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

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
... ... @@ -108,11 +108,13 @@
108 108  * Packet engine up to 256 bytes with CRC
109 109  
110 110  
116 +
117 +
111 111  == 1.3 Features ==
112 112  
113 113  
114 114  * LoRaWAN Class A & Class C protocol (default Class C)
115 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
122 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
116 116  * AT Commands to change parameters
117 117  * Remote configure parameters via LoRa Downlink
118 118  * Firmware upgradable via program port
... ... @@ -121,6 +121,8 @@
121 121  * Support Interrupt uplink (Since hardware version v1.2)
122 122  
123 123  
131 +
132 +
124 124  == 1.4 Applications ==
125 125  
126 126  
... ... @@ -132,6 +132,8 @@
132 132  * Smart Factory
133 133  
134 134  
144 +
145 +
135 135  == 1.5 Firmware Change log ==
136 136  
137 137  
... ... @@ -178,6 +178,7 @@
178 178  
179 179  = 3. Operation Mode =
180 180  
192 +
181 181  == 3.1 How it works? ==
182 182  
183 183  
... ... @@ -195,6 +195,7 @@
195 195  
196 196  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. 
197 197  
210 +
198 198  (% 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" %)​
199 199  
200 200  
... ... @@ -205,6 +205,8 @@
205 205  
206 206  (((
207 207  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
221 +
222 +
208 208  )))
209 209  
210 210  (% 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" %)​
... ... @@ -212,6 +212,8 @@
212 212  
213 213  (((
214 214  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 +
215 215  )))
216 216  
217 217  (((
... ... @@ -229,6 +229,8 @@
229 229  (((
230 230  (((
231 231  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
249 +
250 +
232 232  )))
233 233  
234 234  (((
... ... @@ -242,8 +242,11 @@
242 242  
243 243  (% 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" %)​
244 244  
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" %)​
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"]]
246 246  
266 +
267 +(% title="Click and drag to resize" %)​
268 +
247 247  You can also choose to create the device manually.
248 248  
249 249  (% 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" %)​
... ... @@ -255,8 +255,11 @@
255 255  (% 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" %)​
256 256  
257 257  
280 +
258 258  (((
259 259  (% 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 +
260 260  )))
261 261  
262 262  (% 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" %)​
... ... @@ -270,6 +270,8 @@
270 270  (((
271 271  (((
272 272  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 +
273 273  )))
274 274  )))
275 275  
... ... @@ -288,6 +288,7 @@
288 288  
289 289  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:
290 290  
318 +
291 291  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
292 292  |=(% style="width: 110px;" %)(((
293 293  **AT Commands**
... ... @@ -347,6 +347,8 @@
347 347  )))
348 348  
349 349  
378 +
379 +
350 350  === 3.3.2 Configure sensors ===
351 351  
352 352  
... ... @@ -375,6 +375,8 @@
375 375  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
376 376  
377 377  
408 +
409 +
378 378  === 3.3.3 Configure read commands for each sampling ===
379 379  
380 380  
... ... @@ -418,7 +418,7 @@
418 418  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
419 419  
420 420  
421 -(% 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.
422 422  
423 423  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
424 424  |(% style="width:510px" %)(((
... ... @@ -436,11 +436,13 @@
436 436  (% 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" %)​
437 437  
438 438  
471 +
439 439  * (% style="color:#037691" %)**Grab a section**
440 440  
441 441  (% 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" %)​
442 442  
443 443  
477 +
444 444  * (% style="color:#037691" %)**Grab different sections**
445 445  
446 446  (% 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" %)​
... ... @@ -520,7 +520,22 @@
520 520  
521 521   ~* For all other bands: max 51 bytes for each uplink.
522 522  
557 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
523 523  
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 +
524 524  Below are the uplink payloads:
525 525  
526 526  (% 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" %)​
... ... @@ -610,6 +610,7 @@
610 610  
611 611  ==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
612 612  
662 +
613 613  (((
614 614  This command is used to configure the RS485 devices; they won't be used during sampling.
615 615  )))
... ... @@ -666,7 +666,7 @@
666 666  (((
667 667  
668 668  
669 -**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
719 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
670 670  )))
671 671  
672 672  (((
... ... @@ -704,7 +704,7 @@
704 704  )))
705 705  
706 706  (((
707 -**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**)
708 708  )))
709 709  
710 710  (((
... ... @@ -732,6 +732,7 @@
732 732  
733 733  ==== (% style="color:blue" %)**Set Payload version**(%%) ====
734 734  
785 +
735 735  (((
736 736  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.
737 737  )))
... ... @@ -756,10 +756,17 @@
756 756  )))
757 757  
758 758  
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"]]
759 759  
760 760  
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 +
761 761  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
762 762  
820 +
763 763  (((
764 764  AT+COMMANDx or AT+DATACUTx
765 765  )))
... ... @@ -787,10 +787,14 @@
787 787  
788 788  (((
789 789  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
848 +
849 +
790 790  )))
791 791  
792 792  (((
793 793  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
854 +
855 +
794 794  )))
795 795  
796 796  (((
... ... @@ -840,6 +840,7 @@
840 840  
841 841  ==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
842 842  
905 +
843 843  (((
844 844  **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]].
