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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... ... @@ -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/]] ... ... @@ -325,13 +325,21 @@ 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 334 334 344 + 345 + 335 335 === 3.3.3 Configure read commands for each sampling === 336 336 337 337 ((( ... ... @@ -1109,29 +1109,29 @@ 1109 1109 ))) 1110 1110 1111 1111 (% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1112 -|=(% style="width: 1 61px;" %)(((1113 -**Command example :**1114 -)))|=(% style="width: 337px;" %)(((1123 +|=(% style="width: 100px;" %)((( 1124 +**Command example** 1125 +)))|=(% style="width: 400px;" %)((( 1115 1115 **Function** 1116 1116 ))) 1117 -|(% style="width:1 61px" %)(((1128 +|(% style="width:100px" %)((( 1118 1118 AT+RXMODE=1,10 1119 -)))|(% style="width: 337px" %)(((1130 +)))|(% style="width:400px" %)((( 1120 1120 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. 1121 1121 ))) 1122 -|(% style="width:1 61px" %)(((1133 +|(% style="width:100px" %)((( 1123 1123 AT+RXMODE=2,500 1124 -)))|(% style="width: 337px" %)(((1135 +)))|(% style="width:400px" %)((( 1125 1125 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 1126 1126 ))) 1127 -|(% style="width:1 61px" %)(((1138 +|(% style="width:100px" %)((( 1128 1128 AT+RXMODE=0,0 1129 -)))|(% style="width: 337px" %)(((1140 +)))|(% style="width:400px" %)((( 1130 1130 Disable listening mode. This is the default settings. 1131 1131 ))) 1132 -|(% style="width:1 61px" %)(((1143 +|(% style="width:100px" %)((( 1133 1133 1134 -)))|(% style="width: 337px" %)(((1145 +)))|(% style="width:400px" %)((( 1135 1135 A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1136 1136 ))) 1137 1137 ... ... @@ -1180,19 +1180,23 @@ 1180 1180 ))) 1181 1181 1182 1182 ((( 1194 +((( 1183 1183 (% 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. 1184 1184 ))) 1197 +))) 1185 1185 1186 1186 1187 1187 == 3.7 Buttons == 1188 1188 1189 1189 1190 -(% border="1" cellspacing="10" style="background-color:#f7faff; width:40 0px" %)1191 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 3 50px;" %)**Feature**1192 -|(% style="width:50px" %)**ACT**|(% style="width:3 50px" %)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**1193 -|(% style="width:50px" %)**RST**|(% style="width:3 50px" %)Reboot RS4851194 -|(% style="width:50px" %)**PRO**|(% style="width:3 50px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1203 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1204 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1205 +|(% 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** 1206 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1207 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1195 1195 1209 + 1210 + 1196 1196 == 3.8 LEDs == 1197 1197 1198 1198 ... ... @@ -1201,6 +1201,7 @@ 1201 1201 |**PWR**|Always on if there is power 1202 1202 |**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. 1203 1203 1219 + 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]] ... ... @@ -1252,7 +1252,9 @@ 1252 1252 ))) 1253 1253 1254 1254 1271 +((( 1255 1255 If device already joined network: 1273 +))) 1256 1256 1257 1257 (% class="box infomessage" %) 1258 1258 ((( ... ... @@ -1291,10 +1291,12 @@ 1291 1291 1292 1292 (% style="color:red" %)**Note:** 1293 1293 1312 +((( 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 1317 +))) 1298 1298 1299 1299 [[image:1654162478620-421.png]] 1300 1300 ... ... @@ -1323,17 +1323,25 @@ 1323 1323 1324 1324 [[image:1654162535040-878.png]] 1325 1325 1346 +((( 1326 1326 **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]]. 1348 +))) 1327 1327 1350 +((( 1328 1328 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1352 +))) 1329 1329 1354 +((( 1330 1330 **Step3: **Open flashloader; choose the correct COM port to update. 1356 +))) 1331 1331 1332 1332 ((( 1333 1333 ((( 1360 +((( 1334 1334 (% 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. 1335 1335 ))) 1336 1336 ))) 1364 +))) 1337 1337 1338 1338 1339 1339 [[image:image-20220602175818-12.png]]