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<
From version < 5.1 >
edited by Xiaoling
on 2022/05/19 17:41
To version < 26.1 >
edited by Xiaoling
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Summary

Details

Page properties
Title
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1 -RS485-BL – Waterproof RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
... ... @@ -1,13 +1,11 @@
1 1  (% style="text-align:center" %)
2 -[[image:1652947681187-144.png||height="385" width="385"]]
2 +[[image:1653266934636-343.png||height="385" width="385"]]
3 3  
4 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.jpg]]
5 5  
6 6  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 -**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
9 9  
10 -
11 11  **Table of Contents:**
12 12  
13 13  
... ... @@ -16,62 +16,44 @@
16 16  
17 17  = 1.Introduction =
18 18  
19 -== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
17 +== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
20 20  
21 21  (((
22 -
23 -)))
24 -
25 25  (((
26 -The Dragino RS485-BL is a **RS485 / UART to LoRaWAN Converter** for Internet of Things solutions. User can connect RS485 or UART sensor to RS485-BL converter, and configure RS485-BL to periodically read sensor data and upload via LoRaWAN network to IoT server.
21 +The Dragino RS485-LN is a RS485 to LoRaWAN Converter. It converts the RS485 signal into LoRaWAN wireless signal which simplify the IoT installation and reduce the installation/maintaining cost.
27 27  )))
28 28  
29 29  (((
30 -RS485-BL can interface to RS485 sensor, 3.3v/5v UART sensor or interrupt sensor. RS485-BL provides **a 3.3v output** and** a 5v output** to power external sensors. Both output voltages are controllable to minimize the total system power consumption.
25 +RS485-LN allows user to monitor / control RS485 devices and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
31 31  )))
32 32  
33 33  (((
34 -RS485-BL is IP67 **waterproof** and powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use for several years.
29 +For data uplink, RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
35 35  )))
36 36  
37 37  (((
38 -RS485-BL runs standard **LoRaWAN 1.0.3 in Class A**. It can reach long transfer range and easy to integrate with LoRaWAN compatible gateway and IoT server.
33 +For data downlink, RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
39 39  )))
40 -
41 -(((
42 -For data uplink, RS485-BL sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-BL will process these returns data according to user-define rules to get the final payload and upload to LoRaWAN server.
43 43  )))
44 44  
45 -(((
46 -For data downlink, RS485-BL runs in LoRaWAN Class A. When there is downlink commands from LoRaWAN server, RS485-BL will forward the commands from LoRaWAN server to RS485 devices.
47 -)))
37 +[[image:1653267211009-519.png||height="419" width="724"]]
48 48  
49 -(((
50 -Each RS485-BL pre-load with a set of unique keys for LoRaWAN registration, register these keys to LoRaWAN server and it will auto connect after power on.
51 -)))
52 -
53 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
54 -
55 55  == 1.2 Specifications ==
56 56  
57 57  **Hardware System:**
58 58  
59 59  * STM32L072CZT6 MCU
60 -* SX1276/78 Wireless Chip
44 +* SX1276/78 Wireless Chip 
61 61  * Power Consumption (exclude RS485 device):
62 -** Idle: 6uA@3.3v
46 +** Idle: 32mA@12v
63 63  
64 -*
65 -** 20dB Transmit: 130mA@3.3v
48 +*
49 +** 20dB Transmit: 65mA@12v
66 66  
67 67  **Interface for Model:**
68 68  
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
53 +* RS485
54 +* Power Input 7~~ 24V DC. 
75 75  
76 76  **LoRa Spec:**
77 77  
... ... @@ -80,27 +80,30 @@
80 80  ** Band 2 (LF): 410 ~~ 528 Mhz
81 81  * 168 dB maximum link budget.
82 82  * +20 dBm - 100 mW constant RF output vs.
63 +* +14 dBm high efficiency PA.
83 83  * Programmable bit rate up to 300 kbps.
84 84  * High sensitivity: down to -148 dBm.
85 85  * Bullet-proof front end: IIP3 = -12.5 dBm.
86 86  * Excellent blocking immunity.
68 +* Low RX current of 10.3 mA, 200 nA register retention.
87 87  * Fully integrated synthesizer with a resolution of 61 Hz.
88 -* LoRa modulation.
