Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.10 >
edited by Xiaoling
on 2022/06/06 11:22
To version < 59.4 >
edited by Xiaoling
on 2022/06/06 14:21
>
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
... ... @@ -114,6 +114,7 @@
114 114  * Smart Factory
115 115  
116 116  
120 +
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  (((
242 +(((
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  )))
245 +)))
240 240  
241 241  (((
248 +(((
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
250 +)))
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" %)(((
329 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
331 +)))
324 324  
333 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
335 +)))
326 326  
337 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
339 +)))
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  (((
... ... @@ -831,6 +831,7 @@
831 831  
832 832  
833 833  
844 +
834 834  ==== **RS485 command timeout** ====
835 835  
836 836  (((
... ... @@ -886,170 +886,318 @@
886 886  
887 887  
888 888  
900 +
889 889  ==== **Uplink payload mode** ====
890 890  
903 +(((
891 891  Define to use one uplink or multiple uplinks for the sampling.
905 +)))
892 892  
907 +(((
893 893  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
909 +)))
894 894  
895 -* **AT Command:**
911 +* (((
912 +**AT Command:**
913 +)))
896 896  
897 897  (% class="box infomessage" %)
898 898  (((
917 +(((
899 899  **AT+DATAUP=0**
900 900  )))
920 +)))
901 901  
902 902  (% class="box infomessage" %)
903 903  (((
924 +(((
904 904  **AT+DATAUP=1**
905 905  )))
927 +)))
906 906  
929 +(((
930 +
931 +)))
907 907  
908 -* **Downlink Payload:**
933 +* (((
934 +**Downlink Payload:**
935 +)))
909 909  
937 +(((
910 910  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
939 +)))
911 911  
941 +(((
912 912  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
943 +)))
913 913  
914 914  
915 915  
947 +
916 916  ==== **Manually trigger an Uplink** ====
917 917  
950 +(((
918 918  Ask device to send an uplink immediately.
952 +)))
919 919  
920 -* **AT Command:**
954 +* (((
955 +**AT Command:**
956 +)))
921 921  
958 +(((
922 922  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
960 +)))
923 923  
962 +(((
963 +
964 +)))
924 924  
925 -* **Downlink Payload:**
966 +* (((
967 +**Downlink Payload:**
968 +)))
926 926  
970 +(((
927 927  **0x08 FF**, RS485-LN will immediately send an uplink.
972 +)))
928 928  
929 929  
930 930  
976 +
931 931  ==== **Clear RS485 Command** ====
932 932  
979 +(((
933 933  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
981 +)))
934 934  
935 -* **AT Command:**
983 +* (((
984 +**AT Command:**
985 +)))
936 936  
987 +(((
937 937  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
989 +)))
938 938  
991 +(((
939 939  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
993 +)))
940 940  
995 +(((
941 941  Example screen shot after clear all RS485 commands. 
997 +)))
942 942  
999 +(((
1000 +
1001 +)))
943 943  
1003 +(((
944 944  The uplink screen shot is:
1005 +)))
945 945  
946 946  [[image:1654160691922-496.png]]
947 947  
948 948  
949 -* **Downlink Payload:**
1010 +* (((
1011 +**Downlink Payload:**
1012 +)))
950 950  
1014 +(((
951 951  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1016 +)))
952 952  
953 953  
954 954  
1020 +
955 955  ==== **Set Serial Communication Parameters** ====
956 956  
1023 +(((
957 957  Set the Rs485 serial communication parameters:
1025 +)))
958 958  
959 -* **AT Command:**
1027 +* (((
1028 +**AT Command:**
1029 +)))
960 960  
1031 +(((
961 961  Set Baud Rate:
1033 +)))
962 962  
963 963  (% class="box infomessage" %)
964 964  (((
1037 +(((
965 965  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
966 966  )))
1040 +)))
967 967  
1042 +(((
968 968  Set UART Parity
1044 +)))
969 969  
970 970  (% class="box infomessage" %)
971 971  (((
1048 +(((
972 972  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
973 973  )))
1051 +)))
974 974  
1053 +(((
975 975  Set STOPBIT
1055 +)))
976 976  
977 977  (% class="box infomessage" %)
978 978  (((
1059 +(((
979 979  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
980 980  )))
1062 +)))
981 981  
1064 +(((
1065 +
1066 +)))
982 982  
983 -* **Downlink Payload:**
1068 +* (((
1069 +**Downlink Payload:**
1070 +)))
984 984  
1072 +(((
985 985  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1074 +)))
986 986  
1076 +(((
987 987  **Example:**
1078 +)))
988 988  
989 -* A7 01 00 60   same as AT+BAUDR=9600
990 -* A7 01 04 80  same as AT+BAUDR=115200
1080 +* (((
1081 +A7 01 00 60   same as AT+BAUDR=9600
1082 +)))
1083 +* (((
1084 +A7 01 04 80  same as AT+BAUDR=115200
1085 +)))
991 991  
1087 +(((
992 992  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1089 +)))
993 993  
1091 +(((
994 994  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1093 +)))
995 995  
996 996  
1096 +
1097 +
997 997  == 3.6 Listening mode for RS485 network ==
998 998  
1100 +(((
999 999  This feature support since firmware v1.4
1102 +)))
1000 1000  
1104 +(((
1001 1001  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.
1106 +)))
1002 1002  
1003 1003  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1004 1004  
1110 +(((
1005 1005  To enable the listening mode, use can run the command AT+RXMODE.
1112 +)))
1006 1006  
1114 +(((
1115 +
1116 +)))
1007 1007  
1008 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1009 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1010 -|(% 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.
