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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... ... @@ -24,33 +24,23 @@ 24 24 25 25 ((( 26 26 ((( 27 -((( 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 -))) 31 31 32 32 ((( 33 -((( 34 34 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. 35 35 ))) 36 -))) 37 37 38 38 ((( 39 -((( 40 40 (% 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. 41 41 ))) 42 -))) 43 43 44 44 ((( 45 -((( 46 46 (% 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. 47 -))) 48 48 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]] 51 51 ))) 52 52 ))) 53 -))) 54 54 55 55 [[image:1653267211009-519.png||height="419" width="724"]] 56 56 ... ... @@ -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/]] ... ... @@ -123,13 +123,9 @@ 123 123 124 124 ((( 125 125 ((( 126 -((( 127 127 v1.2: Add External Interrupt Pin. 128 -))) 129 129 130 -((( 131 131 v1.0: Release 132 -))) 133 133 134 134 135 135 ))) ... ... @@ -157,9 +157,7 @@ 157 157 == 3.1 How it works? == 158 158 159 159 ((( 160 -((( 161 161 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. 162 -))) 163 163 164 164 165 165 ))) ... ... @@ -249,19 +249,19 @@ 249 249 250 250 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: 251 251 252 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)253 -| =(% style="width:10px;" %)(((234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %) 235 +|(% style="width:128px" %)((( 254 254 **AT Commands** 255 -)))| =(% style="width:190px;" %)(((237 +)))|(% style="width:305px" %)((( 256 256 **Description** 257 -)))| =(% style="width:190px;" %)(((239 +)))|(% style="width:346px" %)((( 258 258 **Example** 259 259 ))) 260 -|(% style="width:1 10px" %)(((242 +|(% style="width:128px" %)((( 261 261 AT+BAUDR 262 -)))|(% style="width: 190px" %)(((244 +)))|(% style="width:305px" %)((( 263 263 Set the baud rate (for RS485 connection). Default Value is: 9600. 264 -)))|(% style="width: 190px" %)(((246 +)))|(% style="width:346px" %)((( 265 265 ((( 266 266 AT+BAUDR=9600 267 267 ))) ... ... @@ -270,11 +270,11 @@ 270 270 Options: (1200,2400,4800,14400,19200,115200) 271 271 ))) 272 272 ))) 273 -|(% style="width:1 10px" %)(((255 +|(% style="width:128px" %)((( 274 274 AT+PARITY 275 -)))|(% style="width: 190px" %)(((257 +)))|(% style="width:305px" %)((( 276 276 Set UART parity (for RS485 connection) 277 -)))|(% style="width: 190px" %)(((259 +)))|(% style="width:346px" %)((( 278 278 ((( 279 279 AT+PARITY=0 280 280 ))) ... ... @@ -283,9 +283,9 @@ 283 283 Option: 0: no parity, 1: odd parity, 2: even parity 284 284 ))) 285 285 ))) 286 -|(% style="width:1 10px" %)(((268 +|(% style="width:128px" %)((( 287 287 AT+STOPBIT 288 -)))|(% style="width: 190px" %)(((270 +)))|(% style="width:305px" %)((( 289 289 ((( 290 290 Set serial stopbit (for RS485 connection) 291 291 ))) ... ... @@ -293,7 +293,7 @@ 293 293 ((( 294 294 295 295 ))) 296 -)))|(% style="width: 190px" %)(((278 +)))|(% style="width:346px" %)((( 297 297 ((( 298 298 AT+STOPBIT=0 for 1bit 299 299 ))) ... ... @@ -307,8 +307,6 @@ 307 307 ))) 308 308 ))) 309 309 310 - 311 - 312 312 === 3.3.2 Configure sensors === 313 313 314 314 ((( ... ... @@ -317,18 +317,16 @@ 317 317 ))) 318 318 ))) 319 319 320 -(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)321 -| =(% style="width: 110px;" %)**AT Commands**|=(% style="width:90px;" %)**Description**|=(% style="width:190px;" %)**Example**322 -|AT+CFGDEV|(% style="width:1 10px" %)(((300 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %) 301 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example** 302 +|AT+CFGDEV|(% style="width:418px" %)((( 323 323 This command is used to configure the RS485/TTL devices; they won’t be used during sampling. 324 324 325 325 AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx, 326 326 327 327 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 328 -)))|(% style="width: 190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m308 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 329 329 330 - 331 - 332 332 === 3.3.3 Configure read commands for each sampling === 333 333 334 334 ((( ... ... @@ -374,8 +374,8 @@ 374 374 375 375 **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes. 376 376 377 -(% border="1" style="background-color:#4bacc6; color:white; width:5 10px" %)378 -|(% style="width: 510px" %)(((355 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %) 356 +|(% style="width:722px" %)((( 379 379 **AT+DATACUTx=a,b,c** 380 380 381 381 * **a: length for the return of AT+COMMAND** ... ... @@ -501,35 +501,33 @@ 501 501 502 502 == 3.4 Uplink Payload == 503 503 482 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %) 483 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands** 484 +|Value|(% style="width:120px" %)((( 485 +Battery(mV) 504 504 505 - [[image:image-20220606110929-1.png]]487 +& 506 506 489 +Interrupt _Flag 490 +)))|(% style="width:116px" %)((( 491 +PAYLOAD_VER 492 + 493 + 494 +)))|(% 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. 