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Last modified by Xiaoling on 2025/04/23 15:56
From version 19.4
edited by Xiaoling
on 2022/05/23 09:05
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To version 4.2
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  
... ... @@ -14,28 +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  
... ... @@ -94,276 +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. Pin mapping and Power ON Device =
112 112  
113 113  (((
114 -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.
139 +v1.2
115 115  )))
116 116  
142 +(((
143 +Release version ​​​​​
144 +)))
145 +
146 += 2. Pin mapping and Power ON Device =
147 +
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.
149 +
117 117  [[image:1652953055962-143.png||height="387" width="728"]]
118 118  
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
119 119  
120 120  The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
121 121  
122 -= 3. Operation Mode =
123 123  
124 -== 3.1 How it works? ==
125 125  
126 -(((
158 +3. Operation Mode
159 +3.1 How it works?
160 +
127 127  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.
128 -)))
129 129  
130 -== 3.2 Example to join LoRaWAN network ==
131 131  
132 -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
133 133  
134 -[[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.
135 135  
136 -(((
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
137 137  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
138 -)))
139 139  
140 -(((
174 +
141 141  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:
142 -)))
143 143  
144 -(((
145 145  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
146 -)))
147 147  
148 -(((
149 149  Each RS485-BL is shipped with a sticker with unique device EUI:
150 -)))
151 151  
152 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
153 153  
154 -(((
183 +
184 +
185 +
155 155  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
156 -)))
157 157  
158 -(((
159 159  Add APP EUI in the application.
160 -)))
161 161  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
162 162  
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
163 163  
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
164 164  
165 -[[image:image-20220519174512-1.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
166 166  
167 -[[image:image-20220519174512-2.png||height="328" width="731"]]
168 168  
169 -[[image:image-20220519174512-3.png||height="556" width="724"]]
170 170  
171 -[[image:image-20220519174512-4.png]]
172 172  
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
173 173  You can also choose to create the device manually.
174 174  
175 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
176 176  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
177 177  Add APP KEY and DEV EUI
178 178  
179 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
180 180  
181 181  
182 -(((
183 183  **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.
184 -)))
185 185  
186 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
187 187  
188 -== 3.3 Configure Commands to read data ==
189 189  
190 -(((
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
238 +
191 191  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.
192 -)))
193 193  
194 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
195 195  
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
196 196  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
197 197  
198 -**~1. RS485-MODBUS mode:**
248 +1. RS485-MODBUS mode:
199 199  
200 200  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
201 201  
202 -**2. TTL mode:**
203 203  
253 +1. TTL mode:
254 +
204 204  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
205 205  
257 +
206 206  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.
207 207  
208 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
209 -|(((
210 -**AT Commands**
211 -)))|(% style="width:285px" %)(((
212 -**Description**
213 -)))|(% style="width:347px" %)(((
214 -**Example**
215 -)))
216 -|(((
217 -AT+BAUDR
218 -)))|(% style="width:285px" %)(((
219 -Set the baud rate (for RS485 connection). Default Value is: 9600.
220 -)))|(% style="width:347px" %)(((
221 -(((
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
222 222  AT+BAUDR=9600
223 -)))
224 224  
225 -(((
226 226  Options: (1200,2400,4800,14400,19200,115200)
227 227  )))
228 -)))
229 -|(((
230 -AT+PARITY
231 -)))|(% style="width:285px" %)(((
232 -(((
267 +|AT+PARITY|(((
233 233  Set UART parity (for RS485 connection)
234 -)))
235 235  
236 -(((
237 237  Default Value is: no parity.
238 -)))
239 -)))|(% style="width:347px" %)(((
240 -(((
271 +)))|(((
241 241  AT+PARITY=0
242 -)))
243 243  
244 -(((
245 245  Option: 0: no parity, 1: odd parity, 2: even parity
246 246  )))
247 -)))
248 -|(((
249 -AT+STOPBIT
250 -)))|(% style="width:285px" %)(((
251 -(((
276 +|AT+STOPBIT|(((
252 252  Set serial stopbit (for RS485 connection)
253 -)))
254 254  
255 -(((
256 256  Default Value is: 1bit.
