Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 15.2 >
edited by Xiaoling
on 2022/05/19 17:47
To version < 29.2 >
edited by Xiaoling
on 2022/05/23 09:37
>
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Summary

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Title
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1 -RS485-BL – Waterproof RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
... ... @@ -1,12 +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 4  
5 5  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
6 6  
7 -**RS485-BL – Waterproof RS485 to LoRaWAN Converter User Manual**
8 8  
9 -
10 10  **Table of Contents:**
11 11  
12 12  
... ... @@ -15,42 +15,28 @@
15 15  
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
17 +== 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
19 19  
20 20  (((
21 -
22 -)))
23 -
24 24  (((
25 -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.
26 26  )))
27 27  
28 28  (((
29 -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.
30 30  )))
31 31  
32 32  (((
33 -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.
34 34  )))
35 35  
36 36  (((
37 -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.
38 38  )))
39 -
40 -(((
41 -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.
42 42  )))
43 43  
44 -(((
45 -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.
46 -)))
37 +[[image:1653267211009-519.png||height="419" width="724"]]
47 47  
48 -(((
49 -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.
50 -)))
51 -
52 -[[image:1652953304999-717.png||height="424" width="733"]]
53 -
54 54  == 1.2 Specifications ==
55 55  
56 56  **Hardware System:**
... ... @@ -58,19 +58,15 @@
58 58  * STM32L072CZT6 MCU
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption (exclude RS485 device):
61 -** Idle: 6uA@3.3v
46 +** Idle: 32mA@12v
62 62  
63 -*
64 -** 20dB Transmit: 130mA@3.3v
48 +*
49 +** 20dB Transmit: 65mA@12v
65 65  
66 66  **Interface for Model:**
67 67  
68 -* 1 x RS485 Interface
69 -* 1 x TTL Serial , 3.3v or 5v.
70 -* 1 x I2C Interface, 3.3v or 5v.
71 -* 1 x one wire interface
72 -* 1 x Interrupt Interface
73 -* 1 x Controllable 5V output, max
53 +* RS485
54 +* Power Input 7~~ 24V DC. 
74 74  
75 75  **LoRa Spec:**
76 76  
... ... @@ -79,27 +79,30 @@
79 79  ** Band 2 (LF): 410 ~~ 528 Mhz
80 80  * 168 dB maximum link budget.
81 81  * +20 dBm - 100 mW constant RF output vs.
63 +* +14 dBm high efficiency PA.
82 82  * Programmable bit rate up to 300 kbps.
83 83  * High sensitivity: down to -148 dBm.
84 84  * Bullet-proof front end: IIP3 = -12.5 dBm.
85 85  * Excellent blocking immunity.
68 +* Low RX current of 10.3 mA, 200 nA register retention.
86 86  * Fully integrated synthesizer with a resolution of 61 Hz.
87 -* LoRa modulation.
70 +* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
88 88  * Built-in bit synchronizer for clock recovery.
89 89  * Preamble detection.
90 90  * 127 dB Dynamic Range RSSI.
91 -* 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.
92 92  
93 93  == 1.3 Features ==
94 94  
95 -* LoRaWAN Class A & Class C protocol (default Class A)
79 +* LoRaWAN Class A & Class C protocol (default Class C)
96 96  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
97 97  * AT Commands to change parameters
98 -* Remote configure parameters via LoRaWAN Downlink
82 +* Remote configure parameters via LoRa Downlink
99 99  * Firmware upgradable via program port
100 100  * Support multiply RS485 devices by flexible rules
101 101  * Support Modbus protocol
102 -* Support Interrupt uplink
86 +* Support Interrupt uplink (Since hardware version v1.2)
103 103  
104 104  == 1.4 Applications ==
105 105  
... ... @@ -112,53 +112,39 @@
112 112  
113 113  == 1.5 Firmware Change log ==
114 114  
115 -[[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/]]
116 116  
117 117  == 1.6 Hardware Change log ==
118 118  
119 119  (((
120 -v1.4
121 -)))
122 -
123 123  (((
124 -~1. Change Power IC to TPS22916
125 -)))
105 +v1.2: Add External Interrupt Pin.
