Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 68.5 >
edited by Xiaoling
on 2022/08/18 14:39
To version < 73.2 >
edited by Xiaoling
on 2022/09/12 10:35
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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 
... ... @@ -82,14 +82,16 @@
82 82  ** 20dB Transmit: 65mA@12v
83 83  
84 84  
85 -**Interface for Model:**
86 86  
87 +(% style="color:#037691" %)**Interface for Model:**
88 +
87 87  * RS485
88 88  * Power Input 7~~ 24V DC. 
89 89  
90 90  
91 -**LoRa Spec:**
92 92  
94 +(% style="color:#037691" %)**LoRa Spec:**
95 +
93 93  * Frequency Range:
94 94  ** Band 1 (HF): 862 ~~ 1020 Mhz
95 95  ** Band 2 (LF): 410 ~~ 528 Mhz
... ... @@ -116,7 +116,7 @@
116 116  
117 117  
118 118  * LoRaWAN Class A & Class C protocol (default Class C)
119 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
122 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
120 120  * AT Commands to change parameters
121 121  * Remote configure parameters via LoRa Downlink
122 122  * Firmware upgradable via program port
... ... @@ -186,6 +186,7 @@
186 186  
187 187  = 3. Operation Mode =
188 188  
192 +
189 189  == 3.1 How it works? ==
190 190  
191 191  
... ... @@ -356,9 +356,6 @@
356 356  )))
357 357  )))
358 358  
359 -
360 -
361 -
362 362  === 3.3.2 Configure sensors ===
363 363  
364 364  
... ... @@ -386,9 +386,6 @@
386 386  )))
387 387  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
388 388  
389 -
390 -
391 -
392 392  === 3.3.3 Configure read commands for each sampling ===
393 393  
394 394  
... ... @@ -432,7 +432,7 @@
432 432  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
433 433  
434 434  
435 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
433 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
436 436  
437 437  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
438 438  |(% style="width:510px" %)(((
... ... @@ -536,7 +536,22 @@
536 536  
537 537   ~* For all other bands: max 51 bytes for each uplink.
538 538  
537 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
539 539  
539 +(% 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)**
540 +
541 +
542 +(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
543 +
544 +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.
545 +
546 +[[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"]]
547 +
548 +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.
549 +
550 +[[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"]]
551 +
552 +
540 540  Below are the uplink payloads:
541 541  
542 542  (% 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" %)​
... ... @@ -774,8 +774,14 @@
774 774  )))
775 775  
776 776  
790 +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"]]
777 777  
778 778  
793 +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.
794 +
795 +[[image:image-20220824145428-3.png||height="308" width="1200"]]
796 +
797 +
779 779  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
780 780  
781 781  
... ... @@ -955,8 +955,6 @@
955 955  )))
956 956  
957 957  
958 -
959 -
960 960  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
961 961  
962 962  
... ... @@ -972,28 +972,43 @@
972 972  
973 973  * (((
974 974  (% style="color:#037691" %)** AT Command:**
975 -)))
976 976  
977 977  **AT+DATAUP=0**
978 978  
979 979  **AT+DATAUP=1**
980 980  
997 +
998 +)))
981 981  
1000 +**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1001 +
1002 +Each uplink is sent to the server at 20-second intervals when segmented.
1003 +
1004 +
982 982  * (((
983 983  (% style="color:#037691" %)** Downlink Payload:**
984 984  )))
985 985  
986 -(((
987 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
988 -)))
1009 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
989 989  
990 -(((
991 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
1011 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1012 +
1013 +
1014 +* (((
1015 +(% style="color:#037691" %)** AT Command:**
992 992  )))
993 993  
1018 +**AT+DATAUP=1,Timeout**
994 994  
995 995  
1021 +* (((
1022 +(% style="color:#037691" %)** Downlink Payload:**
1023 +)))
996 996  
1025 +**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1026 +
1027 +Each uplink is sent to the server at 20-second intervals when segmented.
