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Last modified by Xiaoling on 2025/04/23 15:57
From version 32.1
edited by Xiaoling
on 2022/06/02 09:39
Change comment: Uploaded new attachment "1654133954153-643.png", version {1}
To version 40.5
edited by Xiaoling
on 2022/06/02 11:03
Change comment: There is no comment for this version

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... ... @@ -915,13 +915,12 @@
915 915  
916 916  **AT+MBFUN has only two value:**
917 917  
918 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
918 +* **AT+MBFUN=1**: Enable Modbus reading. And get response base on the MODBUS return
919 919  
920 920  AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
921 921  
922 -* AT+MBFUN=0: Disable Modbus fast reading.
922 +* **AT+MBFUN=0**: Disable Modbus fast reading.
923 923  
924 -
925 925  **Example:**
926 926  
927 927  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -931,121 +931,139 @@
931 931  [[image:1654133913295-597.png]]
932 932  
933 933  
934 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
933 +[[image:1654133954153-643.png]]
935 935  
936 936  
937 -* Downlink Commands:
936 +* **Downlink Commands:**
938 938  
939 -A9 aa -à Same as AT+MBFUN=aa
938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa
940 940  
941 941  
942 -==== RS485 command timeout ====
943 943  
942 +==== **RS485 command timeout** ====
943 +
944 944  Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
945 945  
946 946  Default value: 0, range:  0 ~~ 5 seconds
947 947  
948 948  
949 -* AT Command:
949 +* **AT Command:**
950 950  
951 -AT+CMDDLaa=hex(bb cc)
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+CMDDLaa=hex(bb cc)**
954 +)))
952 952  
953 -Example:
956 +**Example:**
954 954  
955 955  **AT+CMDDL1=1000** to send the open time to 1000ms
956 956  
957 957  
958 -* Downlink Payload:
961 +* **Downlink Payload:**
959 959  
960 960  0x AA aa bb cc
961 961  
962 962  Same as: AT+CMDDLaa=hex(bb cc)
963 963  
964 - Example:
967 + **Example:**
965 965  
966 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
969 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
967 967  
968 968  
969 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
970 970  
973 +==== **Uplink payload mode** ====
974 +
971 971  Define to use one uplink or multiple uplinks for the sampling.
972 972  
973 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
977 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
974 974  
975 -* AT Command:
979 +* **AT Command:**
976 976  
977 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
978 978  
979 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
980 980  
981 981  
982 -* Downlink Payload:
992 +* **Downlink Payload:**
983 983  
984 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
985 985  
986 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
987 987  
988 988  
989 -==== Manually trigger an Uplink ====
990 990  
1000 +==== **Manually trigger an Uplink** ====
1001 +
991 991  Ask device to send an uplink immediately.
992 992  
993 -* Downlink Payload:
1004 +* **Downlink Payload:**
994 994  
995 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
996 996  
997 997  
998 -==== Clear RS485 Command ====
999 999  
1010 +==== **Clear RS485 Command** ====
1011 +
1000 1000  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1001 1001  
1002 1002  
1003 -* AT Command:
1015 +* **AT Command:**
1004 1004  
1005 -**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1017 +(% style="color:#037691" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1006 1006  
1007 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1008 -
1009 1009  Example screen shot after clear all RS485 commands. 
1010 1010  
1011 1011  
1012 -
1013 1013  The uplink screen shot is:
1014 1014  
1015 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
1016 1016  
1017 1017  
1018 -* Downlink Payload:
1027 +* **Downlink Payload:**
1019 1019  
1020 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1021 1021  
1022 1022  
1023 -==== Set Serial Communication Parameters ====
1024 1024  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1025 1025  Set the Rs485 serial communication parameters:
1026 1026  
1027 -* AT Command:
1037 +* **AT Command:**
1028 1028  
1029 1029  Set Baud Rate:
1030 1030  
1031 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1041 +(% class="box infomessage" %)
1042 +(((
1043 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1044 +)))
1032 1032  
1046 +Set UART Parity
1033 1033  
1034 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1035 1035  
1036 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1037 -
1038 -
1039 1039  Set STOPBIT
1040 1040  
1041 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1055 +(% class="box infomessage" %)
1056 +(((
1057 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1058 +)))
1042 1042  
1043 1043  
1044 -* Downlink Payload:
1061 +* **Downlink Payload:**
1045 1045  
1046 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1047 1047  
1048 -Example:
1065 +**Example:**
1049 1049  
1050 1050  * A7 01 00 60   same as AT+BAUDR=9600
1051 1051  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1055,180 +1055,188 @@
1055 1055  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1056 1056  
1057 1057  
1058 -==== Control output power duration ====
1059 1059  
1076 +==== **Control output power duration** ====
1077 +
1060 1060  User can set the output power duration before each sampling.
