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Last modified by Xiaoling on 2025/04/23 15:56
From version 22.7
edited by Xiaoling
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edited by Xiaoling
on 2022/05/19 17:41
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Summary

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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-BL – Waterproof RS485 to LoRaWAN Converter
Content
... ... @@ -1,11 +1,13 @@
1 1  (% style="text-align:center" %)
2 -[[image:1653266934636-343.png||height="385" width="385"]]
2 +[[image:1652947681187-144.png||height="385" width="385"]]
3 3  
4 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 +**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
10 +
9 9  **Table of Contents:**
10 10  
11 11  
... ... @@ -14,44 +14,62 @@
14 14  
15 15  = 1.Introduction =
16 16  
17 -== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
19 +== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
18 18  
19 19  (((
22 +
23 +)))
24 +
20 20  (((
21 -The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
26 +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.
22 22  )))
23 23  
24 24  (((
25 -RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
30 +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.
26 26  )))
27 27  
28 28  (((
29 -For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
34 +RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
30 30  )))
31 31  
32 32  (((
33 -For data downlink, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
38 +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.
34 34  )))
40 +
41 +(((
42 +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.
35 35  )))
36 36  
37 -[[image:1653267211009-519.png||height="419" width="724"]]
45 +(((
46 +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.
47 +)))
38 38  
49 +(((
50 +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.
51 +)))
52 +
53 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
54 +
39 39  == 1.2 Specifications ==
40 40  
41 41  **Hardware System:**
42 42  
43 43  * STM32L072CZT6 MCU
44 -* SX1276/78 Wireless Chip 
60 +* SX1276/78 Wireless Chip
45 45  * Power Consumption (exclude RS485 device):
46 -** Idle: 32mA@12v
62 +** Idle: 6uA@3.3v
47 47  
48 -*
49 -** 20dB Transmit: 65mA@12v
64 +*
65 +** 20dB Transmit: 130mA@3.3v
50 50  
51 51  **Interface for Model:**
52 52  
53 -* RS485
54 -* Power Input 7~~ 24V DC. 
69 +* 1 x RS485 Interface
70 +* 1 x TTL Serial , 3.3v or 5v.
71 +* 1 x I2C Interface, 3.3v or 5v.
72 +* 1 x one wire interface
73 +* 1 x Interrupt Interface
74 +* 1 x Controllable 5V output, max
55 55  
56 56  **LoRa Spec:**
57 57  
... ... @@ -60,30 +60,27 @@
60 60  ** Band 2 (LF): 410 ~~ 528 Mhz
61 61  * 168 dB maximum link budget.
62 62  * +20 dBm - 100 mW constant RF output vs.
63 -* +14 dBm high efficiency PA.
64 64  * Programmable bit rate up to 300 kbps.
65 65  * High sensitivity: down to -148 dBm.
66 66  * Bullet-proof front end: IIP3 = -12.5 dBm.
67 67  * Excellent blocking immunity.
68 -* Low RX current of 10.3 mA, 200 nA register retention.
69 69  * Fully integrated synthesizer with a resolution of 61 Hz.
70 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
88 +* LoRa modulation.
71 71  * Built-in bit synchronizer for clock recovery.
72 72  * Preamble detection.
73 73  * 127 dB Dynamic Range RSSI.
74 -* Automatic RF Sense and CAD with ultra-fast AFC.
75 -* Packet engine up to 256 bytes with CRC.
92 +* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
76 76  
77 77  == 1.3 Features ==
78 78  
79 -* LoRaWAN Class A & Class C protocol (default Class C)
96 +* LoRaWAN Class A & Class C protocol (default Class A)
80 80  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
81 81  * AT Commands to change parameters
82 -* Remote configure parameters via LoRa Downlink
99 +* Remote configure parameters via LoRaWAN Downlink
83 83  * Firmware upgradable via program port
84 84  * Support multiply RS485 devices by flexible rules
85 85  * Support Modbus protocol
86 -* Support Interrupt uplink (Since hardware version v1.2)
103 +* Support Interrupt uplink
87 87  
88 88  == 1.4 Applications ==
89 89  
... ... @@ -94,271 +94,262 @@
94 94  * Smart Cities
95 95  * Smart Factory
96 96  
97 -== 1.5 Firmware Change log ==
114 +== 1.5 Firmware Change log ==
98 98  
99 -[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
116 +[[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);"]]
100 100  
101 101  == 1.6 Hardware Change log ==
102 102  
103 103  (((
104 -(((
105 -v1.2: Add External Interrupt Pin.
