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Last modified by Xiaoling on 2025/04/23 15:56
From version 22.6
edited by Xiaoling
on 2022/05/23 09:17
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To version 4.2
edited by Xiaoling
on 2022/05/19 17:41
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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  
... ... @@ -14,44 +14,62 @@
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:**
42 42  
43 43  * STM32L072CZT6 MCU
44 -* SX1276/78 Wireless Chip 
60 +* SX1276/78 Wireless Chip
45 45  * Power Consumption (exclude RS485 device):
46 -** Idle: 32mA@12v
62 +** Idle: 6uA@3.3v
47 47  
48 -*
49 -** 20dB Transmit: 65mA@12v
64 +*
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  
... ... @@ -94,273 +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.
106 -
107 -v1.0: Release
121 +v1.4
108 108  )))
109 -)))
110 110  
111 -= 2. Power ON Device =
112 -
113 113  (((
114 -The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
125 +~1. Change Power IC to TPS22916
126 +)))
115 115  
116 -* Power Source VIN to RS485-LN VIN+
117 -* Power Source GND to RS485-LN VIN-
118 118  
119 119  (((
120 -Once there is power, the RS485-LN will be on.
130 +v1.3
121 121  )))
122 122  
123 -[[image:1653268091319-405.png]]
133 +(((
134 +~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
124 124  )))
125 125  
126 -= 3. Operation Mode =
127 127  
128 -== 3.1 How it works? ==
138 +(((
139 +v1.2
140 +)))
129 129  
130 130  (((
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.
143 +Release version ​​​​​
132 132  )))
133 133  
134 -== 3.2 Example to join LoRaWAN network ==
146 += 2. Pin mapping and Power ON Device =
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. 
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.
137 137  
138 -[[image:1653268155545-638.png||height="334" width="724"]]
150 +[[image:1652953055962-143.png||height="387" width="728"]]
139 139  
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:
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
142 142  
143 -485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
154 +The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
144 144  
145 -[[image:1653268227651-549.png||height="592" width="720"]]
146 146  
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 -)))
150 150  
151 -(((
152 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
153 -)))
158 +3. Operation Mode
159 +3.1 How it works?
154 154  
155 -(((
156 -Each RS485-LN is shipped with a sticker with unique device EUI:
157 -)))
158 -)))
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.
159 159  
160 -[[image:1652953462722-299.png]]
161 161  
162 -(((
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 +
164 164  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
165 -)))
166 166  
167 -(((
168 168  Add APP EUI in the application.
169 -)))
170 -)))
171 171  
172 -[[image:image-20220519174512-1.png]]
190 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
173 173  
174 -[[image:image-20220519174512-2.png||height="323" width="720"]]
192 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
175 175  
176 -[[image:image-20220519174512-3.png||height="556" width="724"]]
194 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
177 177  
178 -[[image:image-20220519174512-4.png]]
196 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
179 179  
180 -You can also choose to create the device manually.
181 181  
182 -[[image:1652953542269-423.png||height="710" width="723"]]
183 183  
184 -Add APP KEY and DEV EUI
185 185  
186 -[[image:1652953553383-907.png||height="514" width="724"]]
187 187  
188 188  
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 -)))
192 192  
193 -[[image:1652953568895-172.png||height="232" width="724"]]
194 194  
195 -== 3.3 Configure Commands to read data ==
196 196  
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 -)))
201 201  
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 -)))
206 206  
207 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
208 208  
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:
210 210  
211 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
210 +
211 +
212 +
213 +
214 +You can also choose to create the device manually.
215 +
212 212  |(((
213 -**AT Commands**
214 -)))|(% style="width:285px" %)(((
215 -**Description**
216 -)))|(% style="width:347px" %)(((
217 -**Example**
217 +
218 218  )))
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 -(((
219 +
220 +
221 +
222 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
223 +
224 +Add APP KEY and DEV EUI
225 +
226 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
227 +
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.
230 +
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
232 +
233 +
234 +
235 +
236 +1.
237 +11. Configure Commands to read data
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.
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.|(((
225 225  AT+BAUDR=9600
226 -)))
227 227  
228 -(((
229 229  Options: (1200,2400,4800,14400,19200,115200)
230 230  )))
231 -)))
232 -|(((
233 -AT+PARITY
234 -)))|(% style="width:285px" %)(((
267 +|AT+PARITY|(((
235 235  Set UART parity (for RS485 connection)
236 -)))|(% style="width:347px" %)(((
237 -(((
269 +
270 +Default Value is: no parity.
271 +)))|(((
238 238  AT+PARITY=0
239 -)))
240 240  
241 -(((
242 242  Option: 0: no parity, 1: odd parity, 2: even parity
243 243  )))
244 -)))
245 -|(((
246 -AT+STOPBIT
247 -)))|(% style="width:285px" %)(((
248 -(((
276 +|AT+STOPBIT|(((
249 249  Set serial stopbit (for RS485 connection)
250 -)))
251 251  
252 -(((
253 -
254 -)))
255 -)))|(% style="width:347px" %)(((
256 -(((
279 +Default Value is: 1bit.
