Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -92,7 +92,6 @@ 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 96 == 1.3 Features == 97 97 98 98 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -104,7 +104,6 @@ 104 104 * Support Modbus protocol 105 105 * Support Interrupt uplink (Since hardware version v1.2) 106 106 107 - 108 108 == 1.4 Applications == 109 109 110 110 * Smart Buildings & Home Automation ... ... @@ -114,7 +114,6 @@ 114 114 * Smart Cities 115 115 * Smart Factory 116 116 117 - 118 118 == 1.5 Firmware Change log == 119 119 120 120 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -312,6 +312,7 @@ 312 312 ))) 313 313 ))) 314 314 312 + 315 315 === 3.3.2 Configure sensors === 316 316 317 317 ((( ... ... @@ -323,13 +323,20 @@ 323 323 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 324 324 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 325 325 |AT+CFGDEV|(% style="width:110px" %)((( 324 +((( 326 326 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 326 +))) 327 327 328 +((( 328 328 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 330 +))) 329 329 332 +((( 330 330 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 334 +))) 331 331 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 332 332 337 + 333 333 === 3.3.3 Configure read commands for each sampling === 334 334 335 335 ((( ... ... @@ -1107,29 +1107,29 @@ 1107 1107 ))) 1108 1108 1109 1109 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1110 -|=(% style="width: 1 61px;" %)(((1111 -**Command example :**1112 -)))|=(% style="width: 337px;" %)(((1115 +|=(% style="width: 100px;" %)((( 1116 +**Command example** 1117 +)))|=(% style="width: 400px;" %)((( 1113 1113 **Function** 1114 1114 ))) 1115 -|(% style="width:1 61px" %)(((1120 +|(% style="width:100px" %)((( 1116 1116 AT+RXMODE=1,10 1117 -)))|(% style="width: 337px" %)(((1122 +)))|(% style="width:400px" %)((( 1118 1118 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. 1119 1119 ))) 1120 -|(% style="width:1 61px" %)(((1125 +|(% style="width:100px" %)((( 1121 1121 AT+RXMODE=2,500 1122 -)))|(% style="width: 337px" %)(((1127 +)))|(% style="width:400px" %)((( 1123 1123 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 1124 1124 ))) 1125 -|(% style="width:1 61px" %)(((1130 +|(% style="width:100px" %)((( 1126 1126 AT+RXMODE=0,0 1127 -)))|(% style="width: 337px" %)(((1132 +)))|(% style="width:400px" %)((( 1128 1128 Disable listening mode. This is the default settings. 1129 1129 ))) 1130 -|(% style="width:1 61px" %)(((1135 +|(% style="width:100px" %)((( 1131 1131 1132 -)))|(% style="width: 337px" %)(((1137 +)))|(% style="width:400px" %)((( 1133 1133 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1134 1134 ))) 1135 1135 ... ... @@ -1178,8 +1178,10 @@ 1178 1178 ))) 1179 1179 1180 1180 ((( 1186 +((( 1181 1181 (% 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. 1182 1182 ))) 1189 +))) 1183 1183 1184 1184 1185 1185 == 3.7 Buttons == ... ... @@ -1191,6 +1191,7 @@ 1191 1191 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1192 1192 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1193 1193 1201 + 1194 1194 == 3.8 LEDs == 1195 1195 1196 1196 ... ... @@ -1199,6 +1199,7 @@ 1199 1199 |**PWR**|Always on if there is power 1200 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. 1201 1201 1210 + 1202 1202 = 4. Case Study = 1203 1203 1204 1204 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]] ... ... @@ -1250,7 +1250,9 @@ 1250 1250 ))) 1251 1251 1252 1252 1262 +((( 1253 1253 If device already joined network: 1264 +))) 1254 1254 1255 1255 (% class="box infomessage" %) 1256 1256 ((( ... ... @@ -1289,10 +1289,12 @@ 1289 1289 1290 1290 (% style="color:red" %)**Note:** 1291 1291 1303 +((( 1292 1292 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1293 1293 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1294 1294 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. 1295 1295 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 1308 +))) 1296 1296 1297 1297 [[image:1654162478620-421.png]] 1298 1298 ... ... @@ -1321,17 +1321,25 @@ 1321 1321 1322 1322 [[image:1654162535040-878.png]] 1323 1323 1337 +((( 1324 1324 **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]]. 1339 +))) 1325 1325 1341 +((( 1326 1326 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1343 +))) 1327 1327 1345 +((( 1328 1328 **Step3: **Open flashloader; choose the correct COM port to update. 1347 +))) 1329 1329 1330 1330 ((( 1331 1331 ((( 1351 +((( 1332 1332 (% 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. 1333 1333 ))) 1334 1334 ))) 1355 +))) 1335 1335 1336 1336 1337 1337 [[image:image-20220602175818-12.png]]