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edited by Xiaoling
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Summary

Details

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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  
... ... @@ -94,280 +94,262 @@
94 94  * Smart Cities
95 95  * Smart Factory
96 96  
97 -== 1.5 Firmware Change log ==
114 +== 1.5 Firmware Change log ==
98 98  
99 -[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
116 +[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/||style="background-color: rgb(255, 255, 255);"]]
100 100  
101 101  == 1.6 Hardware Change log ==
102 102  
103 103  (((
104 -(((
105 -v1.2: Add External Interrupt Pin.
121 +v1.4
122 +)))
106 106  
107 -v1.0: Release
124 +(((
125 +~1. Change Power IC to TPS22916
108 108  )))
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
130 +v1.3
131 +)))
115 115  
116 -* Power Source VIN to RS485-LN VIN+
117 -* Power Source GND to RS485-LN VIN-
133 +(((
134 +~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
135 +)))
118 118  
137 +
119 119  (((
120 -Once there is power, the RS485-LN will be on.
139 +v1.2
121 121  )))
122 122  
123 -[[image:1653268091319-405.png]]
142 +(((
143 +Release version ​​​​​
124 124  )))
125 125  
126 -= 3. Operation Mode =
146 += 2. Pin mapping and Power ON Device =
127 127  
128 -== 3.1 How it works? ==
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.
129 129  
130 -(((
150 +[[image:1652953055962-143.png||height="387" width="728"]]
151 +
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
153 +
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 +
131 131  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.
132 -)))
133 133  
134 -== 3.2 Example to join LoRaWAN network ==
135 135  
136 -Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
164 +1.
165 +11. Example to join LoRaWAN network
137 137  
138 -[[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.
139 139  
140 -(((
169 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 +
171 +
141 141  The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
142 -)))
143 143  
144 -(((
174 +
145 145  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:
146 -)))
147 147  
148 -(((
149 149  **Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
150 -)))
151 151  
152 -(((
153 153  Each RS485-BL is shipped with a sticker with unique device EUI:
154 -)))
155 155  
156 -[[image:1652953462722-299.png]]
181 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
157 157  
158 -(((
183 +
184 +
185 +
159 159  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
160 -)))
161 161  
162 -(((
163 163  Add APP EUI in the application.
164 -)))
165 165  
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
166 166  
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
167 167  
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
168 168  
169 -[[image:image-20220519174512-1.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
170 170  
171 -[[image:image-20220519174512-2.png||height="328" width="731"]]
172 172  
173 -[[image:image-20220519174512-3.png||height="556" width="724"]]
174 174  
175 -[[image:image-20220519174512-4.png]]
176 176  
201 +
202 +
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
177 177  You can also choose to create the device manually.
178 178  
179 -[[image:1652953542269-423.png||height="710" width="723"]]
216 +|(((
217 +
218 +)))
180 180  
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
181 181  Add APP KEY and DEV EUI
182 182  
183 -[[image:1652953553383-907.png||height="514" width="724"]]
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
184 184  
185 185  
186 -(((
187 187  **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.
188 -)))
189 189  
190 -[[image:1652953568895-172.png||height="232" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
191 191  
192 -== 3.3 Configure Commands to read data ==
193 193  
194 -(((
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
238 +
195 195  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.
196 -)))
197 197  
198 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
199 199  
242 +1.
243 +11.
244 +111. Configure UART settings for RS485 or TTL communication
245 +
200 200  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
201 201  
202 -**~1. RS485-MODBUS mode:**
248 +1. RS485-MODBUS mode:
203 203  
204 204  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
205 205  
206 -**2. TTL mode:**
207 207  
253 +1. TTL mode:
254 +
208 208  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
209 209  
257 +
210 210  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.
211 211  
212 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
213 -|(((
214 -**AT Commands**
215 -)))|(% style="width:285px" %)(((
216 -**Description**
217 -)))|(% style="width:347px" %)(((
218 -**Example**
219 -)))
220 -|(((
221 -AT+BAUDR
222 -)))|(% style="width:285px" %)(((
223 -Set the baud rate (for RS485 connection). Default Value is: 9600.
