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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  
... ... @@ -14,28 +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  
... ... @@ -60,30 +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  
... ... @@ -94,278 +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  (((
121 +v1.4
122 +)))
123 +
104 104  (((
105 -v1.2: Add External Interrupt Pin.
125 +~1. Change Power IC to TPS22916
126 +)))
106 106  
107 -v1.0: Release
128 +
129 +(((
130 +v1.3
108 108  )))
132 +
133 +(((
134 +~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
109 109  )))
110 110  
111 -= 2. Power ON Device =
112 112  
113 113  (((
114 -The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
139 +v1.2
140 +)))
115 115  
116 -* Power Source VIN to RS485-LN VIN+
117 -* Power Source GND to RS485-LN VIN-
142 +(((
143 +Release version ​​​​​
144 +)))
118 118  
119 -Once there is power, the RS485-LN will be on.
146 += 2. Pin mapping and Power ON Device =
120 120  
121 -[[image:1653268091319-405.png]]
122 -)))
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.
123 123  
124 -= 3. Operation Mode =
150 +[[image:1652953055962-143.png||height="387" width="728"]]
125 125  
126 -== 3.1 How it works? ==
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
127 127  
128 -(((
154 +The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155 +
156 +
157 +
158 +3. Operation Mode
159 +3.1 How it works?
160 +
129 129  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.
130 -)))
131 131  
132 -== 3.2 Example to join LoRaWAN network ==
133 133  
134 -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. 
164 +1.
165 +11. Example to join LoRaWAN network
135 135  
136 -[[image:1652953414711-647.png||height="337" width="723"]]
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.
137 137  
138 -(((
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
139 139  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
140 -)))
141 141  
142 -(((
174 +
143 143  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:
144 -)))
145 145  
146 -(((
147 147  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
148 -)))
149 149  
150 -(((
151 151  Each RS485-BL is shipped with a sticker with unique device EUI:
152 -)))
153 153  
154 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
155 155  
156 -(((
183 +
184 +
185 +
157 157  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
158 -)))
159 159  
160 -(((
161 161  Add APP EUI in the application.
162 -)))
163 163  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
164 164  
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
165 165  
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
166 166  
167 -[[image:image-20220519174512-1.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
168 168  
169 -[[image:image-20220519174512-2.png||height="328" width="731"]]
170 170  
171 -[[image:image-20220519174512-3.png||height="556" width="724"]]
172 172  
173 -[[image:image-20220519174512-4.png]]
174 174  
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
175 175  You can also choose to create the device manually.
176 176  
177 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
178 178  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
179 179  Add APP KEY and DEV EUI
180 180  
181 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
182 182  
183 183  
184 -(((
185 185  **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.
186 -)))
187 187  
188 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
189 189  
190 -== 3.3 Configure Commands to read data ==
191 191  
192 -(((
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
238 +
193 193  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.
194 -)))
195 195  
196 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
197 197  
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
198 198  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
199 199  
200 -**~1. RS485-MODBUS mode:**
248 +1. RS485-MODBUS mode:
201 201  
202 202  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
203 203  
204 -**2. TTL mode:**
205 205  
253 +1. TTL mode:
254 +
206 206  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
207 207  
257 +
208 208  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.
209 209  
210 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
211 -|(((
212 -**AT Commands**
213 -)))|(% style="width:285px" %)(((
214 -**Description**
215 -)))|(% style="width:347px" %)(((
216 -**Example**
217 -)))
218 -|(((
219 -AT+BAUDR
220 -)))|(% style="width:285px" %)(((
221 -Set the baud rate (for RS485 connection). Default Value is: 9600.
222 -)))|(% style="width:347px" %)(((
223 -(((
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
224 224  AT+BAUDR=9600
225 -)))
226 226  
227 -(((
228 228  Options: (1200,2400,4800,14400,19200,115200)
229 229  )))
230 -)))
231 -|(((
232 -AT+PARITY
233 -)))|(% style="width:285px" %)(((
234 -(((
267 +|AT+PARITY|(((
235 235  Set UART parity (for RS485 connection)
236 -)))
237 237  
238 -(((
239 239  Default Value is: no parity.
