Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 29.11
edited by Xiaoling
on 2022/06/01 18:01
Change comment: There is no comment for this version
To version 28.2
edited by Xiaoling
on 2022/05/23 10:44
Change comment: There is no comment for this version

Summary

Details

Page properties
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 ==
... ... @@ -63,7 +63,7 @@
63 63  * Power Consumption (exclude RS485 device):
64 64  ** Idle: 6uA@3.3v
65 65  
66 -*
63 +*
67 67  ** 20dB Transmit: 130mA@3.3v
68 68  
69 69  **Interface for Model:**
... ... @@ -113,13 +113,10 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
117 -
118 118  == 1.5 Firmware Change log ==
119 119  
120 120  [[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);"]]
121 121  
122 -
123 123  == 1.6 Hardware Change log ==
124 124  
125 125  (((
... ... @@ -146,8 +146,6 @@
146 146  
147 147  (((
148 148  Release version ​​​​​
149 -
150 -
151 151  )))
152 152  
153 153  = 2. Pin mapping and Power ON Device =
... ... @@ -161,7 +161,6 @@
161 161  
162 162  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
163 163  
164 -
165 165  = 3. Operation Mode =
166 166  
167 167  == 3.1 How it works? ==
... ... @@ -168,8 +168,6 @@
168 168  
169 169  (((
170 170  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.
171 -
172 -
173 173  )))
174 174  
175 175  == 3.2 Example to join LoRaWAN network ==
... ... @@ -233,9 +233,7 @@
233 233  == 3.3 Configure Commands to read data ==
234 234  
235 235  (((
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 -
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.
239 239  )))
240 240  
241 241  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
... ... @@ -622,97 +622,66 @@
622 622  
623 623  [[image:1653273818896-432.png]]
624 624  
625 -(((
626 626  AT+INTMOD=0  Disable Interrupt
627 -)))
628 628  
629 -(((
630 630  AT+INTMOD=1  Interrupt trigger by rising or falling edge.
631 -)))
632 632  
633 -(((
634 634  AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
635 -)))
636 636  
637 -(((
638 638  AT+INTMOD=3  Interrupt trigger by rising edge.
639 -)))
640 640  
641 641  == 3.4 Uplink Payload ==
642 642  
643 -(% border="1" style="background-color:#4f81bd; color:white; width:850px" %)
644 -|**Size(bytes)**|(% style="width:130px" %)**2**|(% style="width:93px" %)**1**|(% style="width:509px" %)**Length depends on the return from the commands**
645 -|Value|(% style="width:130px" %)(((
646 -(((
622 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
623 +|Value|(((
647 647  Battery(mV)
648 -)))
649 649  
650 -(((
651 651  &
652 -)))
653 653  
654 -(((
655 655  Interrupt _Flag
656 -)))
657 -)))|(% style="width:93px" %)(((
629 +)))|(((
658 658  PAYLOAD_VER
659 659  
660 660  
661 -)))|(% 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.
633 +)))|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.
662 662  
663 663  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
664 664  
665 -(((
637 +
666 666  function Decoder(bytes, port) {
667 -)))
668 668  
669 -(((
670 670  ~/~/Payload Formats of RS485-BL Deceive
671 -)))
672 672  
673 -(((
674 674  return {
675 -)))
676 676  
677 -(((
678 678   ~/~/Battery,units:V
679 -)))
680 680  
681 -(((
682 682   BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
683 -)))
684 684  
685 -(((
686 686   ~/~/GPIO_EXTI 
687 -)))
688 688  
689 -(((
690 690   EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
691 -)))
692 692  
693 -(((
694 694   ~/~/payload of version
695 -)))
696 696  
697 -(((
698 698   Pay_ver:bytes[2],
699 -)))
700 700  
701 -(((
702 702   };
703 -)))
704 704  
705 -(((
706 706   }
707 -)))
708 708  
709 -(((
660 +
661 +
662 +
663 +
664 +
665 +
710 710  TTN V3 uplink screen shot.
711 -)))
712 712  
713 -[[image:1653274001211-372.png||height="192" width="732"]]
668 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
714 714  
715 -== 3.5 Configure RS485-BL via AT or Downlink ==
670 +1.
671 +11. Configure RS485-BL via AT or Downlink
716 716  
717 717  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
718 718  
... ... @@ -722,15 +722,15 @@
722 722  
723 723  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
724 724  
725 -1.
726 -11.
681 +1.
682 +11.
727 727  111. Common Commands:
728 728  
729 729  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]]
730 730  
731 731  
732 -1.
733 -11.
688 +1.
689 +11.
734 734  111. Sensor related commands:
735 735  
736 736  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -1036,13 +1036,13 @@
1036 1036  
1037 1037  
1038 1038  
1039 -1.
995 +1.
1040 1040  11. Buttons
1041 1041  
1042 1042  |**Button**|**Feature**
1043 1043  |**RST**|Reboot RS485-BL
1044 1044  
1045 -1.
1001 +1.
1046 1046  11. +3V3 Output
1047 1047  
1048 1048  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -1060,7 +1060,7 @@
1060 1060  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1061 1061  
1062 1062  
1063 -1.
1019 +1.
1064 1064  11. +5V Output
1065 1065  
1066 1066  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -1080,13 +1080,13 @@
1080 1080  
1081 1081  
1082 1082  
1083 -1.
1039 +1.
1084 1084  11. LEDs
1085 1085  
1086 1086  |**LEDs**|**Feature**
1087 1087  |**LED1**|Blink when device transmit a packet.
1088 1088  
1089 -1.
1045 +1.
1090 1090  11. Switch Jumper
1091 1091  
1092 1092  |**Switch Jumper**|**Feature**
... ... @@ -1132,7 +1132,7 @@
1132 1132  
1133 1133  
1134 1134  
1135 -1.
1091 +1.
1136 1136  11. Common AT Command Sequence
1137 1137  111. Multi-channel ABP mode (Use with SX1301/LG308)
1138 1138  
... ... @@ -1151,8 +1151,8 @@
1151 1151  
1152 1152  ATZ
1153 1153  
1154 -1.
1155 -11.
1110 +1.
1111 +11.
1156 1156  111. Single-channel ABP mode (Use with LG01/LG02)
1157 1157  
1158 1158  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1227,7 +1227,7 @@
1227 1227  [[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]]
1228 1228  
1229 1229  
1230 -1.
1186 +1.
1231 1231  11. How to change the LoRa Frequency Bands/Region?
1232 1232  
1233 1233  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1234,7 +1234,7 @@
1234 1234  
1235 1235  
1236 1236  
1237 -1.
1193 +1.
1238 1238  11. How many RS485-Slave can RS485-BL connects?
1239 1239  
1240 1240  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]].
... ... @@ -1251,7 +1251,7 @@
1251 1251  
1252 1252  
1253 1253  
1254 -1.
1210 +1.
1255 1255  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1256 1256  
1257 1257  It might about the channels mapping. Please see for detail.
1653274001211-372.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Xiaoling
Size
... ... @@ -1,1 +1,0 @@
1 -91.4 KB
Content