Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
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... ... @@ -1,1 +1,1 @@ 1 -RS485-LN – RS485 to LoRaWAN Converter 1 +RS485-LN – RS485 to LoRaWAN Converter User Manual - Content
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... ... @@ -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) ... ... @@ -103,7 +103,6 @@ 103 103 * Support Modbus protocol 104 104 * Support Interrupt uplink (Since hardware version v1.2) 105 105 106 - 107 107 == 1.4 Applications == 108 108 109 109 * Smart Buildings & Home Automation ... ... @@ -113,7 +113,6 @@ 113 113 * Smart Cities 114 114 * Smart Factory 115 115 116 - 117 117 == 1.5 Firmware Change log == 118 118 119 119 [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]] ... ... @@ -182,12 +182,13 @@ 182 182 183 183 [[image:1653268227651-549.png||height="592" width="720"]] 184 184 189 + 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. 195 +(% 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]] 199 199 205 + 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. 212 +**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 223 223 229 + 230 +**Add APP KEY and DEV EUI** 231 + 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. 236 +(% 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. 246 +((( 247 +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 ))) 249 +))) 240 240 241 241 ((( 252 +((( 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 v1.1 254 +))) 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" %)((( 334 +((( 323 323 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 336 +))) 324 324 338 +((( 325 325 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 340 +))) 326 326 342 +((( 327 327 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 344 +))) 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:** 360 +(% 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: 375 +(% 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** 379 +(% 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. 391 +(% 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 :404 +* (% style="color:#037691" %)**Grab bytes** 389 389 390 390 [[image:image-20220602153621-1.png]] 391 391 392 392 393 -* Grab a section .409 +* (% style="color:#037691" %)**Grab a section** 394 394 395 395 [[image:image-20220602153621-2.png]] 396 396 397 397 398 -* Grab different sections .414 +* (% style="color:#037691" %)**Grab different sections** 399 399 400 400 [[image:image-20220602153621-3.png]] 401 401 418 + 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 ==527 +== 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 ... ... @@ -548,6 +548,7 @@ 548 548 549 549 550 550 568 + 551 551 ==== **RS485 Debug Command** ==== 552 552 553 553 ((( ... ... @@ -668,85 +668,161 @@ 668 668 669 669 670 670 689 + 671 671 ==== **Set Payload version** ==== 672 672 673 -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. 692 +((( 693 +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. 694 +))) 674 674 675 -* **AT Command:** 696 +* ((( 697 +**AT Command:** 698 +))) 676 676 677 677 (% class="box infomessage" %) 678 678 ((( 702 +((( 679 679 **AT+PAYVER: Set PAYVER field = 1** 680 680 ))) 705 +))) 681 681 682 -* **Downlink Payload:** 707 +* ((( 708 +**Downlink Payload:** 709 +))) 683 683 711 +((( 684 684 **0xAE 01** ~-~-> Set PAYVER field = 0x01 713 +))) 685 685 715 +((( 686 686 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 717 +))) 687 687 688 688 689 689 721 + 690 690 ==== **Set RS485 Sampling Commands** ==== 691 691 724 +((( 692 692 AT+COMMANDx or AT+DATACUTx 726 +))) 693 693 728 +((( 694 694 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"]]. 730 +))) 695 695 732 +((( 733 + 734 +))) 696 696 697 -* **AT Command:** 736 +* ((( 737 +**AT Command:** 738 +))) 698 698 699 699 (% class="box infomessage" %) 700 700 ((( 742 +((( 701 701 **AT+COMMANDx: Configure RS485 read command to sensor.** 702 702 ))) 745 +))) 703 703 704 704 (% class="box infomessage" %) 705 705 ((( 749 +((( 706 706 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 707 707 ))) 752 +))) 708 708 754 +((( 755 + 756 +))) 709 709 710 -* **Downlink Payload:** 758 +* ((( 759 +**Downlink Payload:** 760 +))) 711 711 762 +((( 712 712 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 764 +))) 713 713 766 +((( 714 714 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 768 +))) 715 715 770 +((( 716 716 Format: AF MM NN LL XX XX XX XX YY 772 +))) 717 717 774 +((( 718 718 Where: 776 +))) 719 719 720 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 721 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 722 -* LL: The length of AT+COMMAND or AT+DATACUT command 723 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 724 -* 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. 