257 -)))
258 -)))|(% style="width:347px" %)(((
259 -(((
280 +)))|(((
260 260  AT+STOPBIT=0 for 1bit
261 -)))
262 262  
263 -(((
264 264  AT+STOPBIT=1 for 1.5 bit
265 -)))
266 266  
267 -(((
268 268  AT+STOPBIT=2 for 2 bits
269 269  )))
270 -)))
271 271  
272 -=== 3.3.2 Configure sensors ===
273 273  
274 -(((
275 -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**.
276 -)))
277 277  
278 -(((
279 -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.
280 -)))
281 281  
282 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
283 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
284 -|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|(((
285 285  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
286 286  
287 -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
288 288  
289 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
290 -)))|(% 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
291 291  
292 292  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
293 293  
294 -=== 3.3.3 Configure read commands for each sampling ===
295 295  
296 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
297 297  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.
298 -)))
299 299  
300 -(((
322 +
301 301  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.
302 -)))
303 303  
304 -(((
325 +
305 305  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
306 -)))
307 307  
308 -(((
328 +
309 309  This section describes how to achieve above goals.
310 -)))
311 311  
312 -(((
331 +
313 313  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314 -)))
315 315  
316 -(((
334 +
317 317  **Command from RS485-BL to Sensor:**
318 -)))
319 319  
320 -(((
321 321  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
322 -)))
323 323  
324 -(((
339 +
325 325  **Handle return from sensors to RS485-BL**:
326 -)))
327 327  
328 -(((
329 329  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**
330 -)))
331 331  
332 -* (((
333 -**AT+DATACUT**
334 -)))
335 335  
336 -(((
345 +* **AT+DATACUT**
346 +
337 337  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.
338 -)))
339 339  
340 -* (((
341 -**AT+SEARCH**
342 -)))
343 343  
344 -(((
350 +* **AT+SEARCH**
351 +
345 345  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.
346 -)))
347 347  
348 -(((
354 +
349 349  **Define wait timeout:**
350 -)))
351 351  
352 -(((
353 353  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
354 -)))
355 355  
356 -(((
359 +
357 357  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
358 -)))
359 359  
362 +
360 360  **Examples:**
361 361  
362 362  Below are examples for the how above AT Commands works.
363 363  
367 +
364 364  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
365 365  
366 -(% border="1" class="table-bordered" %)
367 367  |(((
368 368  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
369 369  
... ... @@ -376,9 +376,9 @@
376 376  
377 377  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
378 378  
382 +
379 379  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
380 380  
381 -(% border="1" class="table-bordered" %)
382 382  |(((
383 383  **AT+SEARCHx=aa,xx xx xx xx xx**
384 384  
... ... @@ -396,7 +396,7 @@
396 396  
397 397  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
398 398  
399 -[[image:1652954654347-831.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
400 400  
401 401  
402 402  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -415,7 +415,7 @@
415 415  
416 416  * **a: length for the return of AT+COMMAND**
417 417  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
418 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
419 419  )))
420 420  
421 421  Examples:
... ... @@ -456,7 +456,7 @@
456 456  
457 457  
458 458  
459 -1.
462 +1.
460 460  11.
461 461  111. Compose the uplink payload
462 462  
... ... @@ -553,6 +553,7 @@
553 553  1.
554 554  11. Uplink Payload
555 555  
559 +
556 556  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
557 557  |Value|(((
558 558  Battery(mV)
... ... @@ -601,7 +601,7 @@
601 601  
602 602  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
603 603  
604 -1.
608 +1.
605 605  11. Configure RS485-BL via AT or Downlink
606 606  
607 607  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -612,10 +612,12 @@
612 612  
613 613  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
614 614  
619 +
615 615  1.
616 616  11.
