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Summary

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Title
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1 -RS485-BL – Waterproof RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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1 1  (% style="text-align:center" %)
2 -[[image:1652947681187-144.png||height="385" width="385"]]
2 +[[image:1653266934636-343.png||height="385" width="385"]]
3 3  
4 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
5 5  
6 6  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 -**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 13  
... ... @@ -16,48 +16,34 @@
16 16  
17 17  = 1.Introduction =
18 18  
19 -== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
17 +== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
20 20  
21 21  (((
22 -
23 -)))
24 -
25 25  (((
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.
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.
27 27  )))
28 28  
29 29  (((
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.
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.
31 31  )))
32 32  
33 33  (((
34 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
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.
35 35  )))
36 36  
37 37  (((
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.
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.
39 39  )))
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.
43 43  )))
44 44  
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 -)))
37 +[[image:1653267211009-519.png||height="419" width="724"]]
48 48  
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 -
55 55  == 1.2 Specifications ==
56 56  
57 57  **Hardware System:**
58 58  
59 59  * STM32L072CZT6 MCU
60 -* SX1276/78 Wireless Chip
44 +* SX1276/78 Wireless Chip 
61 61  * Power Consumption (exclude RS485 device):
62 62  ** Idle: 6uA@3.3v
63 63  
... ... @@ -111,263 +111,294 @@
111 111  * Smart Cities
112 112  * Smart Factory
113 113  
98 +== 1.5 Firmware Change log ==
114 114  
115 -1.
116 -11. Firmware Change log
100 +[[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);"]]
117 117  
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/]]
102 +== 1.6 Hardware Change log ==
119 119  
120 -
121 -1.
122 -11. Hardware Change log
123 -
124 -
104 +(((
125 125  v1.4
106 +)))
126 126  
108 +(((
127 127  ~1. Change Power IC to TPS22916
110 +)))
128 128  
129 129  
113 +(((
130 130  v1.3
115 +)))
131 131  
117 +(((
132 132  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
119 +)))
133 133  
134 134  
122 +(((
135 135  v1.2
124 +)))
136 136  
137 -Release version
126 +(((
127 +Release version ​​​​​
128 +)))
138 138  
130 += 2. Pin mapping and Power ON Device =
139 139  
140 -
141 -
142 -
143 -1. Pin mapping and Power ON Device
144 -
132 +(((
145 145  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.
134 +)))
146 146  
136 +[[image:1652953055962-143.png||height="387" width="728"]]
147 147  
148 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
149 149  
150 -
151 -
152 152  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
153 153  
141 += 3. Operation Mode =
154 154  
143 +== 3.1 How it works? ==
155 155  
156 -
157 -
158 -
159 -1. Operation Mode
160 -11. How it works?
161 -
145 +(((
162 162  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.
147 +)))
163 163  
149 +== 3.2 Example to join LoRaWAN network ==
164 164  
165 -1.
166 -11. Example to join LoRaWAN network
151 +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. 
167 167  
168 -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.
153 +[[image:1652953414711-647.png||height="337" width="723"]]
169 169  
170 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
171 -
172 -
155 +(((
173 173  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
157 +)))
174 174  
175 -
159 +(((
176 176  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:
161 +)))
177 177  
163 +(((
178 178  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
165 +)))
179 179  
167 +(((
180 180  Each RS485-BL is shipped with a sticker with unique device EUI:
169 +)))
181 181  
182 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
171 +[[image:1652953462722-299.png]]
183 183  
184 -
185 -
186 -
173 +(((
187 187  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
175 +)))
188 188  
177 +(((
189 189  Add APP EUI in the application.