70 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
89 89  * Built-in bit synchronizer for clock recovery.
90 90  * Preamble detection.
91 91  * 127 dB Dynamic Range RSSI.
92 -* Automatic RF Sense and CAD with ultra-fast AFC. ​​​
74 +* Automatic RF Sense and CAD with ultra-fast AFC.
75 +* Packet engine up to 256 bytes with CRC.
93 93  
94 94  == 1.3 Features ==
95 95  
96 -* LoRaWAN Class A & Class C protocol (default Class A)
79 +* LoRaWAN Class A & Class C protocol (default Class C)
97 97  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
98 98  * AT Commands to change parameters
99 -* Remote configure parameters via LoRaWAN Downlink
82 +* Remote configure parameters via LoRa Downlink
100 100  * Firmware upgradable via program port
101 101  * Support multiply RS485 devices by flexible rules
102 102  * Support Modbus protocol
103 -* Support Interrupt uplink
86 +* Support Interrupt uplink (Since hardware version v1.2)
104 104  
105 105  == 1.4 Applications ==
106 106  
... ... @@ -111,262 +111,269 @@
111 111  * Smart Cities
112 112  * Smart Factory
113 113  
114 -== 1.5 Firmware Change log ==
97 +== 1.5 Firmware Change log ==
115 115  
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);"]]
99 +[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
117 117  
118 118  == 1.6 Hardware Change log ==
119 119  
120 120  (((
121 -v1.4
104 +(((
105 +v1.2: Add External Interrupt Pin.
106 +
107 +v1.0: Release
122 122  )))
109 +)))
123 123  
111 += 2. Power ON Device =
112 +
124 124  (((
125 -~1. Change Power IC to TPS22916
126 -)))
114 +The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
127 127  
116 +* Power Source VIN to RS485-LN VIN+
117 +* Power Source GND to RS485-LN VIN-
128 128  
129 129  (((
130 -v1.3
120 +Once there is power, the RS485-LN will be on.
131 131  )))
132 132  
133 -(((
134 -~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
123 +[[image:1653268091319-405.png]]
135 135  )))
136 136  
126 += 3. Operation Mode =
137 137  
138 -(((
139 -v1.2
140 -)))
128 +== 3.1 How it works? ==
141 141  
142 142  (((
143 -Release version ​​​​​
131 +The RS485-LN is configured as LoRaWAN OTAA Class C 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-LN. It will auto join the network via OTAA.
144 144  )))
145 145  
146 -= 2. Pin mapping and Power ON Device =
134 +== 3.2 Example to join LoRaWAN network ==
147 147  
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.
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. 
149 149  
150 -[[image:1652953055962-143.png||height="387" width="728"]]
138 +[[image:1653268155545-638.png||height="334" width="724"]]
151 151  
152 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
140 +(((
141 +The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
153 153  
154 -The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
143 +485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
155 155  
145 +[[image:1653268227651-549.png||height="592" width="720"]]
156 156  
147 +(((
148 +The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
149 +)))
157 157  
158 -3. Operation Mode
159 -3.1 How it works?
151 +(((
152 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
153 +)))
160 160  
161 -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.
155 +(((
156 +Each RS485-LN is shipped with a sticker with unique device EUI:
157 +)))
158 +)))
162 162  
160 +[[image:1652953462722-299.png]]
163 163  
164 -1.
165 -11. Example to join LoRaWAN network
166 -
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.
168 -
169 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
170 -
171 -
172 -The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
173 -
174 -
175 -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:
176 -
177 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
178 -
179 -Each RS485-BL is shipped with a sticker with unique device EUI:
180 -
181 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
182 -
183 -
184 -
185 -
162 +(((
163 +(((
186 186  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
165 +)))
187 187  
167 +(((
188 188  Add APP EUI in the application.
169 +)))
170 +)))
189 189  
190 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
172 +[[image:image-20220519174512-1.png]]
191 191  
192 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
174 +[[image:image-20220519174512-2.png||height="323" width="720"]]
193 193  
194 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
176 +[[image:image-20220519174512-3.png||height="556" width="724"]]
195 195  
196 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
178 +[[image:image-20220519174512-4.png]]
197 197  
198 -
199 -
200 -
201 -
202 -
203 -
204 -
205 -
206 -
207 -
208 -
209 -
210 -
211 -
212 -
213 -
214 214  You can also choose to create the device manually.
