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 ... ... @@ -548,142 +548,282 @@ 548 548 549 549 550 550 568 + 551 551 ==== **RS485 Debug Command** ==== 552 552 571 +((( 553 553 This command is used to configure the RS485 devices; they won’t be used during sampling. 573 +))) 554 554 555 -* **AT Command** 575 +* ((( 576 +**AT Command** 577 +))) 556 556 557 557 (% class="box infomessage" %) 558 558 ((( 581 +((( 559 559 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 560 560 ))) 584 +))) 561 561 586 +((( 562 562 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 588 +))) 563 563 564 -* **Downlink Payload** 590 +* ((( 591 +**Downlink Payload** 592 +))) 565 565 594 +((( 566 566 Format: A8 MM NN XX XX XX XX YY 596 +))) 567 567 598 +((( 568 568 Where: 600 +))) 569 569 570 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 571 -* NN: The length of RS485 command 572 -* XX XX XX XX: RS485 command total NN bytes 573 -* YY: How many bytes will be uplink from the return of this RS485 command, 574 -** if YY=0, RS485-LN will execute the downlink command without uplink; 575 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 576 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 602 +* ((( 603 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 604 +))) 605 +* ((( 606 +NN: The length of RS485 command 607 +))) 608 +* ((( 609 +XX XX XX XX: RS485 command total NN bytes 610 +))) 611 +* ((( 612 +((( 613 +YY: How many bytes will be uplink from the return of this RS485 command, 614 +))) 577 577 616 +* ((( 617 +if YY=0, RS485-LN will execute the downlink command without uplink; 618 +))) 619 +* ((( 620 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 621 +))) 622 +* ((( 623 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 624 +))) 625 +))) 626 + 627 +((( 578 578 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 629 +))) 579 579 631 +((( 580 580 To connect a Modbus Alarm with below commands. 633 +))) 581 581 582 -* 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. 635 +* ((( 636 +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. 637 +))) 583 583 584 -* 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. 639 +* ((( 640 +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. 641 +))) 585 585 643 +((( 586 586 So if user want to use downlink command to control to RS485 Alarm, he can use: 645 +))) 587 587 647 +((( 588 588 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 649 +))) 589 589 651 +((( 590 590 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 653 +))) 591 591 655 +((( 592 592 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. 657 +))) 593 593 659 +((( 660 + 661 +))) 594 594 663 +((( 595 595 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 665 +))) 596 596 667 +((( 597 597 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 669 +))) 598 598 671 +((( 672 + 673 +))) 599 599 675 +((( 600 600 RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is: 677 +))) 601 601 679 +((( 602 602 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 681 +))) 603 603 683 +((( 604 604 [[image:1654159460680-153.png]] 685 +))) 605 605 606 606 607 607 689 + 608 608 ==== **Set Payload version** ==== 609 609 610 -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 +))) 611 611 612 -* **AT Command:** 696 +* ((( 697 +**AT Command:** 698 +))) 613 613 614 614 (% class="box infomessage" %) 615 615 ((( 702 +((( 616 616 **AT+PAYVER: Set PAYVER field = 1** 617 617 ))) 705 +))) 618 618 619 -* **Downlink Payload:** 707 +* ((( 708 +**Downlink Payload:** 709 +))) 620 620 711 +((( 621 621 **0xAE 01** ~-~-> Set PAYVER field = 0x01 713 +))) 622 622 715 +((( 623 623 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 717 +))) 624 624 625 625 626 626 721 + 627 627 ==== **Set RS485 Sampling Commands** ==== 628 628 724 +((( 629 629 AT+COMMANDx or AT+DATACUTx 726 +))) 630 630 728 +((( 631 631 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 +))) 632 632 732 +((( 733 + 734 +))) 633 633 634 -* **AT Command:** 736 +* ((( 737 +**AT Command:** 738 +))) 635 635 636 636 (% class="box infomessage" %) 637 637 ((( 742 +((( 638 638 **AT+COMMANDx: Configure RS485 read command to sensor.