Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (2 modified, 0 added, 0 removed)
Details
- Page properties
-
- Title
-
... ... @@ -1,1 +1,1 @@ 1 -RS485-LN – RS485 to LoRaWAN Converter 1 +RS485-LN – RS485 to LoRaWAN Converter User Manual - Content
-
... ... @@ -3,7 +3,6 @@ 3 3 4 4 5 5 6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual** 7 7 8 8 9 9 ... ... @@ -25,6 +25,8 @@ 25 25 ((( 26 26 ((( 27 27 ((( 27 + 28 + 28 28 The Dragino RS485-LN is a (% style="color:blue" %)**RS485 to LoRaWAN Converter**(%%). It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost. 29 29 ))) 30 30 ))) ... ... @@ -48,6 +48,8 @@ 48 48 49 49 ((( 50 50 (% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]] 52 + 53 + 51 51 ))) 52 52 ))) 53 53 ))) ... ... @@ -92,6 +92,9 @@ 92 92 * Automatic RF Sense and CAD with ultra-fast AFC. 93 93 * Packet engine up to 256 bytes with CRC 94 94 98 + 99 + 100 + 95 95 == 1.3 Features == 96 96 97 97 * LoRaWAN Class A & Class C protocol (default Class C) ... ... @@ -104,6 +104,8 @@ 104 104 * Support Interrupt uplink (Since hardware version v1.2) 105 105 106 106 113 + 114 + 107 107 == 1.4 Applications == 108 108 109 109 * Smart Buildings & Home Automation ... ... @@ -114,6 +114,8 @@ 114 114 * Smart Factory 115 115 116 116 125 + 126 + 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/]] ... ... @@ -182,12 +182,13 @@ 182 182 183 183 [[image:1653268227651-549.png||height="592" width="720"]] 184 184 195 + 185 185 ((( 186 186 The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3: 187 187 ))) 188 188 189 189 ((( 190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN. 201 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN. 191 191 ))) 192 192 193 193 ((( ... ... @@ -197,6 +197,7 @@ 197 197 198 198 [[image:1652953462722-299.png]] 199 199 211 + 200 200 ((( 201 201 ((( 202 202 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: ... ... @@ -203,7 +203,7 @@ 203 203 ))) 204 204 205 205 ((( 206 -Add APP EUI in the application. 218 +**Add APP EUI in the application.** 207 207 ))) 208 208 ))) 209 209 ... ... @@ -219,13 +219,15 @@ 219 219 220 220 [[image:1652953542269-423.png||height="710" width="723"]] 221 221 222 -Add APP KEY and DEV EUI 223 223 235 + 236 +**Add APP KEY and DEV EUI** 237 + 224 224 [[image:1652953553383-907.png||height="514" width="724"]] 225 225 226 226 227 227 ((( 228 -**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 242 +(% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel. 229 229 ))) 230 230 231 231 [[image:1652953568895-172.png||height="232" width="724"]] ... ... @@ -235,11 +235,15 @@ 235 235 236 236 ((( 237 237 ((( 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. 252 +((( 253 +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-LNviaATorDownlink"]] 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 ))) 255 +))) 240 240 241 241 ((( 258 +((( 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 v1.1 260 +))) 243 243 244 244 245 245 ))) ... ... @@ -308,7 +308,6 @@ 308 308 ))) 309 309 310 310 311 - 312 312 === 3.3.2 Configure sensors === 313 313 314 314 ((( ... ... @@ -320,15 +320,20 @@ 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" %)((( 340 +((( 323 323 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 342 +))) 324 324 344 +((( 325 325 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 346 +))) 326 326 348 +((( 327 327 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 350 +))) 328 328 )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 329 329 330 330 331 - 332 332 === 3.3.3 Configure read commands for each sampling === 333 333 334 334 ((( ... ... @@ -341,7 +341,7 @@ 341 341 During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads. 342 342 343 343 344 -**Each RS485 commands include two parts:** 366 +(% style="color:#037691" %)**Each RS485 commands include two parts:** 345 345 346 346 ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar. 347 347 ... ... @@ -356,11 +356,11 @@ 356 356 Below are examples for the how above AT Commands works. 