Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 3.1 >
edited by Xiaoling
on 2022/05/19 16:08
To version < 8.1 >
edited by Xiaoling
on 2022/05/19 17:44
>
Change comment: Uploaded new attachment "1652953462722-299.png", version {1}

Summary

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1 +(% style="text-align:center" %)
2 +[[image:1652947681187-144.png||height="385" width="385"]]
2 2  
3 3  
4 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
5 5  
6 6  
7 -
8 8  **RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
9 9  
10 10  
10 +**Table of Contents:**
11 11  
12 12  
13 13  
14 14  
15 15  
16 += 1.Introduction =
16 16  
17 -1. Introduction
18 -11. What is RS485-BL RS485 to LoRaWAN Converter
18 +== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
19 19  
20 +(((
21 +
22 +)))
20 20  
24 +(((
21 21  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.
26 +)))
22 22  
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.
30 +)))
23 23  
24 -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.
25 -
26 -
32 +(((
27 27  RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
34 +)))
28 28  
29 -
36 +(((
30 30  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.
38 +)))
31 31  
32 -
40 +(((
33 33  For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
42 +)))
34 34  
35 -
44 +(((
36 36  For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices.
46 +)))
37 37  
38 -
48 +(((
39 39  Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
50 +)))
40 40  
41 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
52 +[[image:1652953304999-717.png||height="424" width="733"]]
42 42  
54 +== 1.2 Specifications ==
43 43  
44 -1.
45 -11. Specifications
46 -
47 47  **Hardware System:**
48 48  
49 49  * STM32L072CZT6 MCU
50 -* SX1276/78 Wireless Chip
59 +* SX1276/78 Wireless Chip 
51 51  * Power Consumption (exclude RS485 device):
52 52  ** Idle: 6uA@3.3v
53 53  
54 -*
63 +*
55 55  ** 20dB Transmit: 130mA@3.3v
56 56  
57 -
58 58  **Interface for Model:**
59 59  
60 60  * 1 x RS485 Interface
... ... @@ -64,7 +64,6 @@
64 64  * 1 x Interrupt Interface
65 65  * 1 x Controllable 5V output, max
66 66  
67 -
68 68  **LoRa Spec:**
69 69  
70 70  * Frequency Range:
... ... @@ -81,11 +81,10 @@
81 81  * Built-in bit synchronizer for clock recovery.
82 82  * Preamble detection.
83 83  * 127 dB Dynamic Range RSSI.
84 -* Automatic RF Sense and CAD with ultra-fast AFC.
91 +* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
85 85  
93 +== 1.3 Features ==
86 86  
87 -*
88 -*1. Features
89 89  * LoRaWAN Class A & Class C protocol (default Class A)
90 90  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
91 91  * AT Commands to change parameters
... ... @@ -95,9 +95,8 @@
95 95  * Support Modbus protocol
96 96  * Support Interrupt uplink
97 97  
104 +== 1.4 Applications ==
98 98  
99 -*
100 -*1. Applications
101 101  * Smart Buildings & Home Automation
102 102  * Logistics and Supply Chain Management
103 103  * Smart Metering
... ... @@ -105,65 +105,64 @@
105 105  * Smart Cities
106 106  * Smart Factory
107 107  
113 +== 1.5 Firmware Change log ==
108 108  
109 -1.
110 -11. Firmware Change log
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);"]]
111 111  
112 -[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/]]
117 +== 1.6 Hardware Change log ==
113 113  
114 -
115 -1.
116 -11. Hardware Change log
117 -
118 -
119 +(((
119 119  v1.4
121 +)))
120 120  
123 +(((
121 121  ~1. Change Power IC to TPS22916
125 +)))
122 122  
123 123  
128 +(((
124 124  v1.3
130 +)))
125 125  
132 +(((
126 126  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
134 +)))
127 127  
128 128  
137 +(((
129 129  v1.2
139 +)))
130 130  
131 -Release version
141 +(((
142 +Release version ​​​​​
143 +)))
132 132  
145 += 2. Pin mapping and Power ON Device =
133 133  
134 -
135 -
136 -
137 -1. Pin mapping and Power ON Device
138 -
147 +(((
139 139  The RS485-BL is powered on by 8500mAh battery. To save battery life, RS485-BL is shipped with power off. User can put the jumper to power on RS485-BL.
