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Summary

Details

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Content
... ... @@ -7,15 +7,12 @@
7 7  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 -{{toc/}}
14 14  
15 15  
16 16  
17 17  
18 -
19 19  = 1.Introduction =
20 20  
21 21  == 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
... ... @@ -25,19 +25,19 @@
25 25  )))
26 26  
27 27  (((
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.
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.
29 29  )))
30 30  
31 31  (((
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.
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.
33 33  )))
34 34  
35 35  (((
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.
33 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
37 37  )))
38 38  
39 39  (((
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.
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.
41 41  )))
42 42  
43 43  (((
... ... @@ -54,11 +54,8 @@
54 54  
55 55  [[image:1652953304999-717.png||height="424" width="733"]]
56 56  
57 -
58 -
59 59  == 1.2 Specifications ==
60 60  
61 -
62 62  **Hardware System:**
63 63  
64 64  * STM32L072CZT6 MCU
... ... @@ -65,9 +65,10 @@
65 65  * SX1276/78 Wireless Chip 
66 66  * Power Consumption (exclude RS485 device):
67 67  ** Idle: 6uA@3.3v
62 +
63 +*
68 68  ** 20dB Transmit: 130mA@3.3v
69 69  
70 -
71 71  **Interface for Model:**
72 72  
73 73  * 1 x RS485 Interface
... ... @@ -77,7 +77,6 @@
77 77  * 1 x Interrupt Interface
78 78  * 1 x Controllable 5V output, max
79 79  
80 -
81 81  **LoRa Spec:**
82 82  
83 83  * Frequency Range:
... ... @@ -96,7 +96,6 @@
96 96  * 127 dB Dynamic Range RSSI.
97 97  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
98 98  
99 -
100 100  == 1.3 Features ==
101 101  
102 102  * LoRaWAN Class A & Class C protocol (default Class A)
... ... @@ -108,7 +108,6 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink
110 110  
111 -
112 112  == 1.4 Applications ==
113 113  
114 114  * Smart Buildings & Home Automation
... ... @@ -118,17 +118,13 @@
118 118  * Smart Cities
119 119  * Smart Factory
120 120  
121 -
122 122  == 1.5 Firmware Change log ==
123 123  
124 124  [[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);"]]
125 125  
126 -
127 127  == 1.6 Hardware Change log ==
128 128  
129 129  (((
130 -
131 -
132 132  v1.4
133 133  )))
134 134  
... ... @@ -152,8 +152,6 @@
152 152  
153 153  (((
154 154  Release version ​​​​​
155 -
156 -
157 157  )))
158 158  
159 159  = 2. Pin mapping and Power ON Device =
... ... @@ -167,7 +167,6 @@
167 167  
168 168  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
169 169  
170 -
171 171  = 3. Operation Mode =
172 172  
173 173  == 3.1 How it works? ==
... ... @@ -174,8 +174,6 @@
174 174  
175 175  (((
176 176  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.
177 -
178 -
179 179  )))
180 180  
181 181  == 3.2 Example to join LoRaWAN network ==
... ... @@ -211,6 +211,8 @@
211 211  )))
212 212  
213 213  
197 +
198 +
214 214  [[image:image-20220519174512-1.png]]
215 215  
216 216  [[image:image-20220519174512-2.png||height="328" width="731"]]
... ... @@ -234,13 +234,10 @@
234 234  
235 235  [[image:1652953568895-172.png||height="232" width="724"]]
236 236  
237 -
238 238  == 3.3 Configure Commands to read data ==
239 239  
240 240  (((
241 -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.
242 -
243 -
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.
244 244  )))
245 245  
246 246  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -321,8 +321,6 @@
321 321  )))
322 322  )))
323 323  
324 -
325 -
326 326  === 3.3.2 Configure sensors ===
327 327  
328 328  (((
... ... @@ -343,9 +343,8 @@
343 343  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
344 344  )))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
345 345  
346 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>||anchor="HRS485DebugCommand28AT2BCFGDEV29]].
326 +Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
347 347  
348 -
349 349  === 3.3.3 Configure read commands for each sampling ===
350 350  
351 351  (((
... ... @@ -522,82 +522,64 @@
522 522  
523 523  [[image:1653271763403-806.png]]
524 524  
525 -=== 3.3.4 Compose the uplink payload ===
526 526  
527 -(((
505 +
506 +
507 +1.
