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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.43
edited by Xiaoling
on 2022/06/02 09:15
Change comment: There is no comment for this version
To version 33.6
edited by Xiaoling
on 2022/06/02 10:04
Change comment: There is no comment for this version

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... ... @@ -743,7 +743,6 @@
743 743  
744 744  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL.  User can see these commands below:
745 745  
746 -
747 747  === 3.5.1 Common Commands: ===
748 748  
749 749  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
... ... @@ -751,7 +751,6 @@
751 751  
752 752  === 3.5.2 Sensor related commands: ===
753 753  
754 -(% class="wikigeneratedid" %)
755 755  ==== ====
756 756  
757 757  ==== **Choose Device Type (RS485 or TTL)** ====
... ... @@ -760,9 +760,15 @@
760 760  
761 761  * **AT Command**
762 762  
761 +(% class="box infomessage" %)
762 +(((
763 763  **AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
764 +)))
764 764  
766 +(% class="box infomessage" %)
767 +(((
765 765  **AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
769 +)))
766 766  
767 767  
768 768  * **Downlink Payload**
... ... @@ -777,7 +777,10 @@
777 777  
778 778  * **AT Command**
779 779  
780 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
784 +(% class="box infomessage" %)
785 +(((
786 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
787 +)))
781 781  
782 782  m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
783 783  
... ... @@ -797,15 +797,15 @@
797 797  
798 798  To connect a Modbus Alarm with below commands.
799 799  
800 -* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
807 +* The command to active alarm is: 0A 05 00 04 00 01 **4C B0**. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
801 801  
802 -* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
809 +* The command to deactivate alarm is: 0A 05 00 04 00 00 **8D 70**. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
803 803  
804 804  So if user want to use downlink command to control to RS485 Alarm, he can use:
805 805  
806 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
813 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
807 807  
808 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
815 +(% style="color:#037691" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
809 809  
810 810  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
811 811  
... ... @@ -814,48 +814,60 @@
814 814  
815 815  Check TTL Sensor return:
816 816  
817 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
824 +[[image:1654132684752-193.png]]
818 818  
819 819  
820 820  
828 +==== **Set Payload version** ====
821 821  
822 -==== Set Payload version ====
823 -
824 824  This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
825 825  
826 -* AT Command:
832 +* **AT Command:**
827 827  
828 -AT+PAYVER: Set PAYVER field = 1
834 +(% class="box infomessage" %)
835 +(((
836 +**AT+PAYVER: Set PAYVER field = 1**
837 +)))
829 829  
830 830  
831 -* Downlink Payload:
840 +* **Downlink Payload:**
832 832  
833 -0xAE 01   à Set PAYVER field =  0x01
842 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
834 834  
835 -0xAE 0F   à Set PAYVER field =  0x0F
844 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
836 836  
837 837  
838 -==== Set RS485 Sampling Commands ====
839 839  
848 +==== **Set RS485 Sampling Commands** ====
849 +
840 840  AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
841 841  
842 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
852 +These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
843 843  
844 844  
845 -* AT Command:
855 +* **AT Command:**
846 846  
847 -AT+COMMANDx: Configure RS485 read command to sensor.
857 +(% class="box infomessage" %)
858 +(((
859 +**AT+COMMANDx: Configure RS485 read command to sensor.**
860 +)))
848 848  
849 -AT+DATACUTx: Configure how to handle return from RS485 devices.
862 +(% class="box infomessage" %)
863 +(((
864 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
865 +)))
850 850  
851 -AT+SEARCHx: Configure search command
867 +(% class="box infomessage" %)
868 +(((
869 +**AT+SEARCHx: Configure search command**
870 +)))
852 852  
853 853  
854 -* Downlink Payload:
873 +* **Downlink Payload:**
855 855  
856 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
875 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
857 857  
858 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
877 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
859 859  
860 860  Format: AF MM NN LL XX XX XX XX YY
861 861  
... ... @@ -862,23 +862,23 @@
862 862  Where:
863 863  
864 864  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
865 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
866 -* LL: The length of AT+COMMAND or AT+DATACUT command
884 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
885 +* LL:  The length of AT+COMMAND or AT+DATACUT command
867 867  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
868 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
887 +* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
869 869  
870 -Example:
889 +**Example:**
871 871  
872 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
891 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
873 873  
874 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
893 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
875 875  
876 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
895 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
877 877  
878 878  
879 -0xAB downlink command can be used for set AT+SEARCHx
898 +**0xAB** downlink command can be used for set AT+SEARCHx
880 880  
881 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
900 +**Example:** **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
882 882  
883 883  * AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
884 884  * AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
... ... @@ -886,145 +886,164 @@
886 886  **AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
887 887  
888 888  
889 -==== Fast command to handle MODBUS device ====
890 890  
909 +==== **Fast command to handle MODBUS device** ====
910 +
891 891  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
892 892  
893 893  This command is valid since v1.3 firmware version
894 894  
895 895  
896 -AT+MBFUN has only two value:
916 +**AT+MBFUN has only two value:**
897 897  
898 -* 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
899 899  
900 900  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.