240 -)))
241 -)))|(% style="width:347px" %)(((
242 -(((
271 +)))|(((
243 243  AT+PARITY=0
244 -)))
245 245  
246 -(((
247 247  Option: 0: no parity, 1: odd parity, 2: even parity
248 248  )))
249 -)))
250 -|(((
251 -AT+STOPBIT
252 -)))|(% style="width:285px" %)(((
253 -(((
276 +|AT+STOPBIT|(((
254 254  Set serial stopbit (for RS485 connection)
255 -)))
256 256  
257 -(((
258 258  Default Value is: 1bit.
259 -)))
260 -)))|(% style="width:347px" %)(((
261 -(((
280 +)))|(((
262 262  AT+STOPBIT=0 for 1bit
263 -)))
264 264  
265 -(((
266 266  AT+STOPBIT=1 for 1.5 bit
267 -)))
268 268  
269 -(((
270 270  AT+STOPBIT=2 for 2 bits
271 271  )))
272 -)))
273 273  
274 -=== 3.3.2 Configure sensors ===
275 275  
276 -(((
277 -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**.
278 -)))
279 279  
280 -(((
281 -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.
282 -)))
283 283  
284 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
285 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
286 -|AT+CFGDEV|(% style="width:418px" %)(((
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|(((
287 287  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
288 288  
289 -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
290 290  
291 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
292 -)))|(% 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
293 293  
294 294  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
295 295  
296 -=== 3.3.3 Configure read commands for each sampling ===
297 297  
298 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
299 299  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.
300 -)))
301 301  
302 -(((
322 +
303 303  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.
304 -)))
305 305  
306 -(((
325 +
307 307  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
308 -)))
309 309  
310 -(((
328 +
311 311  This section describes how to achieve above goals.
312 -)))
313 313  
314 -(((
331 +
315 315  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
316 -)))
317 317  
318 -(((
334 +
319 319  **Command from RS485-BL to Sensor:**
320 -)))
321 321  
322 -(((
323 323  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
324 -)))
325 325  
326 -(((
339 +
327 327  **Handle return from sensors to RS485-BL**:
328 -)))
329 329  
330 -(((
331 331  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**
332 -)))
333 333  
334 -* (((
335 -**AT+DATACUT**
336 -)))
337 337  
338 -(((
345 +* **AT+DATACUT**
346 +
339 339  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.
340 -)))
341 341  
342 -* (((
343 -**AT+SEARCH**
344 -)))
345 345  
346 -(((
350 +* **AT+SEARCH**
351 +
347 347  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.
348 -)))
349 349  
350 -(((
354 +
351 351  **Define wait timeout:**
352 -)))
353 353  
354 -(((
355 355  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
356 -)))
357 357  
358 -(((
359 +
359 359  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
360 -)))
361 361  
362 +
362 362  **Examples:**
363 363  
364 364  Below are examples for the how above AT Commands works.
365 365  
367 +
366 366  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
367 367  
368 -(% border="1" class="table-bordered" %)
369 369  |(((
370 370  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
371 371  
... ... @@ -378,9 +378,9 @@
378 378  
379 379  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
380 380  
382 +
381 381  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
382 382  
383 -(% border="1" class="table-bordered" %)
384 384  |(((
385 385  **AT+SEARCHx=aa,xx xx xx xx xx**
386 386  
... ... @@ -398,7 +398,7 @@
398 398  
399 399  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
400 400  
401 -[[image:1652954654347-831.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
402 402  
403 403  
404 404  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -417,7 +417,7 @@
417 417  
418 418  * **a: length for the return of AT+COMMAND**
419 419  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
420 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
421 421  )))
422 422  
423 423  Examples:
... ... @@ -458,7 +458,7 @@
458 458  
459 459  
460 460  
461 -1.
462 +1.
462 462  11.
463 463  111. Compose the uplink payload
464 464  
... ... @@ -555,6 +555,7 @@
555 555  1.
556 556  11. Uplink Payload
557 557  
559 +
558 558  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
559 559  |Value|(((
560 560  Battery(mV)
... ... @@ -603,7 +603,7 @@
603 603  
604 604  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
605 605  
606 -1.
608 +1.
