Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Karry Zhuang on 2025/03/06 16:34
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... ... @@ -76,23 +76,33 @@ 76 76 77 77 ((( 78 78 ((( 79 +((( 79 79 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. 80 80 ))) 82 +))) 81 81 82 82 ((( 85 +((( 83 83 RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on. 84 84 ))) 88 +))) 85 85 86 86 ((( 91 +((( 87 87 (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server. 88 88 ))) 94 +))) 89 89 90 90 ((( 97 +((( 91 91 (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices. 99 +))) 92 92 101 +((( 93 93 (% 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]] 94 94 ))) 95 95 ))) 105 +))) 96 96 97 97 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1653267211009-519.png?width=724&height=419&rev=1.1||alt="1653267211009-519.png" height="419" width="724"]] 98 98 ... ... @@ -163,9 +163,13 @@ 163 163 164 164 ((( 165 165 ((( 176 +((( 166 166 v1.2: Add External Interrupt Pin. 178 +))) 167 167 180 +((( 168 168 v1.0: Release 182 +))) 169 169 170 170 171 171 ))) ... ... @@ -193,7 +193,9 @@ 193 193 == 3.1 How it works? == 194 194 195 195 ((( 210 +((( 196 196 The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA. 212 +))) 197 197 198 198 199 199 ))) ... ... @@ -283,19 +283,19 @@ 283 283 284 284 To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are: 285 285 286 -(% border="1" style="background-color:#ffffcc; color:green; width: 782px" %)287 -|(% style="width:1 28px" %)(((302 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 303 +|=(% style="width: 110px;" %)((( 288 288 **AT Commands** 289 -)))|(% style="width: 305px" %)(((305 +)))|=(% style="width: 190px;" %)((( 290 290 **Description** 291 -)))|(% style="width: 346px" %)(((307 +)))|=(% style="width: 190px;" %)((( 292 292 **Example** 293 293 ))) 294 -|(% style="width:1 28px" %)(((310 +|(% style="width:110px" %)((( 295 295 AT+BAUDR 296 -)))|(% style="width: 305px" %)(((312 +)))|(% style="width:190px" %)((( 297 297 Set the baud rate (for RS485 connection). Default Value is: 9600. 298 -)))|(% style="width: 346px" %)(((314 +)))|(% style="width:190px" %)((( 299 299 ((( 300 300 AT+BAUDR=9600 301 301 ))) ... ... @@ -304,11 +304,11 @@ 304 304 Options: (1200,2400,4800,14400,19200,115200) 305 305 ))) 306 306 ))) 307 -|(% style="width:1 28px" %)(((323 +|(% style="width:110px" %)((( 308 308 AT+PARITY 309 -)))|(% style="width: 305px" %)(((325 +)))|(% style="width:190px" %)((( 310 310 Set UART parity (for RS485 connection) 311 -)))|(% style="width: 346px" %)(((327 +)))|(% style="width:190px" %)((( 312 312 ((( 313 313 AT+PARITY=0 314 314 ))) ... ... @@ -317,9 +317,9 @@ 317 317 Option: 0: no parity, 1: odd parity, 2: even parity 318 318 ))) 319 319 ))) 320 -|(% style="width:1 28px" %)(((336 +|(% style="width:110px" %)((( 321 321 AT+STOPBIT 322 -)))|(% style="width: 305px" %)(((338 +)))|(% style="width:190px" %)((( 323 323 ((( 324 324 Set serial stopbit (for RS485 connection) 325 325 ))) ... ... @@ -327,7 +327,7 @@ 327 327 ((( 328 328 329 329 ))) 330 -)))|(% style="width: 346px" %)(((346 +)))|(% style="width:190px" %)((( 331 331 ((( 332 332 AT+STOPBIT=0 for 1bit 333 333 ))) ... ... @@ -341,7 +341,6 @@ 341 341 ))) 342 342 ))) 343 343 344 - 345 345 === 3.3.2 Configure sensors === 346 346 347 347 ((( ... ... @@ -350,17 +350,16 @@ 350 350 ))) 351 351 ))) 352 352 353 -(% border="1" style="background-color:#ffffcc; color:green; width: 806px" %)354 -|**AT Commands**|(% style="width: 418px" %)**Description**|(% style="width:256px" %)**Example**355 -|AT+CFGDEV|(% style="width: 418px" %)(((368 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 369 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example** 370 +|AT+CFGDEV|(% style="width:110px" %)((( 356 356 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 357 357 358 358 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 359 359 360 360 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 361 -)))|(% style="width: 256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m376 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 362 362 363 - 364 364 === 3.3.3 Configure read commands for each sampling === 365 365 366 366 ((( ... ... @@ -406,8 +406,8 @@ 406 406 407 407 