Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 73.3 >
edited by Xiaoling
on 2022/09/12 10:36
To version < 68.4 >
edited by Xiaoling
on 2022/08/18 14:30
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -30,7 +30,6 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 -
34 34  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
35 35  
36 36  (((
... ... @@ -74,7 +74,7 @@
74 74  == 1.2 Specifications ==
75 75  
76 76  
77 -(% style="color:#037691" %)**Hardware System:**
76 +**Hardware System:**
78 78  
79 79  * STM32L072CZT6 MCU
80 80  * SX1276/78 Wireless Chip 
... ... @@ -82,17 +82,13 @@
82 82  ** Idle: 32mA@12v
83 83  ** 20dB Transmit: 65mA@12v
84 84  
84 +**Interface for Model:**
85 85  
86 -
87 -(% style="color:#037691" %)**Interface for Model:**
88 -
89 89  * RS485
90 90  * Power Input 7~~ 24V DC. 
91 91  
89 +**LoRa Spec:**
92 92  
93 -
94 -(% style="color:#037691" %)**LoRa Spec:**
95 -
96 96  * Frequency Range:
97 97  ** Band 1 (HF): 862 ~~ 1020 Mhz
98 98  ** Band 2 (LF): 410 ~~ 528 Mhz
... ... @@ -113,13 +113,11 @@
113 113  * Packet engine up to 256 bytes with CRC
114 114  
115 115  
116 -
117 -
118 118  == 1.3 Features ==
119 119  
120 120  
121 121  * LoRaWAN Class A & Class C protocol (default Class C)
122 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
115 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
123 123  * AT Commands to change parameters
124 124  * Remote configure parameters via LoRa Downlink
125 125  * Firmware upgradable via program port
... ... @@ -128,8 +128,6 @@
128 128  * Support Interrupt uplink (Since hardware version v1.2)
129 129  
130 130  
131 -
132 -
133 133  == 1.4 Applications ==
134 134  
135 135  
... ... @@ -141,8 +141,6 @@
141 141  * Smart Factory
142 142  
143 143  
144 -
145 -
146 146  == 1.5 Firmware Change log ==
147 147  
148 148  
... ... @@ -189,7 +189,6 @@
189 189  
190 190  = 3. Operation Mode =
191 191  
192 -
193 193  == 3.1 How it works? ==
194 194  
195 195  
... ... @@ -207,7 +207,6 @@
207 207  
208 208  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. 
209 209  
210 -
211 211  (% 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" %)​
212 212  
213 213  
... ... @@ -218,8 +218,6 @@
218 218  
219 219  (((
220 220  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
221 -
222 -
223 223  )))
224 224  
225 225  (% 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" %)​
... ... @@ -227,8 +227,6 @@
227 227  
228 228  (((
229 229  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:
230 -
231 -
232 232  )))
233 233  
234 234  (((
... ... @@ -246,8 +246,6 @@
246 246  (((
247 247  (((
248 248  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
249 -
250 -
251 251  )))
252 252  
253 253  (((
... ... @@ -261,11 +261,8 @@
261 261  
262 262  (% 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" %)​
263 263  
264 -(% 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"]]
245 +(% 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" %)​
265 265  
266 -
267 -(% title="Click and drag to resize" %)​
268 -
269 269  You can also choose to create the device manually.
270 270  
271 271  (% 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" %)​
... ... @@ -277,11 +277,8 @@
277 277  (% 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" %)​
278 278  
279 279  
280 -
281 281  (((
282 282  (% 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.
283 -
284 -
285 285  )))
286 286  
287 287  (% 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" %)​
... ... @@ -295,8 +295,6 @@
295 295  (((
296 296  (((
297 297  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.
298 -
299 -
300 300  )))
301 301  )))
302 302  
... ... @@ -315,7 +315,6 @@
315 315  
316 316  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:
317 317  
318 -
319 319  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
320 320  |=(% style="width: 110px;" %)(((
321 321  **AT Commands**
... ... @@ -375,8 +375,6 @@
375 375  )))
376 376  
377 377  
378 -
379 -
380 380  === 3.3.2 Configure sensors ===
381 381  
382 382  
... ... @@ -405,8 +405,6 @@
405 405  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
406 406  
407 407  
408 -
409 -
410 410  === 3.3.3 Configure read commands for each sampling ===
411 411  
412 412  
... ... @@ -450,7 +450,7 @@
450 450  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
451 451  
452 452  
453 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
421 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
454 454  
455 455  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
456 456  |(% style="width:510px" %)(((
... ... @@ -468,13 +468,11 @@
468 468  (% 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" %)​
469 469  
470 470  
471 -
472 472  * (% style="color:#037691" %)**Grab a section**
473 473  
474 474  (% 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" %)​
475 475  
476 476  
477 -
478 478  * (% style="color:#037691" %)**Grab different sections**
479 479  
480 480  (% 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" %)​
... ... @@ -554,22 +554,7 @@
554 554  
555 555   ~* For all other bands: max 51 bytes for each uplink.
