Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.16 >
edited by Xiaoling
on 2022/06/06 11:23
To version < 59.3 >
edited by Xiaoling
on 2022/06/06 14:20
>
Change comment: There is no comment for this version

Summary

Details

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Content
... ... @@ -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  
95 +
96 +
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  
109 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
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/]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
240 +(((
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  )))
243 +)))
240 240  
241 241  (((
246 +(((
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
248 +)))
243 243  
244 244  
245 245  )))
... ... @@ -307,8 +307,6 @@
307 307  )))
308 308  )))
309 309  
310 -
311 -
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" %)(((
327 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
329 +)))
324 324  
331 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
333 +)))
326 326  
335 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
337 +)))
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  (((
... ... @@ -937,16 +937,29 @@
937 937  
938 938  ==== **Manually trigger an Uplink** ====
939 939  
948 +(((
940 940  Ask device to send an uplink immediately.
950 +)))
941 941  
942 -* **AT Command:**
952 +* (((
953 +**AT Command:**
954 +)))
943 943  
956 +(((
944 944  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
958 +)))
945 945  
960 +(((
961 +
962 +)))
946 946  
947 -* **Downlink Payload:**
964 +* (((
965 +**Downlink Payload:**
966 +)))
948 948  
968 +(((
949 949  **0x08 FF**, RS485-LN will immediately send an uplink.
970 +)))
950 950  
951 951  
952 952  
... ... @@ -984,9 +984,13 @@
984 984  [[image:1654160691922-496.png]]
985 985  
986 986  
987 -* **Downlink Payload:**
1008 +* (((
1009 +**Downlink Payload:**
1010 +)))
988 988  
1012 +(((
989 989  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1014 +)))
990 990  
991 991  
992 992  
... ... @@ -993,102 +993,195 @@
993 993  
994 994  ==== **Set Serial Communication Parameters** ====
995 995  
1021 +(((
996 996  Set the Rs485 serial communication parameters:
1023 +)))
997 997  
998 -* **AT Command:**
1025 +* (((
1026 +**AT Command:**
1027 +)))
999 999  
1029 +(((
1000 1000  Set Baud Rate:
1031 +)))
1001 1001  
1002 1002  (% class="box infomessage" %)
1003 1003  (((
1035 +(((
1004 1004  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1005 1005  )))
1038 +)))
1006 1006  
1040 +(((
1007 1007  Set UART Parity
1042 +)))
1008 1008  
1009 1009  (% class="box infomessage" %)
1010 1010  (((
1046 +(((
1011 1011  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1012 1012  )))
1049 +)))
1013 1013  
1051 +(((
1014 1014  Set STOPBIT
1053 +)))
1015 1015  
1016 1016  (% class="box infomessage" %)
1017 1017  (((
1057 +(((
1018 1018  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1019 1019  )))
1060 +)))
1020 1020  
1062 +(((
1063 +
1064 +)))
1021 1021  
1022 -* **Downlink Payload:**
1066 +* (((
1067 +**Downlink Payload:**
1068 +)))
1023 1023  
1070 +(((
1024 1024  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1072 +)))
1025 1025  
1074 +(((
1026 1026  **Example:**
1076 +)))
1027 1027  
1028 -* A7 01 00 60   same as AT+BAUDR=9600
1029 -* A7 01 04 80  same as AT+BAUDR=115200
1078 +* (((
1079 +A7 01 00 60   same as AT+BAUDR=9600
1080 +)))
1081 +* (((
1082 +A7 01 04 80  same as AT+BAUDR=115200
1083 +)))
1030 1030  
1085 +(((
1031 1031  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1087 +)))
1032 1032  
1089 +(((
1033 1033  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1091 +)))
1034 1034  
1035 1035  
1094 +
1095 +
1036 1036  == 3.6 Listening mode for RS485 network ==
1037 1037  
1098 +(((
1038 1038  This feature support since firmware v1.4
1100 +)))
1039 1039  
1102 +(((
1040 1040  RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
1104 +)))
1041 1041  
1042 1042  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1043 1043  
1108 +(((
1044 1044  To enable the listening mode, use can run the command AT+RXMODE.
1110 +)))
1045 1045  
1112 +(((
1113 +
1114 +)))
1046 1046  
1047 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1048 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1049 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
1050 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
1051 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1052 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1116 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1117 +|=(% style="width: 100px;" %)(((
1118 +**Command example**
1119 +)))|=(% style="width: 400px;" %)(((
1120 +**Function**
1121 +)))
1122 +|(% style="width:100px" %)(((
1123 +AT+RXMODE=1,10
1124 +)))|(% style="width:400px" %)(((
1125 +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.
1126 +)))
1127 +|(% style="width:100px" %)(((
1128 +AT+RXMODE=2,500
1129 +)))|(% style="width:400px" %)(((
1130 +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
1131 +)))
1132 +|(% style="width:100px" %)(((
1133 +AT+RXMODE=0,0
1134 +)))|(% style="width:400px" %)(((
