Changes for page RS485-BL – Waterproof RS485 to LoRaWAN Converter
Last modified by Xiaoling on 2025/04/23 15:57
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... ... @@ -7,12 +7,15 @@ 7 7 **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual** 8 8 9 9 10 + 10 10 **Table of Contents:** 11 11 13 +{{toc/}} 12 12 13 13 14 14 15 15 18 + 16 16 = 1.Introduction = 17 17 18 18 == 1.1 What is RS485-BL RS485 to LoRaWAN Converter == ... ... @@ -22,19 +22,19 @@ 22 22 ))) 23 23 24 24 ((( 25 -The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server. 28 +The Dragino RS485-BL is a (% style="color:blue" %)**RS485 / UART to LoRaWAN Converter**(%%) for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server. 26 26 ))) 27 27 28 28 ((( 29 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption. 32 +RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides (% style="color:blue" %)**a 3.3v output**(%%) and** (% style="color:blue" %)a 5v output(%%)** to power external sensors. Both output voltages are controllable to minimize the total system power consumption. 30 30 ))) 31 31 32 32 ((( 33 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years. 36 +RS485-BL is IP67 (% style="color:blue" %)**waterproof**(%%) and powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use for several years. 34 34 ))) 35 35 36 36 ((( 37 -RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server. 40 +RS485-BL runs standard (% style="color:blue" %)**LoRaWAN 1.0.3 in Class A**(%%). It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server. 38 38 ))) 39 39 40 40 ((( ... ... @@ -51,8 +51,11 @@ 51 51 52 52 [[image:1652953304999-717.png||height="424" width="733"]] 53 53 57 + 58 + 54 54 == 1.2 Specifications == 55 55 61 + 56 56 **Hardware System:** 57 57 58 58 * STM32L072CZT6 MCU ... ... @@ -59,8 +59,6 @@ 59 59 * SX1276/78 Wireless Chip 60 60 * Power Consumption (exclude RS485 device): 61 61 ** Idle: 6uA@3.3v 62 - 63 -* 64 64 ** 20dB Transmit: 130mA@3.3v 65 65 66 66 **Interface for Model:** ... ... @@ -114,9 +114,12 @@ 114 114 115 115 [[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]] 116 116 121 + 117 117 == 1.6 Hardware Change log == 118 118 119 119 ((( 125 + 126 + 120 120 v1.4 121 121 ))) 122 122 ... ... @@ -140,6 +140,8 @@ 140 140 141 141 ((( 142 142 Release version 150 + 151 + 143 143 ))) 144 144 145 145 = 2. Pin mapping and Power ON Device = ... ... @@ -153,6 +153,7 @@ 153 153 154 154 The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper. 155 155 165 + 156 156 = 3. Operation Mode = 157 157 158 158 == 3.1 How it works? == ... ... @@ -159,6 +159,8 @@ 159 159 160 160 ((( 161 161 The RS485-BL is configured as LoRaWAN OTAA Class A 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-BL. It will auto join the network via OTAA. 172 + 173 + 162 162 ))) 163 163 164 164 == 3.2 Example to join LoRaWAN network == ... ... @@ -194,8 +194,6 @@ 194 194 ))) 195 195 196 196 197 - 198 - 199 199 [[image:image-20220519174512-1.png]] 200 200 201 201 [[image:image-20220519174512-2.png||height="328" width="731"]] ... ... @@ -219,10 +219,13 @@ 219 219 220 220 [[image:1652953568895-172.png||height="232" width="724"]] 221 221 232 + 222 222 == 3.3 Configure Commands to read data == 223 223 224 224 ((( 225 -There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors. 236 +There are plenty of RS485 and TTL level devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-BL supports flexible command set. User can use [[AT Commands or LoRaWAN Downlink>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors. 237 + 238 + 226 226 ))) 227 227 228 228 === 3.3.1 onfigure UART settings for RS485 or TTL communication === ... ... @@ -323,8 +323,9 @@ 323 323 mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command 324 324 )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m 325 325 326 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>> path:#AT_CFGDEV]].339 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29"]]. 327 327 341 + 328 328 === 3.3.3 Configure read commands for each sampling === 329 329 330 330 ((( ... ... @@ -422,7 +422,7 @@ 422 422 423 423 **Examples:** 424 424 425 -1 .For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49439 +1)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 426 426 427 427 If we set AT+SEARCH1=1,1E 56 34. (max 5 bytes for prefix) 428 428 ... ... @@ -430,7 +430,7 @@ 430 430 431 431 [[image:1653271044481-711.png]] 432 432 433 - 1.For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49447 +2)For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49 434 434 435 435 If we set AT+SEARCH1=2, 1E 56 34+31 00 49 436 436 ... ... @@ -449,16 +449,18 @@ 449 449 * **c: define the position for valid value. ** 450 450 ))) 451 451 452 -Examples: 466 +**Examples:** 453 453 454 454 * Grab bytes: 455 455 456 456 [[image:1653271581490-837.png||height="313" width="722"]] 457 457 472 + 458 458 * Grab a section. 459 459 460 460 [[image:1653271648378-342.png||height="326" width="720"]] 461 461 477 + 462 462 * Grab different sections. 