1028 +
997 997  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
998 998  
999 999  
... ... @@ -1076,6 +1076,8 @@
1076 1076  
1077 1077  (((
1078 1078  Set the Rs485 serial communication parameters:
1111 +
1112 +
1079 1079  )))
1080 1080  
1081 1081  * (((
... ... @@ -1083,12 +1083,10 @@
1083 1083  )))
1084 1084  
1085 1085  (((
1086 -
1087 -
1088 1088  * Set Baud Rate
1089 1089  )))
1090 1090  
1091 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1123 +**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
1092 1092  
1093 1093  
1094 1094  (((
... ... @@ -1134,8 +1134,123 @@
1134 1134  )))
1135 1135  
1136 1136  
1169 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1137 1137  
1171 +(((
1172 +
1173 +)))
1138 1138  
1175 +* (((
1176 +(% style="color:#037691" %)** AT Command:**
1177 +)))
1178 +
1179 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1180 +
1181 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1182 +
1183 +
1184 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1185 +
1186 +
1187 +* (((
1188 +(% style="color:#037691" %)** AT Command:**
1189 +)))
1190 +
1191 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1192 +
1193 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1194 +
1195 +
1196 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1197 +
1198 +
1199 +* (((
1200 +(% style="color:#037691" %)** AT Command:**
1201 +)))
1202 +
1203 +**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)
1204 +
1205 +**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.
1206 +
1207 +
1208 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1209 +
1210 +
1211 +* (((
1212 +(% style="color:#037691" %)** AT Command:**
1213 +)))
1214 +
1215 + **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)
1216 +
1217 + **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.
1218 +
1219 +
1220 +* (((
1221 +(% style="color:#037691" %)** Downlink Payload:**
1222 +)))
1223 +
1224 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1225 +
1226 +
1227 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1228 +
1229 +
1230 +* (((
1231 +(% style="color:#037691" %)** AT Command:**
1232 +)))
1233 +
1234 +**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.
1235 +
1236 +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.
1237 +
1238 +[[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"]]
1239 +
1240 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1241 +
1242 +[[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"]]
1243 +
1244 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1245 +
1246 +
1247 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1248 +
1249 +
1250 +* (((
1251 +(% style="color:#037691" %)**Downlink Payload:**
1252 +
1253 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1254 +)))
1255 +
1256 +Example：
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-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1259 +
1260 +==== ====
1261 +
1262 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1263 +
1264 +
1265 +* (((
1266 +(% style="color:#037691" %)** AT Command:**
1267 +)))
1268 +
1269 +**~ ​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.
1270 +
1271 +**~ ​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.
1272 +
1273 + **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
1274 +
1275 +
1276 +* (((
1277 +(% style="color:#037691" %)**Downlink Payload:**
1278 +)))
1279 +
1280 +**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
1281 +
1282 +[[image:image-20220824144240-1.png]]
1283 +
1284 +
1285 +
1139 1139  == 3.6 Listening mode for RS485 network ==
1140 1140  
1141 1141  
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1247 1247  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1248 1248  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1249 1249  
1250 -
1251 -
1252 -
1253 -
1254 1254  == 3.8 LEDs ==
1255 1255  
1256 1256  
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1259 1259  |**PWR**|Always on if there is power
1260 1260  |**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.
1261 1261  
1262 -
1263 -
1264 -
1265 -
1266 1266  = 4. Case Study =
1267 1267  
1268 1268  
... ... @@ -1393,7 +1393,7 @@
1393 1393  )))
1394 1394  
1395 1395  (((
1396 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1535 +(% 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]].
1397 1397  )))
1398 1398  
1399 1399  (((
... ... @@ -1496,10 +1496,6 @@
1496 1496  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1497 1497  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1498 1498  
1499 -
1500 -
1501 -
1502 -
1503 1503  = 9.Packing Info =
1504 1504  
1505 1505  
... ... @@ -1516,10 +1516,6 @@
1516 1516  * Package Size / pcs : 14.5 x 8 x 5 cm
1517 1517  * Weight / pcs : 170g
1518 1518  
1519 -
1520 -
1521 -
1522 -
1523 1523  = 10. FCC Caution for RS485LN-US915 =
1524 1524  
1525 1525  
... ... @@ -1540,7 +1540,7 @@
1540 1540  )))
1541 1541  
1542 1542  (((
1543 -**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:
1674 +(% 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:
1544 1544  )))
1545 1545  
1546 1546  (((
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