1135 +Disable listening mode. This is the default settings.
1136 +)))
1137 +|(% style="width:100px" %)(((
1138 +
1139 +)))|(% style="width:400px" %)(((
1140 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
1053 1053  
1143 +(((
1054 1054  **Downlink Command:**
1145 +)))
1055 1055  
1147 +(((
1056 1056  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1149 +)))
1057 1057  
1151 +(((
1152 +
1153 +)))
1058 1058  
1155 +(((
1059 1059  **Example**:
1157 +)))
1060 1060  
1159 +(((
1061 1061  The RS485-LN is set to AT+RXMODE=2,1000
1161 +)))
1062 1062  
1163 +(((
1063 1063  There is a two Modbus commands in the RS485 network as below:
1165 +)))
1064 1064  
1167 +(((
1065 1065  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1169 +)))
1066 1066  
1171 +(((
1067 1067  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1173 +)))
1068 1068  
1175 +(((
1069 1069  RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1177 +)))
1070 1070  
1179 +(((
1071 1071  [[image:image-20220602171200-9.png]]
1181 +)))
1072 1072  
1183 +(((
1184 +
1185 +)))
1073 1073  
1187 +(((
1188 +(((
1074 1074  (% 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.
1190 +)))
1191 +)))
1075 1075  
1076 1076  
1077 1077  == 3.7 Buttons ==
1078 1078  
1079 1079  
1080 -(% border="1" style="background-color:#f7faff; width:500px" %)
1081 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1082 -|**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**
1083 -|**RST**|(% style="width:1420px" %)Reboot RS485
1084 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1197 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1198 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1199 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1200 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1201 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1085 1085  
1086 1086  == 3.8 LEDs ==
1087 1087  
1088 -(% border="1" style="background-color:#f7faff; width:500px" %)
1089 -|=**LEDs**|=**Feature**
1205 +
1206 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1207 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1090 1090  |**PWR**|Always on if there is power
1091 -|**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.
1209 +|**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.
1092 1092  
1093 1093  = 4. Case Study =
1094 1094  
... ... @@ -1099,19 +1099,26 @@
1099 1099  
1100 1100  == 5.1 Access AT Command ==
1101 1101  
1220 +(((
1102 1102  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.
1222 +)))
1103 1103  
1104 1104  [[image:1654162355560-817.png]]
1105 1105  
1106 1106  
1227 +(((
1107 1107  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:
1229 +)))
1108 1108  
1109 1109  [[image:1654162368066-342.png]]
1110 1110  
1111 1111  
1234 +(((
1112 1112  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/]]
1236 +)))
1113 1113  
1114 1114  
1239 +
1115 1115  == 5.2 Common AT Command Sequence ==
1116 1116  
1117 1117  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1134,7 +1134,9 @@
1134 1134  )))
1135 1135  
1136 1136  
1262 +(((
1137 1137  If device already joined network:
1264 +)))
1138 1138  
1139 1139  (% class="box infomessage" %)
1140 1140  (((
... ... @@ -1173,10 +1173,12 @@
1173 1173  
1174 1174  (% style="color:red" %)**Note:**
1175 1175  
1303 +(((
1176 1176  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1177 1177  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1178 1178  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.
1179 1179  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 +)))
1180 1180  
1181 1181  [[image:1654162478620-421.png]]
1182 1182  
... ... @@ -1185,25 +1185,45 @@
1185 1185  
1186 1186  == 6.1 How to upgrade the image? ==
1187 1187  
1317 +(((
1188 1188  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1319 +)))
1189 1189  
1190 -* Support new features
1191 -* For bug fix
1192 -* Change LoRaWAN bands.
1321 +* (((
1322 +Support new features
1323 +)))
1324 +* (((
1325 +For bug fix
1326 +)))
1327 +* (((
1328 +Change LoRaWAN bands.
1329 +)))
1193 1193  
1331 +(((
1194 1194  Below shows the hardware connection for how to upload an image to RS485-LN:
1333 +)))
1195 1195  
1196 1196  [[image:1654162535040-878.png]]
1197 1197  
1337 +(((
1198 1198  **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 +)))
1199 1199  
1341 +(((
1200 1200  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1343 +)))
1201 1201  
1345 +(((
1202 1202  **Step3: **Open flashloader; choose the correct COM port to update.
1347 +)))
1203 1203  
1204 1204  (((
1350 +(((
1351 +(((
1205 1205  (% 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.
1206 1206  )))
1354 +)))
1355 +)))
1207 1207  
1208 1208  
1209 1209  [[image:image-20220602175818-12.png]]
... ... @@ -1266,7 +1266,6 @@
1266 1266  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1267 1267  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1268 1268  
1269 -
1270 1270  = 9.Packing Info =
1271 1271  
1272 1272  
... ... @@ -1283,7 +1283,6 @@
1283 1283  * Package Size / pcs : 14.5 x 8 x 5 cm
1284 1284  * Weight / pcs : 170g
1285 1285  
1286 -
1287 1287  = 10. FCC Caution for RS485LN-US915 =
1288 1288  
1289 1289  (((

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