Skip to Content
Last modified by Xiaoling on 2025/04/23 15:57
From version 29.17
edited by Xiaoling
on 2022/06/01 18:07
Change comment: There is no comment for this version
To version 29.5
edited by Xiaoling
on 2022/06/01 18:00
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -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.
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.
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.
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.
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.
36 +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.
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.
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
65 +
66 +*
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
... ... @@ -118,12 +118,10 @@
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  (((
... ... @@ -150,8 +150,6 @@
150 150  
151 151  (((
152 152  Release version ​​​​​
153 -
154 -
155 155  )))
156 156  
157 157  = 2. Pin mapping and Power ON Device =
... ... @@ -165,7 +165,6 @@
165 165  
166 166  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
167 167  
168 -
169 169  = 3. Operation Mode =
170 170  
171 171  == 3.1 How it works? ==
... ... @@ -172,8 +172,6 @@
172 172  
173 173  (((
174 174  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.
175 -
176 -
177 177  )))
178 178  
179 179  == 3.2 Example to join LoRaWAN network ==
... ... @@ -237,9 +237,7 @@
237 237  == 3.3 Configure Commands to read data ==
238 238  
239 239  (((
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 -
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.
243 243  )))
244 244  
245 245  === 3.3.1 onfigure UART settings for RS485 or TTL communication ===