901 901  
902 -* AT+MBFUN=0: Disable Modbus fast reading.
922 +* **AT+MBFUN=0**: Disable Modbus fast reading.
903 903  
904 -Example:
924 +**Example:**
905 905  
906 906  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
907 907  * AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
908 908  * AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
909 909  
910 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
930 +[[image:1654133913295-597.png]]
911 911  
912 912  
913 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
933 +[[image:1654133954153-643.png]]
914 914  
915 915  
916 -* Downlink Commands:
936 +* **Downlink Commands:**
917 917  
918 -A9 aa -à Same as AT+MBFUN=aa
938 +**A9 aa** ~-~-> Same as AT+MBFUN=aa
919 919  
920 920  
921 -==== RS485 command timeout ====
922 922  
942 +==== **RS485 command timeout** ====
943 +
923 923  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.
924 924  
925 925  Default value: 0, range:  0 ~~ 5 seconds
926 926  
927 927  
928 -* AT Command:
949 +* **AT Command:**
929 929  
930 -AT+CMDDLaa=hex(bb cc)
951 +(% class="box infomessage" %)
952 +(((
953 +**AT+CMDDLaa=hex(bb cc)**
954 +)))
931 931  
932 -Example:
956 +**Example:**
933 933  
934 934  **AT+CMDDL1=1000** to send the open time to 1000ms
935 935  
936 936  
937 -* Downlink Payload:
961 +* **Downlink Payload:**
938 938  
939 939  0x AA aa bb cc
940 940  
941 941  Same as: AT+CMDDLaa=hex(bb cc)
942 942  
943 - Example:
967 + **Example:**
944 944  
945 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
969 + **0xAA 01 03 E8**  ~-~-> Same as **AT+CMDDL1=1000 ms**
946 946  
947 947  
948 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
949 949  
973 +==== **Uplink payload mode** ====
974 +
950 950  Define to use one uplink or multiple uplinks for the sampling.
951 951  
952 -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"]]
953 953  
954 -* AT Command:
979 +* **AT Command:**
955 955  
956 -AT+DATAUP=0
981 +(% class="box infomessage" %)
982 +(((
983 +**AT+DATAUP=0**
984 +)))
957 957  
958 -AT+DATAUP=1
986 +(% class="box infomessage" %)
987 +(((
988 +**AT+DATAUP=1**
989 +)))
959 959  
960 960  
961 -* Downlink Payload:
992 +* **Downlink Payload:**
962 962  
963 -0xAD 00   à Same as AT+DATAUP=0
994 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
964 964  
965 -0xAD 01   à Same as AT+DATAUP=1
996 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
966 966  
967 967  
968 -==== Manually trigger an Uplink ====
969 969  
1000 +==== **Manually trigger an Uplink** ====
1001 +
970 970  Ask device to send an uplink immediately.
971 971  
972 -* Downlink Payload:
1004 +* **Downlink Payload:**
973 973  
974 -0x08 FF, RS485-BL will immediately send an uplink.
1006 +**0x08 FF**, RS485-BL will immediately send an uplink.
975 975  
976 976  
977 -==== Clear RS485 Command ====
978 978  
1010 +==== **Clear RS485 Command** ====
1011 +
979 979  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
980 980  
981 981  
982 -* AT Command:
1015 +* **AT Command:**
983 983  
984 -**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
985 985  
986 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
987 -
988 988  Example screen shot after clear all RS485 commands. 
