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edited by Xiaoling
on 2022/05/23 08:55
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edited by Xiaoling
on 2022/05/19 17:32
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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  
... ... @@ -14,28 +14,42 @@
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:**
... ... @@ -43,15 +43,19 @@
43 43  * STM32L072CZT6 MCU
44 44  * SX1276/78 Wireless Chip
45 45  * Power Consumption (exclude RS485 device):
46 -** Idle: 32mA@12v
62 +** Idle: 6uA@3.3v
47 47  
48 48  *
49 -** 20dB Transmit: 65mA@12v
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  
... ... @@ -60,19 +60,16 @@
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  
... ... @@ -94,294 +94,263 @@
94 94  * Smart Cities
95 95  * Smart Factory
96 96  
97 -== 1.5 Firmware Change log ==
98 98  
99 -[[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);"]]
115 +1.
116 +11. Firmware Change log
100 100  
101 -== 1.6 Hardware Change log ==
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/]]
102 102  
103 -(((
120 +
121 +1.
122 +11. Hardware Change log
123 +
124 +
104 104  v1.4
105 -)))
106 106  
107 -(((
108 108  ~1. Change Power IC to TPS22916
109 -)))
110 110  
111 111  
112 -(((
113 113  v1.3
114 -)))
115 115  
116 -(((
117 117  ~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
118 -)))
119 119  
120 120  
121 -(((
122 122  v1.2
123 -)))
124 124  
125 -(((
126 -Release version ​​​​​
127 -)))
137 +Release version
128 128  
129 -= 2. Pin mapping and Power ON Device =
130 130  
131 -(((
140 +
141 +
142 +
143 +1. Pin mapping and Power ON Device
144 +
132 132  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.
133 -)))
134 134  
135 -[[image:1652953055962-143.png||height="387" width="728"]]
136 136  
148 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
137 137  
150 +
151 +
138 138  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
139 139  
140 -= 3. Operation Mode =
141 141  
142 -== 3.1 How it works? ==
143 143  
144 -(((
156 +
157 +
158 +
159 +1. Operation Mode
160 +11. How it works?
161 +
145 145  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.
146 -)))
147 147  
148 -== 3.2 Example to join LoRaWAN network ==
149 149  
150 -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. 
165 +1.
166 +11. Example to join LoRaWAN network
151 151  
152 -[[image:1652953414711-647.png||height="337" width="723"]]
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.
153 153  
154 -(((
170 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
171 +
172 +
155 155  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
156 -)))
157 157  
158 -(((
175 +
159 159  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:
160 -)))
161 161  
162 -(((
163 163  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
164 -)))
165 165  
166 -(((
167 167  Each RS485-BL is shipped with a sticker with unique device EUI:
168 -)))
169 169  
170 -[[image:1652953462722-299.png]]
182 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
171 171  
172 -(((
184 +
185 +
186 +
173 173  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
174 -)))
175 175  
176 -(((
177 177  Add APP EUI in the application.
178 -)))
179 179  
191 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
180 180  
193 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
181 181  
195 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
182 182  
183 -[[image:image-20220519174512-1.png]]
197 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
184 184  
185 -[[image:image-20220519174512-2.png||height="328" width="731"]]
186 186  
187 -[[image:image-20220519174512-3.png||height="556" width="724"]]
188 188  
189 -[[image:image-20220519174512-4.png]]
190 190  
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
214 +
191 191  You can also choose to create the device manually.
192 192  
193 -[[image:1652953542269-423.png||height="710" width="723"]]
217 +|(((
218 +
219 +)))
194 194  
221 +
222 +
223 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
224 +
195 195  Add APP KEY and DEV EUI
196 196  
197 -[[image:1652953553383-907.png||height="514" width="724"]]
227 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
198 198  
199 199  
200 -(((
201 201  **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.
202 -)))
203 203  
204 -[[image:1652953568895-172.png||height="232" width="724"]]
232 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
205 205  
206 -== 3.3 Configure Commands to read data ==
207 207  
208 -(((
235 +
236 +
237 +1.
238 +11. Configure Commands to read data
239 +
209 209  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.
210 -)))
211 211  
212 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
213 213  
243 +1.
244 +11.
245 +111. Configure UART settings for RS485 or TTL communication
246 +
214 214  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
215 215  
216 -**~1. RS485-MODBUS mode:**
249 +1. RS485-MODBUS mode:
217 217  
218 218  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
219 219  
220 -**2. TTL mode:**
221 221  
254 +1. TTL mode:
255 +
222 222  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
223 223  
258 +
224 224  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.