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 408 408 409 -(% border="1" style="background-color:#4bacc6; color:white; width: 725px" %)410 -|(% style="width: 722px" %)(((423 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 424 +|(% style="width:510px" %)((( 411 411 **AT+DATACUTx=a,b,c** 412 412 413 413 * **a: length for the return of AT+COMMAND** ... ... @@ -533,34 +533,35 @@ 533 533 534 534 == 3.4 Uplink Payload == 535 535 536 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 537 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 538 -|Value|(% style="width:120px" %)((( 539 -Battery(mV) 540 540 541 - &551 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220606110929-1.png?rev=1.1||alt="image-20220606110929-1.png"]] 542 542 543 -Interrupt _Flag 544 -)))|(% style="width:116px" %)((( 545 -PAYLOAD_VER 546 - 547 - 548 -)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server. 549 - 550 550 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 551 551 552 552 553 553 == 3.5 Configure RS485-BL via AT or Downlink == 554 554 558 +((( 555 555 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 560 +))) 556 556 562 +((( 557 557 There are two kinds of Commands: 564 +))) 558 558 559 -* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 566 +* ((( 567 +(% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] 568 +))) 560 560 561 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 570 +* ((( 571 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 572 +))) 562 562 574 +((( 575 + 576 +))) 563 563 578 + 564 564 === 3.5.1 Common Commands === 565 565 566 566 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]] ... ... @@ -579,142 +579,282 @@ 579 579 580 580 581 581 597 + 582 582 ==== **RS485 Debug Command** ==== 583 583 600 +((( 584 584 This command is used to configure the RS485 devices; they won’t be used during sampling. 602 +))) 585 585 586 -* **AT Command** 604 +* ((( 605 +**AT Command** 606 +))) 587 587 588 588 (% class="box infomessage" %) 589 589 ((( 610 +((( 590 590 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 591 591 ))) 613 +))) 592 592 615 +((( 593 593 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 617 +))) 594 594 595 -* **Downlink Payload** 619 +* ((( 620 +**Downlink Payload** 621 +))) 596 596 623 +((( 597 597 Format: A8 MM NN XX XX XX XX YY 625 +))) 598 598 627 +((( 599 599 Where: 629 +))) 600 600 601 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC 602 -* NN: The length of RS485 command 603 -* XX XX XX XX: RS485 command total NN bytes 604 -* YY: How many bytes will be uplink from the return of this RS485 command, 605 -** if YY=0, RS485-LN will execute the downlink command without uplink; 606 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 607 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 631 +* ((( 632 +MM: 1: add CRC-16/MODBUS ; 0: no CRC 633 +))) 634 +* ((( 635 +NN: The length of RS485 command 636 +))) 637 +* ((( 638 +XX XX XX XX: RS485 command total NN bytes 639 +))) 640 +* ((( 641 +((( 642 +YY: How many bytes will be uplink from the return of this RS485 command, 643 +))) 608 608 645 +* ((( 646 +if YY=0, RS485-LN will execute the downlink command without uplink; 647 +))) 648 +* ((( 649 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 650 +))) 651 +* ((( 652 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 653 +))) 654 +))) 655 + 656 +((( 609 609 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 658 +))) 610 610 660 +((( 611 611 To connect a Modbus Alarm with below commands. 662 +))) 612 612 613 -* 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. 664 +* ((( 665 +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. 666 +))) 614 614 615 -* 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. 668 +* ((( 669 +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. 670 +))) 616 616 672 +((( 617 617 So if user want to use downlink command to control to RS485 Alarm, he can use: 674 +))) 618 618 676 +((( 619 619 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 678 +))) 620 620 680 +((( 621 621 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 682 +))) 622 622 684 +((( 623 623 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. 