989 989  
990 990  
991 -
992 992  The uplink screen shot is:
993 993  
994 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1024 +[[image:1654134704555-320.png]]
995 995  
996 996  
997 -* Downlink Payload:
1027 +* **Downlink Payload:**
998 998  
999 -0x09 aa bb same as AT+CMDEAR=aa,bb
1029 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1000 1000  
1001 1001  
1002 -==== Set Serial Communication Parameters ====
1003 1003  
1033 +==== **Set Serial Communication Parameters** ====
1034 +
1004 1004  Set the Rs485 serial communication parameters:
1005 1005  
1006 -* AT Command:
1037 +* **AT Command:**
1007 1007  
1008 1008  Set Baud Rate:
1009 1009  
1010 -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 +)))
1011 1011  
1046 +Set UART Parity
1012 1012  
1013 -Set UART parity
1048 +(% class="box infomessage" %)
1049 +(((
1050 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1051 +)))
1014 1014  
1015 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1016 -
1017 -
1018 1018  Set STOPBIT
1019 1019  
1020 -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 +)))
1021 1021  
1022 1022  
1023 -* Downlink Payload:
1061 +* **Downlink Payload:**
1024 1024  
1025 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1063 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1026 1026  
1027 -Example:
1065 +**Example:**
1028 1028  
1029 1029  * A7 01 00 60   same as AT+BAUDR=9600
1030 1030  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -1034,80 +1034,76 @@
1034 1034  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1035 1035  
1036 1036  
1037 -==== Control output power duration ====
1038 1038  
1076 +==== **Control output power duration** ====
1077 +
1039 1039  User can set the output power duration before each sampling.
1040 1040  
1041 -* AT Command:
1080 +* **AT Command:**
1042 1042  
1043 -Example:
1082 +**Example:**
1044 1044  
1045 -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.
1046 1046  
1047 -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.
1048 1048  
1049 1049  
1050 -* LoRaWAN Downlink Command:
1089 +* **LoRaWAN Downlink Command:**
1051 1051  
1052 -07 01 aa bb  Same as AT+5VT=(aa bb)
1091 +**07 01 aa bb**  Same as AT+5VT=(aa bb)
1053 1053  
1054 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1093 +**07 02 aa bb**  Same as AT+3V3T=(aa bb)
1055 1055  
1056 1056  
1096 +== 3.6 Buttons ==
1057 1057  
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
1058 1058  
1059 -1.
1060 -11. Buttons
1102 +== 3.7 +3V3 Output ==
1061 1061  
1062 -|**Button**|**Feature**
1063 -|**RST**|Reboot RS485-BL
1064 -
1065 -1.
1066 -11. +3V3 Output
1067 -
1068 1068  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1069 1069  
1070 1070  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. 
1071 1071  
1072 -
1073 1073  The +3V3 output time can be controlled by AT Command.
1074 1074  
1075 -**AT+3V3T=1000**
1076 1076  
1077 -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**
1078 1078  
1079 1079  
1114 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1115 +
1080 1080  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1081 1081  
1082 1082  
1083 -1.
1084 -11. +5V Output
1119 +== 3.8 +5V Output ==
1085 1085  
1086 1086  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1087 1087  
1088 1088  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. 
1089 1089  
1090 -
1091 1091  The 5V output time can be controlled by AT Command.
1092 1092  
1093 -**AT+5VT=1000**
1094 1094  
1095 -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**
1096 1096  
1097 1097  
1131 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1132 +
1098 1098  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.
1099 1099  
1100 1100  
1136 +== 3.9 LEDs ==
1101 1101  
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.
1102 1102  
1103 -1.
1104 -11. LEDs
1105 1105  
1106 -|**LEDs**|**Feature**
1107 -|**LED1**|Blink when device transmit a packet.
1108 1108  
1109 -1.
1110 -11. Switch Jumper
1144 +== 3.10 Switch Jumper ==
1111 1111  
1112 1112  |**Switch Jumper**|**Feature**
1113 1113  |**SW1**|(((
... ... @@ -1152,7 +1152,7 @@
1152 1152  
1153 1153  
1154 1154  
1155 -1.
1189 +1.
1156 1156  11. Common AT Command Sequence
1157 1157  111. Multi-channel ABP mode (Use with SX1301/LG308)
1158 1158  
... ... @@ -1171,8 +1171,8 @@
1171 1171  
1172 1172  ATZ
1173 1173  
1174 -1.
1175 -11.
1208 +1.
1209 +11.
1176 1176  111. Single-channel ABP mode (Use with LG01/LG02)
1177 1177  
1178 1178  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1247,7 +1247,7 @@
1247 1247  [[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]]
1248 1248  
1249 1249  
1250 -1.
1284 +1.
1251 1251  11. How to change the LoRa Frequency Bands/Region?
1252 1252  
1253 1253  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1254,7 +1254,7 @@
1254 1254  
1255 1255  
1256 1256  
1257 -1.
1291 +1.
1258 1258  11. How many RS485-Slave can RS485-BL connects?
1259 1259  
1260 1260  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]].
... ... @@ -1271,7 +1271,7 @@
1271 1271  
1272 1272  
1273 1273  
1274 -1.
1308 +1.
1275 1275  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1276 1276  
1277 1277  It might about the channels mapping. Please see for detail.
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