224 -)))|(% style="width:347px" %)(((
225 -(((
260 +
261 +|**AT Commands**|**Description**|**Example**
262 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
226 226  AT+BAUDR=9600
227 -)))
228 228  
229 -(((
230 230  Options: (1200,2400,4800,14400,19200,115200)
231 231  )))
232 -)))
233 -|(((
234 -AT+PARITY
235 -)))|(% style="width:285px" %)(((
236 -(((
267 +|AT+PARITY|(((
237 237  Set UART parity (for RS485 connection)
238 -)))
239 239  
240 -(((
241 241  Default Value is: no parity.
242 -)))
243 -)))|(% style="width:347px" %)(((
244 -(((
271 +)))|(((
245 245  AT+PARITY=0
246 -)))
247 247  
248 -(((
249 249  Option: 0: no parity, 1: odd parity, 2: even parity
250 250  )))
251 -)))
252 -|(((
253 -AT+STOPBIT
254 -)))|(% style="width:285px" %)(((
255 -(((
276 +|AT+STOPBIT|(((
256 256  Set serial stopbit (for RS485 connection)
257 -)))
258 258  
259 -(((
260 260  Default Value is: 1bit.
261 -)))
262 -)))|(% style="width:347px" %)(((
263 -(((
280 +)))|(((
264 264  AT+STOPBIT=0 for 1bit
265 -)))
266 266  
267 -(((
268 268  AT+STOPBIT=1 for 1.5 bit
269 -)))
270 270  
271 -(((
272 272  AT+STOPBIT=2 for 2 bits
273 273  )))
274 -)))
275 275  
276 -=== 3.3.2 Configure sensors ===
277 277  
278 -(((
279 -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**.
280 -)))
281 281  
282 -(((
283 -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.
284 -)))
285 285  
286 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
287 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
288 -|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|(((
289 289  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
290 290  
291 -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
292 292  
293 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
294 -)))|(% 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
295 295  
296 296  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
297 297  
298 -=== 3.3.3 Configure read commands for each sampling ===
299 299  
300 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
301 301  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.
302 -)))
303 303  
304 -(((
322 +
305 305  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.
306 -)))
307 307  
308 -(((
325 +
309 309  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
310 -)))
311 311  
312 -(((
328 +
313 313  This section describes how to achieve above goals.
314 -)))
315 315  
316 -(((
331 +
317 317  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
318 -)))
319 319  
320 -(((
334 +
321 321  **Command from RS485-BL to Sensor:**
322 -)))
323 323  
324 -(((
325 325  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
326 -)))
327 327  
328 -(((
339 +
329 329  **Handle return from sensors to RS485-BL**:
330 -)))
331 331  
332 -(((
333 333  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**
334 -)))
335 335  
336 -* (((
337 -**AT+DATACUT**
338 -)))
339 339  
340 -(((
345 +* **AT+DATACUT**
346 +
341 341  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.
342 -)))
343 343  
344 -* (((
345 -**AT+SEARCH**
346 -)))
347 347  
348 -(((
350 +* **AT+SEARCH**
351 +
349 349  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.
350 -)))
351 351  
352 -(((
354 +
353 353  **Define wait timeout:**
354 -)))
355 355  
356 -(((
357 357  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
358 -)))
359 359  
360 -(((
359 +
361 361  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
362 -)))
363 363  
362 +
364 364  **Examples:**
365 365  
366 366  Below are examples for the how above AT Commands works.
367 367  
367 +
368 368  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
369 369  
370 -(% 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  
382 +
383 383  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
384 384  
385 -(% 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:1652954654347-831.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.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.  **
421 +* **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.
462 +1.
464 464  11.
465 465  111. Compose the uplink payload
466 466  
... ... @@ -557,6 +557,7 @@
557 557  1.
558 558  11. Uplink Payload
559 559  
559 +
560 560  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
561 561  |Value|(((
562 562  Battery(mV)
... ... @@ -605,7 +605,7 @@
605 605  
606 606  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
607 607  
608 -1.
608 +1.