607 607  11. Configure RS485-BL via AT or Downlink
608 608  
609 609  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -614,10 +614,12 @@
614 614  
615 615  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
616 616  
619 +
617 617  1.
618 618  11.
619 619  111. Common Commands:
620 620  
624 +
621 621  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]]
622 622  
623 623  
... ... @@ -625,6 +625,7 @@
625 625  11.
626 626  111. Sensor related commands:
627 627  
632 +
628 628  ==== Choose Device Type (RS485 or TTL) ====
629 629  
630 630  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -665,6 +665,7 @@
665 665  * XX XX XX XX: RS485 command total NN bytes
666 666  * 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
667 667  
673 +
668 668  **Example 1:**
669 669  
670 670  To connect a Modbus Alarm with below commands.
... ... @@ -773,6 +773,7 @@
773 773  
774 774  * AT+MBFUN=0: Disable Modbus fast reading.
775 775  
782 +
776 776  Example:
777 777  
778 778  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -857,7 +857,7 @@
857 857  
858 858  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
859 859  
860 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
861 861  
862 862  
863 863  
... ... @@ -901,6 +901,7 @@
901 901  * A7 01 00 60   same as AT+BAUDR=9600
902 902  * A7 01 04 80  same as AT+BAUDR=115200
903 903  
911 +
904 904  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
905 905  
906 906  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -931,15 +931,17 @@
931 931  1.
932 932  11. Buttons
933 933  
942 +
934 934  |**Button**|**Feature**
935 935  |**RST**|Reboot RS485-BL
936 936  
946 +
937 937  1.
938 938  11. +3V3 Output
939 939  
940 940  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
941 941  
942 -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.
943 943  
944 944  
945 945  The +3V3 output time can be controlled by AT Command.
... ... @@ -957,7 +957,7 @@
957 957  
958 958  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
959 959  
960 -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.
961 961  
962 962  
963 963  The 5V output time can be controlled by AT Command.
... ... @@ -978,6 +978,7 @@
978 978  |**LEDs**|**Feature**
979 979  |**LED1**|Blink when device transmit a packet.
980 980  
991 +
981 981  1.
982 982  11. Switch Jumper
983 983  
... ... @@ -999,6 +999,7 @@
999 999  
1000 1000  1. Case Study
1001 1001  
1013 +
1002 1002  User can check this URL for some case studies.
1003 1003  
1004 1004  [[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]]
... ... @@ -1086,6 +1086,7 @@
1086 1086  * For bug fix
1087 1087  * Change LoRaWAN bands.
1088 1088  
1101 +
1089 1089  Below shows the hardware connection for how to upload an image to RS485-BL:
1090 1090  
1091 1091  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1129,6 +1129,7 @@
1129 1129  1.
1130 1130  11. How many RS485-Slave can RS485-BL connects?
1131 1131  
1145 +
1132 1132  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]].
1133 1133  
1134 1134  
... ... @@ -1139,7 +1139,7 @@
1139 1139  
1140 1140  Please see this link for debug:
1141 1141  
1142 -[[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]]
1143 1143  
1144 1144  
1145 1145  
... ... @@ -1154,6 +1154,7 @@
1154 1154  
1155 1155  1. Order Info
1156 1156  
1171 +
1157 1157  **Part Number: RS485-BL-XXX**
1158 1158  
1159 1159  **XXX:**
... ... @@ -1169,6 +1169,7 @@
1169 1169  * **RU864**: frequency bands RU864
1170 1170  * **KZ865: **frequency bands KZ865
1171 1171  
1187 +
1172 1172  1. Packing Info
1173 1173  
1174 1174  **Package Includes**:
... ... @@ -1177,6 +1177,7 @@
1177 1177  * Stick Antenna for LoRa RF part x 1
1178 1178  * Program cable x 1
1179 1179  
1196 +
1180 1180  **Dimension and weight**:
1181 1181  
1182 1182  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1184,6 +1184,7 @@
1184 1184  * Package Size / pcs : 14.5 x 8 x 5 cm
1185 1185  * Weight / pcs : 170g
1186 1186  
1204 +
1187 1187  1. Support
1188 1188  
1189 1189  * 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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