106 -
107 -v1.0: Release
121 +v1.4
108 108  )))
109 -)))
110 110  
111 -= 2. Power ON Device =
112 -
113 113  (((
114 -The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
125 +~1. Change Power IC to TPS22916
126 +)))
115 115  
116 -* Power Source VIN to RS485-LN VIN+
117 -* Power Source GND to RS485-LN VIN-
118 118  
119 119  (((
120 -Once there is power, the RS485-LN will be on.
130 +v1.3
121 121  )))
122 122  
123 -[[image:1653268091319-405.png]]
133 +(((
134 +~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
124 124  )))
125 125  
126 -= 3. Operation Mode =
127 127  
128 -== 3.1 How it works? ==
138 +(((
139 +v1.2
140 +)))
129 129  
130 130  (((
131 -The RS485-LN is configured as LoRaWAN OTAA Class C 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-LN. It will auto join the network via OTAA.
143 +Release version ​​​​​
132 132  )))
133 133  
134 -== 3.2 Example to join LoRaWAN network ==
146 += 2. Pin mapping and Power ON Device =
135 135  
136 -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. 
148 +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.
137 137  
138 -[[image:1653268155545-638.png||height="334" width="724"]]
150 +[[image:1652953055962-143.png||height="387" width="728"]]
139 139  
140 -(((
141 -The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
142 142  
143 -485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
154 +The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
144 144  
145 -[[image:1653268227651-549.png||height="592" width="720"]]
146 146  
147 -(((
148 -The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
149 -)))
150 150  
151 -(((
152 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
153 -)))
158 +3. Operation Mode
159 +3.1 How it works?
154 154  
155 -(((
156 -Each RS485-LN is shipped with a sticker with unique device EUI:
157 -)))
158 -)))
161 +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.
159 159  
160 -[[image:1652953462722-299.png]]
161 161  
162 -(((
163 -(((
164 +1.
165 +11. Example to join LoRaWAN network
166 +
167 +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 +
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
172 +The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
173 +
174 +
175 +The LG308 is already set to connect to [[TTN V3 network >>url:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
176 +
177 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
178 +
179 +Each RS485-BL is shipped with a sticker with unique device EUI:
180 +
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
182 +
183 +
184 +
185 +
164 164  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
165 -)))
166 166  
167 -(((
168 168  Add APP EUI in the application.
169 -)))
170 -)))
171 171  
172 -[[image:image-20220519174512-1.png]]
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
173 173  
174 -[[image:image-20220519174512-2.png||height="323" width="720"]]
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
175 175  
176 -[[image:image-20220519174512-3.png||height="556" width="724"]]
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
177 177  
178 -[[image:image-20220519174512-4.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
179 179  
180 -You can also choose to create the device manually.
181 181  
182 -[[image:1652953542269-423.png||height="710" width="723"]]
183 183  
184 -Add APP KEY and DEV EUI
185 185  
186 -[[image:1652953553383-907.png||height="514" width="724"]]
187 187  
188 188  
189 -(((
190 -**Step 2**: Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
191 -)))
192 192  
193 -[[image:1652953568895-172.png||height="232" width="724"]]
194 194  
195 -== 3.3 Configure Commands to read data ==
196 196  
197 -(((
198 -(((
199 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200 -)))
201 201  
202 -(((
203 -(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
204 -)))
205 -)))
206 206  
207 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
208 208  
209 -To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
210 210  
211 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
210 +
211 +
212 +
213 +
214 +You can also choose to create the device manually.