508 +11.
509 +111. Compose the uplink payload
510 +
528 528  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
529 -)))
530 530  
531 -(((
532 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
533 -)))
534 534  
535 -(((
536 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
537 -)))
514 +**Examples: AT+DATAUP=0**
538 538  
539 -(((
516 +Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
517 +
540 540  Final Payload is
541 -)))
542 542  
543 -(((
544 -(% style="color:#4f81bd" %)Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
545 -)))
520 +Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
546 546  
547 -(((
548 548  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
549 -)))
550 550  
551 -[[image:1653272787040-634.png||height="515" width="719"]]
524 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
552 552  
553 -(((
554 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
555 -)))
556 556  
557 -(((
558 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
559 -)))
560 560  
561 -(((
528 +**Examples: AT+DATAUP=1**
529 +
530 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
531 +
562 562  Final Payload is
563 -)))
564 564  
565 -(((
566 -(% style="color:#4f81bd" %)Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
567 -)))
534 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
568 568  
569 -1. (((
570 -Battery Info (2 bytes): Battery voltage
571 -)))
572 -1. (((
573 -PAYVER (1 byte): Defined by AT+PAYVER
574 -)))
575 -1. (((
576 -PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
577 -)))
578 -1. (((
579 -PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
580 -)))
581 -1. (((
582 -DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
583 -)))
536 +1. Battery Info (2 bytes): Battery voltage
537 +1. PAYVER (1 byte): Defined by AT+PAYVER
538 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
539 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
540 +1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
584 584  
585 -[[image:1653272817147-600.png||height="437" width="717"]]
542 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
586 586  
544 +
587 587  So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
588 588  
589 -DATA1=RETURN1 Valid Value = (% style="background-color:#4f81bd; color:white" %) 20 20 0a 33 90 41
547 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
590 590  
591 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= (% style="background-color:#4f81bd; color:white" %)02 aa 05 81 0a 20
549 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
592 592  
593 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 =(% style="background-color:#4f81bd; color:white" %) 20 20 20 2d 30
551 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
594 594  
553 +
554 +
595 595  Below are the uplink payloads:
596 596  
597 -[[image:1653272901032-107.png]]
557 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
598 598  
599 -(% style="color:red" %)Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
600 600  
560 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
561 +
601 601   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
602 602  
603 603   * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
... ... @@ -606,121 +606,90 @@
606 606  
607 607   ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
608 608  
609 -=== 3.3.5 Uplink on demand ===
610 610  
611 -(((
571 +
572 +1.
573 +11.
574 +111. Uplink on demand
575 +
612 612  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
613 -)))
614 614  
615 -(((
616 616  Downlink control command:
617 -)))
618 618  
619 -(((
620 -**0x08 command**: Poll an uplink with current command set in RS485-BL.
621 -)))
580 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
622 622  
623 -(((
624 -**0xA8 command**: Send a command to RS485-BL and uplink the output from sensors.
625 -)))
582 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
626 626  
627 -=== 3.3.6 Uplink on Interrupt ===
628 628  
629 -Put the interrupt sensor between 3.3v_out and GPIO ext.
630 630  
631 -[[image:1653273818896-432.png]]
586 +1.
587 +11.
588 +111. Uplink on Interrupt
632 632  
633 -(((
590 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
591 +
634 634  AT+INTMOD=0  Disable Interrupt
635 -)))
636 636  
637 -(((
638 638  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
639 -)))
640 640  
641 -(((
642 642  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
643 -)))
644 644  
645 -(((
646 646  AT+INTMOD=3  Interrupt trigger by rising edge.
647 -)))
648 648  
649 -== 3.4 Uplink Payload ==
650 650  
651 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
652 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
653 -|Value|(% style="width:130px" %)(((
654 -(((
601 +1.
602 +11. Uplink Payload
603 +
604 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
605 +|Value|(((
655 655  Battery(mV)
656 -)))
657 657  
658 -(((
659 659  &
660 -)))
661 661  
662 -(((
663 663  Interrupt _Flag
664 -)))
665 -)))|(% style="width:93px" %)(((
611 +)))|(((
666 666  PAYLOAD_VER
667 667  
668 668  
669 -)))|(% style="width:509px" %)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.