686 +))) 624 624 688 +((( 689 + 690 +))) 625 625 692 +((( 626 626 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 694 +))) 627 627 696 +((( 628 628 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 698 +))) 629 629 700 +((( 701 + 702 +))) 630 630 704 +((( 631 631 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: 706 +))) 632 632 708 +((( 633 633 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 710 +))) 634 634 712 +((( 635 635 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654159460680-153.png?rev=1.1||alt="1654159460680-153.png"]] 714 +))) 636 636 637 637 638 638 718 + 639 639 ==== **Set Payload version** ==== 640 640 721 +((( 641 641 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. 723 +))) 642 642 643 -* **AT Command:** 725 +* ((( 726 +**AT Command:** 727 +))) 644 644 645 645 (% class="box infomessage" %) 646 646 ((( 731 +((( 647 647 **AT+PAYVER: Set PAYVER field = 1** 648 648 ))) 734 +))) 649 649 650 -* **Downlink Payload:** 736 +* ((( 737 +**Downlink Payload:** 738 +))) 651 651 740 +((( 652 652 **0xAE 01** ~-~-> Set PAYVER field = 0x01 742 +))) 653 653 744 +((( 654 654 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 746 +))) 655 655 656 656 657 657 750 + 658 658 ==== **Set RS485 Sampling Commands** ==== 659 659 753 +((( 660 660 AT+COMMANDx or AT+DATACUTx 755 +))) 661 661 757 +((( 662 662 These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#H3.3.3Configurereadcommandsforeachsampling]]. 759 +))) 663 663 761 +((( 762 + 763 +))) 664 664 665 -* **AT Command:** 765 +* ((( 766 +**AT Command:** 767 +))) 666 666 667 667 (% class="box infomessage" %) 668 668 ((( 771 +((( 669 669 **AT+COMMANDx: Configure RS485 read command to sensor.** 670 670 ))) 774 +))) 671 671 672 672 (% class="box infomessage" %) 673 673 ((( 778 +((( 674 674 **AT+DATACUTx: Configure how to handle return from RS485 devices.** 675 675 ))) 781 +))) 676 676 783 +((( 784 + 785 +))) 677 677 678 -* **Downlink Payload:** 787 +* ((( 788 +**Downlink Payload:** 789 +))) 679 679 791 +((( 680 680 **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx. 793 +))) 681 681 795 +((( 682 682 (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink. 797 +))) 683 683 799 +((( 684 684 Format: AF MM NN LL XX XX XX XX YY 801 +))) 685 685 803 +((( 686 686 Where: 805 +))) 687 687 688 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 689 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 690 -* LL: The length of AT+COMMAND or AT+DATACUT command 691 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command 692 -* 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. 807 +* ((( 808 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F, 809 +))) 810 +* ((( 811 +NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value. 812 +))) 813 +* ((( 814 +LL: The length of AT+COMMAND or AT+DATACUT command 815 +))) 816 +* ((( 817 +XX XX XX XX: AT+COMMAND or AT+DATACUT command 818 +))) 819 +* ((( 820 +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. 821 +))) 693 693 823 +((( 694 694 **Example:** 825 +))) 695 695 827 +((( 696 696 (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1 829 +))) 697 697 831 +((( 698 698 (% 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** 833 +))) 699 699 835 +((( 700 700 (% 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** 837 +))) 701 701 702 702 703 703 841 + 704 704 ==== **Fast command to handle MODBUS device** ==== 705 705 844 +((( 706 706 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]]. 846 +))) 707 707 848 +((( 708 708 This command is valid since v1.3 firmware version 850 +))) 709 709 852 +((( 710 710 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. 854 +))) 711 711 856 +((( 857 + 858 +))) 712 712 860 +((( 713 713 **Example:** 862 +))) 714 714 715 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 716 -* 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. 717 -* 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. 864 +* ((( 865 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN. 866 +))) 867 +* ((( 868 +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. 869 +))) 870 +* ((( 871 +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. 