Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.22 >
edited by Xiaoling
on 2022/06/06 11:25
To version < 60.7 >
edited by Xiaoling
on 2022/06/14 11:14
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 9  
... ... @@ -25,6 +25,8 @@
25 25  (((
26 26  (((
27 27  (((
27 +
28 +
28 28  The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
29 29  )))
30 30  )))
... ... @@ -48,6 +48,8 @@
48 48  
49 49  (((
50 50  (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
52 +
53 +
51 51  )))
52 52  )))
53 53  )))
... ... @@ -66,11 +66,13 @@
66 66  ** Idle: 32mA@12v
67 67  ** 20dB Transmit: 65mA@12v
68 68  
72 +
69 69  **Interface for Model:**
70 70  
71 71  * RS485
72 72  * Power Input 7~~ 24V DC. 
73 73  
78 +
74 74  **LoRa Spec:**
75 75  
76 76  * Frequency Range:
... ... @@ -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  
100 +
101 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -104,6 +104,7 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
114 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,7 @@
114 114  * Smart Factory
115 115  
116 116  
125 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -182,12 +182,13 @@
182 182  
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
194 +
185 185  (((
186 186  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:
187 187  )))
188 188  
189 189  (((
190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
200 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
191 191  )))
192 192  
193 193  (((
... ... @@ -197,6 +197,7 @@
197 197  
198 198  [[image:1652953462722-299.png]]
199 199  
210 +
200 200  (((
201 201  (((
202 202  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -203,7 +203,7 @@
203 203  )))
204 204  
205 205  (((
206 -Add APP EUI in the application.
217 +**Add APP EUI in the application.**
207 207  )))
208 208  )))
209 209  
... ... @@ -219,13 +219,15 @@
219 219  
220 220  [[image:1652953542269-423.png||height="710" width="723"]]
221 221  
222 -Add APP KEY and DEV EUI
223 223  
234 +
235 +**Add APP KEY and DEV EUI**
236 +
224 224  [[image:1652953553383-907.png||height="514" width="724"]]
225 225  
226 226  
227 227  (((
228 -**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.
241 +(% 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.
229 229  )))
230 230  
231 231  [[image:1652953568895-172.png||height="232" width="724"]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
251 +(((
238 238  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.
239 239  )))
254 +)))
240 240  
241 241  (((
257 +(((
242 242  (% 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
259 +)))
243 243  
244 244  
245 245  )))
... ... @@ -309,6 +309,7 @@
309 309  
310 310  
311 311  
329 +
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -320,15 +320,19 @@
320 320  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 321  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 322  |AT+CFGDEV|(% style="width:110px" %)(((
341 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
343 +)))
324 324  
345 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
347 +)))
326 326  
349 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
351 +)))
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 -
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -1106,29 +1106,29 @@
1106 1106  )))
1107 1107  
1108 1108  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 -|=(% style="width: 161px;" %)(((
1110 -**Command example:**
1111 -)))|=(% style="width: 337px;" %)(((
1131 +|=(% style="width: 100px;" %)(((
1132 +**Command example**
1133 +)))|=(% style="width: 400px;" %)(((
1112 1112  **Function**
1113 1113  )))
1114 -|(% style="width:161px" %)(((
1136 +|(% style="width:100px" %)(((
1115 1115  AT+RXMODE=1,10
1116 -)))|(% style="width:337px" %)(((
1138 +)))|(% style="width:400px" %)(((
1117 1117  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.
1118 1118  )))
1119 -|(% style="width:161px" %)(((
1141 +|(% style="width:100px" %)(((
1120 1120  AT+RXMODE=2,500
1121 -)))|(% style="width:337px" %)(((
1143 +)))|(% style="width:400px" %)(((
1122 1122  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
1123 1123  )))
1124 -|(% style="width:161px" %)(((
1146 +|(% style="width:100px" %)(((
1125 1125  AT+RXMODE=0,0
1126 -)))|(% style="width:337px" %)(((
1148 +)))|(% style="width:400px" %)(((
1127 1127  Disable listening mode. This is the default settings.
