (HF): 862 ~~ 1020 Mhz
97 97  ** Band 2 (LF): 410 ~~ 528 Mhz
... ... @@ -112,8 +112,10 @@
112 112  * Packet engine up to 256 bytes with CRC
113 113  
114 114  
113 +
115 115  == 1.3 Features ==
116 116  
116 +
117 117  * LoRaWAN Class A & Class C protocol (default Class C)
118 118  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
119 119  * AT Commands to change parameters
... ... @@ -124,8 +124,10 @@
124 124  * Support Interrupt uplink (Since hardware version v1.2)
125 125  
126 126  
127 +
127 127  == 1.4 Applications ==
128 128  
130 +
129 129  * Smart Buildings & Home Automation
130 130  * Logistics and Supply Chain Management
131 131  * Smart Metering
... ... @@ -134,13 +134,17 @@
134 134  * Smart Factory
135 135  
136 136  
139 +
137 137  == 1.5 Firmware Change log ==
138 138  
142 +
139 139  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
140 140  
141 141  
146 +
142 142  == 1.6 Hardware Change log ==
143 143  
149 +
144 144  (((
145 145  (((
146 146  (((
... ... @@ -151,6 +151,7 @@
151 151  v1.0: Release
152 152  )))
153 153  
160 +
154 154  
155 155  )))
156 156  )))
... ... @@ -157,6 +157,7 @@
157 157  
158 158  = 2. Power ON Device =
159 159  
167 +
160 160  (((
161 161  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
162 162  
... ... @@ -169,6 +169,7 @@
169 169  
170 170  (% 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" %)​
171 171  
180 +
172 172  
173 173  )))
174 174  
... ... @@ -176,16 +176,19 @@
176 176  
177 177  == 3.1 How it works? ==
178 178  
188 +
179 179  (((
180 180  (((
181 181  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.
182 182  )))
183 183  
194 +
184 184  
185 185  )))
186 186  
187 187  == 3.2 Example to join LoRaWAN network ==
188 188  
200 +
189 189  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. 
190 190  
191 191  (% 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" %)​
... ... @@ -205,6 +205,8 @@
205 205  
206 206  (((
207 207  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:
220 +
221 +
208 208  )))
209 209  
210 210  (((
... ... @@ -255,8 +255,10 @@
255 255  (% 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" %)​
256 256  
257 257  
272 +
258 258  == 3.3 Configure Commands to read data ==
259 259  
275 +
260 260  (((
261 261  (((
262 262  (((
... ... @@ -266,15 +266,17 @@
266 266  
267 267  (((
268 268  (((
269 -(% 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
285 +(% 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**
270 270  )))
271 271  
288 +
272 272  
273 273  )))
274 274  )))
275 275  
276 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
277 277  
295 +
278 278  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:
279 279  
280 280  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
... ... @@ -336,11 +336,15 @@
336 336  )))
337 337  
338 338  
357 +
339 339  === 3.3.2 Configure sensors ===
340 340  
360 +
341 341  (((
342 342  (((
343 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
363 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won't run during each sampling.
364 +
365 +
344 344  )))
345 345  )))
346 346  
... ... @@ -361,8 +361,10 @@
361 361  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
362 362  
363 363  
386 +
364 364  === 3.3.3 Configure read commands for each sampling ===
365 365  
389 +
366 366  (((
367 367  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.
368 368  
... ... @@ -421,11 +421,13 @@
421 421  (% 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" %)​
422 422  
423 423  
448 +
424 424  * (% style="color:#037691" %)**Grab a section**
425 425  
426 426  (% 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" %)​
427 427  
428 428  
454 +
429 429  * (% style="color:#037691" %)**Grab different sections**
430 430  
431 431  (% 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" %)​
... ... @@ -436,6 +436,7 @@
436 436  
437 437  === 3.3.4 Compose the uplink payload ===
438 438  
465 +
439 439  (((
440 440  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.**
441 441  
... ... @@ -494,7 +494,7 @@
494 494  DATA3=the rest of Valid value of RETURN10= **30**
495 495  
496 496  
497 -(% 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:
524 +(% 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:**
498 498  
499 499   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
500 500  
... ... @@ -513,6 +513,7 @@
513 513  
514 514  === 3.3.5 Uplink on demand ===
515 515  
543 +
516 516  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.
517 517  
518 518  Downlink control command:
... ... @@ -525,6 +525,7 @@
525 525  
526 526  === 3.3.6 Uplink on Interrupt ===
527 527  
556 +
528 528  RS485-LN support external Interrupt uplink since hardware v1.2 release.