872 +))) 718 718 719 719 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602165351-6.png?rev=1.1||alt="image-20220602165351-6.png"]] 720 720 ... ... @@ -722,201 +722,374 @@ 722 722 723 723 724 724 880 + 725 725 ==== **RS485 command timeout** ==== 726 726 883 +((( 727 727 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. 885 +))) 728 728 887 +((( 729 729 Default value: 0, range: 0 ~~ 65 seconds 889 +))) 730 730 731 -* **AT Command:** 891 +* ((( 892 +**AT Command:** 893 +))) 732 732 733 733 (% class="box infomessage" %) 734 734 ((( 897 +((( 735 735 **AT+CMDDLaa=hex(bb cc)*1000** 736 736 ))) 900 +))) 737 737 902 +((( 738 738 **Example:** 904 +))) 739 739 906 +((( 740 740 **AT+CMDDL1=1000** to send the open time to 1000ms 908 +))) 741 741 910 +((( 911 + 912 +))) 742 742 743 -* **Downlink Payload:** 914 +* ((( 915 +**Downlink Payload:** 916 +))) 744 744 918 +((( 745 745 **0x AA aa bb cc** 920 +))) 746 746 922 +((( 747 747 Same as: AT+CMDDLaa=hex(bb cc)*1000 924 +))) 748 748 926 +((( 749 749 **Example:** 928 +))) 750 750 930 +((( 751 751 0xAA 01 00 01 ~-~-> Same as **AT+CMDDL1=1000 ms** 932 +))) 752 752 753 753 754 754 936 + 755 755 ==== **Uplink payload mode** ==== 756 756 939 +((( 757 757 Define to use one uplink or multiple uplinks for the sampling. 941 +))) 758 758 943 +((( 759 759 The use of this command please see: [[Compose Uplink payload>>path:#H3.3.4Composetheuplinkpayload]] 945 +))) 760 760 761 -* **AT Command:** 947 +* ((( 948 +**AT Command:** 949 +))) 762 762 763 763 (% class="box infomessage" %) 764 764 ((( 953 +((( 765 765 **AT+DATAUP=0** 766 766 ))) 956 +))) 767 767 768 768 (% class="box infomessage" %) 769 769 ((( 960 +((( 770 770 **AT+DATAUP=1** 771 771 ))) 963 +))) 772 772 965 +((( 966 + 967 +))) 773 773 774 -* **Downlink Payload:** 969 +* ((( 970 +**Downlink Payload:** 971 +))) 775 775 973 +((( 776 776 **0xAD 00** **~-~->** Same as AT+DATAUP=0 975 +))) 777 777 977 +((( 778 778 **0xAD 01** **~-~->** Same as AT+DATAUP=1 979 +))) 779 779 780 780 781 781 983 + 782 782 ==== **Manually trigger an Uplink** ==== 783 783 986 +((( 784 784 Ask device to send an uplink immediately. 988 +))) 785 785 786 -* **AT Command:** 990 +* ((( 991 +**AT Command:** 992 +))) 787 787 788 -No AT Command for this, user can press the (% class="wikiinternallink" %)[[ACT button>>path:#Button]](%%) for 1 second for the same. 994 +((( 995 +No AT Command for this, user can press the [[ACT button>>path:#H3.7Buttons]] for 1 second for the same. 996 +))) 789 789 998 +((( 999 + 1000 +))) 790 790 791 -* **Downlink Payload:** 1002 +* ((( 1003 +**Downlink Payload:** 1004 +))) 792 792 1006 +((( 793 793 **0x08 FF**, RS485-LN will immediately send an uplink. 1008 +))) 794 794 795 795 796 796 1012 + 797 797 ==== **Clear RS485 Command** ==== 798 798 1015 +((( 799 799 The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them. 1017 +))) 800 800 801 -* **AT Command:** 1019 +* ((( 1020 +**AT Command:** 1021 +))) 802 802 1023 +((( 803 803 **AT+CMDEAR=mm,nn** mm: start position of erase ,nn: stop position of erase 1025 +))) 804 804 1027 +((( 805 805 Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10 1029 +))) 806 806 1031 +((( 807 807 Example screen shot after clear all RS485 commands. 1033 +))) 808 808 1035 +((( 1036 + 1037 +))) 809 809 1039 +((( 810 810 The uplink screen shot is: 1041 +))) 811 811 812 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654160691922-496.png?rev=1.1||alt="1654160691922-496.png"]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png||alt="file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png"]]1043 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654160691922-496.png?rev=1.1||alt="1654160691922-496.png"]] 813 813 814 814 815 -* **Downlink Payload:** 1046 +* ((( 1047 +**Downlink Payload:** 1048 +))) 816 816 1050 +((( 817 817 **0x09 aa bb** same as AT+CMDEAR=aa,bb 1052 +))) 818 818 819 819 820 820 1056 + 821 821 ==== **Set Serial Communication Parameters** ==== 822 822 1059 +((( 823 823 Set the Rs485 serial communication parameters: 1061 +))) 824 824 825 -* **AT Command:** 1063 +* ((( 1064 +**AT Command:** 1065 +))) 826 826 1067 +((( 827 827 Set Baud Rate: 1069 +))) 828 828 829 829 (% class="box infomessage" %) 830 830 ((( 1073 +((( 831 831 **AT+BAUDR=9600** ~/~/ Options: (1200,2400,4800,14400,19200,115200) 832 832 ))) 1076 +))) 833 833 1078 +((( 834 834 Set UART Parity 1080 +))) 835 835 836 836 (% class="box infomessage" %) 837 837 ((( 1084 +((( 838 838 **AT+PARITY=0** ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity 839 839 ))) 1087 +))) 840 840 1089 +((( 841 841 Set STOPBIT 1091 +))) 842 842 843 843 (% class="box infomessage" %) 844 844 ((( 1095 +((( 845 845 **AT+STOPBIT=0** ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits 846 846 ))) 1098 +))) 847 847 1100 +((( 1101 + 1102 +))) 848 848 849 -* **Downlink Payload:** 1104 +* ((( 1105 +**Downlink Payload:** 1106 +))) 850 850 1108 +((( 851 851 **A7 01 aa bb**: Same AT+BAUDR=hex(aa bb)*100 1110 +))) 852 852 1112 +((( 853 853 **Example:** 1114 +))) 854 854 855 -* A7 01 00 60 same as AT+BAUDR=9600 856 -* A7 01 04 80 same as AT+BAUDR=115200 1116 +* ((( 1117 +A7 01 00 60 same as AT+BAUDR=9600 1118 +))) 1119 +* ((( 1120 +A7 01 04 80 same as AT+BAUDR=115200 1121 +))) 857 857 1123 +((( 858 858 A7 02 aa: Same as AT+PARITY=aa (aa value: 00 , 01 or 02) 1125 +))) 859 859 1127 +((( 860 860 A7 03 aa: Same as AT+STOPBIT=aa (aa value: 00 , 01 or 02) 1129 +))) 861 861 862 862 1132 + 1133 + 863 863 == 3.6 Listening mode for RS485 network == 864 864 1136 +((( 865 865 This feature support since firmware v1.4 1138 +))) 866 866 1140 +((( 867 867 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. 1142 +))) 868 868 869 869 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-8.png?width=1007&height=567&rev=1.1||alt="image-20220602171200-8.png" height="567" width="1007"]] 870 870 1146 +((( 871 871 To enable the listening mode, use can run the command AT+RXMODE. 1148 +))) 872 872 1150 +((( 1151 + 1152 +))) 873 873 874 -(% border="1" style="background-color:#ffffcc; width:500px" %) 875 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function** 876 -|(% 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. 877 -|(% 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 878 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings. 879 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 ~| cc) 1154 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %) 1155 +|=(% style="width: 161px;" %)((( 1156 +**Command example:** 1157 +)))|=(% style="width: 337px;" %)((( 1158 +**Function** 1159 +))) 1160 +|(% style="width:161px" %)((( 1161 +AT+RXMODE=1,10 1162 +)))|(% style="width:337px" %)((( 1163 +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. 1164 +))) 1165 +|(% style="width:161px" %)((( 1166 +AT+RXMODE=2,500 1167 +)))|(% style="width:337px" %)((( 1168 +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 1169 +))) 1170 +|(% style="width:161px" %)((( 1171 +AT+RXMODE=0,0 1172 +)))|(% style="width:337px" %)((( 1173 +Disable listening mode. This is the default settings. 1174 +))) 1175 +|(% style="width:161px" %)((( 1176 + 1177 +)))|(% style="width:337px" %)((( 1178 +A6 aa bb cc same as AT+RXMODE=aa,(bb<<8 | cc) 1179 +))) 880 880 1181 +((( 881 881 **Downlink Command:** 1183 +))) 882 882 1185 +((( 883 883 **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc) 1187 +))) 884 884 1189 +((( 1190 + 1191 +))) 885 885 1193 +((( 886 886 **Example**: 1195 +))) 887 887 1197 +((( 888 888 The RS485-LN is set to AT+RXMODE=2,1000 1199 +))) 889 889 1201 +((( 890 890 There is a two Modbus commands in the RS485 network as below: 1203 +))) 891 891 1205 +((( 892 892 The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b 1207 +))) 893 893 1209 +((( 894 894 And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33 1211 +))) 895 895 1213 +((( 896 896 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 1215 +))) 897 897 1217 +((( 898 898 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602171200-9.png?rev=1.1||alt="image-20220602171200-9.png"]] 1219 +))) 899 899 1221 +((( 1222 + 1223 +))) 900 900 1225 +((( 901 901 (% 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. 