1061 1061  
1062 -* AT Command:
1080 +* **AT Command:**
1063 1063  
1064 -Example:
1082 +**Example:**
1065 1065  
1066 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1084 +**AT+3V3T=1000**  ~/~/ 3V3 output power will open 1s before each sampling.
1067 1067  
1068 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1086 +**AT+5VT=1000**  ~/~/ +5V output power will open 1s before each sampling.
1069 1069  
1070 1070  
1071 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1072 1072  
1073 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1074 1074  
1075 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1076 1076  
1077 1077  
1096 +== 3.6 Buttons ==
1078 1078  
1098 +(% border="1" style="background-color:#ffffcc; color:green; width:233px" %)
1099 +|=(% style="width: 89px;" %)**Button**|=(% style="width: 141px;" %)**Feature**
1100 +|(% style="width:89px" %)**RST**|(% style="width:141px" %)Reboot RS485-BL
1079 1079  
1080 -1.
1081 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1082 1082  
1083 -|**Button**|**Feature**
1084 -|**RST**|Reboot RS485-BL
1085 -
1086 -1.
1087 -11. +3V3 Output
1088 -
1089 1089  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1090 1090  
1091 1091  The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1092 1092  
1093 -
1094 1094  The +3V3 output time can be controlled by AT Command.
1095 1095  
1096 -**AT+3V3T=1000**
1097 1097  
1098 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1111 +(% style="color:#037691" %)**AT+3V3T=1000**
1099 1099  
1100 1100  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1101 1101  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1102 1102  
1103 1103  
1104 -1.
1105 -11. +5V Output
1119 +== 3.8 +5V Output ==
1106 1106  
1107 1107  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1108 1108  
1109 1109  The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
1110 1110  
1111 -
1112 1112  The 5V output time can be controlled by AT Command.
1113 1113  
1114 -**AT+5VT=1000**
1115 1115  
1116 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1128 +(% style="color:#037691" %)**AT+5VT=1000**
1117 1117  
1118 1118  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1119 1119  By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
1120 1120  
1121 1121  
1136 +== 3.9 LEDs ==
1122 1122  
1138 +(% border="1" style="background-color:#ffffcc; color:green; width:332px" %)
1139 +|=**LEDs**|=(% style="width: 274px;" %)**Feature**
1140 +|**LED1**|(% style="width:274px" %)Blink when device transmit a packet.
1123 1123  
1124 -1.
1125 -11. LEDs
1142 +== 3.10 Switch Jumper ==
1126 1126  
1127 -|**LEDs**|**Feature**
1128 -|**LED1**|Blink when device transmit a packet.
1129 -
1130 -1.
1131 -11. Switch Jumper
1132 -
1133 -|**Switch Jumper**|**Feature**
1134 -|**SW1**|(((
1144 +(% border="1" style="background-color:#ffffcc; color:green; width:515px" %)
1145 +|=(% style="width: 124px;" %)**Switch Jumper**|=(% style="width: 388px;" %)**Feature**
1146 +|(% style="width:124px" %)**SW1**|(% style="width:388px" %)(((
1135 1135  ISP position: Upgrade firmware via UART
1136 1136  
1137 1137  Flash position: Configure device, check running status.
1138 1138  )))
1139 -|**SW2**|(((
1151 +|(% style="width:124px" %)**SW2**|(% style="width:388px" %)(((
1140 1140  5V position: set to compatible with 5v I/O.