556 556  
557 -(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
558 558  
559 -(% 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)**
560 -
561 -
562 -(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
563 -
564 -1)When AT+MOD=1, 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.
565 -
566 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
567 -
568 -2)When AT+MOD=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 00s.
569 -
570 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
571 -
572 -
573 573  Below are the uplink payloads:
574 574  
575 575  (% 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" %)​
... ... @@ -659,7 +659,6 @@
659 659  
660 660  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
661 661  
662 -
663 663  (((
664 664  This command is used to configure the RS485 devices; they won't be used during sampling.
665 665  )))
... ... @@ -716,7 +716,7 @@
716 716  (((
717 717  
718 718  
719 -(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
669 +**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
720 720  )))
721 721  
722 722  (((
... ... @@ -754,7 +754,7 @@
754 754  )))
755 755  
756 756  (((
757 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
707 +**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
758 758  )))
759 759  
760 760  (((
... ... @@ -782,7 +782,6 @@
782 782  
783 783  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
784 784  
785 -
786 786  (((
787 787  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.
788 788  )))
... ... @@ -807,17 +807,10 @@
807 807  )))
808 808  
809 809  
810 -1)Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)[[image:image-20220824145428-2.png||height="168" width="1300"]]
811 811  
812 812  
813 -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.
814 -
815 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
816 -
817 -
818 818  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
819 819  
820 -
821 821  (((
822 822  AT+COMMANDx or AT+DATACUTx
823 823  )))
... ... @@ -845,14 +845,10 @@
845 845  
846 846  (((
847 847  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
848 -
849 -
850 850  )))
851 851  
852 852  (((
853 853  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
854 -
855 -
856 856  )))
857 857  
858 858  (((
... ... @@ -902,7 +902,6 @@
902 902  
903 903  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
904 904  
905 -
906 906  (((
907 907  **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]].
908 908  )))
... ... @@ -944,7 +944,6 @@
944 944  
945 945  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
946 946  
947 -
948 948  (((
949 949  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.
950 950  )))
... ... @@ -994,9 +994,10 @@
994 994  )))
995 995  
996 996  
997 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
998 998  
999 999  
935 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
936 +
1000 1000  (((
1001 1001  Define to use one uplink or multiple uplinks for the sampling.
1002 1002  )))
... ... @@ -1009,46 +1009,30 @@
1009 1009  
1010 1010  * (((
1011 1011  (% style="color:#037691" %)** AT Command:**
949 +)))
1012 1012  
1013 1013  **AT+DATAUP=0**
1014 1014  
1015 1015  **AT+DATAUP=1**
1016 1016  
1017 -
1018 -)))
1019 1019  
1020 -**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1021 -
1022 -Each uplink is sent to the server at 20-second intervals when segmented.
1023 -
1024 -
1025 1025  * (((
1026 1026  (% style="color:#037691" %)** Downlink Payload:**
1027 1027  )))
1028 1028  
1029 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
1030 -
1031 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1032 -
1033 -
1034 -* (((
1035 -(% style="color:#037691" %)** AT Command:**
960 +(((
961 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
1036 1036  )))
1037 1037  
1038 -**AT+DATAUP=1,Timeout**
1039 -
1040 -
1041 -* (((
1042 -(% style="color:#037691" %)** Downlink Payload:**
964 +(((
965 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
1043 1043  )))
1044 1044  
1045 -**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1046 1046  
1047 -Each uplink is sent to the server at 20-second intervals when segmented.
1048 1048  
970 +
1049 1049  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1050 1050  
1051 -
1052 1052  (((
1053 1053  Ask device to send an uplink immediately.
1054 1054  )))
... ... @@ -1078,7 +1078,6 @@
1078 1078  
1079 1079  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1080 1080  
1081 -
1082 1082  (((
1083 1083  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1084 1084  
... ... @@ -1125,11 +1125,8 @@
1125 1125  
1126 1126  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1127 1127  
1128 -
1129 1129  (((
1130 1130  Set the Rs485 serial communication parameters:
1131 -
1132 -
1133 1133  )))
1134 1134  
1135 1135  * (((
... ... @@ -1137,10 +1137,12 @@
1137 1137  )))
1138 1138  
1139 1139  (((
1057 +
1058 +
1140 1140  * Set Baud Rate
1141 1141  )))
1142 1142  
1143 -**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
1062 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1144 1144  
1145 1145  
1146 1146  (((
... ... @@ -1186,123 +1186,8 @@
1186 1186  )))
1187 1187  
1188 1188  
1189 -==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1190 1190  
1191 -(((
1192 -
1193 -)))
1194 1194  
1195 -* (((
1196 -(% style="color:#037691" %)** AT Command:**
1197 -)))
1198 -
1199 -**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1200 -
1201 -**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1202 -
1203 -
1204 -==== (% style="color:blue" %)**Get sensor value**(%%) ====
1205 -
1206 -
1207 -* (((
1208 -(% style="color:#037691" %)** AT Command:**
1209 -)))
1210 -
1211 -**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1212 -
1213 -**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1214 -
1215 -
1216 -==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1217 -
1218 -
1219 -* (((
1220 -(% style="color:#037691" %)** AT Command:**
1221 -)))
1222 -
1223 -**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)
1224 -
1225 -**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.