149 +)))
140 140  
151 +[[image:1652953055962-143.png||height="387" width="728"]]
141 141  
142 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
143 143  
144 -
145 -
146 146  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
147 147  
156 += 3. Operation Mode =
148 148  
158 +== 3.1 How it works? ==
149 149  
150 -
151 -
152 -
153 -1. Operation Mode
154 -11. How it works?
155 -
160 +(((
156 156  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.
162 +)))
157 157  
164 +== 3.2 Example to join LoRaWAN network ==
158 158  
159 -1.
160 -11. Example to join LoRaWAN network
166 +Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
161 161  
162 -Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here.
168 +[[image:1652953414711-647.png||height="337" width="723"]]
163 163  
164 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
165 165  
166 -
167 167  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
168 168  
169 169  
... ... @@ -213,7 +213,6 @@
213 213  )))
214 214  
215 215  
216 -
217 217  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
218 218  
219 219  Add APP KEY and DEV EUI
... ... @@ -228,14 +228,14 @@
228 228  
229 229  
230 230  
231 -1.
234 +1.
232 232  11. Configure Commands to read data
233 233  
234 234  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.
235 235  
236 236  
237 -1.
238 -11.
240 +1.
241 +11.
239 239  111. Configure UART settings for RS485 or TTL communication
240 240  
241 241  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -283,9 +283,8 @@
283 283  
284 284  
285 285  
286 -
287 -1.
288 -11.
289 +1.
290 +11.
289 289  111. Configure sensors
290 290  
291 291  Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
... ... @@ -308,8 +308,8 @@
308 308  
309 309  
310 310  
311 -1.
312 -11.
313 +1.
314 +11.
313 313  111. Configure read commands for each sampling
314 314  
315 315  RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
... ... @@ -413,7 +413,7 @@
413 413  
414 414  * **a: length for the return of AT+COMMAND**
415 415  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
416 -* **c: define the position for valid value. **
418 +* **c: define the position for valid value.  **
417 417  )))
418 418  
419 419  Examples:
... ... @@ -454,8 +454,8 @@
454 454  
455 455  
456 456  
457 -1.
458 -11.
459 +1.
460 +11.
459 459  111. Compose the uplink payload
460 460  
461 461  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.**
... ... @@ -519,8 +519,8 @@
519 519  
520 520  
521 521  
522 -1.
523 -11.
524 +1.
525 +11.
524 524  111. Uplink on demand
525 525  
526 526  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.
... ... @@ -533,8 +533,8 @@
533 533  
534 534  
535 535  
536 -1.
537 -11.
538 +1.
539 +11.
538 538  111. Uplink on Interrupt
539 539  
540 540  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -548,10 +548,9 @@
548 548  AT+INTMOD=3  Interrupt trigger by rising edge.
549 549  
550 550  
551 -1.
553 +1.
552 552  11. Uplink Payload
553 553  
554 -
555 555  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
556 556  |Value|(((
557 557  Battery(mV)
... ... @@ -600,7 +600,7 @@
600 600  
601 601  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
602 602  
603 -1.
604 +1.
604 604  11. Configure RS485-BL via AT or Downlink
605 605  
606 606  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -611,20 +611,17 @@
611 611  
612 612  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
613 613  
614 -
615 -1.
616 -11.
615 +1.
616 +11.
617 617  111. Common Commands:
618 618  
619 -
620 620  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]]
621 621  
622 622  
623 -1.
624 -11.
622 +1.
623 +11.
625 625  111. Sensor related commands:
626 626  
627 -
628 628  ==== Choose Device Type (RS485 or TTL) ====
629 629  
630 630  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -665,7 +665,6 @@
665 665  * XX XX XX XX: RS485 command total NN bytes
666 666  * YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
667 667  
668 -
669 669  **Example 1:**
670 670  
671 671  To connect a Modbus Alarm with below commands.
... ... @@ -774,7 +774,6 @@
774 774  
775 775  * AT+MBFUN=0: Disable Modbus fast reading.
776 776  
777 -
778 778  Example:
779 779  
780 780  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -859,7 +859,7 @@
859 859  
860 860  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
861 861  
862 -Example screen shot after clear all RS485 commands.
858 +Example screen shot after clear all RS485 commands. 