495 + 507 507 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 508 508 509 509 510 510 == 3.5 Configure RS485-BL via AT or Downlink == 511 511 512 -((( 513 513 User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands 514 -))) 515 515 516 -((( 517 517 There are two kinds of Commands: 518 -))) 519 519 520 -* ((( 521 -(% 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 522 -))) 505 +* (% 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>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 523 523 524 -* ((( 525 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 526 -))) 507 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN. User can see these commands below: 527 527 528 -((( 529 - 530 -))) 531 - 532 - 533 533 === 3.5.1 Common Commands === 534 534 535 535 They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] ... ... @@ -550,152 +550,77 @@ 550 550 551 551 ==== **RS485 Debug Command** ==== 552 552 553 -((( 554 554 This command is used to configure the RS485 devices; they won’t be used during sampling. 555 -))) 556 556 557 -* ((( 558 -**AT Command** 559 -))) 531 +* **AT Command** 560 560 561 561 (% class="box infomessage" %) 562 562 ((( 563 -((( 564 564 **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m** 565 565 ))) 566 -))) 567 567 568 -((( 569 569 m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 570 -))) 571 571 572 -* ((( 573 -**Downlink Payload** 574 -))) 540 +* **Downlink Payload** 575 575 576 -((( 577 577 Format: A8 MM NN XX XX XX XX YY 578 -))) 579 579 580 -((( 581 581 Where: 582 -))) 583 583 584 -* ((( 585 -MM: 1: add CRC-16/MODBUS ; 0: no CRC 586 -))) 587 -* ((( 588 -NN: The length of RS485 command 589 -))) 590 -* ((( 591 -XX XX XX XX: RS485 command total NN bytes 592 -))) 593 -* ((( 594 -((( 595 -YY: How many bytes will be uplink from the return of this RS485 command, 596 -))) 546 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC 547 +* NN: The length of RS485 command 548 +* XX XX XX XX: RS485 command total NN bytes 549 +* YY: How many bytes will be uplink from the return of this RS485 command, 550 +** if YY=0, RS485-LN will execute the downlink command without uplink; 551 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 552 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 597 597 598 -* ((( 599 -if YY=0, RS485-LN will execute the downlink command without uplink; 600 -))) 601 -* ((( 602 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200 603 -))) 604 -* ((( 605 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200. 606 -))) 607 -))) 608 - 609 -((( 610 610 **Example 1** ~-~-> Configure without ask for uplink (YY=0) 611 -))) 612 612 613 -((( 614 614 To connect a Modbus Alarm with below commands. 615 -))) 616 616 617 -* ((( 618 -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. 619 -))) 558 +* 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. 620 620 621 -* ((( 622 -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. 623 -))) 560 +* 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. 624 624 625 -((( 626 626 So if user want to use downlink command to control to RS485 Alarm, he can use: 627 -))) 628 628 629 -((( 630 630 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm 631 -))) 632 632 633 -((( 634 634 (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm 635 -))) 636 636 637 -((( 638 638 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. 639 -))) 640 640 641 -((( 642 - 643 -))) 644 644 645 -((( 646 646 **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**) 647 -))) 648 648 649 -((( 650 650 User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY** 651 -))) 652 652 653 -((( 654 - 655 -))) 656 656 657 -((( 658 658 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: 659 -))) 660 660 661 -((( 662 662 **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00 **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00** 663 -))) 664 664 665 -((( 666 666 [[image:1654159460680-153.png]] 667 -))) 668 668 669 669 670 670 671 671 ==== **Set Payload version** ==== 672 672 673 -((( 674 674 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. 675 -))) 676 676 677 -* ((( 678 -**AT Command:** 679 -))) 588 +* **AT Command:** 680 680 681 681 (% class="box infomessage" %) 682 682 ((( 683 -((( 684 684 **AT+PAYVER: Set PAYVER field = 1** 685 685 ))) 686 -))) 687 687 688 -* ((( 689 -**Downlink Payload:** 690 -))) 595 +* **Downlink Payload:** 691 691 692 -((( 693 693 **0xAE 01** ~-~-> Set PAYVER field = 0x01 694 -))) 695 695 696 -((( 697 697 **0xAE 0F** ~-~-> Set PAYVER field = 0x0F 698 -))) 699 699 700 700 701 701 ... ... @@ -954,6 +954,7 @@ 954 954 |**RST**|(% style="width:1420px" %)Reboot RS485 955 955 |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 956 956 858 + 957 957 == 3.8 LEDs == 958 958 959 959 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -961,6 +961,7 @@ 961 961 |**PWR**|Always on if there is power 962 962 |**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. 963 963 866 + 964 964 = 4. Case Study = 965 965 966 966 User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]] ... ... @@ -1138,6 +1138,7 @@ 1138 1138 * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865 1139 1139 1140 1140 1044 + 1141 1141 = 9.Packing Info = 1142 1142 1143 1143 ... ... @@ -1155,6 +1155,7 @@ 1155 1155 * Weight / pcs : 170g 1156 1156 1157 1157 1062 + 1158 1158 = 10. FCC Caution for RS485LN-US915 = 1159 1159 1160 1160 (((
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