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Last modified by Xiaoling on 2025/04/23 15:57
From version 29.5
edited by Xiaoling
on 2022/06/01 18:00
Change comment: There is no comment for this version
To version 29.20
edited by Xiaoling
on 2022/06/01 18:08
Change comment: There is no comment for this version

Summary

Details

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Content
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25 25  )))
26 26  
27 27  (((
28 -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.
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 **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.
33 33  )))
34 34  
35 35  (((
36 -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.
37 37  )))
38 38  
39 39  (((
40 -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.
41 41  )))
42 42  
43 43  (((
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54 54  
55 55  [[image:1652953304999-717.png||height="424" width="733"]]
56 56  
57 +
58 +
57 57  == 1.2 Specifications ==
58 58  
61 +
59 59  **Hardware System:**
60 60  
61 61  * STM32L072CZT6 MCU
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62 62  * SX1276/78 Wireless Chip 
63 63  * Power Consumption (exclude RS485 device):
64 64  ** Idle: 6uA@3.3v
65 -
66 -*
67 67  ** 20dB Transmit: 130mA@3.3v
68 68  
70 +
69 69  **Interface for Model:**
70 70  
71 71  * 1 x RS485 Interface
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75 75  * 1 x Interrupt Interface
76 76  * 1 x Controllable 5V output, max
77 77  
80 +
78 78  **LoRa Spec:**
79 79  
80 80  * Frequency Range:
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93 93  * 127 dB Dynamic Range RSSI.
94 94  * Automatic RF Sense and CAD with ultra-fast AFC. ​​​
95 95  
99 +
96 96  == 1.3 Features ==
97 97  
98 98  * LoRaWAN Class A & Class C protocol (default Class A)
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104 104  * Support Modbus protocol
105 105  * Support Interrupt uplink
106 106  
111 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
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113 113  * Smart Cities
114 114  * Smart Factory
115 115  
121 +
116 116  == 1.5 Firmware Change log ==
117 117  
118 118  [[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);"]]
119 119  
126 +
120 120  == 1.6 Hardware Change log ==
121 121  
122 122  (((
130 +
131 +
123 123  v1.4
124 124  )))
125 125  
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143 143  
144 144  (((
145 145  Release version ​​​​​
155 +
156 +
146 146  )))
147 147  
148 148  = 2. Pin mapping and Power ON Device =
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156 156  
157 157  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
158 158  
170 +
159 159  = 3. Operation Mode =
160 160  
161 161  == 3.1 How it works? ==
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162 162  
163 163  (((
164 164  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 +
165 165  )))
166 166  
167 167  == 3.2 Example to join LoRaWAN network ==
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197 197  )))
198 198  
199 199  
200 -
201 -
202 202  [[image:image-20220519174512-1.png]]
203 203  
204 204  [[image:image-20220519174512-2.png||height="328" width="731"]]
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225 225  == 3.3 Configure Commands to read data ==
226 226  
227 227  (((
228 -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.
240 +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.
241 +
242 +
229 229  )))
230 230  
231 231  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===
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306 306  )))
307 307  )))
308 308  
323 +
324 +
309 309  === 3.3.2 Configure sensors ===
310 310  
311 311  (((