863 863  
864 864  
865 865  
... ... @@ -903,7 +903,6 @@
903 903  * A7 01 00 60   same as AT+BAUDR=9600
904 904  * A7 01 04 80  same as AT+BAUDR=115200
905 905  
906 -
907 907  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
908 908  
909 909  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -931,20 +931,18 @@
931 931  
932 932  
933 933  
934 -1.
929 +1.
935 935  11. Buttons
936 936  
937 -
938 938  |**Button**|**Feature**
939 939  |**RST**|Reboot RS485-BL
940 940  
941 -
942 -1.
935 +1.
943 943  11. +3V3 Output
944 944  
945 945  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
946 946  
947 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling.
940 +The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
948 948  
949 949  
950 950  The +3V3 output time can be controlled by AT Command.
... ... @@ -957,12 +957,12 @@
957 957  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
958 958  
959 959  
960 -1.
953 +1.
961 961  11. +5V Output
962 962  
963 963  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
964 964  
965 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling.
958 +The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
966 966  
967 967  
968 968  The 5V output time can be controlled by AT Command.
... ... @@ -977,14 +977,13 @@
977 977  
978 978  
979 979  
980 -1.
973 +1.
981 981  11. LEDs
982 982  
983 983  |**LEDs**|**Feature**
984 984  |**LED1**|Blink when device transmit a packet.
985 985  
986 -
987 -1.
979 +1.
988 988  11. Switch Jumper
989 989  
990 990  |**Switch Jumper**|**Feature**
... ... @@ -1005,7 +1005,6 @@
1005 1005  
1006 1006  1. Case Study
1007 1007  
1008 -
1009 1009  User can check this URL for some case studies.
1010 1010  
1011 1011  [[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
... ... @@ -1031,7 +1031,7 @@
1031 1031  
1032 1032  
1033 1033  
1034 -1.
1025 +1.
1035 1035  11. Common AT Command Sequence
1036 1036  111. Multi-channel ABP mode (Use with SX1301/LG308)
1037 1037  
... ... @@ -1050,8 +1050,8 @@
1050 1050  
1051 1051  ATZ
1052 1052  
1053 -1.
1054 -11.
1044 +1.
1045 +11.
1055 1055  111. Single-channel ABP mode (Use with LG01/LG02)
1056 1056  
1057 1057  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1093,7 +1093,6 @@
1093 1093  * For bug fix
1094 1094  * Change LoRaWAN bands.
1095 1095  
1096 -
1097 1097  Below shows the hardware connection for how to upload an image to RS485-BL:
1098 1098  
1099 1099  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1127,7 +1127,7 @@
1127 1127  [[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]]
1128 1128  
1129 1129  
1130 -1.
1120 +1.
1131 1131  11. How to change the LoRa Frequency Bands/Region?
1132 1132  
1133 1133  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1134,10 +1134,9 @@
1134 1134  
1135 1135  
1136 1136  
1137 -1.
1127 +1.
1138 1138  11. How many RS485-Slave can RS485-BL connects?
1139 1139  
1140 -
1141 1141  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]].
1142 1142  
1143 1143  
... ... @@ -1148,11 +1148,11 @@
1148 1148  
1149 1149  Please see this link for debug:
1150 1150  
1151 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]]
1140 +[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1152 1152  
1153 1153  
1154 1154  
1155 -1.
1144 +1.
1156 1156  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1157 1157  
1158 1158  It might about the channels mapping. Please see for detail.
... ... @@ -1163,7 +1163,6 @@
1163 1163  
1164 1164  1. Order Info
1165 1165  
1166 -
1167 1167  **Part Number: RS485-BL-XXX**
1168 1168  
1169 1169  **XXX:**
... ... @@ -1179,7 +1179,6 @@
1179 1179  * **RU864**: frequency bands RU864
1180 1180  * **KZ865: **frequency bands KZ865
1181 1181  
1182 -
1183 1183  1. Packing Info
1184 1184  
1185 1185  **Package Includes**:
... ... @@ -1188,7 +1188,6 @@
1188 1188  * Stick Antenna for LoRa RF part x 1
1189 1189  * Program cable x 1
1190 1190  
1191 -
1192 1192  **Dimension and weight**:
1193 1193  
1194 1194  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1196,7 +1196,6 @@
1196 1196  * Package Size / pcs : 14.5 x 8 x 5 cm
1197 1197  * Weight / pcs : 170g
1198 1198  
1199 -
1200 1200  1. Support
1201 1201  
1202 1202  * 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.
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