845 845  )))
... ... @@ -881,6 +881,7 @@
881 881  
882 882  ==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
883 883  
947 +
884 884  (((
885 885  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.
886 886  )))
... ... @@ -930,10 +930,9 @@
930 930  )))
931 931  
932 932  
933 -
934 -
935 935  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
936 936  
999 +
937 937  (((
938 938  Define to use one uplink or multiple uplinks for the sampling.
939 939  )))
... ... @@ -946,30 +946,46 @@
946 946  
947 947  * (((
948 948  (% style="color:#037691" %)** AT Command:**
949 -)))
950 950  
951 951  **AT+DATAUP=0**
952 952  
953 953  **AT+DATAUP=1**
954 954  
1017 +
1018 +)))
955 955  
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 +
956 956  * (((
957 957  (% style="color:#037691" %)** Downlink Payload:**
958 958  )))
959 959  
960 -(((
961 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
962 -)))
1029 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
963 963  
964 -(((
965 -**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:**
966 966  )))
967 967  
1038 +**AT+DATAUP=1,Timeout**
968 968  
969 969  
1041 +* (((
1042 +(% style="color:#037691" %)** Downlink Payload:**
1043 +)))
970 970  
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 +
971 971  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
972 972  
1051 +
973 973  (((
974 974  Ask device to send an uplink immediately.
975 975  )))
... ... @@ -999,6 +999,7 @@
999 999  
1000 1000  ==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1001 1001  
1081 +
1002 1002  (((
1003 1003  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1004 1004  
... ... @@ -1045,8 +1045,11 @@
1045 1045  
1046 1046  ==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1047 1047  
1128 +
1048 1048  (((
1049 1049  Set the Rs485 serial communication parameters:
1131 +
1132 +
1050 1050  )))
1051 1051  
1052 1052  * (((
... ... @@ -1054,12 +1054,10 @@
1054 1054  )))
1055 1055  
1056 1056  (((
1057 -
1058 -
1059 1059  * Set Baud Rate
1060 1060  )))
1061 1061  
1062 -**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
1063 1063  
1064 1064  
1065 1065  (((
... ... @@ -1105,8 +1105,123 @@
1105 1105  )))
1106 1106  
1107 1107  
1189 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1108 1108  
1191 +(((
1192 +
1193 +)))
1109 1109  
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 +
1110 1110  == 3.6 Listening mode for RS485 network ==
1111 1111  
1112 1112  
... ... @@ -1218,7 +1218,6 @@
1218 1218  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1219 1219  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1220 1220  
1221 -
1222 1222  == 3.8 LEDs ==
1223 1223  
1224 1224  
... ... @@ -1227,7 +1227,6 @@
1227 1227  |**PWR**|Always on if there is power
1228 1228  |**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.
1229 1229  
1230 -
1231 1231  = 4. Case Study =
1232 1232  
1233 1233  
... ... @@ -1237,6 +1237,7 @@
1237 1237  
1238 1238  = 5. Use AT Command =
1239 1239  
1434 +
1240 1240  == 5.1 Access AT Command ==
1241 1241  
1242 1242  
... ... @@ -1316,6 +1316,8 @@
1316 1316  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1317 1317  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.
1318 1318  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 +
1319 1319  )))
1320 1320  
1321 1321  (% 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" %)​
... ... @@ -1324,6 +1324,7 @@
1324 1324  
1325 1325  = 6. FAQ =
1326 1326  
1524 +
1327 1327  == 6.1 How to upgrade the image? ==
1328 1328  
1329 1329  
... ... @@ -1354,7 +1354,7 @@
1354 1354  )))
1355 1355  
1356 1356  (((
1357 -(% 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]].
1358 1358  )))
1359 1359  
1360 1360  (((
... ... @@ -1457,7 +1457,6 @@
1457 1457  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1458 1458  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1459 1459  
1460 -
1461 1461  = 9.Packing Info =
1462 1462  
1463 1463  
... ... @@ -1474,7 +1474,6 @@
1474 1474  * Package Size / pcs : 14.5 x 8 x 5 cm
1475 1475  * Weight / pcs : 170g
1476 1476  
1477 -
1478 1478  = 10. FCC Caution for RS485LN-US915 =
1479 1479  
1480 1480  
... ... @@ -1495,7 +1495,7 @@
1495 1495  )))
1496 1496  
1497 1497  (((
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:
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:
1499 1499  )))
1500 1500  
1501 1501  (((
... ... @@ -1536,4 +1536,7 @@
1536 1536  )))
1537 1537  * (((
1538 1538  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 +
1539 1539  )))
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