179 +)))
190 190  
191 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
192 192  
193 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
194 194  
195 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
196 196  
197 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
184 +[[image:image-20220519174512-1.png]]
198 198  
186 +[[image:image-20220519174512-2.png||height="328" width="731"]]
199 199  
188 +[[image:image-20220519174512-3.png||height="556" width="724"]]
200 200  
190 +[[image:image-20220519174512-4.png]]
201 201  
202 -
203 -
204 -
205 -
206 -
207 -
208 -
209 -
210 -
211 -
212 -
213 -
214 -
215 215  You can also choose to create the device manually.
216 216  
217 -|(((
218 -
219 -)))
194 +[[image:1652953542269-423.png||height="710" width="723"]]
220 220  
221 -
222 -
223 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
224 -
225 225  Add APP KEY and DEV EUI
226 226  
227 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
198 +[[image:1652953553383-907.png||height="514" width="724"]]
228 228  
229 229  
201 +(((
230 230  **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.
203 +)))
231 231  
232 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
205 +[[image:1652953568895-172.png||height="232" width="724"]]
233 233  
207 +== 3.3 Configure Commands to read data ==
234 234  
235 -
236 -
237 -1.
238 -11. Configure Commands to read data
239 -
209 +(((
240 240  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>>path:#AT_COMMAND]] Command to configure how RS485-BL should read the sensor and how to handle the return from RS485 or TTL sensors.
211 +)))
241 241  
213 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
242 242  
243 -1.
244 -11.
245 -111. Configure UART settings for RS485 or TTL communication
246 -
247 247  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
248 248  
249 -1. RS485-MODBUS mode:
217 +**~1. RS485-MODBUS mode:**
250 250  
251 251  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
252 252  
221 +**2. TTL mode:**
253 253  
254 -1. TTL mode:
255 -
256 256  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
257 257  
258 -
259 259  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.
260 260  
261 -
262 -|**AT Commands**|**Description**|**Example**
263 -|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
227 +(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
228 +|(((
229 +**AT Commands**
230 +)))|(% style="width:285px" %)(((
231 +**Description**
232 +)))|(% style="width:347px" %)(((
233 +**Example**
234 +)))
235 +|(((
236 +AT+BAUDR
237 +)))|(% style="width:285px" %)(((
238 +Set the baud rate (for RS485 connection). Default Value is: 9600.
239 +)))|(% style="width:347px" %)(((
240 +(((
264 264  AT+BAUDR=9600
242 +)))
265 265  
244 +(((
266 266  Options: (1200,2400,4800,14400,19200,115200)
267 267  )))
268 -|AT+PARITY|(((
247 +)))
248 +|(((
249 +AT+PARITY
250 +)))|(% style="width:285px" %)(((
251 +(((
269 269  Set UART parity (for RS485 connection)
253 +)))
270 270  
255 +(((
271 271  Default Value is: no parity.
272 -)))|(((
257 +)))
258 +)))|(% style="width:347px" %)(((
259 +(((
273 273  AT+PARITY=0
261 +)))
274 274  
263 +(((
275 275  Option: 0: no parity, 1: odd parity, 2: even parity
276 276  )))
277 -|AT+STOPBIT|(((
266 +)))
267 +|(((
268 +AT+STOPBIT
269 +)))|(% style="width:285px" %)(((
270 +(((
278 278  Set serial stopbit (for RS485 connection)
272 +)))
279 279  
274 +(((
280 280  Default Value is: 1bit.
281 -)))|(((
276 +)))
277 +)))|(% style="width:347px" %)(((
278 +(((
282 282  AT+STOPBIT=0 for 1bit
280 +)))
283 283  
282 +(((
284 284  AT+STOPBIT=1 for 1.5 bit
284 +)))
285 285  
286 +(((
286 286  AT+STOPBIT=2 for 2 bits
287 287  )))
289 +)))
288 288  
291 +=== 3.3.2 Configure sensors ===
289 289  
293 +(((
294 +Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**.
295 +)))
290 290  
297 +(((
298 +When user issue an (% style="color:#4f81bd" %)**AT+CFGDEV**(%%) command, Each (% style="color:#4f81bd" %)**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.