126 126  
127 -
128 -(((
129 -v1.3
107 +v1.0: Release
130 130  )))
131 -
132 -(((
133 -~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
134 134  )))
135 135  
111 += 2. Power ON Device =
136 136  
137 137  (((
138 -v1.2
139 -)))
114 +The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
140 140  
116 +* Power Source VIN to RS485-LN VIN+
117 +* Power Source GND to RS485-LN VIN-
118 +
141 141  (((
142 -Release version ​​​​​
120 +Once there is power, the RS485-LN will be on.
143 143  )))
144 144  
145 -= 2. Pin mapping and Power ON Device =
146 -
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.
123 +[[image:1653268091319-405.png]]
149 149  )))
150 150  
151 -[[image:1652953055962-143.png||height="387" width="728"]]
152 -
153 -
154 -The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
155 -
156 156  = 3. Operation Mode =
157 157  
158 158  == 3.1 How it works? ==
159 159  
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.
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.
162 162  )))
163 163  
164 164  == 3.2 Example to join LoRaWAN network ==
... ... @@ -165,28 +165,43 @@
165 165  
166 166  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. 
167 167  
168 -[[image:1652953414711-647.png||height="337" width="723"]]
138 +[[image:1653268155545-638.png||height="334" width="724"]]
169 169  
170 -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 +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:
171 171  
172 -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:
143 +485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
173 173  
174 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
145 +[[image:1653268227651-549.png||height="592" width="720"]]
175 175  
176 -Each RS485-BL is shipped with a sticker with unique device EUI:
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 +)))
177 177  
151 +(((
152 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
153 +)))
154 +
155 +(((
156 +Each RS485-LN is shipped with a sticker with unique device EUI:
157 +)))
158 +)))
159 +
178 178  [[image:1652953462722-299.png]]
179 179  
162 +(((
163 +(((
180 180  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
165 +)))
181 181  
167 +(((
182 182  Add APP EUI in the application.
169 +)))
170 +)))
183 183  
184 -
185 -
186 -
187 187  [[image:image-20220519174512-1.png]]
188 188  
189 -[[image:image-20220519174512-2.png||height="328" width="731"]]
174 +[[image:image-20220519174512-2.png||height="323" width="720"]]
190 190  
191 191  [[image:image-20220519174512-3.png||height="556" width="724"]]
192 192  
... ... @@ -202,147 +202,176 @@
202 202  
203 203  
204 204  (((
205 -**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.
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.
206 206  )))
207 207  
208 208  [[image:1652953568895-172.png||height="232" width="724"]]
209 209  
195 +== 3.3 Configure Commands to read data ==
210 210  
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 +)))
211 211  
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 +)))
212 212  
213 -1.
214 -11. Configure Commands to read data
207 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
215 215  
216 -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:
217 217  
218 -
219 -1.
220 -11.
221 -111. Configure UART settings for RS485 or TTL communication
222 -
223 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
224 -
225 -1. RS485-MODBUS mode:
226 -
227 -AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
228 -
229 -
230 -1. TTL mode:
231 -
232 -AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
233 -
234 -
235 -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.
236 -
237 -
238 -|**AT Commands**|**Description**|**Example**
239 -|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 +(((
240 240  AT+BAUDR=9600
226 +)))
241 241  
228 +(((
242 242  Options: (1200,2400,4800,14400,19200,115200)
243 243  )))
244 -|AT+PARITY|(((
231 +)))
232 +|(((
233 +AT+PARITY
234 +)))|(% style="width:285px" %)(((
245 245  Set UART parity (for RS485 connection)
246 -
247 -Default Value is: no parity.
248 -)))|(((
236 +)))|(% style="width:347px" %)(((
237 +(((
249 249  AT+PARITY=0
239 +)))
250 250  
241 +(((
251 251  Option: 0: no parity, 1: odd parity, 2: even parity
252 252  )))
253 -|AT+STOPBIT|(((
244 +)))
245 +|(((
246 +AT+STOPBIT
247 +)))|(% style="width:285px" %)(((
248 +(((
254 254  Set serial stopbit (for RS485 connection)
250 +)))
255 255  
256 -Default Value is: 1bit.