1141 1141  
1142 1142  3.3v position: set to compatible with 3.3v I/O.,
1143 1143  )))
1144 1144  
1145 -+3.3V: is always ON
1157 +**+3.3V**: is always ON
1146 1146  
1147 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1159 +**+5V**: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1148 1148  
1149 -1. Case Study
1150 1150  
1151 -User can check this URL for some case studies.
1162 += 4. Case Study =
1152 1152  
1153 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1164 +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]]
1154 1154  
1155 1155  
1167 += 5. Use AT Command =
1156 1156  
1169 +== 5.1 Access AT Command ==
1157 1157  
1158 -1. Use AT Command
1159 -11. Access AT Command
1160 -
1161 1161  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.
1162 1162  
1163 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1173 +[[image:1654135840598-282.png]]
1164 1164  
1165 1165  
1166 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1176 +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:
1167 1167  
1168 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1178 +[[image:1654136105500-922.png]]
1169 1169  
1170 1170  
1181 +More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1171 1171  
1172 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1173 1173  
1184 +== 5.2 Common AT Command Sequence ==
1174 1174  
1186 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1175 1175  
1176 -1.
1177 -11. Common AT Command Sequence
1178 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1179 -
1180 1180  If device has not joined network yet:
1181 1181  
1182 -AT+FDR
1190 +(% class="box infomessage" %)
1191 +(((
1192 +**AT+FDR**
1193 +)))
1183 1183  
1184 -AT+NJM=0
1195 +(% class="box infomessage" %)
1196 +(((
1197 +**AT+NJM=0**
1198 +)))
1185 1185  
1186 -ATZ
1200 +(% class="box infomessage" %)
1201 +(((
1202 +**ATZ**
1203 +)))
1187 1187  
1188 1188  
1189 1189  If device already joined network:
1190 1190  
1191 -AT+NJM=0
1208 +(% class="box infomessage" %)
1209 +(((
1210 +**AT+NJM=0**
1211 +)))
1192 1192  
1193 -ATZ
1213 +(% class="box infomessage" %)
1214 +(((
1215 +**ATZ**
1216 +)))
1194 1194  
1195 -1.
1196 -11.
1197 -111. Single-channel ABP mode (Use with LG01/LG02)
1198 1198  
1199 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1219 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1200 1200  
1201 -AT+NJM=0 Set to ABP mode
1202 1202  
1203 -AT+ADR=0 Set the Adaptive Data Rate Off
1222 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1204 1204  
1205 -AT+DR=5  Set Data Rate
1224 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1206 1206  
1207 -AT+TDC=60000  Set transmit interval to 60 seconds
1226 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1208 1208  
1209 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1228 +(% style="background-color:#dcdcdc" %)**AT+DR=5**  (%%)Set Data Rate
1210 1210  
1211 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1230 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1212 1212  
1213 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1232 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1214 1214  
1215 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1234 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1216 1216  
1217 -ATZ          Reset MCU
1236 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1218 1218  
1219 -**Note:**
1238 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1220 1220  
1221 -1. Make sure the device is set to ABP mode in the IoT Server.
1222 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1223 -1. 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.
1224 -1. 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
1240 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1225 1225  
1226 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1227 1227  
1243 +(% style="color:red" %)**Note:**
1228 1228  
1229 -1. FAQ
1230 -11. How to upgrade the image?
1245 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1246 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1247 +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.
1248 +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
1231 1231  
1250 +[[image:1654136435598-589.png]]
1251 +
1252 +
1253 += 6. FAQ =
1254 +
1255 +== 6.1 How to upgrade the image? ==
1256 +
1232 1232  The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1233 1233  
1234 1234  * Support new features
... ... @@ -1237,7 +1237,7 @@
1237 1237  
1238 1238  Below shows the hardware connection for how to upload an image to RS485-BL:
1239 1239  
1240 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1265 +[[image:1654136646995-976.png]]
1241 1241  
1242 1242  **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]].