609 609  11. Configure RS485-BL via AT or Downlink
610 610  
611 611  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -616,10 +616,12 @@
616 616  
617 617  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
618 618  
619 +
619 619  1.
620 620  11.
621 621  111. Common Commands:
622 622  
624 +
623 623  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]]
624 624  
625 625  
... ... @@ -627,6 +627,7 @@
627 627  11.
628 628  111. Sensor related commands:
629 629  
632 +
630 630  ==== Choose Device Type (RS485 or TTL) ====
631 631  
632 632  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -667,6 +667,7 @@
667 667  * XX XX XX XX: RS485 command total NN bytes
668 668  * 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
669 669  
673 +
670 670  **Example 1:**
671 671  
672 672  To connect a Modbus Alarm with below commands.
... ... @@ -775,6 +775,7 @@
775 775  
776 776  * AT+MBFUN=0: Disable Modbus fast reading.
777 777  
782 +
778 778  Example:
779 779  
780 780  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -859,7 +859,7 @@
859 859  
860 860  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
861 861  
862 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
863 863  
864 864  
865 865  
... ... @@ -903,6 +903,7 @@
903 903  * A7 01 00 60   same as AT+BAUDR=9600
904 904  * A7 01 04 80  same as AT+BAUDR=115200
905 905  
911 +
906 906  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
907 907  
908 908  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -933,15 +933,17 @@
933 933  1.
934 934  11. Buttons
935 935  
942 +
936 936  |**Button**|**Feature**
937 937  |**RST**|Reboot RS485-BL
938 938  
946 +
939 939  1.
940 940  11. +3V3 Output
941 941  
942 942  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
943 943  
944 -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.
945 945  
946 946  
947 947  The +3V3 output time can be controlled by AT Command.
... ... @@ -959,7 +959,7 @@
959 959  
960 960  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
961 961  
962 -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.
963 963  
964 964  
965 965  The 5V output time can be controlled by AT Command.
... ... @@ -980,6 +980,7 @@
980 980  |**LEDs**|**Feature**
981 981  |**LED1**|Blink when device transmit a packet.
982 982  
991 +
983 983  1.
984 984  11. Switch Jumper
985 985  
... ... @@ -1001,6 +1001,7 @@
1001 1001  
1002 1002  1. Case Study
1003 1003  
1013 +
1004 1004  User can check this URL for some case studies.
1005 1005  
1006 1006  [[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]]
... ... @@ -1088,6 +1088,7 @@
1088 1088  * For bug fix
1089 1089  * Change LoRaWAN bands.
1090 1090  
1101 +
1091 1091  Below shows the hardware connection for how to upload an image to RS485-BL:
1092 1092  
1093 1093  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1131,6 +1131,7 @@
1131 1131  1.
1132 1132  11. How many RS485-Slave can RS485-BL connects?
1133 1133  
1145 +
1134 1134  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]].
1135 1135  
1136 1136  
... ... @@ -1141,7 +1141,7 @@
1141 1141  
1142 1142  Please see this link for debug:
1143 1143  
1144 -[[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]]
1145 1145  
1146 1146  
1147 1147  
... ... @@ -1156,6 +1156,7 @@
1156 1156  
1157 1157  1. Order Info
1158 1158  
1171 +
1159 1159  **Part Number: RS485-BL-XXX**
1160 1160  
1161 1161  **XXX:**
... ... @@ -1171,6 +1171,7 @@
1171 1171  * **RU864**: frequency bands RU864
1172 1172  * **KZ865: **frequency bands KZ865
1173 1173  
1187 +
1174 1174  1. Packing Info
1175 1175  
1176 1176  **Package Includes**:
... ... @@ -1179,6 +1179,7 @@
1179 1179  * Stick Antenna for LoRa RF part x 1
1180 1180  * Program cable x 1
1181 1181  
1196 +
1182 1182  **Dimension and weight**:
1183 1183  
1184 1184  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1186,6 +1186,7 @@
1186 1186  * Package Size / pcs : 14.5 x 8 x 5 cm
1187 1187  * Weight / pcs : 170g
1188 1188  
1204 +
1189 1189  1. Support
1190 1190  
1191 1191  * 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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