1226 -
1227 -
1228 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1229 -
1230 -
1231 -* (((
1232 -(% style="color:#037691" %)** AT Command:**
1233 -)))
1234 -
1235 - **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)
1236 -
1237 - **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.
1238 -
1239 -
1240 -* (((
1241 -(% style="color:#037691" %)** Downlink Payload:**
1242 -)))
1243 -
1244 -**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1245 -
1246 -
1247 -==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1248 -
1249 -
1250 -* (((
1251 -(% style="color:#037691" %)** AT Command:**
1252 -)))
1253 -
1254 -**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.
1255 -
1256 -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.
1257 -
1258 -[[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"]]
1259 -
1260 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1261 -
1262 -[[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"]]
1263 -
1264 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1265 -
1266 -
1267 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1268 -
1269 -
1270 -* (((
1271 -(% style="color:#037691" %)**Downlink Payload:**
1272 -
1273 -**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1274 -)))
1275 -
1276 -Example：
1277 -
1278 -[[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"]]
1279 -
1280 -==== ====
1281 -
1282 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1283 -
1284 -
1285 -* (((
1286 -(% style="color:#037691" %)** AT Command:**
1287 -)))
1288 -
1289 -**~ ​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.
1290 -
1291 -**~ ​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.
1292 -
1293 - **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
1294 -
1295 -
1296 -* (((
1297 -(% style="color:#037691" %)**Downlink Payload:**
1298 -)))
1299 -
1300 -**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
1301 -
1302 -[[image:image-20220824144240-1.png]]
1303 -
1304 -
1305 -
1306 1306  == 3.6 Listening mode for RS485 network ==
1307 1307  
1308 1308  
... ... @@ -1414,6 +1414,7 @@
1414 1414  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1415 1415  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1416 1416  
1221 +
1417 1417  == 3.8 LEDs ==
1418 1418  
1419 1419  
... ... @@ -1422,6 +1422,7 @@
1422 1422  |**PWR**|Always on if there is power
1423 1423  |**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.
1424 1424  
1230 +
1425 1425  = 4. Case Study =
1426 1426  
1427 1427  
... ... @@ -1431,7 +1431,6 @@
1431 1431  
1432 1432  = 5. Use AT Command =
1433 1433  
1434 -
1435 1435  == 5.1 Access AT Command ==
1436 1436  
1437 1437  
... ... @@ -1511,8 +1511,6 @@
1511 1511  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1512 1512  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.
1513 1513  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
1514 -
1515 -
1516 1516  )))
1517 1517  
1518 1518  (% 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" %)​
... ... @@ -1521,7 +1521,6 @@
1521 1521  
1522 1522  = 6. FAQ =
1523 1523  
1524 -
1525 1525  == 6.1 How to upgrade the image? ==
1526 1526  
1527 1527  
... ... @@ -1552,7 +1552,7 @@
1552 1552  )))
1553 1553  
1554 1554  (((
1555 -(% 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]].
1357 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1556 1556  )))
1557 1557  
1558 1558  (((
... ... @@ -1655,6 +1655,7 @@
1655 1655  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1656 1656  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1657 1657  
1460 +
1658 1658  = 9.Packing Info =
1659 1659  
1660 1660  
... ... @@ -1671,6 +1671,7 @@
1671 1671  * Package Size / pcs : 14.5 x 8 x 5 cm
1672 1672  * Weight / pcs : 170g
1673 1673  
1477 +
1674 1674  = 10. FCC Caution for RS485LN-US915 =
1675 1675  
1676 1676  
... ... @@ -1691,7 +1691,7 @@
1691 1691  )))
1692 1692  
1693 1693  (((
1694 -(% 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:
1498 +**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:
1695 1695  )))
1696 1696  
1697 1697  (((
... ... @@ -1732,7 +1732,4 @@
1732 1732  )))
1733 1733  * (((
1734 1734  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]].
1735 -
1736 -
1737 -
1738 1738  )))
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