778 +* ((( 779 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 780 +))) 781 +* ((( 782 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 783 +))) 784 +* ((( 785 +LL: The length of AT+COMMAND or AT+DATACUT command 786 +))) 787 +* ((( 788 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 789 +))) 790 +* ((( 791 +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. 792 +))) 725 725 794 +((( 726 726 **Example:** 796 +))) 727 727 798 +((( 728 728 (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 800 +))) 729 729 802 +((( 730 730 (% 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** 804 +))) 731 731 806 +((( 732 732 (% 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** 808 +))) 733 733 734 734 735 735 812 + 736 736 ==== **Fast command to handle MODBUS device** ==== 737 737 815 +((( 738 738 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]]. 817 +))) 739 739 819 +((( 740 740 This command is valid since v1.3 firmware version 821 +))) 741 741 823 +((( 742 742 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. 825 +))) 743 743 827 +((( 828 + 829 +))) 744 744 831 +((( 745 745 **Example:** 833 +))) 746 746 747 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 748 -* 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. 749 -* 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. 835 +* ((( 836 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 837 +))) 838 +* ((( 839 +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. 840 +))) 841 +* ((( 842 +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. 843 +))) 750 750 751 751 [[image:image-20220602165351-6.png]] 752 752 ... ... @@ -754,200 +754,374 @@ 754 754 755 755 756 756 851 + 757 757 ==== **RS485 command timeout** ==== 758 758 854 +((( 759 759 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. 856 +))) 760 760 858 +((( 761 761 Default value: 0, range: 0 ~~ 65 seconds 860 +))) 762 762 763 -* **AT Command:** 862 +* ((( 863 +**AT Command:** 864 +))) 764 764 765 765 (% class="box infomessage" %) 766 766 ((( 868 +((( 767 767 **AT+CMDDLaa=hex(bb cc)*1000** 768 768 ))) 871 +))) 769 769 873 +((( 770 770 **Example:** 875 +))) 771 771 877 +((( 772 772 **AT+CMDDL1=1000** to send the open time to 1000ms 879 +))) 773 773 881 +((( 882 + 883 +))) 774 774 775 -* **Downlink Payload:** 885 +* ((( 886 +**Downlink Payload:** 887 +))) 776 776 889 +((( 777 777 **0x AA aa bb cc** 891 +))) 778 778 893 +((( 779 779 Same as: AT+CMDDLaa=hex(bb cc)*1000 895 +))) 780 780 897 +((( 781 781 **Example:** 899 +))) 782 782 901 +((( 783 783 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 903 +))) 784 784 785 785 786 786 907 + 787 787 ==== **Uplink payload mode** ==== 788 788 910 +((( 789 789 Define to use one uplink or multiple uplinks for the sampling. 912 +))) 790 790 914 +((( 791 791 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 916 +))) 792 792 793 -* **AT Command:** 918 +* ((( 919 +**AT Command:** 920 +))) 794 794 795 795 (% class="box infomessage" %) 796 796 ((( 924 +((( 797 797 **AT+DATAUP=0** 798 798 ))) 927 +))) 799 799 800 800 (% class="box infomessage" %) 801 801 ((( 931 +((( 802 802 **AT+DATAUP=1** 803 803 ))) 934 +))) 804 804 936 +((( 937 + 938 +))) 805 805 806 -* **Downlink Payload:** 940 +* ((( 941 +**Downlink Payload:** 942 +))) 807 807 944 +((( 808 808 **0xAD 00** **~-~->** Same as AT+DATAUP=0 946 +))) 809 809 948 +((( 810 810 **0xAD 01** **~-~->** Same as AT+DATAUP=1 950 +))) 811 811 812 812 813 813 954 + 814 814 ==== **Manually trigger an Uplink** ==== 815 815 957 +((( 816 816 Ask device to send an uplink immediately. 959 +))) 817 817 818 -* **AT Command:** 961 +* ((( 962 +**AT Command:** 963 +))) 819 819 965 +((( 820 820 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 967 +))) 821 821 969 +((( 970 + 971 +))) 822 822 823 -* **Downlink Payload:** 973 +* ((( 974 +**Downlink Payload:** 975 +))) 824 824 977 +((( 825 825 **0x08 FF**, RS485-LN will immediately send an uplink. 979 +))) 826 826 827 827 828 828 983 + 829 829 ==== **Clear RS485 Command** ==== 830 830 986 +((( 831 831 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 988 +))) 832 832 833 -* **AT Command:** 990 +* ((( 991 +**AT Command:** 992 +))) 834 834 994 +((( 835 835 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 996 +))) 836 836 998 +((( 837 837 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1000 +))) 838 838 1002 +((( 839 839 Example screen shot after clear all RS485 commands. 