225 225  
226 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
227 -|(((
228 -**AT Commands**
229 -)))|(% style="width:285px" %)(((
230 -**Description**
231 -)))|(% style="width:347px" %)(((
232 -**Example**
233 -)))
234 -|(((
235 -AT+BAUDR
236 -)))|(% style="width:285px" %)(((
237 -Set the baud rate (for RS485 connection). Default Value is: 9600.
238 -)))|(% style="width:347px" %)(((
239 -(((
261 +
262 +|**AT Commands**|**Description**|**Example**
263 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
240 240  AT+BAUDR=9600
241 -)))
242 242  
243 -(((
244 244  Options: (1200,2400,4800,14400,19200,115200)
245 245  )))
246 -)))
247 -|(((
248 -AT+PARITY
249 -)))|(% style="width:285px" %)(((
250 -(((
268 +|AT+PARITY|(((
251 251  Set UART parity (for RS485 connection)
252 -)))
253 253  
254 -(((
255 255  Default Value is: no parity.
256 -)))
257 -)))|(% style="width:347px" %)(((
258 -(((
272 +)))|(((
259 259  AT+PARITY=0
260 -)))
261 261  
262 -(((
263 263  Option: 0: no parity, 1: odd parity, 2: even parity
264 264  )))
265 -)))
266 -|(((
267 -AT+STOPBIT
268 -)))|(% style="width:285px" %)(((
269 -(((
277 +|AT+STOPBIT|(((
270 270  Set serial stopbit (for RS485 connection)
271 -)))
272 272  
273 -(((
274 274  Default Value is: 1bit.
275 -)))
276 -)))|(% style="width:347px" %)(((
277 -(((
281 +)))|(((
278 278  AT+STOPBIT=0 for 1bit
279 -)))
280 280  
281 -(((
282 282  AT+STOPBIT=1 for 1.5 bit
283 -)))
284 284  
285 -(((
286 286  AT+STOPBIT=2 for 2 bits
287 287  )))
288 -)))
289 289  
290 -=== 3.3.2 Configure sensors ===
291 291  
292 -(((
293 -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**.
294 -)))
295 295  
296 -(((
297 -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.
298 -)))
299 299  
300 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302 -|AT+CFGDEV|(% style="width:418px" %)(((
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|(((
303 303  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
304 304  
305 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
306 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
306 306  
307 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
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
309 309  
310 310  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
311 311  
312 -=== 3.3.3 Configure read commands for each sampling ===
313 313  
314 -(((
314 +
315 +
316 +
317 +1.
318 +11.
319 +111. Configure read commands for each sampling
320 +
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.
316 -)))
317 317  
318 -(((
323 +
319 319  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.
320 -)))
321 321  
322 -(((
326 +
323 323  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
324 -)))
325 325  
326 -(((
329 +
327 327  This section describes how to achieve above goals.
328 -)))
329 329  
330 -(((
332 +
331 331  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
332 -)))
333 333  
334 -(((
335 +
335 335  **Command from RS485-BL to Sensor:**
336 -)))
337 337  
338 -(((
339 339  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
340 -)))
341 341  
342 -(((
340 +
343 343  **Handle return from sensors to RS485-BL**:
344 -)))
345 345  
346 -(((
347 347  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**
348 -)))
349 349  
350 -* (((
351 -**AT+DATACUT**
352 -)))
353 353  
354 -(((
346 +* **AT+DATACUT**
347 +
355 355  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.
356 -)))
357 357  
358 -* (((
359 -**AT+SEARCH**
360 -)))
361 361  
362 -(((
351 +* **AT+SEARCH**
352 +
363 363  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.
364 -)))
365 365  
366 -(((
355 +
367 367  **Define wait timeout:**
368 -)))
369 369  
370 -(((
371 371  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
372 -)))
373 373  
374 -(((
360 +
375 375  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
376 -)))
377 377  
363 +
378 378  **Examples:**
379 379  
380 380  Below are examples for the how above AT Commands works.
381 381  
368 +
382 382  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
383 383  
384 -(% border="1" class="table-bordered" %)
385 385  |(((
386 386  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
387 387  
... ... @@ -394,9 +394,9 @@
394 394  
395 395  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
396 396  
383 +
397 397  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
398 398  
399 -(% border="1" class="table-bordered" %)
400 400  |(((
401 401  **AT+SEARCHx=aa,xx xx xx xx xx**
402 402  
... ... @@ -414,7 +414,7 @@
414 414  
415 415  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
416 416  
417 -[[image:1652954654347-831.png]]
403 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
418 418  
419 419  
420 420  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -433,7 +433,7 @@
433 433  
434 434  * **a: length for the return of AT+COMMAND**
435 435  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
436 -* **c: define the position for valid value.  **
422 +* **c: define the position for valid value. **
437 437  )))
438 438  
439 439  Examples:
... ... @@ -474,7 +474,7 @@
474 474  
475 475  
476 476  
477 -1.