463 463 464 464 [[image:1653271657255-576.png||height="305" width="730"]] ... ... @@ -501,6 +501,7 @@ 501 501 502 502 [[image:1653271763403-806.png]] 503 503 520 + 504 504 === 3.3.4 Compose the uplink payload === 505 505 506 506 ((( ... ... @@ -508,7 +508,7 @@ 508 508 ))) 509 509 510 510 ((( 511 -(% style="color:# 4f81bd" %)**Examples: AT+DATAUP=0**528 +(% style="color:#037691" %)**Examples: AT+DATAUP=0** 512 512 ))) 513 513 514 514 ((( ... ... @@ -520,7 +520,7 @@ 520 520 ))) 521 521 522 522 ((( 523 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx 540 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx** 524 524 ))) 525 525 526 526 ((( ... ... @@ -529,8 +529,12 @@ 529 529 530 530 [[image:1653272787040-634.png||height="515" width="719"]] 531 531 549 + 550 + 532 532 ((( 533 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1** 552 +(% style="color:#037691" %)**Examples: AT+DATAUP=1** 553 + 554 + 534 534 ))) 535 535 536 536 ((( ... ... @@ -542,7 +542,7 @@ 542 542 ))) 543 543 544 544 ((( 545 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA 566 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA** 546 546 ))) 547 547 548 548 1. ((( ... ... @@ -565,6 +565,7 @@ 565 565 566 566 So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA 567 567 589 + 568 568 DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41 569 569 570 570 DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20 ... ... @@ -571,10 +571,12 @@ 571 571 572 572 DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30 573 573 596 + 574 574 Below are the uplink payloads: 575 575 576 576 [[image:1653272901032-107.png]] 577 577 601 + 578 578 (% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below: 579 579 580 580 ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date) ... ... @@ -585,6 +585,8 @@ 585 585 586 586 ~* For all other bands: max 51 bytes for each uplink ( so 51 -5 = 46 max valid date). 587 587 612 + 613 + 588 588 === 3.3.5 Uplink on demand === 589 589 590 590 ((( ... ... @@ -601,6 +601,8 @@ 601 601 602 602 ((( 603 603 **0xA8 command**: Send a command to RS485-BL and uplink the output from sensors. 630 + 631 + 604 604 ))) 605 605 606 606 === 3.3.6 Uplink on Interrupt === ... ... @@ -609,6 +609,7 @@ 609 609 610 610 [[image:1653273818896-432.png]] 611 611 640 + 612 612 ((( 613 613 AT+INTMOD=0 Disable Interrupt 614 614 ))) ... ... @@ -623,6 +623,8 @@ 623 623 624 624 ((( 625 625 AT+INTMOD=3 Interrupt trigger by rising edge. 655 + 656 + 626 626 ))) 627 627 628 628 == 3.4 Uplink Payload == ... ... @@ -650,47 +650,49 @@ 650 650 Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors. 651 651 652 652 ((( 653 -function Decoder(bytes, port) { 684 +{{{function Decoder(bytes, port) {}}} 654 654 ))) 655 655 656 656 ((( 657 - ~/~/Payload Formats of RS485-BL Deceive688 +{{{//Payload Formats of RS485-BL Deceive}}} 658 658 ))) 659 659 660 660 ((( 661 -return { 692 +{{{return {}}} 662 662 ))) 663 663 664 664 ((( 665 - ~/~/Battery,units:V696 +{{{ //Battery,units:V}}} 666 666 ))) 667 667 668 668 ((( 669 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000, 700 +{{{ BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,}}} 670 670 ))) 671 671 672 672 ((( 673 - ~/~/GPIO_EXTI704 +{{{ //GPIO_EXTI }}} 674 674 ))) 675 675 676 676 ((( 677 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE", 708 +{{{ EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",}}} 678 678 ))) 679 679 680 680 ((( 681 - ~/~/payload of version712 +{{{ //payload of version}}} 682 682 ))) 683 683 684 684 ((( 685 - Pay_ver:bytes[2], 716 +{{{ Pay_ver:bytes[2],}}} 686 686 ))) 687 687 688 688 ((( 689 - }; 720 +{{{ }; }}} 690 690 ))) 691 691 692 692 ((( 693 - } 724 +} 725 + 726 + 694 694 ))) 695 695 696 696 ((( ... ... @@ -699,29 +699,30 @@ 699 699 700 700 [[image:1653274001211-372.png||height="192" width="732"]] 701 701 735 + 702 702 == 3.5 Configure RS485-BL via AT or Downlink == 703 703 704 -User can configure RS485-BL via [[AT Commands>>path:#_Using_the_AT]]or LoRaWAN Downlink Commands738 +User can configure RS485-BL via AT Commands or LoRaWAN Downlink Commands 705 705 706 706 There are two kinds of Commands: 707 707 708 -* **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: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands742 +* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 709 709 710 -* **Sensor Related Commands**: These commands are special designed for RS485-BL. User can see these commands below: 744 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-BL. User can see these commands below: 711 711 712 -1. 713 -11. 714 -111. Common Commands: 715 715 716 - Theyshould be available for each of Dragino Sensors, such as: change uplink interval, reset device.For firmware v1.3,user can find what commoncommandsit supports:[[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]747 +=== 3.5.1 Common Commands: === 717 717 749 +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]] 718 718 719 -1. 720 -11. 721 -111. Sensor related commands: 722 722 723 -=== =ChooseDeviceType (RS485orTTL)====752 +=== 3.5.2 Sensor related commands: === 724 724 754 +(% class="wikigeneratedid" %) 755 +==== ==== 756 + 757 +==== **Choose Device Type (RS485 or TTL)** ==== 758 + 725 725 RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect. 726 726 727 727 * AT Command