1243 1243  
... ... @@ -1245,97 +1245,92 @@
1245 1245  
1246 1246  **Step3: **Open flashloader; choose the correct COM port to update.
1247 1247  
1273 +[[image:image-20220602102605-1.png]]
1248 1248  
1249 -|(((
1250 -HOLD PRO then press the RST button, SYS will be ON, then click next
1251 -)))
1252 1252  
1253 -|(((
1254 -Board detected
1255 -)))
1276 +[[image:image-20220602102637-2.png]]
1256 1256  
1257 -|(((
1258 -
1259 -)))
1260 1260  
1261 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1279 +[[image:image-20220602102715-3.png]]
1262 1262  
1263 1263  
1264 1264  
1265 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1283 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1266 1266  
1285 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1267 1267  
1268 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1269 1269  
1270 1270  
1271 -1.
1272 -11. How to change the LoRa Frequency Bands/Region?
1289 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1273 1273  
1274 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1291 +The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1275 1275  
1276 1276  
1277 1277  
1278 -1.
1279 -11. How many RS485-Slave can RS485-BL connects?
1295 += 7. Trouble Shooting =
1280 1280  
1281 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1282 1282  
1298 +== 7.1 Downlink doesn’t work, how to solve it? ==
1283 1283  
1300 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1284 1284  
1285 1285  
1286 -1. Trouble Shooting     
1287 -11. Downlink doesn’t work, how to solve it?
1303 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1288 1288  
1289 -Please see this link for debug:
1305 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1290 1290  
1291 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1292 1292  
1308 += 8. Order Info =
1293 1293  
1310 +(% style="color:blue" %)**Part Number: RS485-BL-XXX**
1294 1294  
1295 -1.
1296 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1312 +(% style="color:blue" %)**XXX:**
1297 1297  
1298 -It might about the channels mapping. Please see for detail.
1314 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1315 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1316 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1317 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1318 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1319 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1320 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1321 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1322 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1323 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1299 1299  
1300 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1325 += 9. Packing Info =
1301 1301  
1302 -
1303 -
1304 -1. Order Info
1305 -
1306 -**Part Number: RS485-BL-XXX**
1307 -
1308 -**XXX:**
1309 -
1310 -* **EU433**: frequency bands EU433
1311 -* **EU868**: frequency bands EU868
1312 -* **KR920**: frequency bands KR920
1313 -* **CN470**: frequency bands CN470
1314 -* **AS923**: frequency bands AS923
1315 -* **AU915**: frequency bands AU915
1316 -* **US915**: frequency bands US915
1317 -* **IN865**: frequency bands IN865
1318 -* **RU864**: frequency bands RU864
1319 -* **KZ865: **frequency bands KZ865
1320 -
1321 -1. Packing Info
1322 -
1327 +(((
1323 1323  **Package Includes**:
1329 +)))
1324 1324  
1325 -* RS485-BL x 1
1326 -* Stick Antenna for LoRa RF part x 1
1327 -* Program cable x 1
1331 +* (((
1332 +RS485-BL x 1
1333 +)))
1334 +* (((
1335 +Stick Antenna for LoRa RF part x 1
1336 +)))
1337 +* (((
1338 +Program cable x 1
1339 +)))
1328 1328  
1341 +(((
1329 1329  **Dimension and weight**:
1343 +)))
1330 1330  
1331 -* Device Size: 13.5 x 7 x 3 cm
1332 -* Device Weight: 105g
1333 -* Package Size / pcs : 14.5 x 8 x 5 cm
1334 -* Weight / pcs : 170g
1345 +* (((
1346 +Device Size: 13.5 x 7 x 3 cm
1347 +)))
1348 +* (((
1349 +Device Weight: 105g
1350 +)))
1351 +* (((
1352 +Package Size / pcs : 14.5 x 8 x 5 cm
1353 +)))
1354 +* (((
1355 +Weight / pcs : 170g
1356 +)))
1335 1335  
1336 -1. Support
1358 += 10. Support =
1337 1337  
1338 1338  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1339 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1340 -
1341 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1361 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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