215 +
212 212  |(((
213 -**AT Commands**
214 -)))|(% style="width:285px" %)(((
215 -**Description**
216 -)))|(% style="width:347px" %)(((
217 -**Example**
217 +
218 218  )))
219 -|(((
220 -AT+BAUDR
221 -)))|(% style="width:285px" %)(((
222 -Set the baud rate (for RS485 connection). Default Value is: 9600.
223 -)))|(% style="width:347px" %)(((
224 -(((
219 +
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
224 +Add APP KEY and DEV EUI
225 +
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
227 +
228 +
229 +**Step 2**: Power on RS485-BL and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
230 +
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
232 +
233 +
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
238 +
239 +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 +
241 +
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
246 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
247 +
248 +1. RS485-MODBUS mode:
249 +
250 +AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
251 +
252 +
253 +1. TTL mode:
254 +
255 +AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
256 +
257 +
258 +RS485-BL default UART settings is **9600, no parity, stop bit 1**. If the sensor has a different settings, user can change the RS485-BL setting to match.
259 +
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
225 225  AT+BAUDR=9600
226 -)))
227 227  
228 -(((
229 229  Options: (1200,2400,4800,14400,19200,115200)
230 230  )))
231 -)))
232 -|(((
233 -AT+PARITY
234 -)))|(% style="width:285px" %)(((
267 +|AT+PARITY|(((
235 235  Set UART parity (for RS485 connection)
236 -)))|(% style="width:347px" %)(((
237 -(((
269 +
270 +Default Value is: no parity.
271 +)))|(((
238 238  AT+PARITY=0
239 -)))
240 240  
241 -(((
242 242  Option: 0: no parity, 1: odd parity, 2: even parity
243 243  )))
244 -)))
245 -|(((
246 -AT+STOPBIT
247 -)))|(% style="width:285px" %)(((
248 -(((
276 +|AT+STOPBIT|(((
249 249  Set serial stopbit (for RS485 connection)
250 -)))
251 251  
252 -(((
253 -
254 -)))
255 -)))|(% style="width:347px" %)(((
256 -(((
279 +Default Value is: 1bit.
280 +)))|(((
257 257  AT+STOPBIT=0 for 1bit
258 -)))
259 259  
260 -(((
261 261  AT+STOPBIT=1 for 1.5 bit
262 -)))
263 263  
264 -(((
265 265  AT+STOPBIT=2 for 2 bits
266 266  )))
267 -)))
268 268  
269 -=== 3.3.2 Configure sensors ===
270 270  
271 -(((
272 -(((
273 -Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
274 -)))
275 -)))
276 276  
277 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279 -|AT+CFGDEV|(% style="width:418px" %)(((
290 +
291 +
292 +1.
293 +11.
294 +111. Configure sensors
295 +
296 +Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
297 +
298 +
299 +When user issue an AT+CFGDEV command, Each AT+CFGDEV equals to send a command to the RS485 or TTL sensors. This command will only run when user input it and won’t run during each sampling.
300 +
301 +|**AT Commands**|**Description**|**Example**
302 +|AT+CFGDEV|(((
280 280  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
281 281  
282 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
305 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
283 283  
284 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 +)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
286 286  
287 287  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
288 288  
289 -=== 3.3.3 Configure read commands for each sampling ===
290 290  
291 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
292 292  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.
293 -)))
294 294  
295 -(((
322 +
296 296  During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
297 -)))
298 298  
299 -(((
325 +
300 300  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
301 -)))
302 302  
303 -(((
328 +
304 304  This section describes how to achieve above goals.