1004 +))) 840 840 1006 +((( 1007 + 1008 +))) 841 841 1010 +((( 842 842 The uplink screen shot is: 1012 +))) 843 843 844 844 [[image:1654160691922-496.png]] 845 845 846 846 847 -* **Downlink Payload:** 1017 +* ((( 1018 +**Downlink Payload:** 1019 +))) 848 848 1021 +((( 849 849 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1023 +))) 850 850 851 851 852 852 1027 + 853 853 ==== **Set Serial Communication Parameters** ==== 854 854 1030 +((( 855 855 Set the Rs485 serial communication parameters: 1032 +))) 856 856 857 -* **AT Command:** 1034 +* ((( 1035 +**AT Command:** 1036 +))) 858 858 1038 +((( 859 859 Set Baud Rate: 1040 +))) 860 860 861 861 (% class="box infomessage" %) 862 862 ((( 1044 +((( 863 863 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 864 864 ))) 1047 +))) 865 865 1049 +((( 866 866 Set UART Parity 1051 +))) 867 867 868 868 (% class="box infomessage" %) 869 869 ((( 1055 +((( 870 870 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 871 871 ))) 1058 +))) 872 872 1060 +((( 873 873 Set STOPBIT 1062 +))) 874 874 875 875 (% class="box infomessage" %) 876 876 ((( 1066 +((( 877 877 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 878 878 ))) 1069 +))) 879 879 1071 +((( 1072 + 1073 +))) 880 880 881 -* **Downlink Payload:** 1075 +* ((( 1076 +**Downlink Payload:** 1077 +))) 882 882 1079 +((( 883 883 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1081 +))) 884 884 1083 +((( 885 885 **Example:** 1085 +))) 886 886 887 -* A7 01 00 60 same as AT+BAUDR=9600 888 -* A7 01 04 80 same as AT+BAUDR=115200 1087 +* ((( 1088 +A7 01 00 60 same as AT+BAUDR=9600 1089 +))) 1090 +* ((( 1091 +A7 01 04 80 same as AT+BAUDR=115200 1092 +))) 889 889 1094 +((( 890 890 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1096 +))) 891 891 1098 +((( 892 892 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1100 +))) 893 893 894 894 1103 + 1104 + 895 895 == 3.6 Listening mode for RS485 network == 896 896 1107 +((( 897 897 This feature support since firmware v1.4 1109 +))) 898 898 1111 +((( 899 899 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. 1113 +))) 900 900 901 901 [[image:image-20220602171200-8.png||height="567" width="1007"]] 902 902 1117 +((( 903 903 To enable the listening mode, use can run the command AT+RXMODE. 1119 +))) 904 904 1121 +((( 1122 + 1123 +))) 905 905 906 -(% border="1" style="background-color:#ffffcc; width:500px" %) 907 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 908 -|(% 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. 909 -|(% 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 910 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 911 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1125 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1126 +|=(% style="width: 100px;" %)((( 1127 +**Command example** 1128 +)))|=(% style="width: 400px;" %)((( 1129 +**Function** 1130 +))) 1131 +|(% style="width:100px" %)((( 1132 +AT+RXMODE=1,10 1133 +)))|(% style="width:400px" %)((( 1134 +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. 1135 +))) 1136 +|(% style="width:100px" %)((( 1137 +AT+RXMODE=2,500 1138 +)))|(% style="width:400px" %)((( 1139 +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 1140 +))) 1141 +|(% style="width:100px" %)((( 1142 +AT+RXMODE=0,0 1143 +)))|(% style="width:400px" %)((( 1144 +Disable listening mode. This is the default settings. 1145 +))) 1146 +|(% style="width:100px" %)((( 1147 + 1148 +)))|(% style="width:400px" %)((( 1149 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1150 +))) 912 912 1152 +((( 913 913 **Downlink Command:** 1154 +))) 914 914 1156 +((( 915 915 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1158 +))) 916 916 1160 +((( 1161 + 1162 +))) 917 917 1164 +((( 918 918 **Example**: 1166 +))) 919 919 1168 +((( 920 920 The RS485-LN is set to AT+RXMODE=2,1000 1170 +))) 921 921 1172 +((( 922 922 There is a two Modbus commands in the RS485 network as below: 1174 +))) 923 923 1176 +((( 924 924 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1178 +))) 925 925 1180 +((( 926 926 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1182 +))) 927 927 1184 +((( 928 928 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 1186 +))) 929 929 1188 +((( 930 930 [[image:image-20220602171200-9.png]] 1190 +))) 931 931 1192 +((( 1193 + 1194 +))) 932 932 1196 +((( 1197 +((( 933 933 (% 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. 