215 215  
216 -|(((
217 -
218 -)))
182 +[[image:1652953542269-423.png||height="710" width="723"]]
219 219  
220 -
221 -
222 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 -
224 224  Add APP KEY and DEV EUI
225 225  
226 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
186 +[[image:1652953553383-907.png||height="514" width="724"]]
227 227  
228 228  
229 -**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.
189 +(((
190 +**Step 2**: Power on RS485-LN 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.
191 +)))
230 230  
231 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
193 +[[image:1652953568895-172.png||height="232" width="724"]]
232 232  
195 +== 3.3 Configure Commands to read data ==
233 233  
197 +(((
198 +(((
199 +There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
200 +)))
234 234  
202 +(((
203 +(% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
204 +)))
205 +)))
235 235  
236 -1.
237 -11. Configure Commands to read data
207 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
238 238  
239 -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.
209 +To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
240 240  
241 -
242 -1.
243 -11.
244 -111. Configure UART settings for RS485 or TTL communication
245 -
246 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
247 -
248 -1. RS485-MODBUS mode:
249 -
250 -AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
251 -
252 -
253 -1. TTL mode:
254 -
255 -AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
256 -
257 -
258 -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.
259 -
260 -
261 -|**AT Commands**|**Description**|**Example**
262 -|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
211 +(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212 +|(((
213 +**AT Commands**
214 +)))|(% style="width:285px" %)(((
215 +**Description**
216 +)))|(% style="width:347px" %)(((
217 +**Example**
218 +)))
219 +|(((
220 +AT+BAUDR
221 +)))|(% style="width:285px" %)(((
222 +Set the baud rate (for RS485 connection). Default Value is: 9600.
223 +)))|(% style="width:347px" %)(((
224 +(((
263 263  AT+BAUDR=9600
226 +)))
264 264  
228 +(((
265 265  Options: (1200,2400,4800,14400,19200,115200)
266 266  )))
267 -|AT+PARITY|(((
231 +)))
232 +|(((
233 +AT+PARITY
234 +)))|(% style="width:285px" %)(((
268 268  Set UART parity (for RS485 connection)
269 -
270 -Default Value is: no parity.
271 -)))|(((
236 +)))|(% style="width:347px" %)(((
237 +(((
272 272  AT+PARITY=0
239 +)))
273 273  
241 +(((
274 274  Option: 0: no parity, 1: odd parity, 2: even parity
275 275  )))
276 -|AT+STOPBIT|(((
244 +)))
245 +|(((
246 +AT+STOPBIT
247 +)))|(% style="width:285px" %)(((
248 +(((
277 277  Set serial stopbit (for RS485 connection)
250 +)))
278 278  
279 -Default Value is: 1bit.
280 -)))|(((
252 +(((
253 +
254 +)))
255 +)))|(% style="width:347px" %)(((
256 +(((
281 281  AT+STOPBIT=0 for 1bit
258 +)))
282 282  
260 +(((
283 283  AT+STOPBIT=1 for 1.5 bit
262 +)))
284 284  
264 +(((
285 285  AT+STOPBIT=2 for 2 bits
286 286  )))
267 +)))
287 287  
269 +=== 3.3.2 Configure sensors ===
288 288  
271 +(((
272 +(((
273 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
274 +)))
275 +)))
289 289  
290 -
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|(((
277 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279 +|AT+CFGDEV|(% style="width:418px" %)(((
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,m
282 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
306 306  
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
284 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
285 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
309 309  
310 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
287 +=== 3.3.3 Configure read commands for each sampling ===
311 311  
312 -
313 -
314 -
315 -
316 -1.
317 -11.
318 -111. Configure read commands for each sampling
319 -
289 +(((
320 320  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.
291 +)))
321 321  
322 -
293 +(((
323 323  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.
295 +)))
324 324  
325 -
297 +(((
326 326  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
299 +)))
327 327  
328 -
301 +(((
329 329  This section describes how to achieve above goals.