305 -)))
306 306  
307 -(((
331 +
308 308  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
309 -)))
310 310  
311 -(((
334 +
312 312  **Command from RS485-BL to Sensor:**
313 -)))
314 314  
315 -(((
316 316  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
317 -)))
318 318  
319 -(((
339 +
320 320  **Handle return from sensors to RS485-BL**:
321 -)))
322 322  
323 -(((
324 324  After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
325 -)))
326 326  
327 -* (((
328 -**AT+DATACUT**
329 -)))
330 330  
331 -(((
345 +* **AT+DATACUT**
346 +
332 332  When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
333 -)))
334 334  
335 -* (((
336 -**AT+SEARCH**
337 -)))
338 338  
339 -(((
350 +* **AT+SEARCH**
351 +
340 340  When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
341 -)))
342 342  
343 -(((
354 +
344 344  **Define wait timeout:**
345 -)))
346 346  
347 -(((
348 348  Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
349 -)))
350 350  
351 -(((
359 +
352 352  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
353 -)))
354 354  
362 +
355 355  **Examples:**
356 356  
357 357  Below are examples for the how above AT Commands works.
358 358  
367 +
359 359  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
360 360  
361 -(% border="1" class="table-bordered" %)
362 362  |(((
363 363  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
364 364  
... ... @@ -371,9 +371,9 @@
371 371  
372 372  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
373 373  
382 +
374 374  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
375 375  
376 -(% border="1" class="table-bordered" %)
377 377  |(((
378 378  **AT+SEARCHx=aa,xx xx xx xx xx**
379 379  
... ... @@ -391,7 +391,7 @@
391 391  
392 392  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
393 393  
394 -[[image:1652954654347-831.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
395 395  
396 396  
397 397  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -410,7 +410,7 @@
410 410  
411 411  * **a: length for the return of AT+COMMAND**
412 412  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
413 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
414 414  )))
415 415  
416 416  Examples:
... ... @@ -451,8 +451,8 @@
451 451  
452 452  
453 453  
454 -1.
455 -11.
462 +1.
463 +11.
456 456  111. Compose the uplink payload
457 457  
458 458  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.**
... ... @@ -516,8 +516,8 @@
516 516  
517 517  
518 518  
519 -1.
520 -11.
527 +1.
528 +11.
521 521  111. Uplink on demand
522 522  
523 523  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.
... ... @@ -530,8 +530,8 @@
530 530  
531 531  
532 532  
533 -1.
534 -11.
541 +1.
542 +11.
535 535  111. Uplink on Interrupt
536 536  
537 537  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -545,9 +545,10 @@
545 545  AT+INTMOD=3  Interrupt trigger by rising edge.
546 546  
547 547  
548 -1.
556 +1.
549 549  11. Uplink Payload
550 550  
559 +
551 551  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
552 552  |Value|(((
553 553  Battery(mV)
... ... @@ -596,7 +596,7 @@
596 596  
597 597  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
598 598  
599 -1.
608 +1.
600 600  11. Configure RS485-BL via AT or Downlink
601 601  
602 602  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -607,17 +607,20 @@
607 607  
608 608  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
609 609  
610 -1.
611 -11.
619 +
620 +1.
621 +11.
612 612  111. Common Commands:
613 613  
624 +
614 614  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]]
615 615  
616 616  
617 -1.
618 -11.
628 +1.
629 +11.
619 619  111. Sensor related commands:
620 620  
632 +
621 621  ==== Choose Device Type (RS485 or TTL) ====
622 622  
623 623  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -658,6 +658,7 @@
658 658  * XX XX XX XX: RS485 command total NN bytes
659 659  * 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
660 660  
673 +
661 661  **Example 1:**
662 662  
663 663  To connect a Modbus Alarm with below commands.
... ... @@ -766,6 +766,7 @@
766 766  
767 767  * AT+MBFUN=0: Disable Modbus fast reading.
768 768  
782 +
769 769  Example:
770 770  
771 771  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -850,7 +850,7 @@
850 850  
851 851  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
852 852  
853 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
854 854  
855 855  
856 856  
... ... @@ -894,6 +894,7 @@
894 894  * A7 01 00 60   same as AT+BAUDR=9600
895 895  * A7 01 04 80  same as AT+BAUDR=115200
896 896  
911 +
897 897  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
898 898  
899 899  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -921,18 +921,20 @@
921 921  
922 922  
923 923  
924 -1.
939 +1.
925 925  11. Buttons
926 926  
942 +
927 927  |**Button**|**Feature**
928 928  |**RST**|Reboot RS485-BL
929 929  
930 -1.
