Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.39 >
edited by Xiaoling
on 2022/06/06 12:01
To version < 59.9 >
edited by Xiaoling
on 2022/06/06 14:21
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -92,6 +92,8 @@
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 93  * Packet engine up to 256 bytes with CRC
94 94  
95 +
96 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -103,6 +103,8 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
108 +
109 +
106 106  == 1.4 Applications ==
107 107  
108 108  * Smart Buildings & Home Automation
... ... @@ -112,6 +112,8 @@
112 112  * Smart Cities
113 113  * Smart Factory
114 114  
119 +
120 +
115 115  == 1.5 Firmware Change log ==
116 116  
117 117  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -233,11 +233,15 @@
233 233  
234 234  (((
235 235  (((
242 +(((
236 236  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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
237 237  )))
245 +)))
238 238  
239 239  (((
248 +(((
240 240  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
250 +)))
241 241  
242 242  
243 243  )))
... ... @@ -305,6 +305,8 @@
305 305  )))
306 306  )))
307 307  
318 +
319 +
308 308  === 3.3.2 Configure sensors ===
309 309  
310 310  (((
... ... @@ -316,13 +316,21 @@
316 316  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
317 317  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
318 318  |AT+CFGDEV|(% style="width:110px" %)(((
331 +(((
319 319  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
333 +)))
320 320  
335 +(((
321 321  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
337 +)))
322 322  
339 +(((
323 323  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
341 +)))
324 324  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
325 325  
344 +
345 +
326 326  === 3.3.3 Configure read commands for each sampling ===
327 327  
328 328  (((
... ... @@ -1100,29 +1100,29 @@
1100 1100  )))
1101 1101  
1102 1102  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1103 -|=(% style="width: 161px;" %)(((
1104 -**Command example:**
1105 -)))|=(% style="width: 337px;" %)(((
1123 +|=(% style="width: 100px;" %)(((
1124 +**Command example**
1125 +)))|=(% style="width: 400px;" %)(((
1106 1106  **Function**
1107 1107  )))
1108 -|(% style="width:161px" %)(((
1128 +|(% style="width:100px" %)(((
1109 1109  AT+RXMODE=1,10
1110 -)))|(% style="width:337px" %)(((
1130 +)))|(% style="width:400px" %)(((
1111 1111  Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
1112 1112  )))
1113 -|(% style="width:161px" %)(((
1133 +|(% style="width:100px" %)(((
1114 1114  AT+RXMODE=2,500
1115 -)))|(% style="width:337px" %)(((
1135 +)))|(% style="width:400px" %)(((
1116 1116  Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
1117 1117  )))
1118 -|(% style="width:161px" %)(((
1138 +|(% style="width:100px" %)(((
1119 1119  AT+RXMODE=0,0
1120 -)))|(% style="width:337px" %)(((
1140 +)))|(% style="width:400px" %)(((
1121 1121  Disable listening mode. This is the default settings.
1122 1122  )))
1123 -|(% style="width:161px" %)(((
1143 +|(% style="width:100px" %)(((
1124 1124  
1125 -)))|(% style="width:337px" %)(((
1145 +)))|(% style="width:400px" %)(((
1126 1126  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1127 1127  )))
1128 1128  
... ... @@ -1171,8 +1171,10 @@
1171 1171  )))
1172 1172  
1173 1173  (((
1194 +(((
1174 1174  (% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
1175 1175  )))
1197 +)))
1176 1176  
1177 1177  
1178 1178  == 3.7 Buttons ==
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1192 1192  |**PWR**|Always on if there is power
1193 1193  |**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.
1194 1194  
1195 -
1196 1196  = 4. Case Study =
1197 1197  
1198 1198  User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
... ... @@ -1244,7 +1244,9 @@
1244 1244  )))
1245 1245  
1246 1246  
1268 +(((
1247 1247  If device already joined network:
1270 +)))
1248 1248  
1249 1249  (% class="box infomessage" %)
1250 1250  (((
... ... @@ -1283,10 +1283,12 @@
1283 1283  
1284 1284  (% style="color:red" %)**Note:**
1285 1285  
1309 +(((
1286 1286  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1287 1287  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1288 1288  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.
1289 1289  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
1314 +)))
1290 1290  
1291 1291  [[image:1654162478620-421.png]]
1292 1292  
... ... @@ -1315,17 +1315,25 @@
1315 1315  
1316 1316  [[image:1654162535040-878.png]]
1317 1317  
1343 +(((
1318 1318  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1345 +)))
1319 1319  
1347 +(((
1320 1320  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1349 +)))
1321 1321  
1351 +(((
1322 1322  **Step3: **Open flashloader; choose the correct COM port to update.
1353 +)))
1323 1323  
1324 1324  (((
1325 1325  (((
1357 +(((
1326 1326  (% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1327 1327  )))
1328 1328  )))
1361 +)))
1329 1329  
1330 1330  
1331 1331  [[image:image-20220602175818-12.png]]

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