303 +)))
330 330  
331 -
305 +(((
332 332  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
307 +)))
333 333  
334 -
309 +(((
335 335  **Command from RS485-BL to Sensor:**
311 +)))
336 336  
313 +(((
337 337  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
315 +)))
338 338  
339 -
317 +(((
340 340  **Handle return from sensors to RS485-BL**:
319 +)))
341 341  
321 +(((
342 342  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**
323 +)))
343 343  
325 +* (((
326 +**AT+DATACUT**
327 +)))
344 344  
345 -* **AT+DATACUT**
346 -
329 +(((
347 347  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.
331 +)))
348 348  
333 +* (((
334 +**AT+SEARCH**
335 +)))
349 349  
350 -* **AT+SEARCH**
351 -
337 +(((
352 352  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.
339 +)))
353 353  
354 -
341 +(((
355 355  **Define wait timeout:**
343 +)))
356 356  
345 +(((
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
347 +)))
358 358  
359 -
349 +(((
360 360  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351 +)))
361 361  
362 -
363 363  **Examples:**
364 364  
365 365  Below are examples for the how above AT Commands works.
366 366  
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  
359 +(% border="1" class="table-bordered" %)
370 370  |(((
371 371  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
372 372  
... ... @@ -379,9 +379,9 @@
379 379  
380 380  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
381 381  
382 -
383 383  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
384 384  
374 +(% border="1" class="table-bordered" %)
385 385  |(((
386 386  **AT+SEARCHx=aa,xx xx xx xx xx**
387 387  
... ... @@ -399,7 +399,7 @@
399 399  
400 400  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
401 401  
402 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
392 +[[image:1652954654347-831.png]]
403 403  
404 404  
405 405  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -418,7 +418,7 @@
418 418  
419 419  * **a: length for the return of AT+COMMAND**
420 420  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
421 -* **c: define the position for valid value. **
411 +* **c: define the position for valid value.  **
422 422  )))
423 423  
424 424  Examples:
... ... @@ -459,8 +459,8 @@
459 459  
460 460  
461 461  
462 -1.
463 -11.
452 +1.
453 +11.
464 464  111. Compose the uplink payload
465 465  
466 466  Through AT+COMMANDx and AT+DATACUTx we got valid value from each RS485 commands, Assume these valid value are RETURN1, RETURN2, .., to RETURNx. The next step is how to compose the LoRa Uplink Payload by these RETURNs. The command is **AT+DATAUP.**
... ... @@ -524,8 +524,8 @@
524 524  
525 525  
526 526  
527 -1.
528 -11.
517 +1.
518 +11.
529 529  111. Uplink on demand
530 530  
531 531  Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
... ... @@ -538,8 +538,8 @@
538 538  
539 539  
540 540  
541 -1.
542 -11.
531 +1.
532 +11.
543 543  111. Uplink on Interrupt
544 544  
545 545  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -553,10 +553,9 @@
553 553  AT+INTMOD=3  Interrupt trigger by rising edge.
554 554  
555 555  
556 -1.
546 +1.
557 557  11. Uplink Payload
558 558  
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.
597 +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
... ... @@ -616,20 +616,17 @@
616 616  
617 617  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
618 618  
619 -
620 -1.
621 -11.
608 +1.
609 +11.
622 622  111. Common Commands:
623 623  
624 -
625 625  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]]
626 626  
627 627  
628 -1.
629 -11.
615 +1.
616 +11.
630 630  111. Sensor related commands:
631 631  
632 -
633 633  ==== Choose Device Type (RS485 or TTL) ====
634 634  
635 635  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -670,7 +670,6 @@
670 670  * XX XX XX XX: RS485 command total NN bytes
671 671  * 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
672 672  
673 -
674 674  **Example 1:**
675 675  
676 676  To connect a Modbus Alarm with below commands.
... ... @@ -779,7 +779,6 @@
779 779  
780 780  * AT+MBFUN=0: Disable Modbus fast reading.
781 781  
782 -
783 783  Example:
784 784  
785 785  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -864,7 +864,7 @@
864 864  
865 865  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
866 866  
867 -Example screen shot after clear all RS485 commands.
851 +Example screen shot after clear all RS485 commands. 
868 868  
869 869  
870 870  
... ... @@ -908,7 +908,6 @@
908 908  * A7 01 00 60   same as AT+BAUDR=9600
909 909  * A7 01 04 80  same as AT+BAUDR=115200
910 910  
911 -
912 912  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
913 913  
914 914  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -936,20 +936,18 @@
936 936  
937 937  
938 938  
939 -1.