946 +
947 +1.
931 931  11. +3V3 Output
932 932  
933 933  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
934 934  
935 -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. 
952 +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.
936 936  
937 937  
938 938  The +3V3 output time can be controlled by AT Command.
... ... @@ -945,12 +945,12 @@
945 945  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
946 946  
947 947  
948 -1.
965 +1.
949 949  11. +5V Output
950 950  
951 951  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
952 952  
953 -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. 
970 +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.
954 954  
955 955  
956 956  The 5V output time can be controlled by AT Command.
... ... @@ -965,13 +965,14 @@
965 965  
966 966  
967 967  
968 -1.
985 +1.
969 969  11. LEDs
970 970  
971 971  |**LEDs**|**Feature**
972 972  |**LED1**|Blink when device transmit a packet.
973 973  
974 -1.
991 +
992 +1.
975 975  11. Switch Jumper
976 976  
977 977  |**Switch Jumper**|**Feature**
... ... @@ -992,6 +992,7 @@
992 992  
993 993  1. Case Study
994 994  
1013 +
995 995  User can check this URL for some case studies.
996 996  
997 997  [[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]]
... ... @@ -1017,7 +1017,7 @@
1017 1017  
1018 1018  
1019 1019  
1020 -1.
1039 +1.
1021 1021  11. Common AT Command Sequence
1022 1022  111. Multi-channel ABP mode (Use with SX1301/LG308)
1023 1023  
... ... @@ -1036,8 +1036,8 @@
1036 1036  
1037 1037  ATZ
1038 1038  
1039 -1.
1040 -11.
1058 +1.
1059 +11.
1041 1041  111. Single-channel ABP mode (Use with LG01/LG02)
1042 1042  
1043 1043  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1079,6 +1079,7 @@
1079 1079  * For bug fix
1080 1080  * Change LoRaWAN bands.
1081 1081  
1101 +
1082 1082  Below shows the hardware connection for how to upload an image to RS485-BL:
1083 1083  
1084 1084  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1112,7 +1112,7 @@
1112 1112  [[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]]
1113 1113  
1114 1114  
1115 -1.
1135 +1.
1116 1116  11. How to change the LoRa Frequency Bands/Region?
1117 1117  
1118 1118  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1119,9 +1119,10 @@
1119 1119  
1120 1120  
1121 1121  
1122 -1.
1142 +1.
1123 1123  11. How many RS485-Slave can RS485-BL connects?
1124 1124  
1145 +
1125 1125  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]].
1126 1126  
1127 1127  
... ... @@ -1132,11 +1132,11 @@
1132 1132  
1133 1133  Please see this link for debug:
1134 1134  
1135 -[[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]] 
1156 +[[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]]
1136 1136  
1137 1137  
1138 1138  
1139 -1.
1160 +1.
1140 1140  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1141 1141  
1142 1142  It might about the channels mapping. Please see for detail.
... ... @@ -1147,6 +1147,7 @@
1147 1147  
1148 1148  1. Order Info
1149 1149  
1171 +
1150 1150  **Part Number: RS485-BL-XXX**
1151 1151  
1152 1152  **XXX:**
... ... @@ -1162,6 +1162,7 @@
1162 1162  * **RU864**: frequency bands RU864
1163 1163  * **KZ865: **frequency bands KZ865
1164 1164  
1187 +
1165 1165  1. Packing Info
1166 1166  
1167 1167  **Package Includes**:
... ... @@ -1170,6 +1170,7 @@
1170 1170  * Stick Antenna for LoRa RF part x 1
1171 1171  * Program cable x 1
1172 1172  
1196 +
1173 1173  **Dimension and weight**:
1174 1174  
1175 1175  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1177,6 +1177,7 @@
1177 1177  * Package Size / pcs : 14.5 x 8 x 5 cm
1178 1178  * Weight / pcs : 170g
1179 1179  
1204 +
1180 1180  1. Support
1181 1181  
1182 1182  * 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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