529 529  
530 530  (% 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" %)​
... ... @@ -532,6 +532,7 @@
532 532  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.
533 533  
534 534  
564 +
535 535  == 3.4 Uplink Payload ==
536 536  
537 537  
... ... @@ -540,8 +540,10 @@
540 540  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
541 541  
542 542  
573 +
543 543  == 3.5 Configure RS485-LN via AT or Downlink ==
544 544  
576 +
545 545  (((
546 546  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
547 547  )))
... ... @@ -563,13 +563,17 @@
563 563  )))
564 564  
565 565  
598 +
566 566  === 3.5.1 Common Commands ===
567 567  
601 +
568 568  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]]
569 569  
570 570  
571 -=== 3.5.2 Sensor related commands ===
572 572  
606 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
607 +
608 +
573 573  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.
574 574  
575 575  (% 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" %)​
... ... @@ -585,8 +585,9 @@
585 585  
586 586  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
587 587  
624 +
588 588  (((
589 -This command is used to configure the RS485 devices; they wont be used during sampling.
626 +This command is used to configure the RS485 devices; they won't be used during sampling.
590 590  )))
591 591  
592 592  * (((
... ... @@ -641,7 +641,7 @@
641 641  (((
642 642  
643 643  
644 -**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
681 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
645 645  )))
646 646  
647 647  (((
... ... @@ -679,7 +679,7 @@
679 679  )))
680 680  
681 681  (((
682 -**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
719 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
683 683  )))
684 684  
685 685  (((
... ... @@ -707,6 +707,7 @@
707 707  
708 708  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
709 709  
747 +
710 710  (((
711 711  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.
712 712  )))
... ... @@ -735,6 +735,7 @@
735 735  
736 736  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
737 737  
776 +
738 738  (((
739 739  AT+COMMANDx or AT+DATACUTx
740 740  )))
... ... @@ -762,10 +762,14 @@
762 762  
763 763  (((
764 764  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
804 +
805 +
765 765  )))
766 766  
767 767  (((
768 768  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
810 +
811 +
769 769  )))
770 770  
771 771  (((
... ... @@ -815,6 +815,7 @@
815 815  
816 816  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
817 817  
861 +
818 818  (((
819 819  **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]].
820 820  )))
... ... @@ -856,6 +856,7 @@
856 856  
857 857  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
858 858  
903 +
859 859  (((
860 860  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.
861 861  )))
... ... @@ -909,6 +909,7 @@
909 909  
910 910  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
911 911  
957 +
912 912  (((
913 913  Define to use one uplink or multiple uplinks for the sampling.
914 914  )))
... ... @@ -945,6 +945,7 @@
945 945  
946 946  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
947 947  
994 +
948 948  (((
949 949  Ask device to send an uplink immediately.
950 950  )))
... ... @@ -974,6 +974,7 @@
974 974  
975 975  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
976 976  
1024 +
977 977  (((
978 978  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
979 979  
... ... @@ -1020,6 +1020,7 @@
1020 1020  
1021 1021  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1022 1022  
1071 +
1023 1023  (((
1024 1024  Set the Rs485 serial communication parameters:
1025 1025  )))
... ... @@ -1084,6 +1084,7 @@
1084 1084  
1085 1085  == 3.6 Listening mode for RS485 network ==
1086 1086  
1136 +
1087 1087  (((
1088 1088  This feature support since firmware v1.4
1089 1089  )))
... ... @@ -1090,6 +1090,8 @@
1090 1090  
1091 1091  (((
1092 1092  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.
1143 +
1144 +
1093 1093  )))
1094 1094  
1095 1095  (% 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" %)​
... ... @@ -1175,11 +1175,12 @@
1175 1175  
1176 1176  (((
1177 1177  (((
1178 -(% 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.
1230 +(% 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.**
1179 1179  )))
1180 1180  )))
1181 1181  
1182 1182  
1235 +
1183 1183  == 3.7 Buttons ==
1184 1184  
1185 1185  
... ... @@ -1190,6 +1190,8 @@
1190 1190  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1191 1191  
1192 1192  
1246 +
1247 +
1193 1193  == 3.8 LEDs ==
1194 1194  
1195 1195  
... ... @@ -1199,15 +1199,21 @@
1199 1199  |**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.