922 +1.
940 940  11. Buttons
941 941  
942 -
943 943  |**Button**|**Feature**
944 944  |**RST**|Reboot RS485-BL
945 945  
946 -
947 -1.
928 +1.
948 948  11. +3V3 Output
949 949  
950 950  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
951 951  
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.
933 +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. 
953 953  
954 954  
955 955  The +3V3 output time can be controlled by AT Command.
... ... @@ -962,12 +962,12 @@
962 962  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
963 963  
964 964  
965 -1.
946 +1.
966 966  11. +5V Output
967 967  
968 968  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
969 969  
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.
951 +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. 
971 971  
972 972  
973 973  The 5V output time can be controlled by AT Command.
... ... @@ -982,14 +982,13 @@
982 982  
983 983  
984 984  
985 -1.
966 +1.
986 986  11. LEDs
987 987  
988 988  |**LEDs**|**Feature**
989 989  |**LED1**|Blink when device transmit a packet.
990 990  
991 -
992 -1.
972 +1.
993 993  11. Switch Jumper
994 994  
995 995  |**Switch Jumper**|**Feature**
... ... @@ -1010,7 +1010,6 @@
1010 1010  
1011 1011  1. Case Study
1012 1012  
1013 -
1014 1014  User can check this URL for some case studies.
1015 1015  
1016 1016  [[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]]
... ... @@ -1036,7 +1036,7 @@
1036 1036  
1037 1037  
1038 1038  
1039 -1.
1018 +1.
1040 1040  11. Common AT Command Sequence
1041 1041  111. Multi-channel ABP mode (Use with SX1301/LG308)
1042 1042  
... ... @@ -1055,8 +1055,8 @@
1055 1055  
1056 1056  ATZ
1057 1057  
1058 -1.
1059 -11.
1037 +1.
1038 +11.
1060 1060  111. Single-channel ABP mode (Use with LG01/LG02)
1061 1061  
1062 1062  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1098,7 +1098,6 @@
1098 1098  * For bug fix
1099 1099  * Change LoRaWAN bands.
1100 1100  
1101 -
1102 1102  Below shows the hardware connection for how to upload an image to RS485-BL:
1103 1103  
1104 1104  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1132,7 +1132,7 @@
1132 1132  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1133 1133  
1134 1134  
1135 -1.
1113 +1.
1136 1136  11. How to change the LoRa Frequency Bands/Region?
1137 1137  
1138 1138  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1139,10 +1139,9 @@
1139 1139  
1140 1140  
1141 1141  
1142 -1.
1120 +1.
1143 1143  11. How many RS485-Slave can RS485-BL connects?
1144 1144  
1145 -
1146 1146  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]].
1147 1147  
1148 1148  
... ... @@ -1153,11 +1153,11 @@
1153 1153  
1154 1154  Please see this link for debug:
1155 1155  
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]]
1133 +[[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 1157  
1158 1158  
1159 1159  
1160 -1.
1137 +1.
1161 1161  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1162 1162  
1163 1163  It might about the channels mapping. Please see for detail.
... ... @@ -1168,7 +1168,6 @@
1168 1168  
1169 1169  1. Order Info
1170 1170  
1171 -
1172 1172  **Part Number: RS485-BL-XXX**
1173 1173  
1174 1174  **XXX:**
... ... @@ -1184,7 +1184,6 @@
1184 1184  * **RU864**: frequency bands RU864
1185 1185  * **KZ865: **frequency bands KZ865
1186 1186  
1187 -
1188 1188  1. Packing Info
1189 1189  
1190 1190  **Package Includes**:
... ... @@ -1193,7 +1193,6 @@
1193 1193  * Stick Antenna for LoRa RF part x 1
1194 1194  * Program cable x 1
1195 1195  
1196 -
1197 1197  **Dimension and weight**:
1198 1198  
1199 1199  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1201,7 +1201,6 @@
1201 1201  * Package Size / pcs : 14.5 x 8 x 5 cm
1202 1202  * Weight / pcs : 170g
1203 1203  
1204 -
1205 1205  1. Support
1206 1206  
1207 1207  * 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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