1128 1128  )))
1129 -|(% style="width:161px" %)(((
1151 +|(% style="width:100px" %)(((
1130 1130  
1131 -)))|(% style="width:337px" %)(((
1153 +)))|(% style="width:400px" %)(((
1132 1132  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 1133  )))
1134 1134  
... ... @@ -1177,25 +1177,28 @@
1177 1177  )))
1178 1178  
1179 1179  (((
1202 +(((
1180 1180  (% 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.
1181 1181  )))
1205 +)))
1182 1182  
1183 1183  
1184 1184  == 3.7 Buttons ==
1185 1185  
1186 1186  
1187 -(% border="1" style="background-color:#f7faff; width:500px" %)
1188 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1189 -|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1190 -|**RST**|(% style="width:1420px" %)Reboot RS485
1191 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1211 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1212 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1213 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
1214 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1215 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1192 1192  
1193 1193  == 3.8 LEDs ==
1194 1194  
1195 -(% border="1" style="background-color:#f7faff; width:500px" %)
1196 -|=**LEDs**|=**Feature**
1219 +
1220 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1221 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1197 1197  |**PWR**|Always on if there is power
1198 -|**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.
1223 +|**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.
1199 1199  
1200 1200  = 4. Case Study =
1201 1201  
... ... @@ -1206,19 +1206,26 @@
1206 1206  
1207 1207  == 5.1 Access AT Command ==
1208 1208  
1234 +(((
1209 1209  RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
1236 +)))
1210 1210  
1211 1211  [[image:1654162355560-817.png]]
1212 1212  
1213 1213  
1241 +(((
1214 1214  In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1243 +)))
1215 1215  
1216 1216  [[image:1654162368066-342.png]]
1217 1217  
1218 1218  
1248 +(((
1219 1219  More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
1250 +)))
1220 1220  
1221 1221  
1253 +
1222 1222  == 5.2 Common AT Command Sequence ==
1223 1223  
1224 1224  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1241,7 +1241,9 @@
1241 1241  )))
1242 1242  
1243 1243  
1276 +(((
1244 1244  If device already joined network:
1278 +)))
1245 1245  
1246 1246  (% class="box infomessage" %)
1247 1247  (((
... ... @@ -1280,10 +1280,12 @@
1280 1280  
1281 1281  (% style="color:red" %)**Note:**
1282 1282  
1317 +(((
1283 1283  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1284 1284  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1285 1285  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.
1286 1286  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
1322 +)))
1287 1287  
1288 1288  [[image:1654162478620-421.png]]
1289 1289  
... ... @@ -1292,25 +1292,45 @@
1292 1292  
1293 1293  == 6.1 How to upgrade the image? ==
1294 1294  
1331 +(((
1295 1295  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1333 +)))
1296 1296  
1297 -* Support new features
1298 -* For bug fix
1299 -* Change LoRaWAN bands.
1335 +* (((
1336 +Support new features
1337 +)))
1338 +* (((
1339 +For bug fix
1340 +)))
1341 +* (((
1342 +Change LoRaWAN bands.
1343 +)))
1300 1300  
1345 +(((
1301 1301  Below shows the hardware connection for how to upload an image to RS485-LN:
1347 +)))
1302 1302  
1303 1303  [[image:1654162535040-878.png]]
1304 1304  
1351 +(((
1305 1305  **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]].
1353 +)))
1306 1306  
1355 +(((
1307 1307  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1357 +)))
1308 1308  
1359 +(((
1309 1309  **Step3: **Open flashloader; choose the correct COM port to update.
1361 +)))
1310 1310  
1311 1311  (((
1364 +(((
1365 +(((
1312 1312  (% 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.
1313 1313  )))
1368 +)))
1369 +)))
1314 1314  
1315 1315  
1316 1316  [[image:image-20220602175818-12.png]]
... ... @@ -1373,7 +1373,6 @@
1373 1373  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1374 1374  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1375 1375  
1376 -
1377 1377  = 9.Packing Info =
1378 1378  
1379 1379  
... ... @@ -1390,7 +1390,6 @@
1390 1390  * Package Size / pcs : 14.5 x 8 x 5 cm
1391 1391  * Weight / pcs : 170g
1392 1392  
1393 -
1394 1394  = 10. FCC Caution for RS485LN-US915 =
1395 1395  
1396 1396  (((

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0