Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 68.3 >
edited by Xiaoling
on 2022/08/08 10:10
To version < 73.3 >
edited by Xiaoling
on 2022/09/12 10:36
>
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Summary

Details

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Content
... ... @@ -30,6 +30,7 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  (((
... ... @@ -73,7 +73,7 @@
73 73  == 1.2 Specifications ==
74 74  
75 75  
76 -**Hardware System:**
77 +(% style="color:#037691" %)**Hardware System:**
77 77  
78 78  * STM32L072CZT6 MCU
79 79  * SX1276/78 Wireless Chip 
... ... @@ -81,13 +81,17 @@
81 81  ** Idle: 32mA@12v
82 82  ** 20dB Transmit: 65mA@12v
83 83  
84 -**Interface for Model:**
85 85  
86 +
87 +(% style="color:#037691" %)**Interface for Model:**
88 +
86 86  * RS485
87 87  * Power Input 7~~ 24V DC. 
88 88  
89 -**LoRa Spec:**
90 90  
93 +
94 +(% style="color:#037691" %)**LoRa Spec:**
95 +
91 91  * Frequency Range:
92 92  ** Band 1 (HF): 862 ~~ 1020 Mhz
93 93  ** Band 2 (LF): 410 ~~ 528 Mhz
... ... @@ -109,11 +109,12 @@
109 109  
110 110  
111 111  
117 +
112 112  == 1.3 Features ==
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
122 +* 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
... ... @@ -123,6 +123,7 @@
123 123  
124 124  
125 125  
132 +
126 126  == 1.4 Applications ==
127 127  
128 128  
... ... @@ -135,6 +135,7 @@
135 135  
136 136  
137 137  
145 +
138 138  == 1.5 Firmware Change log ==
139 139  
140 140  
... ... @@ -181,6 +181,7 @@
181 181  
182 182  = 3. Operation Mode =
183 183  
192 +
184 184  == 3.1 How it works? ==
185 185  
186 186  
... ... @@ -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  
210 +
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.
221 +
222 +
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:
230 +
231 +
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:
249 +
250 +
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" %)​
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"]]
249 249  
266 +
267 +(% title="Click and drag to resize" %)​
268 +
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" %)​
... ... @@ -258,8 +258,11 @@
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  
280 +
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.
283 +
284 +
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" %)​
... ... @@ -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.
298 +
299 +
276 276  )))
277 277  )))
278 278  
... ... @@ -291,6 +291,7 @@
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  
318 +
294 294  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
295 295  |=(% style="width: 110px;" %)(((
296 296  **AT Commands**
... ... @@ -351,6 +351,7 @@
351 351  
352 352  
353 353  
379 +
354 354  === 3.3.2 Configure sensors ===
355 355  
356 356  
... ... @@ -380,6 +380,7 @@
380 380  
381 381  
382 382  
409 +
383 383  === 3.3.3 Configure read commands for each sampling ===
384 384  
385 385  
... ... @@ -423,7 +423,7 @@
423 423  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
424 424  
425 425  
426 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
453 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
427 427  
428 428  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
429 429  |(% style="width:510px" %)(((
... ... @@ -441,11 +441,13 @@
441 441  (% 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" %)​
442 442  
443 443  
471 +
444 444  * (% style="color:#037691" %)**Grab a section**
445 445  
446 446  (% 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" %)​
447 447  
448 448  
477 +
449 449  * (% style="color:#037691" %)**Grab different sections**
450 450  
451 451  (% 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" %)​
... ... @@ -525,7 +525,22 @@
525 525  
526 526   ~* For all other bands: max 51 bytes for each uplink.
527 527  
557 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
528 528  
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 +
529 529  Below are the uplink payloads:
530 530  
531 531  (% 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" %)​
... ... @@ -597,7 +597,7 @@
597 597  
598 598  
599 599  
600 -=== 3.5.2 Sensor related commands ===
644 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
601 601  
602 602  
603 603  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.
... ... @@ -615,8 +615,9 @@
615 615  
616 616  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
617 617  
662 +
618 618  (((
619 -This command is used to configure the RS485 devices; they won’t be used during sampling.
664 +This command is used to configure the RS485 devices; they won't be used during sampling.
620 620  )))
621 621  
622 622  * (((
... ... @@ -671,7 +671,7 @@
671 671  (((
672 672  
673 673  
674 -**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
719 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
675 675  )))
676 676  
677 677  (((
... ... @@ -709,7 +709,7 @@
709 709  )))
710 710  
711 711  (((
712 -**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
757 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
713 713  )))
714 714  
715 715  (((
... ... @@ -737,6 +737,7 @@
737 737  
738 738  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
739 739  
785 +
740 740  (((
741 741  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.
742 742  )))
... ... @@ -761,10 +761,17 @@
761 761  )))
762 762  
763 763  
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"]]
764 764  
765 765  
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 +
766 766  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
767 767  
820 +
768 768  (((
769 769  AT+COMMANDx or AT+DATACUTx
770 770  )))
... ... @@ -792,10 +792,14 @@
792 792  
793 793  (((
794 794  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
848 +
849 +
795 795  )))
796 796  
797 797  (((
798 798  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
854 +
855 +
799 799  )))
800 800  
801 801  (((
... ... @@ -845,6 +845,7 @@
845 845  
846 846  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
847 847  
905 +
848 848  (((
849 849  **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]].