463 +1.
478 478  11.
479 479  111. Compose the uplink payload
480 480  
... ... @@ -571,6 +571,7 @@
571 571  1.
572 572  11. Uplink Payload
573 573  
560 +
574 574  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
575 575  |Value|(((
576 576  Battery(mV)
... ... @@ -619,7 +619,7 @@
619 619  
620 620  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
621 621  
622 -1.
609 +1.
623 623  11. Configure RS485-BL via AT or Downlink
624 624  
625 625  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -630,10 +630,12 @@
630 630  
631 631  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
632 632  
620 +
633 633  1.
634 634  11.
635 635  111. Common Commands:
636 636  
625 +
637 637  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]]
638 638  
639 639  
... ... @@ -641,6 +641,7 @@
641 641  11.
642 642  111. Sensor related commands:
643 643  
633 +
644 644  ==== Choose Device Type (RS485 or TTL) ====
645 645  
646 646  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -681,6 +681,7 @@
681 681  * XX XX XX XX: RS485 command total NN bytes
682 682  * 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
683 683  
674 +
684 684  **Example 1:**
685 685  
686 686  To connect a Modbus Alarm with below commands.
... ... @@ -789,6 +789,7 @@
789 789  
790 790  * AT+MBFUN=0: Disable Modbus fast reading.
791 791  
783 +
792 792  Example:
793 793  
794 794  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -873,7 +873,7 @@
873 873  
874 874  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
875 875  
876 -Example screen shot after clear all RS485 commands. 
868 +Example screen shot after clear all RS485 commands.
877 877  
878 878  
879 879  
... ... @@ -917,6 +917,7 @@
917 917  * A7 01 00 60   same as AT+BAUDR=9600
918 918  * A7 01 04 80  same as AT+BAUDR=115200
919 919  
912 +
920 920  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
921 921  
922 922  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -947,15 +947,17 @@
947 947  1.
948 948  11. Buttons
949 949  
943 +
950 950  |**Button**|**Feature**
951 951  |**RST**|Reboot RS485-BL
952 952  
947 +
953 953  1.
954 954  11. +3V3 Output
955 955  
956 956  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
957 957  
958 -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. 
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.
959 959  
960 960  
961 961  The +3V3 output time can be controlled by AT Command.
... ... @@ -973,7 +973,7 @@
973 973  
974 974  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
975 975  
976 -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. 
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.
977 977  
978 978  
979 979  The 5V output time can be controlled by AT Command.
... ... @@ -994,6 +994,7 @@
994 994  |**LEDs**|**Feature**
995 995  |**LED1**|Blink when device transmit a packet.
996 996  
992 +
997 997  1.
998 998  11. Switch Jumper
999 999  
... ... @@ -1015,6 +1015,7 @@
1015 1015  
1016 1016  1. Case Study
1017 1017  
1014 +
1018 1018  User can check this URL for some case studies.
1019 1019  
1020 1020  [[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]]
... ... @@ -1102,6 +1102,7 @@
1102 1102  * For bug fix
1103 1103  * Change LoRaWAN bands.
1104 1104  
1102 +
1105 1105  Below shows the hardware connection for how to upload an image to RS485-BL:
1106 1106  
1107 1107  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1145,6 +1145,7 @@
1145 1145  1.
1146 1146  11. How many RS485-Slave can RS485-BL connects?
1147 1147  
1146 +
1148 1148  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]].
1149 1149  
1150 1150  
... ... @@ -1155,7 +1155,7 @@
1155 1155  
1156 1156  Please see this link for debug:
1157 1157  
1158 -[[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]] 
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 1159  
1160 1160  
1161 1161  
... ... @@ -1170,6 +1170,7 @@
1170 1170  
1171 1171  1. Order Info
1172 1172  
1172 +
1173 1173  **Part Number: RS485-BL-XXX**
1174 1174  
1175 1175  **XXX:**
... ... @@ -1185,6 +1185,7 @@
1185 1185  * **RU864**: frequency bands RU864
1186 1186  * **KZ865: **frequency bands KZ865
1187 1187  
1188 +
1188 1188  1. Packing Info
1189 1189  
1190 1190  **Package Includes**:
... ... @@ -1193,6 +1193,7 @@
1193 1193  * Stick Antenna for LoRa RF part x 1
1194 1194  * Program cable x 1
1195 1195  
1197 +
1196 1196  **Dimension and weight**:
1197 1197  
1198 1198  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1200,6 +1200,7 @@
1200 1200  * Package Size / pcs : 14.5 x 8 x 5 cm
1201 1201  * Weight / pcs : 170g
1202 1202  
1205 +
1203 1203  1. Support
1204 1204  
1205 1205  * 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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