299 +)))
291 291  
292 -
293 -1.
294 -11.
295 -111. Configure sensors
296 -
297 -Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
298 -
299 -
300 -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.
301 -
302 -|**AT Commands**|**Description**|**Example**
303 -|AT+CFGDEV|(((
301 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
302 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
303 +|AT+CFGDEV|(% style="width:418px" %)(((
304 304  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
305 305  
306 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
306 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
307 307  
308 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309 -)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
308 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
309 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310 310  
311 311  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
312 312  
313 +=== 3.3.3 Configure read commands for each sampling ===
313 313  
314 -
315 -
316 -
317 -1.
318 -11.
319 -111. Configure read commands for each sampling
320 -
315 +(((
321 321  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.
317 +)))
322 322  
323 -
319 +(((
324 324  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.
321 +)))
325 325  
326 -
323 +(((
327 327  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
325 +)))
328 328  
329 -
327 +(((
330 330  This section describes how to achieve above goals.
329 +)))
331 331  
332 -
331 +(((
333 333  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
333 +)))
334 334  
335 -
335 +(((
336 336  **Command from RS485-BL to Sensor:**
337 +)))
337 337  
339 +(((
338 338  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
341 +)))
339 339  
340 -
343 +(((
341 341  **Handle return from sensors to RS485-BL**:
345 +)))
342 342  
347 +(((
343 343  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**
349 +)))
344 344  
351 +* (((
352 +**AT+DATACUT**
353 +)))
345 345  
346 -* **AT+DATACUT**
347 -
355 +(((
348 348  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.
357 +)))
349 349  
359 +* (((
360 +**AT+SEARCH**
361 +)))
350 350  
351 -* **AT+SEARCH**
352 -
363 +(((
353 353  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.
365 +)))
354 354  
355 -
367 +(((
356 356  **Define wait timeout:**
369 +)))
357 357  
371 +(((
358 358  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
373 +)))
359 359  
360 -
375 +(((
361 361  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
377 +)))
362 362  
363 -
364 364  **Examples:**
365 365  
366 366  Below are examples for the how above AT Commands works.
367 367  
368 -
369 369  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
370 370  
385 +(% border="1" class="table-bordered" %)
371 371  |(((
372 372  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
373 373  
... ... @@ -380,9 +380,9 @@
380 380  
381 381  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
382 382  
383 -
384 384  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
385 385  
400 +(% border="1" class="table-bordered" %)
386 386  |(((
387 387  **AT+SEARCHx=aa,xx xx xx xx xx**
388 388  
... ... @@ -400,7 +400,7 @@
400 400  
401 401  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
402 402  
403 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
418 +[[image:1652954654347-831.png]]
404 404  
405 405  
406 406  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -419,7 +419,7 @@
419 419  
420 420  * **a: length for the return of AT+COMMAND**
421 421  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
422 -* **c: define the position for valid value. **
437 +* **c: define the position for valid value.  **
423 423  )))
424 424  
425 425  Examples:
... ... @@ -460,7 +460,7 @@
460 460  
461 461  
462 462  
463 -1.
478 +1.
464 464  11.
465 465  111. Compose the uplink payload
466 466  
... ... @@ -557,7 +557,6 @@
557 557  1.
558 558  11. Uplink Payload
559 559  
560 -
561 561  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
562 562  |Value|(((
563 563  Battery(mV)
... ... @@ -606,7 +606,7 @@
606 606  
607 607  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
608 608  
609 -1.
623 +1.
610 610  11. Configure RS485-BL via AT or Downlink
611 611  
612 612  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -617,12 +617,10 @@
617 617  
618 618  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
619 619  
620 -
621 621  1.
622 622  11.
623 623  111. Common Commands:
624 624  
625 -
626 626  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]]
627 627  
628 628  
... ... @@ -630,7 +630,6 @@
630 630  11.