850 850  )))
... ... @@ -886,6 +886,7 @@
886 886  
887 887  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
888 888  
947 +
889 889  (((
890 890  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.
891 891  )))
... ... @@ -935,10 +935,9 @@
935 935  )))
936 936  
937 937  
938 -
939 -
940 940  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
941 941  
999 +
942 942  (((
943 943  Define to use one uplink or multiple uplinks for the sampling.
944 944  )))
... ... @@ -951,30 +951,46 @@
951 951  
952 952  * (((
953 953  (% style="color:#037691" %)** AT Command:**
954 -)))
955 955  
956 956  **AT+DATAUP=0**
957 957  
958 958  **AT+DATAUP=1**
959 959  
1017 +
1018 +)))
960 960  
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 +
961 961  * (((
962 962  (% style="color:#037691" %)** Downlink Payload:**
963 963  )))
964 964  
965 -(((
966 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
967 -)))
1029 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
968 968  
969 -(((
970 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
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:**
971 971  )))
972 972  
1038 +**AT+DATAUP=1,Timeout**
973 973  
974 974  
1041 +* (((
1042 +(% style="color:#037691" %)** Downlink Payload:**
1043 +)))
975 975  
1045 +**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1046 +
1047 +Each uplink is sent to the server at 20-second intervals when segmented.
1048 +
976 976  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
977 977  
1051 +
978 978  (((
979 979  Ask device to send an uplink immediately.
980 980  )))
... ... @@ -1004,6 +1004,7 @@
1004 1004  
1005 1005  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1006 1006  
1081 +
1007 1007  (((
1008 1008  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1009 1009  
... ... @@ -1050,8 +1050,11 @@
1050 1050  
1051 1051  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1052 1052  
1128 +
1053 1053  (((
1054 1054  Set the Rs485 serial communication parameters:
1131 +
1132 +
1055 1055  )))
1056 1056  
1057 1057  * (((
... ... @@ -1059,12 +1059,10 @@
1059 1059  )))
1060 1060  
1061 1061  (((
1062 -
1063 -
1064 1064  * Set Baud Rate
1065 1065  )))
1066 1066  
1067 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
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
1068 1068  
1069 1069  
1070 1070  (((
... ... @@ -1110,8 +1110,123 @@
1110 1110  )))
1111 1111  
1112 1112  
1189 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1113 1113  
1191 +(((
1192 +
1193 +)))
1114 1114  
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 +
1115 1115  == 3.6 Listening mode for RS485 network ==
1116 1116  
1117 1117  
... ... @@ -1223,8 +1223,6 @@
1223 1223  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1224 1224  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1225 1225  
1226 -
1227 -
1228 1228  == 3.8 LEDs ==
1229 1229  
1230 1230  
... ... @@ -1233,8 +1233,6 @@
1233 1233  |**PWR**|Always on if there is power
1234 1234  |**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.
1235 1235  
1236 -
1237 -
1238 1238  = 4. Case Study =
1239 1239  
1240 1240  
... ... @@ -1244,6 +1244,7 @@
1244 1244  
1245 1245  = 5. Use AT Command =
1246 1246  
1434 +
1247 1247  == 5.1 Access AT Command ==
1248 1248  
1249 1249  
... ... @@ -1323,6 +1323,8 @@
1323 1323  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1324 1324  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.
1325 1325  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 +
1326 1326  )))
1327 1327  
1328 1328  (% 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" %)​
... ... @@ -1331,6 +1331,7 @@
1331 1331  
1332 1332  = 6. FAQ =
1333 1333  
1524 +
1334 1334  == 6.1 How to upgrade the image? ==
1335 1335  
1336 1336  
... ... @@ -1361,7 +1361,7 @@
1361 1361  )))
1362 1362  
1363 1363  (((
1364 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
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]].
1365 1365  )))
1366 1366  
1367 1367  (((
... ... @@ -1464,8 +1464,6 @@
1464 1464  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1465 1465  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1466 1466  
1467 -
1468 -
1469 1469  = 9.Packing Info =
1470 1470  
1471 1471  
... ... @@ -1482,8 +1482,6 @@
1482 1482  * Package Size / pcs : 14.5 x 8 x 5 cm
1483 1483  * Weight / pcs : 170g
1484 1484  
1485 -
1486 -
1487 1487  = 10. FCC Caution for RS485LN-US915 =
1488 1488  
1489 1489  
... ... @@ -1504,7 +1504,7 @@
1504 1504  )))
1505 1505  
1506 1506  (((
1507 -**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:
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:
1508 1508  )))
1509 1509  
1510 1510  (((
... ... @@ -1545,4 +1545,7 @@
1545 1545  )))
1546 1546  * (((
1547 1547  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 +
1548 1548  )))
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