615 +)))|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.
670 670  
671 671  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
672 672  
673 -(((
619 +
674 674  function Decoder(bytes, port) {
675 -)))
676 676  
677 -(((
678 678  ~/~/Payload Formats of RS485-BL Deceive
679 -)))
680 680  
681 -(((
682 682  return {
683 -)))
684 684  
685 -(((
686 686   ~/~/Battery,units:V
687 -)))
688 688  
689 -(((
690 690   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
691 -)))
692 692  
693 -(((
694 694   ~/~/GPIO_EXTI 
695 -)))
696 696  
697 -(((
698 698   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
699 -)))
700 700  
701 -(((
702 702   ~/~/payload of version
703 -)))
704 704  
705 -(((
706 706   Pay_ver:bytes[2],
707 -)))
708 708  
709 -(((
710 710   };
711 -)))
712 712  
713 -(((
714 714   }
715 -)))
716 716  
717 -(((
642 +
643 +
644 +
645 +
646 +
647 +
718 718  TTN V3 uplink screen shot.
719 -)))
720 720  
721 -[[image:1653274001211-372.png||height="192" width="732"]]
650 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
722 722  
723 -== 3.5 Configure RS485-BL via AT or Downlink ==
652 +1.
653 +11. Configure RS485-BL via AT or Downlink
724 724  
725 725  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
726 726  
... ... @@ -730,15 +730,15 @@
730 730  
731 731  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
732 732  
733 -1.
734 -11.
663 +1.
664 +11.
735 735  111. Common Commands:
736 736  
737 737  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: [[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]]
738 738  
739 739  
740 -1.
741 -11.
670 +1.
671 +11.
742 742  111. Sensor related commands:
743 743  
744 744  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -1044,13 +1044,13 @@
1044 1044  
1045 1045  
1046 1046  
1047 -1.
977 +1.
1048 1048  11. Buttons
1049 1049  
1050 1050  |**Button**|**Feature**
1051 1051  |**RST**|Reboot RS485-BL
1052 1052  
1053 -1.
983 +1.
1054 1054  11. +3V3 Output
1055 1055  
1056 1056  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1068,7 +1068,7 @@
1068 1068  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1069 1069  
1070 1070  
1071 -1.
1001 +1.
1072 1072  11. +5V Output
1073 1073  
1074 1074  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1088,13 +1088,13 @@
1088 1088  
1089 1089  
1090 1090  
1091 -1.
1021 +1.
1092 1092  11. LEDs
1093 1093  
1094 1094  |**LEDs**|**Feature**
1095 1095  |**LED1**|Blink when device transmit a packet.
1096 1096  
1097 -1.
1027 +1.
1098 1098  11. Switch Jumper
1099 1099  
1100 1100  |**Switch Jumper**|**Feature**
... ... @@ -1140,7 +1140,7 @@
1140 1140  
1141 1141  
1142 1142  
1143 -1.
1073 +1.
1144 1144  11. Common AT Command Sequence
1145 1145  111. Multi-channel ABP mode (Use with SX1301/LG308)
1146 1146  
... ... @@ -1159,8 +1159,8 @@
1159 1159  
1160 1160  ATZ
1161 1161  
1162 -1.
1163 -11.
1092 +1.
1093 +11.
1164 1164  111. Single-channel ABP mode (Use with LG01/LG02)
1165 1165  
1166 1166  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1235,7 +1235,7 @@
1235 1235  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1236 1236  
1237 1237  
1238 -1.
1168 +1.
1239 1239  11. How to change the LoRa Frequency Bands/Region?
1240 1240  
1241 1241  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1242,7 +1242,7 @@
1242 1242  
1243 1243  
1244 1244  
1245 -1.
1175 +1.
1246 1246  11. How many RS485-Slave can RS485-BL connects?
1247 1247  
1248 1248  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>>path:#downlink_A8]].
... ... @@ -1259,7 +1259,7 @@
1259 1259  
1260 1260  
1261 1261  
1262 -1.
1192 +1.
1263 1263  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1264 1264  
1265 1265  It might about the channels mapping. Please see for detail.
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