631 631  111. Sensor related commands:
632 632  
633 -
634 634  ==== Choose Device Type (RS485 or TTL) ====
635 635  
636 636  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -671,7 +671,6 @@
671 671  * XX XX XX XX: RS485 command total NN bytes
672 672  * 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
673 673  
674 -
675 675  **Example 1:**
676 676  
677 677  To connect a Modbus Alarm with below commands.
... ... @@ -780,7 +780,6 @@
780 780  
781 781  * AT+MBFUN=0: Disable Modbus fast reading.
782 782  
783 -
784 784  Example:
785 785  
786 786  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -865,7 +865,7 @@
865 865  
866 866  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
867 867  
868 -Example screen shot after clear all RS485 commands.
877 +Example screen shot after clear all RS485 commands. 
869 869  
870 870  
871 871  
... ... @@ -909,7 +909,6 @@
909 909  * A7 01 00 60   same as AT+BAUDR=9600
910 910  * A7 01 04 80  same as AT+BAUDR=115200
911 911  
912 -
913 913  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
914 914  
915 915  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -940,17 +940,15 @@
940 940  1.
941 941  11. Buttons
942 942  
943 -
944 944  |**Button**|**Feature**
945 945  |**RST**|Reboot RS485-BL
946 946  
947 -
948 948  1.
949 949  11. +3V3 Output
950 950  
951 951  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
952 952  
953 -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.
959 +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. 
954 954  
955 955  
956 956  The +3V3 output time can be controlled by AT Command.
... ... @@ -968,7 +968,7 @@
968 968  
969 969  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
970 970  
971 -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.
977 +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. 
972 972  
973 973  
974 974  The 5V output time can be controlled by AT Command.
... ... @@ -989,7 +989,6 @@
989 989  |**LEDs**|**Feature**
990 990  |**LED1**|Blink when device transmit a packet.
991 991  
992 -
993 993  1.
994 994  11. Switch Jumper
995 995  
... ... @@ -1011,7 +1011,6 @@
1011 1011  
1012 1012  1. Case Study
1013 1013  
1014 -
1015 1015  User can check this URL for some case studies.
1016 1016  
1017 1017  [[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]]
... ... @@ -1099,7 +1099,6 @@
1099 1099  * For bug fix
1100 1100  * Change LoRaWAN bands.
1101 1101  
1102 -
1103 1103  Below shows the hardware connection for how to upload an image to RS485-BL:
1104 1104  
1105 1105  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1143,7 +1143,6 @@
1143 1143  1.
1144 1144  11. How many RS485-Slave can RS485-BL connects?
1145 1145  
1146 -
1147 1147  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]].
1148 1148  
1149 1149  
... ... @@ -1154,7 +1154,7 @@
1154 1154  
1155 1155  Please see this link for debug:
1156 1156  
1157 -[[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]]
1159 +[[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]] 
1158 1158  
1159 1159  
1160 1160  
... ... @@ -1169,7 +1169,6 @@
1169 1169  
1170 1170  1. Order Info
1171 1171  
1172 -
1173 1173  **Part Number: RS485-BL-XXX**
1174 1174  
1175 1175  **XXX:**
... ... @@ -1185,7 +1185,6 @@
1185 1185  * **RU864**: frequency bands RU864
1186 1186  * **KZ865: **frequency bands KZ865
1187 1187  
1188 -
1189 1189  1. Packing Info
1190 1190  
1191 1191  **Package Includes**:
... ... @@ -1194,7 +1194,6 @@
1194 1194  * Stick Antenna for LoRa RF part x 1
1195 1195  * Program cable x 1
1196 1196  
1197 -
1198 1198  **Dimension and weight**:
1199 1199  
1200 1200  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1202,7 +1202,6 @@
1202 1202  * Package Size / pcs : 14.5 x 8 x 5 cm
1203 1203  * Weight / pcs : 170g
1204 1204  
1205 -
1206 1206  1. Support
1207 1207  
1208 1208  * 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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