1199 +))) 1200 +))) 934 934 935 935 936 936 == 3.7 Buttons == 937 937 938 938 939 -(% border="1" style="background-color:#f7faff; width: 500px" %)940 -|=**Button**|=(% style="width: 1 420px;" %)**Feature**941 -|**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**942 -|**RST**|(% style="width:1 420px" %)Reboot RS485943 -|**PRO**|(% style="width:1 420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]1206 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1207 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature** 1208 +|(% 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** 1209 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1210 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 944 944 945 945 == 3.8 LEDs == 946 946 947 -(% border="1" style="background-color:#f7faff; width:500px" %) 948 -|=**LEDs**|=**Feature** 1214 + 1215 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1216 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 949 949 |**PWR**|Always on if there is power 950 -|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink 1218 +|**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. 951 951 952 952 = 4. Case Study = 953 953 ... ... @@ -958,19 +958,26 @@ 958 958 959 959 == 5.1 Access AT Command == 960 960 961 -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. 1229 +((( 1230 +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. 1231 +))) 962 962 963 963 [[image:1654162355560-817.png]] 964 964 965 965 966 -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: 1236 +((( 1237 +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: 1238 +))) 967 967 968 968 [[image:1654162368066-342.png]] 969 969 970 970 1243 +((( 971 971 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/]] 1245 +))) 972 972 973 973 1248 + 974 974 == 5.2 Common AT Command Sequence == 975 975 976 976 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -993,7 +993,9 @@ 993 993 ))) 994 994 995 995 1271 +((( 996 996 If device already joined network: 1273 +))) 997 997 998 998 (% class="box infomessage" %) 999 999 ((( ... ... @@ -1032,10 +1032,12 @@ 1032 1032 1033 1033 (% style="color:red" %)**Note:** 1034 1034 1312 +((( 1035 1035 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 1036 1036 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 1037 1037 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. 1038 1038 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 1317 +))) 1039 1039 1040 1040 [[image:1654162478620-421.png]] 1041 1041 ... ... @@ -1044,25 +1044,45 @@ 1044 1044 1045 1045 == 6.1 How to upgrade the image? == 1046 1046 1326 +((( 1047 1047 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1328 +))) 1048 1048 1049 -* Support new features 1050 -* For bug fix 1051 -* Change LoRaWAN bands. 1330 +* ((( 1331 +Support new features 1332 +))) 1333 +* ((( 1334 +For bug fix 1335 +))) 1336 +* ((( 1337 +Change LoRaWAN bands. 1338 +))) 1052 1052 1340 +((( 1053 1053 Below shows the hardware connection for how to upload an image to RS485-LN: 1342 +))) 1054 1054 1055 1055 [[image:1654162535040-878.png]] 1056 1056 1346 +((( 1057 1057 **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]]. 1348 +))) 1058 1058 1350 +((( 1059 1059 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1352 +))) 1060 1060 1354 +((( 1061 1061 **Step3: **Open flashloader; choose the correct COM port to update. 1356 +))) 1062 1062 1063 1063 ((( 1359 +((( 1360 +((( 1064 1064 (% 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. 1065 1065 ))) 1363 +))) 1364 +))) 1066 1066 1067 1067 1068 1068 [[image:image-20220602175818-12.png]] ... ... @@ -1084,9 +1084,9 @@ 1084 1084 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1085 1085 1086 1086 1087 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1386 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1088 1088 1089 -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"]].1388 +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"]]. 1090 1090 1091 1091 1092 1092 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == ... ... @@ -1125,7 +1125,6 @@ 1125 1125 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1126 1126 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1127 1127 1128 - 1129 1129 = 9.Packing Info = 1130 1130 1131 1131 ... ... @@ -1142,7 +1142,6 @@ 1142 1142 * Package Size / pcs : 14.5 x 8 x 5 cm 1143 1143 * Weight / pcs : 170g 1144 1144 1145 - 1146 1146 = 10. FCC Caution for RS485LN-US915 = 1147 1147 1148 1148 (((