357 357 358 358 359 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 381 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is: 360 360 361 361 (% border="1" style="background-color:#4bacc6; color:white; width:499px" %) 362 362 |(% style="width:496px" %)((( 363 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 385 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m** 364 364 365 365 **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent** 366 366 ... ... @@ -372,7 +372,7 @@ 372 372 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 373 373 374 374 375 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 397 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 376 376 377 377 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 378 378 |(% style="width:510px" %)((( ... ... @@ -385,20 +385,21 @@ 385 385 386 386 **Examples:** 387 387 388 -* Grab bytes :410 +* (% style="color:#037691" %)**Grab bytes** 389 389 390 390 [[image:image-20220602153621-1.png]] 391 391 392 392 393 -* Grab a section .415 +* (% style="color:#037691" %)**Grab a section** 394 394 395 395 [[image:image-20220602153621-2.png]] 396 396 397 397 398 -* Grab different sections .420 +* (% style="color:#037691" %)**Grab different sections** 399 399 400 400 [[image:image-20220602153621-3.png]] 401 401 424 + 402 402 403 403 ))) 404 404 ... ... @@ -507,7 +507,7 @@ 507 507 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 508 508 509 509 510 -== 3.5 Configure RS485- BL via AT or Downlink ==533 +== 3.5 Configure RS485-LN via AT or Downlink == 511 511 512 512 ((( 513 513 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands ... ... @@ -673,7 +673,7 @@ 673 673 ==== **Set Payload version** ==== 674 674 675 675 ((( 676 -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.699 +This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload. 677 677 ))) 678 678 679 679 * ((( ... ... @@ -704,64 +704,126 @@ 704 704 705 705 ==== **Set RS485 Sampling Commands** ==== 706 706 730 +((( 707 707 AT+COMMANDx or AT+DATACUTx 732 +))) 708 708 734 +((( 709 709 These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]]. 736 +))) 710 710 738 +((( 739 + 740 +))) 711 711 712 -* **AT Command:** 742 +* ((( 743 +**AT Command:** 744 +))) 713 713 714 714 (% class="box infomessage" %) 715 715 ((( 748 +((( 716 716 **AT+COMMANDx: Configure RS485 read command to sensor.** 717 717 ))) 751 +))) 718 718 719 719 (% class="box infomessage" %) 720 720 ((( 755 +((( 721 721 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 722 722 ))) 758 +))) 723 723 760 +((( 761 + 762 +))) 724 724 725 -* **Downlink Payload:** 764 +* ((( 765 +**Downlink Payload:** 766 +))) 726 726 768 +((( 727 727 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 770 +))) 728 728 772 +((( 729 729 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 774 +))) 730 730 776 +((( 731 731 Format: AF MM NN LL XX XX XX XX YY 778 +))) 732 732 780 +((( 733 733 Where: 782 +))) 734 734 735 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 736 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 737 -* LL: The length of AT+COMMAND or AT+DATACUT command 738 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 739 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 784 +* ((( 785 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 786 +))) 787 +* ((( 788 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 789 +))) 790 +* ((( 791 +LL: The length of AT+COMMAND or AT+DATACUT command 792 +))) 793 +* ((( 794 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 795 +))) 796 +* ((( 797 +YY: If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command. 798 +))) 740 740 800 +((( 741 741 **Example:** 802 +))) 742 742 804 +((( 743 743 (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 806 +))) 744 744 808 +((( 745 745 (% 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** 810 +))) 746 746 812 +((( 747 747 (% 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** 814 +))) 748 748 749 749 750 750 818 + 751 751 ==== **Fast command to handle MODBUS device** ==== 752 752 821 +((( 753 753 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]]. 823 +))) 754 754 825 +((( 755 755 This command is valid since v1.3 firmware version 827 +))) 756 756 829 +((( 757 757 AT+MBFUN 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. 