** 639 639 ))) 745 +))) 640 640 641 641 (% class="box infomessage" %) 642 642 ((( 749 +((( 643 643 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 644 644 ))) 752 +))) 645 645 754 +((( 755 + 756 +))) 646 646 647 -* **Downlink Payload:** 758 +* ((( 759 +**Downlink Payload:** 760 +))) 648 648 762 +((( 649 649 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 764 +))) 650 650 766 +((( 651 651 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 768 +))) 652 652 770 +((( 653 653 Format: AF MM NN LL XX XX XX XX YY 772 +))) 654 654 774 +((( 655 655 Where: 776 +))) 656 656 657 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 658 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 659 -* LL: The length of AT+COMMAND or AT+DATACUT command 660 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 661 -* 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 +))) 662 662 794 +((( 663 663 **Example:** 796 +))) 664 664 798 +((( 665 665 (% 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 +))) 666 666 802 +((( 667 667 (% 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 +))) 668 668 806 +((( 669 669 (% 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 +))) 670 670 671 671 672 672 812 + 673 673 ==== **Fast command to handle MODBUS device** ==== 674 674 815 +((( 675 675 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 +))) 676 676 819 +((( 677 677 This command is valid since v1.3 firmware version 821 +))) 678 678 823 +((( 679 679 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 +))) 680 680 827 +((( 828 + 829 +))) 681 681 831 +((( 682 682 **Example:** 833 +))) 683 683 684 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 685 -* 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. 686 -* 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 +))) 687 687 688 688 [[image:image-20220602165351-6.png]] 689 689 ... ... @@ -691,200 +691,374 @@ 691 691 692 692 693 693 851 + 694 694 ==== **RS485 command timeout** ==== 695 695 854 +((( 696 696 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 +))) 697 697 858 +((( 698 698 Default value: 0, range: 0 ~~ 65 seconds 860 +))) 699 699 700 -* **AT Command:** 862 +* ((( 863 +**AT Command:** 864 +))) 701 701 702 702 (% class="box infomessage" %) 703 703 ((( 868 +((( 704 704 **AT+CMDDLaa=hex(bb cc)*1000** 705 705 ))) 871 +))) 706 706 873 +((( 707 707 **Example:** 875 +))) 708 708 877 +((( 709 709 **AT+CMDDL1=1000** to send the open time to 1000ms 879 +))) 710 710 881 +((( 882 + 883 +))) 711 711 712 -* **Downlink Payload:** 885 +* ((( 886 +**Downlink Payload:** 887 +))) 713 713 889 +((( 714 714 **0x AA aa bb cc** 891 +))) 715 715 893 +((( 716 716 Same as: AT+CMDDLaa=hex(bb cc)*1000 895 +))) 717 717 897 +((( 718 718 **Example:** 899 +))) 719 719 901 +((( 720 720 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 903 +))) 721 721 722 722 723 723 907 + 724 724 ==== **Uplink payload mode** ==== 725 725 910 +((( 726 726 Define to use one uplink or multiple uplinks for the sampling. 912 +))) 727 727 914 +((( 728 728 The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]] 916 +))) 729 729 730 -* **AT Command:** 918 +* ((( 919 +**AT Command:** 920 +))) 731 731 732 732 (% class="box infomessage" %) 733 733 ((( 924 +((( 734 734 **AT+DATAUP=0** 735 735 ))) 927 +))) 736 736 737 737 (% class="box infomessage" %) 738 738 ((( 931 +((( 739 739 **AT+DATAUP=1** 740 740 ))) 934 +))) 741 741 936 +((( 937 + 938 +))) 742 742 743 -* **Downlink Payload:** 940 +* ((( 941 +**Downlink Payload:** 942 +))) 744 744 944 +((( 745 745 **0xAD 00** **~-~->** Same as AT+DATAUP=0 946 +))) 746 746 948 +((( 747 747 **0xAD 01** **~-~->** Same as AT+DATAUP=1 950 +))) 748 748 749 749 750 750 954 + 751 751 ==== **Manually trigger an Uplink** ==== 752 752 957 +((( 753 753 Ask device to send an uplink immediately. 