1011 -|(% 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
1012 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1013 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1118 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1119 +|=(% style="width: 100px;" %)(((
1120 +**Command example**
1121 +)))|=(% style="width: 400px;" %)(((
1122 +**Function**
1123 +)))
1124 +|(% style="width:100px" %)(((
1125 +AT+RXMODE=1,10
1126 +)))|(% style="width:400px" %)(((
1127 +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.
1128 +)))
1129 +|(% style="width:100px" %)(((
1130 +AT+RXMODE=2,500
1131 +)))|(% style="width:400px" %)(((
1132 +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
1133 +)))
1134 +|(% style="width:100px" %)(((
1135 +AT+RXMODE=0,0
1136 +)))|(% style="width:400px" %)(((
1137 +Disable listening mode. This is the default settings.
1138 +)))
1139 +|(% style="width:100px" %)(((
1140 +
1141 +)))|(% style="width:400px" %)(((
1142 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1143 +)))
1014 1014  
1145 +(((
1015 1015  **Downlink Command:**
1147 +)))
1016 1016  
1149 +(((
1017 1017  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1151 +)))
1018 1018  
1153 +(((
1154 +
1155 +)))
1019 1019  
1157 +(((
1020 1020  **Example**:
1159 +)))
1021 1021  
1161 +(((
1022 1022  The RS485-LN is set to AT+RXMODE=2,1000
1163 +)))
1023 1023  
1165 +(((
1024 1024  There is a two Modbus commands in the RS485 network as below:
1167 +)))
1025 1025  
1169 +(((
1026 1026  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1171 +)))
1027 1027  
1173 +(((
1028 1028  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1175 +)))
1029 1029  
1177 +(((
1030 1030  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
1179 +)))
1031 1031  
1181 +(((
1032 1032  [[image:image-20220602171200-9.png]]
1183 +)))
1033 1033  
1185 +(((
1186 +
1187 +)))
1034 1034  
1189 +(((
1190 +(((
1035 1035  (% 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.
1192 +)))
1193 +)))
1036 1036  
1037 1037  
1038 1038  == 3.7 Buttons ==
1039 1039  
1040 1040  
1041 -(% border="1" style="background-color:#f7faff; width:500px" %)
1042 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1043 -|**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**
1044 -|**RST**|(% style="width:1420px" %)Reboot RS485
1045 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1199 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1200 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1201 +|(% 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**
1202 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1203 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1046 1046  
1047 1047  == 3.8 LEDs ==
1048 1048  
1049 -(% border="1" style="background-color:#f7faff; width:500px" %)
1050 -|=**LEDs**|=**Feature**
1207 +
1208 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1209 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1051 1051  |**PWR**|Always on if there is power
1052 -|**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.
1211 +|**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.
1053 1053  
1054 1054  = 4. Case Study =
1055 1055  
... ... @@ -1060,19 +1060,26 @@
1060 1060  
1061 1061  == 5.1 Access AT Command ==
1062 1062  
1222 +(((
1063 1063  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.
1224 +)))
1064 1064  
1065 1065  [[image:1654162355560-817.png]]
1066 1066  
1067 1067  
1229 +(((
1068 1068  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:
1231 +)))
1069 1069  
1070 1070  [[image:1654162368066-342.png]]
1071 1071  
1072 1072  
1236 +(((
1073 1073  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/]]
1238 +)))
1074 1074  
1075 1075  
1241 +
1076 1076  == 5.2 Common AT Command Sequence ==
1077 1077  
1078 1078  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1095,7 +1095,9 @@
1095 1095  )))
1096 1096  
1097 1097  
1264 +(((
1098 1098  If device already joined network:
1266 +)))
1099 1099  
1100 1100  (% class="box infomessage" %)
1101 1101  (((
... ... @@ -1134,10 +1134,12 @@
1134 1134  
1135 1135  (% style="color:red" %)**Note:**
1136 1136  
1305 +(((
1137 1137  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1138 1138  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1139 1139  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.
1140 1140  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
1310 +)))
1141 1141  
1142 1142  [[image:1654162478620-421.png]]
1143 1143  
... ... @@ -1146,25 +1146,45 @@
1146 1146  
1147 1147  == 6.1 How to upgrade the image? ==
1148 1148  
1319 +(((
1149 1149  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1321 +)))
1150 1150  
1151 -* Support new features
1152 -* For bug fix
1153 -* Change LoRaWAN bands.
1323 +* (((
1324 +Support new features
1325 +)))
1326 +* (((
1327 +For bug fix
1328 +)))
1329 +* (((
1330 +Change LoRaWAN bands.
1331 +)))
1154 1154  
1333 +(((
1155 1155  Below shows the hardware connection for how to upload an image to RS485-LN:
1335 +)))
1156 1156  
1157 1157  [[image:1654162535040-878.png]]
1158 1158  
1339 +(((
1159 1159  **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]].
1341 +)))
1160 1160  
1343 +(((
1161 1161  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1345 +)))
1162 1162  
1347 +(((
1163 1163  **Step3: **Open flashloader; choose the correct COM port to update.
1349 +)))
1164 1164  
1165 1165  (((
1352 +(((
1353 +(((
1166 1166  (% 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.
1167 1167  )))
1356 +)))
1357 +)))
1168 1168  
1169 1169  
1170 1170  [[image:image-20220602175818-12.png]]
... ... @@ -1227,7 +1227,6 @@
1227 1227  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1228 1228  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1229 1229  
1230 -
1231 1231  = 9.Packing Info =
1232 1232  
1233 1233  
... ... @@ -1244,7 +1244,6 @@
1244 1244  * Package Size / pcs : 14.5 x 8 x 5 cm
1245 1245  * Weight / pcs : 170g
1246 1246  
1247 -
1248 1248  = 10. FCC Caution for RS485LN-US915 =
1249 1249  
1250 1250  (((

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