Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
Details
- Page properties
-
- Content
-
... ... @@ -93,6 +93,7 @@ 93 93 * Packet engine up to 256 bytes with CRC 94 94 95 95 96 + 96 96 == 1.3 Features == 97 97 98 98 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -105,6 +105,7 @@ 105 105 * Support Interrupt uplink (Since hardware version v1.2) 106 106 107 107 109 + 108 108 == 1.4 Applications == 109 109 110 110 * Smart Buildings & Home Automation ... ... @@ -115,6 +115,7 @@ 115 115 * Smart Factory 116 116 117 117 120 + 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/]] ... ... @@ -325,11 +325,17 @@ 325 325 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 326 326 |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 327 327 |AT+CFGDEV|(% style="width:110px" %)((( 331 +((( 328 328 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 333 +))) 329 329 335 +((( 330 330 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 337 +))) 331 331 339 +((( 332 332 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 341 +))) 333 333 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 334 334 335 335 ... ... @@ -1111,29 +1111,29 @@ 1111 1111 ))) 1112 1112 1113 1113 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1114 -|=(% style="width: 1 61px;" %)(((1115 -**Command example :**1116 -)))|=(% style="width: 337px;" %)(((1123 +|=(% style="width: 100px;" %)((( 1124 +**Command example** 1125 +)))|=(% style="width: 400px;" %)((( 1117 1117 **Function** 1118 1118 ))) 1119 -|(% style="width:1 61px" %)(((1128 +|(% style="width:100px" %)((( 1120 1120 AT+RXMODE=1,10 1121 -)))|(% style="width: 337px" %)(((1130 +)))|(% style="width:400px" %)((( 1122 1122 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. 1123 1123 ))) 1124 -|(% style="width:1 61px" %)(((1133 +|(% style="width:100px" %)((( 1125 1125 AT+RXMODE=2,500 1126 -)))|(% style="width: 337px" %)(((1135 +)))|(% style="width:400px" %)((( 1127 1127 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 1128 1128 ))) 1129 -|(% style="width:1 61px" %)(((1138 +|(% style="width:100px" %)((( 1130 1130 AT+RXMODE=0,0 1131 -)))|(% style="width: 337px" %)(((1140 +)))|(% style="width:400px" %)((( 1132 1132 Disable listening mode. This is the default settings. 1133 1133 ))) 1134 -|(% style="width:1 61px" %)(((1143 +|(% style="width:100px" %)((( 1135 1135 1136 -)))|(% style="width: 337px" %)(((1145 +)))|(% style="width:400px" %)((( 1137 1137 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1138 1138 ))) 1139 1139 ... ... @@ -1182,8 +1182,10 @@ 1182 1182 ))) 1183 1183 1184 1184 ((( 1194 +((( 1185 1185 (% 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. 1186 1186 ))) 1197 +))) 1187 1187 1188 1188 1189 1189 == 3.7 Buttons == ... ... @@ -1195,6 +1195,7 @@ 1195 1195 |(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485 1196 1196 |(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1197 1197 1209 + 1198 1198 == 3.8 LEDs == 1199 1199 1200 1200 ... ... @@ -1254,7 +1254,9 @@ 1254 1254 ))) 1255 1255 1256 1256 1269 +((( 1257 1257 If device already joined network: 1271 +))) 1258 1258 1259 1259 (% class="box infomessage" %) 1260 1260 ((( ... ... @@ -1293,10 +1293,12 @@ 1293 1293 1294 1294 (% style="color:red" %)**Note:** 1295 1295 1310 +((( 1296 1296 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1297 1297 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1298 1298 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. 1299 1299 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 1315 +))) 1300 1300 1301 1301 [[image:1654162478620-421.png]] 1302 1302 ... ... @@ -1325,17 +1325,25 @@ 1325 1325 1326 1326 [[image:1654162535040-878.png]] 1327 1327 1344 +((( 1328 1328 **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]]. 1346 +))) 1329 1329 1348 +((( 1330 1330 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1350 +))) 1331 1331 1352 +((( 1332 1332 **Step3: **Open flashloader; choose the correct COM port to update. 1354 +))) 1333 1333 1334 1334 ((( 1335 1335 ((( 1358 +((( 1336 1336 (% 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. 1337 1337 ))) 1338 1338 ))) 1362 +))) 1339 1339 1340 1340 1341 1341 [[image:image-20220602175818-12.png]]