257 -)))|(((
252 +(((
253 +
254 +)))
255 +)))|(% style="width:347px" %)(((
256 +(((
258 258  AT+STOPBIT=0 for 1bit
258 +)))
259 259  
260 +(((
260 260  AT+STOPBIT=1 for 1.5 bit
262 +)))
261 261  
264 +(((
262 262  AT+STOPBIT=2 for 2 bits
263 263  )))
267 +)))
264 264  
269 +=== 3.3.2 Configure sensors ===
265 265  
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 +)))
266 266  
267 -
268 -1.
269 -11.
270 -111. Configure sensors
271 -
272 -Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
273 -
274 -
275 -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.
276 -
277 -|**AT Commands**|**Description**|**Example**
278 -|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" %)(((
279 279  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
280 280  
281 -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,
282 282  
283 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
284 -)))|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
285 285  
286 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
287 +=== 3.3.3 Configure read commands for each sampling ===
287 287  
288 -
289 -
290 -
291 -
292 -1.
293 -11.
294 -111. Configure read commands for each sampling
295 -
289 +(((
296 296  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 +)))
297 297  
298 -
293 +(((
299 299  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 +)))
300 300  
301 -
297 +(((
302 302  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 +)))
303 303  
304 -
301 +(((
305 305  This section describes how to achieve above goals.
303 +)))
306 306  
307 -
305 +(((
308 308  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
307 +)))
309 309  
310 -
309 +(((
311 311  **Command from RS485-BL to Sensor:**
311 +)))
312 312  
313 +(((
313 313  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
315 +)))
314 314  
315 -
317 +(((
316 316  **Handle return from sensors to RS485-BL**:
319 +)))
317 317  
321 +(((
318 318  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 +)))
319 319  
325 +* (((
326 +**AT+DATACUT**
327 +)))
320 320  
321 -* **AT+DATACUT**
322 -
329 +(((
323 323  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 +)))
324 324  
333 +* (((
334 +**AT+SEARCH**
335 +)))
325 325  
326 -* **AT+SEARCH**
327 -
337 +(((
328 328  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 +)))
329 329  
330 -
341 +(((
331 331  **Define wait timeout:**
343 +)))
332 332  
345 +(((
333 333  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 +)))
334 334  
335 -
349 +(((
336 336  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
351 +)))
337 337  
338 -
339 339  **Examples:**
340 340  
341 341  Below are examples for the how above AT Commands works.
342 342  
343 -
344 344  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
345 345  
359 +(% border="1" class="table-bordered" %)
346 346  |(((
347 347  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
348 348  
... ... @@ -351,13 +351,19 @@
351 351  **m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
352 352  )))
353 353  
368 +(((
354 354  For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
370 +)))
355 355  
372 +(((
356 356  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
374 +)))
357 357  
358 -
376 +(((
359 359  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
378 +)))
360 360  
380 +(% border="1" class="table-bordered" %)
361 361  |(((
362 362  **AT+SEARCHx=aa,xx xx xx xx xx**
363 363  
... ... @@ -367,26 +367,24 @@
367 367  
368 368  )))
369 369  
370 -Examples:
390 +**Examples:**
371 371  
372 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
392 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
373 373  
374 374  If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
375 375  
376 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
396 +The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
377 377  
378 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
398 +[[image:1653269403619-508.png]]
379 379  
400 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
380 380  
381 -1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
382 -
383 383  If we set AT+SEARCH1=2, 1E 56 34+31 00 49
384 384  
385 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
404 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
386 386  
387 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
406 +[[image:1653269438444-278.png]]
388 388  
389 -
390 390  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
391 391  
392 392  |(((
... ... @@ -401,58 +401,63 @@
401 401  
402 402  * Grab bytes:
403 403  
404 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
422 +[[image:1653269551753-223.png||height="311" width="717"]]
405 405  
406 406  * Grab a section.
407 407  
408 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
426 +[[image:1653269568276-930.png||height="325" width="718"]]
409 409  
410 410  * Grab different sections.
411 411  
412 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
430 +[[image:1653269593172-426.png||height="303" width="725"]]
413 413  
432 +(% style="color:red" %)**Note:**
414 414  
415 -Note:
416 -
417 417  AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
418 418  
419 419  Example:
420 420  
421 -AT+COMMAND1=11 01 1E D0,0
438 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
422 422  
423 -AT+SEARCH1=1,1E 56 34
440 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
424 424  
425 -AT+DATACUT1=0,2,1~~5
442 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
426 426  
427 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
444 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
428 428  
429 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
446 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
430 430  
431 -Valid payload after DataCUT command: 2e 30 58 5f 36
448 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
432 432  
433 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
450 +[[image:1653269618463-608.png]]
434 434  
452 +=== 3.3.4 Compose the uplink payload ===
435 435  
436 -
437 -
438 -1.