1200 1200  
1201 1201  
1257 +
1258 +
1202 1202  = 4. Case Study =
1203 1203  
1261 +
1204 1204  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]]
1205 1205  
1206 1206  
1265 +
1207 1207  = 5. Use AT Command =
1208 1208  
1268 +
1209 1209  == 5.1 Access AT Command ==
1210 1210  
1271 +
1211 1211  (((
1212 1212  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.
1213 1213  )))
... ... @@ -1233,6 +1233,7 @@
1233 1233  
1234 1234  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1235 1235  
1297 +
1236 1236  If device has not joined network yet:
1237 1237  
1238 1238  * (% style="color:#037691" %)**AT+FDR**
... ... @@ -1251,6 +1251,7 @@
1251 1251  )))
1252 1252  
1253 1253  
1316 +
1254 1254  === 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1255 1255  
1256 1256  
... ... @@ -1282,15 +1282,20 @@
1282 1282  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1283 1283  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.
1284 1284  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
1348 +
1349 +
1285 1285  )))
1286 1286  
1287 1287  (% 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" %)​
1288 1288  
1289 1289  
1355 +
1290 1290  = 6. FAQ =
1291 1291  
1358 +
1292 1292  == 6.1 How to upgrade the image? ==
1293 1293  
1361 +
1294 1294  (((
1295 1295  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1296 1296  )))
... ... @@ -1309,14 +1309,16 @@
1309 1309  Below shows the hardware connection for how to upload an image to RS485-LN:
1310 1310  )))
1311 1311  
1312 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.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" %)​
1380 +(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.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"]]
1313 1313  
1382 +(% title="Click and drag to resize" %)​
1383 +
1314 1314  (((
1315 1315  (% 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]].
1316 1316  )))
1317 1317  
1318 1318  (((
1319 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1389 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1320 1320  )))
1321 1321  
1322 1322  (((
... ... @@ -1341,52 +1341,69 @@
1341 1341  (% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.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" %)​
1342 1342  
1343 1343  
1344 -(% style="color:red" %)**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1414 +(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1345 1345  
1346 1346  (% 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" %)​
1347 1347  
1348 1348  
1419 +
1349 1349  == 6.2 How to change the LoRa Frequency Bands/Region? ==
1350 1350  
1422 +
1351 1351  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1352 1352  
1353 1353  
1426 +
1354 1354  == 6.3 How many RS485-Slave can RS485-LN connects? ==
1355 1355  
1429 +
1356 1356  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"]].
1357 1357  
1358 1358  
1433 +
1359 1359  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1360 1360  
1436 +
1361 1361  When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1362 1362  
1363 1363  Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1364 1364  
1365 1365  
1442 +
1366 1366  == 6.5 Can i use point to point communication for RS485-LN? ==
1367 1367  
1445 +
1368 1368  Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1369 1369  
1370 1370  
1449 +
1371 1371  == 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1372 1372  
1452 +
1373 1373  [[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/]]
1374 1374  
1375 1375  
1456 +
1376 1376  = 7. Trouble Shooting =
1377 1377  
1459 +
1378 1378  == 7.1 Downlink doesn't work, how to solve it? ==
1379 1379  
1462 +
1380 1380  Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1381 1381  
1382 1382  
1466 +
1383 1383  == 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1384 1384  
1469 +
1385 1385  It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1386 1386  
1387 1387  
1473 +
1388 1388  = 8. Order Info =
1389 1389  
1476 +
1390 1390  (% style="color:blue" %)**Part Number: RS485-LN-XXX**
1391 1391  
1392 1392  (% style="color:blue" %)**XXX:**
... ... @@ -1403,6 +1403,8 @@
1403 1403  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1404 1404  
1405 1405  
1493 +
1494 +
1406 1406  = 9.Packing Info =
1407 1407  
1408 1408  
... ... @@ -1420,8 +1420,11 @@
1420 1420  * Weight / pcs : 170g
1421 1421  
1422 1422  
1512 +
1513 +
1423 1423  = 10. FCC Caution for RS485LN-US915 =
1424 1424  
1516 +
1425 1425  (((
1426 1426  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1427 1427  )))
... ... @@ -1439,7 +1439,7 @@
1439 1439  )))
1440 1440  
1441 1441  (((
1442 -**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:
1534 +(% 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:
1443 1443  )))
1444 1444  
1445 1445  (((
... ... @@ -1474,9 +1474,13 @@
1474 1474  
1475 1475  = 11. Support =
1476 1476  
1569 +
1477 1477  * (((
1478 1478  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.
1479 1479  )))
1480 1480  * (((
1481 1481  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]].
1575 +
1576 +
1577 +
1482 1482  )))
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