1227 +))) 902 902 903 903 904 904 == 3.7 Buttons == 905 905 906 906 907 -(% border="1" style="background-color:#f7faff; width: 500px" %)908 -|=**Button**|=(% style="width: 1420px;" %)**Feature**909 -|**ACT**|(% style="width: 1420px" %)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**910 -|**RST**|(% style="width: 1420px" %)Reboot RS485911 -|**PRO**|(% style="width: 1420px" %)Use for upload image, see(% class="wikiinternallink" %)[[How to Update Image>>path:#upgrade_image]]1233 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %) 1234 +|=(% style="width: 30px;" %)**Button**|=(% style="width: 355px;" %)**Feature** 1235 +|=(% style="width: 30px;" %)**ACT**|(% style="width:355px" %)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** 1236 +|=(% style="width: 30px;" %)**RST**|(% style="width:355px" %)Reboot RS485 1237 +|=(% style="width: 30px;" %)**PRO**|(% style="width:355px" %)Use for upload image, see [[How to Update Image>>path:#H6.1Howtoupgradetheimage3F]] 912 912 1239 + 913 913 == 3.8 LEDs == 914 914 915 -(% border="1" style="background-color:#f7faff; width:500px" %) 916 -|=**LEDs**|=**Feature** 917 -|**PWR**|Always on if there is power 918 -|**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.1242 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %) 1243 +|=(% style="width: 30px;" %)**LEDs**|=(% style="width: 400px;" %)**Feature** 1244 +|(% style="width:30px" %)**PWR**|=(% style="width: 400px;" %)Always on if there is power 1245 +|(% style="width:30px" %)**SYS**|=(% style="width: 400px;" %)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. 919 919 1247 + 920 920 = 4. Case Study = 921 921 922 922 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>path:/xwiki/bin/view/Main/Application%20Note%20%3A%20Communicate%20with%20Different%20Sensors%20-----%20RS485-LN%20%20RS485-BL/]] ... ... @@ -926,19 +926,26 @@ 926 926 927 927 == 5.1 Access AT Command == 928 928 1257 +((( 929 929 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. 1259 +))) 930 930 931 931 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162355560-817.png?rev=1.1||alt="1654162355560-817.png"]] 932 932 933 933 1264 +((( 934 934 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: 1266 +))) 935 935 936 936 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/1654162368066-342.png?rev=1.1||alt="1654162368066-342.png"]] 937 937 938 938 939 -More detail AT Command manual can be found at [[AT Command Manual>>path:#3.5ConfigureRS485-BLviaATorDownlink]] 1271 +((( 1272 +More detail AT Command manual can be found at [[AT Command Manual>>url:https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1273 +))) 940 940 941 941 1276 + 942 942 == 5.2 Common AT Command Sequence == 943 943 944 944 === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) === ... ... @@ -1028,7 +1028,9 @@ 1028 1028 1029 1029 **Step3: **Open flashloader; choose the correct COM port to update. 1030 1030 1366 +((( 1031 1031 (% 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. 1368 +))) 1032 1032 1033 1033 1034 1034 [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/RS485-LN%20%E2%80%93%20RS485%20to%20LoRaWAN%20Converter/WebHome/image-20220602175818-12.png?rev=1.1||alt="image-20220602175818-12.png"]] ... ... @@ -1109,30 +1109,60 @@ 1109 1109 1110 1110 = 10. FCC Caution for RS485LN-US915 = 1111 1111 1449 +((( 1112 1112 Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 1451 +))) 1113 1113 1453 +((( 1114 1114 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 1455 +))) 1115 1115 1457 +((( 1458 + 1459 +))) 1116 1116 1461 +((( 1117 1117 **IMPORTANT NOTE:** 1463 +))) 1118 1118 1465 +((( 1119 1119 **Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1467 +))) 1120 1120 1469 +((( 1121 1121 —Reorient or relocate the receiving antenna. 1471 +))) 1122 1122 1473 +((( 1123 1123 —Increase the separation between the equipment and receiver. 1475 +))) 1124 1124 1477 +((( 1125 1125 —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 1479 +))) 1126 1126 1481 +((( 1127 1127 —Consult the dealer or an experienced radio/TV technician for help. 1483 +))) 1128 1128 1485 +((( 1486 + 1487 +))) 1129 1129 1489 +((( 1130 1130 **FCC Radiation Exposure Statement:** 1491 +))) 1131 1131 1493 +((( 1132 1132 This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body. 1495 +))) 1133 1133 1134 1134 1135 1135 = 11. Support = 1136 1136 1137 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1138 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 1500 +* ((( 1501 +Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule. 1502 +))) 1503 +* ((( 1504 +Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]. 1505 +)))
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