831 +))) 758 758 833 +((( 834 + 835 +))) 759 759 837 +((( 760 760 **Example:** 839 +))) 761 761 762 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 763 -* 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. 764 -* 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. 841 +* ((( 842 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 843 +))) 844 +* ((( 845 +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. 846 +))) 847 +* ((( 848 +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. 849 +))) 765 765 766 766 [[image:image-20220602165351-6.png]] 767 767 ... ... @@ -769,200 +769,374 @@ 769 769 770 770 771 771 857 + 772 772 ==== **RS485 command timeout** ==== 773 773 860 +((( 774 774 Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action. 862 +))) 775 775 864 +((( 776 776 Default value: 0, range: 0 ~~ 65 seconds 866 +))) 777 777 778 -* **AT Command:** 868 +* ((( 869 +**AT Command:** 870 +))) 779 779 780 780 (% class="box infomessage" %) 781 781 ((( 874 +((( 782 782 **AT+CMDDLaa=hex(bb cc)*1000** 783 783 ))) 877 +))) 784 784 879 +((( 785 785 **Example:** 881 +))) 786 786 883 +((( 787 787 **AT+CMDDL1=1000** to send the open time to 1000ms 885 +))) 788 788 887 +((( 888 + 889 +))) 789 789 790 -* **Downlink Payload:** 891 +* ((( 892 +**Downlink Payload:** 893 +))) 791 791 895 +((( 792 792 **0x AA aa bb cc** 897 +))) 793 793 899 +((( 794 794 Same as: AT+CMDDLaa=hex(bb cc)*1000 901 +))) 795 795 903 +((( 796 796 **Example:** 905 +))) 797 797 907 +((( 798 798 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 909 +))) 799 799 800 800 801 801 913 + 802 802 ==== **Uplink payload mode** ==== 803 803 916 +((( 804 804 Define to use one uplink or multiple uplinks for the sampling. 918 +))) 805 805 920 +((( 806 806 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 922 +))) 807 807 808 -* **AT Command:** 924 +* ((( 925 +**AT Command:** 926 +))) 809 809 810 810 (% class="box infomessage" %) 811 811 ((( 930 +((( 812 812 **AT+DATAUP=0** 813 813 ))) 933 +))) 814 814 815 815 (% class="box infomessage" %) 816 816 ((( 937 +((( 817 817 **AT+DATAUP=1** 818 818 ))) 940 +))) 819 819 942 +((( 943 + 944 +))) 820 820 821 -* **Downlink Payload:** 946 +* ((( 947 +**Downlink Payload:** 948 +))) 822 822 950 +((( 823 823 **0xAD 00** **~-~->** Same as AT+DATAUP=0 952 +))) 824 824 954 +((( 825 825 **0xAD 01** **~-~->** Same as AT+DATAUP=1 956 +))) 826 826 827 827 828 828 960 + 829 829 ==== **Manually trigger an Uplink** ==== 830 830 963 +((( 831 831 Ask device to send an uplink immediately. 965 +))) 832 832 833 -* **AT Command:** 967 +* ((( 968 +**AT Command:** 969 +))) 834 834 971 +((( 835 835 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 973 +))) 836 836 975 +((( 976 + 977 +))) 837 837 838 -* **Downlink Payload:** 979 +* ((( 980 +**Downlink Payload:** 981 +))) 839 839 983 +((( 840 840 **0x08 FF**, RS485-LN will immediately send an uplink. 985 +))) 841 841 842 842 843 843 989 + 844 844 ==== **Clear RS485 Command** ==== 845 845 992 +((( 846 846 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 994 +))) 847 847 848 -* **AT Command:** 996 +* ((( 997 +**AT Command:** 998 +))) 849 849 1000 +((( 850 850 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 1002 +))) 851 851 1004 +((( 852 852 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1006 +))) 853 853 1008 +((( 854 854 Example screen shot after clear all RS485 commands. 1010 +))) 855 855 1012 +((( 1013 + 1014 +))) 856 856 1016 +((( 857 857 The uplink screen shot is: 1018 +))) 858 858 859 859 [[image:1654160691922-496.png]] 860 860 861 861 862 -* **Downlink Payload:** 1023 +* ((( 1024 +**Downlink Payload:** 1025 +))) 863 863 1027 +((( 864 864 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1029 +))) 865 865 866 866 867 867 1033 + 868 868 ==== **Set Serial Communication Parameters** ==== 869 869 1036 +((( 870 870 Set the Rs485 serial communication parameters: 1038 +))) 871 871 872 -* **AT Command:** 1040 +* ((( 1041 +**AT Command:** 1042 +))) 873 873 1044 +((( 874 874 Set Baud Rate: 1046 +))) 875 875 876 876 (% class="box infomessage" %) 877 877 ((( 1050 +((( 878 878 