439 -11.
440 -111. Compose the uplink payload
441 -
454 +(((
442 442  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.**
456 +)))
443 443  
458 +(((
459 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
460 +)))
444 444  
445 -**Examples: AT+DATAUP=0**
462 +(((
463 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
464 +)))
446 446  
447 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
448 -
466 +(((
449 449  Final Payload is
468 +)))
450 450  
451 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
470 +(((
471 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
472 +)))
452 452  
474 +(((
453 453  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
476 +)))
454 454  
455 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
478 +[[image:1653269759169-150.png]]
456 456  
457 457  
458 458  
... ... @@ -500,8 +500,8 @@
500 500  
501 501  
502 502  
503 -1.
504 -11.
526 +1.
527 +11.
505 505  111. Uplink on demand
506 506  
507 507  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.
... ... @@ -514,8 +514,8 @@
514 514  
515 515  
516 516  
517 -1.
518 -11.
540 +1.
541 +11.
519 519  111. Uplink on Interrupt
520 520  
521 521  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -529,7 +529,7 @@
529 529  AT+INTMOD=3  Interrupt trigger by rising edge.
530 530  
531 531  
532 -1.
555 +1.
533 533  11. Uplink Payload
534 534  
535 535  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
... ... @@ -591,15 +591,15 @@
591 591  
592 592  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
593 593  
594 -1.
595 -11.
617 +1.
618 +11.
596 596  111. Common Commands:
597 597  
598 598  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]]
599 599  
600 600  
601 -1.
602 -11.
624 +1.
625 +11.
603 603  111. Sensor related commands:
604 604  
605 605  ==== Choose Device Type (RS485 or TTL) ====
... ... @@ -905,13 +905,13 @@
905 905  
906 906  
907 907  
908 -1.
931 +1.
909 909  11. Buttons
910 910  
911 911  |**Button**|**Feature**
912 912  |**RST**|Reboot RS485-BL
913 913  
914 -1.
937 +1.
915 915  11. +3V3 Output
916 916  
917 917  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
... ... @@ -929,7 +929,7 @@
929 929  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
930 930  
931 931  
932 -1.
955 +1.
933 933  11. +5V Output
934 934  
935 935  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
... ... @@ -949,13 +949,13 @@
949 949  
950 950  
951 951  
952 -1.
975 +1.
953 953  11. LEDs
954 954  
955 955  |**LEDs**|**Feature**
956 956  |**LED1**|Blink when device transmit a packet.
957 957  
958 -1.
981 +1.
959 959  11. Switch Jumper
960 960  
961 961  |**Switch Jumper**|**Feature**
... ... @@ -1001,7 +1001,7 @@
1001 1001  
1002 1002  
1003 1003  
1004 -1.
1027 +1.
1005 1005  11. Common AT Command Sequence
1006 1006  111. Multi-channel ABP mode (Use with SX1301/LG308)
1007 1007  
... ... @@ -1020,8 +1020,8 @@
1020 1020  
1021 1021  ATZ
1022 1022  
1023 -1.
1024 -11.
1046 +1.
1047 +11.
1025 1025  111. Single-channel ABP mode (Use with LG01/LG02)
1026 1026  
1027 1027  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1096,7 +1096,7 @@
1096 1096  [[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]]
1097 1097  
1098 1098  
1099 -1.
1122 +1.
1100 1100  11. How to change the LoRa Frequency Bands/Region?
1101 1101  
1102 1102  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1103,7 +1103,7 @@
1103 1103  
1104 1104  
1105 1105  
1106 -1.
1129 +1.
1107 1107  11. How many RS485-Slave can RS485-BL connects?
1108 1108  
1109 1109  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]].
... ... @@ -1120,7 +1120,7 @@
1120 1120  
1121 1121  
1122 1122  
1123 -1.
1146 +1.
1124 1124  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1125 1125  
1126 1126  It might about the channels mapping. Please see for detail.
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