959 +))) 754 754 755 -* **AT Command:** 961 +* ((( 962 +**AT Command:** 963 +))) 756 756 965 +((( 757 757 No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same. 967 +))) 758 758 969 +((( 970 + 971 +))) 759 759 760 -* **Downlink Payload:** 973 +* ((( 974 +**Downlink Payload:** 975 +))) 761 761 977 +((( 762 762 **0x08 FF**, RS485-LN will immediately send an uplink. 979 +))) 763 763 764 764 765 765 983 + 766 766 ==== **Clear RS485 Command** ==== 767 767 986 +((( 768 768 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 988 +))) 769 769 770 -* **AT Command:** 990 +* ((( 991 +**AT Command:** 992 +))) 771 771 994 +((( 772 772 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 996 +))) 773 773 998 +((( 774 774 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1000 +))) 775 775 1002 +((( 776 776 Example screen shot after clear all RS485 commands. 1004 +))) 777 777 1006 +((( 1007 + 1008 +))) 778 778 1010 +((( 779 779 The uplink screen shot is: 1012 +))) 780 780 781 781 [[image:1654160691922-496.png]] 782 782 783 783 784 -* **Downlink Payload:** 1017 +* ((( 1018 +**Downlink Payload:** 1019 +))) 785 785 1021 +((( 786 786 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1023 +))) 787 787 788 788 789 789 1027 + 790 790 ==== **Set Serial Communication Parameters** ==== 791 791 1030 +((( 792 792 Set the Rs485 serial communication parameters: 1032 +))) 793 793 794 -* **AT Command:** 1034 +* ((( 1035 +**AT Command:** 1036 +))) 795 795 1038 +((( 796 796 Set Baud Rate: 1040 +))) 797 797 798 798 (% class="box infomessage" %) 799 799 ((( 1044 +((( 800 800 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 801 801 ))) 1047 +))) 802 802 1049 +((( 803 803 Set UART Parity 1051 +))) 804 804 805 805 (% class="box infomessage" %) 806 806 ((( 1055 +((( 807 807 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 808 808 ))) 1058 +))) 809 809 1060 +((( 810 810 Set STOPBIT 1062 +))) 811 811 812 812 (% class="box infomessage" %) 813 813 ((( 1066 +((( 814 814 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 815 815 ))) 1069 +))) 816 816 1071 +((( 1072 + 1073 +))) 817 817 818 -* **Downlink Payload:** 1075 +* ((( 1076 +**Downlink Payload:** 1077 +))) 819 819 1079 +((( 820 820 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1081 +))) 821 821 1083 +((( 822 822 **Example:** 1085 +))) 823 823 824 -* A7 01 00 60 same as AT+BAUDR=9600 825 -* 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 +))) 826 826 1094 +((( 827 827 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1096 +))) 828 828 1098 +((( 829 829 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1100 +))) 830 830 831 831 1103 + 1104 + 832 832 == 3.6 Listening mode for RS485 network == 833 833 1107 +((( 834 834 This feature support since firmware v1.4 1109 +))) 835 835 1111 +((( 836 836 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 +))) 837 837 838 838 [[image:image-20220602171200-8.png||height="567" width="1007"]] 839 839 1117 +((( 840 840 To enable the listening mode, use can run the command AT+RXMODE. 1119 +))) 841 841 1121 +((( 1122 + 1123 +))) 842 842 843 -(% border="1" style="background-color:#ffffcc; width:500px" %) 844 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 845 -|(% 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. 846 -|(% 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 847 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 848 -|(% 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 +))) 849 849 1152 +((( 850 850 **Downlink Command:** 1154 +))) 851 851 1156 +((( 852 852 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1158 +))) 853 853 1160 +((( 1161 + 1162 +))) 854 854 1164 +((( 855 855 **Example**: 1166 +))) 856 856 1168 +((( 857 857 The RS485-LN is set to AT+RXMODE=2,1000 1170 +))) 858 858 1172 +((( 859 859 There is a two Modbus commands in the RS485 network as below: 1174 +))) 860 860 1176 +((( 861 861 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1178 +))) 862 862 1180 +((( 863 863 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1182 +))) 864 864 1184 +((( 865 865 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 +))) 866 866 1188 +((( 867 867 [[image:image-20220602171200-9.png]] 1190 +))) 868 868 1192 +((( 1193 + 1194 +))) 869 869 1196 +((( 1197 +((( 870 870 (% 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 +))) 871 871 872 872 873 873 == 3.7 Buttons == 874 874 875 875 876 -(% border="1" style="background-color:#f7faff; width: 500px" %)877 -|=**Button**|=(% style="width: 1 420px;" %)**Feature**878 -|**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**879 -|**RST**|(% style="width:1 420px" %)Reboot RS485880 -|**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"]] 881 881 882 882 == 3.8 LEDs == 883 883 884 -(% border="1" style="background-color:#f7faff; width:500px" %) 885 -|=**LEDs**|=**Feature** 1214 + 1215 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1216 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature** 886 886 |**PWR**|Always on if there is power 887 -|**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. 888 888 889 889 = 4. Case Study = 890 890 ... ... @@ -895,19 +895,26 @@ 895 895 896 896 == 5.1 Access AT Command == 897 897 898 -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 +))) 899 899 900 900 [[image:1654162355560-817.png]] 901 901 902 902 903 -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 +))) 904 904 905 905 [[image:1654162368066-342.png]] 906 906 907 907 1243 +((( 908 908 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 +))) 909 909 910 910 1248 + 911 911 == 5.2 Common AT Command Sequence == 912 912 913 913 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -930,7 +930,9 @@ 930 930 ))) 931 931 932 932 1271 +((( 933 933 If device already joined network: 1273 +))) 934 934 935 935 (% class="box infomessage" %) 936 936 ((( ... ... @@ -969,10 +969,12 @@ 969 969 970 970 (% style="color:red" %)**Note:** 971 971 1312 +((( 972 972 (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server. 973 973 2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting. 974 974 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. 975 975 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 +))) 976 976 977 977 [[image:1654162478620-421.png]] 978 978 ... ... @@ -981,25 +981,45 @@ 981 981 982 982 == 6.1 How to upgrade the image? == 983 983 1326 +((( 984 984 The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to: 1328 +))) 985 985 986 -* Support new features 987 -* For bug fix 988 -* Change LoRaWAN bands. 1330 +* ((( 1331 +Support new features 1332 +))) 1333 +* ((( 1334 +For bug fix 1335 +))) 1336 +* ((( 1337 +Change LoRaWAN bands. 1338 +))) 989 989 1340 +((( 990 990 Below shows the hardware connection for how to upload an image to RS485-LN: 1342 +))) 991 991 992 992 [[image:1654162535040-878.png]] 993 993 1346 +((( 994 994 **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 +))) 995 995 1350 +((( 996 996 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1352 +))) 997 997 1354 +((( 998 998 **Step3: **Open flashloader; choose the correct COM port to update. 1356 +))) 999 999 1000 1000 ((( 1359 +((( 1360 +((( 1001 1001 (% 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. 1002 1002 ))) 1363 +))) 1364 +))) 1003 1003 1004 1004 1005 1005 [[image:image-20220602175818-12.png]] ... ... @@ -1021,9 +1021,9 @@ 1021 1021 User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1022 1022 1023 1023 1024 -== 6.3 How many RS485-Slave can RS485- BL connects? ==1386 +== 6.3 How many RS485-Slave can RS485-LN connects? == 1025 1025 1026 -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"]]. 1027 1027 1028 1028 1029 1029 == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? == ... ... @@ -1062,7 +1062,6 @@ 1062 1062 * (% style="color:blue" %)**RU864**(%%): frequency bands RU864 1063 1063 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1064 1064 1065 - 1066 1066 = 9.Packing Info = 1067 1067 1068 1068 ... ... @@ -1079,7 +1079,6 @@ 1079 1079 * Package Size / pcs : 14.5 x 8 x 5 cm 1080 1080 * Weight / pcs : 170g 1081 1081 1082 - 1083 1083 = 10. FCC Caution for RS485LN-US915 = 1084 1084 1085 1085 (((