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 879 879 ))) 1053 +))) 880 880 1055 +((( 881 881 Set UART Parity 1057 +))) 882 882 883 883 (% class="box infomessage" %) 884 884 ((( 1061 +((( 885 885 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 886 886 ))) 1064 +))) 887 887 1066 +((( 888 888 Set STOPBIT 1068 +))) 889 889 890 890 (% class="box infomessage" %) 891 891 ((( 1072 +((( 892 892 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 893 893 ))) 1075 +))) 894 894 1077 +((( 1078 + 1079 +))) 895 895 896 -* **Downlink Payload:** 1081 +* ((( 1082 +**Downlink Payload:** 1083 +))) 897 897 1085 +((( 898 898 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1087 +))) 899 899 1089 +((( 900 900 **Example:** 1091 +))) 901 901 902 -* A7 01 00 60 same as AT+BAUDR=9600 903 -* A7 01 04 80 same as AT+BAUDR=115200 1093 +* ((( 1094 +A7 01 00 60 same as AT+BAUDR=9600 1095 +))) 1096 +* ((( 1097 +A7 01 04 80 same as AT+BAUDR=115200 1098 +))) 904 904 1100 +((( 905 905 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1102 +))) 906 906 1104 +((( 907 907 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1106 +))) 908 908 909 909 1109 + 1110 + 910 910 == 3.6 Listening mode for RS485 network == 911 911 1113 +((( 912 912 This feature support since firmware v1.4 1115 +))) 913 913 1117 +((( 914 914 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. 1119 +))) 915 915 916 916 [[image:image-20220602171200-8.png||height="567" width="1007"]] 917 917 1123 +((( 918 918 To enable the listening mode, use can run the command AT+RXMODE. 1125 +))) 919 919 1127 +((( 1128 + 1129 +))) 920 920 921 -(% border="1" style="background-color:#ffffcc; width:500px" %) 922 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 923 -|(% 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. 924 -|(% 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 925 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 926 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1131 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1132 +|=(% style="width: 100px;" %)((( 1133 +**Command example** 1134 +)))|=(% style="width: 400px;" %)((( 1135 +**Function** 1136 +))) 1137 +|(% style="width:100px" %)((( 1138 +AT+RXMODE=1,10 1139 +)))|(% style="width:400px" %)((( 1140 +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. 1141 +))) 1142 +|(% style="width:100px" %)((( 1143 +AT+RXMODE=2,500 1144 +)))|(% style="width:400px" %)((( 1145 +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 1146 +))) 1147 +|(% style="width:100px" %)((( 1148 +AT+RXMODE=0,0 1149 +)))|(% style="width:400px" %)((( 1150 +Disable listening mode. This is the default settings. 1151 +))) 1152 +|(% style="width:100px" %)((( 1153 + 1154 +)))|(% style="width:400px" %)((( 1155 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1156 +))) 927 927 1158 +((( 928 928 **Downlink Command:** 1160 +))) 929 929 1162 +((( 930 930 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1164 +))) 931 931 1166 +((( 1167 + 1168 +))) 932 932 1170 +((( 933 933 **Example**: 1172 +))) 934 934 1174 +((( 935 935 The RS485-LN is set to AT+RXMODE=2,1000 1176 +))) 936 936 1178 +((( 937 937 There is a two Modbus commands in the RS485 network as below: 1180 +))) 938 938 1182 +((( 939 939 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1184 +))) 940 940 1186 +((( 941 941 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1188 +))) 942 942 1190 +((( 943 943 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 1192 +))) 944 944 1194 +((( 945 945 [[image:image-20220602171200-9.png]] 1196 +))) 946 946 1198 +((( 1199 + 1200 +))) 947 947 1202 +((( 1203 +((( 948 948 (% 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. 