Last modified by Bei Jinggeng on 2025/01/16 11:36
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From version < 58.27 >
edited by Xiaoling
on 2022/06/06 11:27
To version < 60.3 >
edited by Xiaoling
on 2022/06/14 11:06
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Summary

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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Content
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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  )))
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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  )))
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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:
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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 +
102 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
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104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
115 +
116 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
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114 114  * Smart Factory
115 115  
116 116  
127 +
128 +
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/]]
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235 235  
236 236  (((
237 237  (((
250 +(((
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  )))
253 +)))
240 240  
241 241  (((
256 +(((
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
258 +)))
243 243  
244 244  
245 245  )))
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307 307  )))
308 308  )))
309 309  
310 -
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
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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" %)(((
337 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
339 +)))
324 324  
341 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
343 +)))
326 326  
345 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
347 +)))
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  (((
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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;" %)(((
1127 +|=(% style="width: 100px;" %)(((
1128 +**Command example**
1129 +)))|=(% style="width: 400px;" %)(((
1112 1112  **Function**
1113 1113  )))
1114 -|(% style="width:161px" %)(((
1132 +|(% style="width:100px" %)(((
1115 1115  AT+RXMODE=1,10
1116 -)))|(% style="width:337px" %)(((
1134 +)))|(% 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" %)(((
1137 +|(% style="width:100px" %)(((
1120 1120  AT+RXMODE=2,500
1121 -)))|(% style="width:337px" %)(((
1139 +)))|(% 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" %)(((
1142 +|(% style="width:100px" %)(((
1125 1125  AT+RXMODE=0,0
1126 -)))|(% style="width:337px" %)(((
1144 +)))|(% style="width:400px" %)(((
1127 1127  Disable listening mode. This is the default settings.
1128 1128  )))
1129 -|(% style="width:161px" %)(((
1147 +|(% style="width:100px" %)(((
1130 1130  
1131 -)))|(% style="width:337px" %)(((
1149 +)))|(% style="width:400px" %)(((
1132 1132  A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 1133  )))
1134 1134  
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1177 1177  )))
1178 1178  
1179 1179  (((
1198 +(((
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  )))
1201 +)))
1182 1182  
1183 1183  
1184 1184  == 3.7 Buttons ==
1185 1185  
1186 1186  
1187 -(% border="1" cellspacing="10" 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"]]
1207 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1208 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1209 +|(% 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**
1210 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1211 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1192 1192  
1193 -
1194 -
1195 1195  == 3.8 LEDs ==
1196 1196  
1197 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
1198 -|=**LEDs**|=**Feature**
1215 +
1216 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1217 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1199 1199  |**PWR**|Always on if there is power
1200 -|**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.
1219 +|**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.
1201 1201  
1202 -
1203 -
1204 1204  = 4. Case Study =
1205 1205  
1206 1206  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]]
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1252 1252  )))
1253 1253  
1254 1254  
1272 +(((
1255 1255  If device already joined network:
1274 +)))
1256 1256  
1257 1257  (% class="box infomessage" %)
1258 1258  (((
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1291 1291  
1292 1292  (% style="color:red" %)**Note:**
1293 1293  
1313 +(((
1294 1294  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1295 1295  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1296 1296  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.
1297 1297  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
1318 +)))
1298 1298  
1299 1299  [[image:1654162478620-421.png]]
1300 1300  
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1303 1303  
1304 1304  == 6.1 How to upgrade the image? ==
1305 1305  
1327 +(((
1306 1306  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1329 +)))
1307 1307  
1308 -* Support new features
1309 -* For bug fix
1310 -* Change LoRaWAN bands.
1331 +* (((
1332 +Support new features
1333 +)))
1334 +* (((
1335 +For bug fix
1336 +)))
1337 +* (((
1338 +Change LoRaWAN bands.
1339 +)))
1311 1311  
1341 +(((
1312 1312  Below shows the hardware connection for how to upload an image to RS485-LN:
1343 +)))
1313 1313  
1314 1314  [[image:1654162535040-878.png]]
1315 1315  
1347 +(((
1316 1316  **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]].
1349 +)))
1317 1317  
1351 +(((
1318 1318  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1353 +)))
1319 1319  
1355 +(((
1320 1320  **Step3: **Open flashloader; choose the correct COM port to update.
1357 +)))
1321 1321  
1322 1322  (((
1360 +(((
1361 +(((
1323 1323  (% 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.
1324 1324  )))
1364 +)))
1365 +)))
1325 1325  
1326 1326  
1327 1327  [[image:image-20220602175818-12.png]]
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1384 1384  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1385 1385  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1386 1386  
1387 -
1388 1388  = 9.Packing Info =
1389 1389  
1390 1390  
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1401 1401  * Package Size / pcs : 14.5 x 8 x 5 cm
1402 1402  * Weight / pcs : 170g
1403 1403  
1404 -
1405 1405  = 10. FCC Caution for RS485LN-US915 =
1406 1406  
1407 1407  (((

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