617 617  111. Common Commands:
618 618  
624 +
619 619  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]]
620 620  
621 621  
... ... @@ -623,6 +623,7 @@
623 623  11.
624 624  111. Sensor related commands:
625 625  
632 +
626 626  ==== Choose Device Type (RS485 or TTL) ====
627 627  
628 628  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -663,6 +663,7 @@
663 663  * XX XX XX XX: RS485 command total NN bytes
664 664  * 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
665 665  
673 +
666 666  **Example 1:**
667 667  
668 668  To connect a Modbus Alarm with below commands.
... ... @@ -771,6 +771,7 @@
771 771  
772 772  * AT+MBFUN=0: Disable Modbus fast reading.
773 773  
782 +
774 774  Example:
775 775  
776 776  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -855,7 +855,7 @@
855 855  
856 856  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
857 857  
858 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
859 859  
860 860  
861 861  
... ... @@ -899,6 +899,7 @@
899 899  * A7 01 00 60   same as AT+BAUDR=9600
900 900  * A7 01 04 80  same as AT+BAUDR=115200
901 901  
911 +
902 902  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
903 903  
904 904  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -929,15 +929,17 @@
929 929  1.
930 930  11. Buttons
931 931  
942 +
932 932  |**Button**|**Feature**
933 933  |**RST**|Reboot RS485-BL
934 934  
946 +
935 935  1.
936 936  11. +3V3 Output
937 937  
938 938  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
939 939  
940 -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.
941 941  
942 942  
943 943  The +3V3 output time can be controlled by AT Command.
... ... @@ -955,7 +955,7 @@
955 955  
956 956  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
957 957  
958 -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.
959 959  
960 960  
961 961  The 5V output time can be controlled by AT Command.
... ... @@ -976,6 +976,7 @@
976 976  |**LEDs**|**Feature**
977 977  |**LED1**|Blink when device transmit a packet.
978 978  
991 +
979 979  1.
980 980  11. Switch Jumper
981 981  
... ... @@ -997,6 +997,7 @@
997 997  
998 998  1. Case Study
999 999  
1013 +
1000 1000  User can check this URL for some case studies.
1001 1001  
1002 1002  [[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]]
... ... @@ -1084,6 +1084,7 @@
1084 1084  * For bug fix
1085 1085  * Change LoRaWAN bands.
1086 1086  
1101 +
1087 1087  Below shows the hardware connection for how to upload an image to RS485-BL:
1088 1088  
1089 1089  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1127,6 +1127,7 @@
1127 1127  1.
1128 1128  11. How many RS485-Slave can RS485-BL connects?
1129 1129  
1145 +
1130 1130  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]].
1131 1131  
1132 1132  
... ... @@ -1137,7 +1137,7 @@
1137 1137  
1138 1138  Please see this link for debug:
1139 1139  
1140 -[[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]]
1141 1141  
1142 1142  
1143 1143  
... ... @@ -1152,6 +1152,7 @@
1152 1152  
1153 1153  1. Order Info
1154 1154  
1171 +
1155 1155  **Part Number: RS485-BL-XXX**
1156 1156  
1157 1157  **XXX:**
... ... @@ -1167,6 +1167,7 @@
1167 1167  * **RU864**: frequency bands RU864
1168 1168  * **KZ865: **frequency bands KZ865
1169 1169  
1187 +
1170 1170  1. Packing Info
1171 1171  
1172 1172  **Package Includes**:
... ... @@ -1175,6 +1175,7 @@
1175 1175  * Stick Antenna for LoRa RF part x 1
1176 1176  * Program cable x 1
1177 1177  
1196 +
1178 1178  **Dimension and weight**:
1179 1179  
1180 1180  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1182,6 +1182,7 @@
1182 1182  * Package Size / pcs : 14.5 x 8 x 5 cm
1183 1183  * Weight / pcs : 170g
1184 1184  
1204 +
1185 1185  1. Support
1186 1186  
1187 1187  * 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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