1205 +))) 1206 +))) 949 949 950 950 951 951 == 3.7 Buttons == 952 952 953 953 954 -(% border="1" style="background-color:#f7faff; width: 500px" %)955 -|=**Button**|=(% style="width: 1 420px;" %)**Feature**956 -|**ACT**|(% style="width:1 420px" %)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**957 -|**RST**|(% style="width:1 420px" %)Reboot RS485958 -|**PRO**|(% style="width:1 420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1212 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1213 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1214 +|(% 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** 1215 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1216 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 959 959 960 960 == 3.8 LEDs == 961 961 962 -(% border="1" style="background-color:#f7faff; width:500px" %) 963 -|=**LEDs**|=**Feature** 1220 + 1221 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1222 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 964 964 |**PWR**|Always on if there is power 965 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1224 +|**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. 966 966 967 967 = 4. Case Study = 968 968 ... ... @@ -973,19 +973,26 @@ 973 973 974 974 == 5.1 Access AT Command == 975 975 976 -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. 1235 +((( 1236 +RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below. 1237 +))) 977 977 978 978 [[image:1654162355560-817.png]] 979 979 980 980 981 -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: 1242 +((( 1243 +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-LN. The default password is 123456. Below is the output for reference: 1244 +))) 982 982 983 983 [[image:1654162368066-342.png]] 984 984 985 985 1249 +((( 986 986 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/]] 1251 +))) 987 987 988 988 1254 + 989 989 == 5.2 Common AT Command Sequence == 990 990 991 991 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1008,7 +1008,9 @@ 1008 1008 ))) 1009 1009 1010 1010 1277 +((( 1011 1011 If device already joined network: 1279 +))) 1012 1012 1013 1013 (% class="box infomessage" %) 1014 1014 ((( ... ... @@ -1047,10 +1047,12 @@ 1047 1047 1048 1048 (% style="color:red" %)**Note:** 1049 1049 1318 +((( 1050 1050 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1051 1051 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1052 1052 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. 1053 1053 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 1323 +))) 1054 1054 1055 1055 [[image:1654162478620-421.png]] 1056 1056 ... ... @@ -1059,25 +1059,45 @@ 1059 1059 1060 1060 == 6.1 How to upgrade the image? == 1061 1061 1332 +((( 1062 1062 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1334 +))) 1063 1063 1064 -* Support new features 1065 -* For bug fix 1066 -* Change LoRaWAN bands. 1336 +* ((( 1337 +Support new features 1338 +))) 1339 +* ((( 1340 +For bug fix 1341 +))) 1342 +* ((( 1343 +Change LoRaWAN bands. 1344 +))) 1067 1067 1346 +((( 1068 1068 Below shows the hardware connection for how to upload an image to RS485-LN: 1348 +))) 1069 1069 1070 1070 [[image:1654162535040-878.png]] 1071 1071 1352 +((( 1072 1072 **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]]. 1354 +))) 1073 1073 1356 +((( 1074 1074 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1358 +))) 1075 1075 1360 +((( 1076 1076 **Step3: **Open flashloader; choose the correct COM port to update. 1362 +))) 1077 1077 1078 1078 ((( 1365 +((( 1366 +((( 1079 1079 (% 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. 1080 1080 ))) 1369 +))) 1370 +))) 1081 1081 1082 1082 1083 1083 [[image:image-20220602175818-12.png]] ... ... @@ -1099,9 +1099,9 @@ 1099 1099 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1100 1100 1101 1101 1102 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1392 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1103 1103 1104 -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"]].1394 +The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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"]]. 1105 1105 1106 1106 1107 1107 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == ... ... @@ -1140,7 +1140,6 @@ 1140 1140 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1141 1141 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1142 1142 1143 - 1144 1144 = 9.Packing Info = 1145 1145 1146 1146 ... ... @@ -1157,7 +1157,6 @@ 1157 1157 * Package Size / pcs : 14.5 x 8 x 5 cm 1158 1158 * Weight / pcs : 170g 1159 1159 1160 - 1161 1161 = 10. FCC Caution for RS485LN-US915 = 1162 1162 1163 1163 (((