280 +)))|(((
257 257  AT+STOPBIT=0 for 1bit
258 -)))
259 259  
260 -(((
261 261  AT+STOPBIT=1 for 1.5 bit
262 -)))
263 263  
264 -(((
265 265  AT+STOPBIT=2 for 2 bits
266 266  )))
267 -)))
268 268  
269 -=== 3.3.2 Configure sensors ===
270 270  
271 -(((
272 -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**.
273 -)))
274 274  
275 -(((
276 -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.
277 -)))
278 278  
279 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
280 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
281 -|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|(((
282 282  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
283 283  
284 -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
285 285  
286 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
287 -)))|(% 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
288 288  
289 289  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
290 290  
291 -=== 3.3.3 Configure read commands for each sampling ===
292 292  
293 -(((
313 +
314 +
315 +
316 +1.
317 +11.
318 +111. Configure read commands for each sampling
319 +
294 294  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.
295 -)))
296 296  
297 -(((
322 +
298 298  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.
299 -)))
300 300  
301 -(((
325 +
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.
303 -)))
304 304  
305 -(((
328 +
306 306  This section describes how to achieve above goals.
307 -)))
308 308  
309 -(((
331 +
310 310  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
311 -)))
312 312  
313 -(((
334 +
314 314  **Command from RS485-BL to Sensor:**
315 -)))
316 316  
317 -(((
318 318  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
319 -)))
320 320  
321 -(((
339 +
322 322  **Handle return from sensors to RS485-BL**:
323 -)))
324 324  
325 -(((
326 326  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**
327 -)))
328 328  
329 -* (((
330 -**AT+DATACUT**
331 -)))
332 332  
333 -(((
345 +* **AT+DATACUT**
346 +
334 334  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.
335 -)))
336 336  
337 -* (((
338 -**AT+SEARCH**
339 -)))
340 340  
341 -(((
350 +* **AT+SEARCH**
351 +
342 342  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.
343 -)))
344 344  
345 -(((
354 +
346 346  **Define wait timeout:**
347 -)))
348 348  
349 -(((
350 350  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
351 -)))
352 352  
353 -(((
359 +
354 354  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
355 -)))
356 356  
362 +
357 357  **Examples:**
358 358  
359 359  Below are examples for the how above AT Commands works.
360 360  
367 +
361 361  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
362 362  
363 -(% border="1" class="table-bordered" %)
364 364  |(((
365 365  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
366 366  
... ... @@ -373,9 +373,9 @@
373 373  
374 374  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
375 375  
382 +
376 376  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
377 377  
378 -(% border="1" class="table-bordered" %)
379 379  |(((
380 380  **AT+SEARCHx=aa,xx xx xx xx xx**
381 381  
... ... @@ -393,7 +393,7 @@
393 393  
394 394  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
395 395  
396 -[[image:1652954654347-831.png]]
402 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
397 397  
398 398  
399 399  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -412,7 +412,7 @@
412 412  
413 413  * **a: length for the return of AT+COMMAND**
414 414  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
415 -* **c: define the position for valid value.  **
421 +* **c: define the position for valid value. **
416 416  )))
417 417  
418 418  Examples:
... ... @@ -453,8 +453,8 @@
453 453  
454 454  
455 455  
456 -1.
457 -11.
462 +1.
463 +11.
458 458  111. Compose the uplink payload
459 459  
460 460  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.**
... ... @@ -518,8 +518,8 @@
518 518  
519 519  
520 520  
521 -1.
522 -11.
527 +1.
528 +11.
523 523  111. Uplink on demand
524 524  
525 525  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.
... ... @@ -532,8 +532,8 @@
532 532  
533 533  
534 534  
535 -1.
536 -11.
541 +1.
542 +11.
537 537  111. Uplink on Interrupt
538 538  
539 539  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -547,9 +547,10 @@
547 547  AT+INTMOD=3  Interrupt trigger by rising edge.
548 548  
549 549  
550 -1.
556 +1.
551 551  11. Uplink Payload
552 552  
559 +
553 553  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
554 554  |Value|(((
555 555  Battery(mV)
... ... @@ -598,7 +598,7 @@
598 598  
599 599  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
600 600  
601 -1.
608 +1.
602 602  11. Configure RS485-BL via AT or Downlink
603 603  
604 604  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -609,17 +609,20 @@
609 609  
610 610  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
611 611  
612 -1.
613 -11.
619 +
620 +1.
621 +11.
614 614  111. Common Commands:
615 615  
624 +
616 616  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]]
617 617  
618 618  
619 -1.
620 -11.
628 +1.
629 +11.
621 621  111. Sensor related commands:
622 622  
632 +
623 623  ==== Choose Device Type (RS485 or TTL) ====
624 624  
625 625  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -660,6 +660,7 @@
660 660  * XX XX XX XX: RS485 command total NN bytes
661 661  * 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
662 662  
673 +
663 663  **Example 1:**
664 664  
665 665  To connect a Modbus Alarm with below commands.
... ... @@ -768,6 +768,7 @@
768 768  
769 769  * AT+MBFUN=0: Disable Modbus fast reading.
770 770  
782 +
771 771  Example:
772 772  
773 773  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -852,7 +852,7 @@
852 852  
853 853  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
854 854  
855 -Example screen shot after clear all RS485 commands. 
867 +Example screen shot after clear all RS485 commands.
856 856  
857 857  
858 858  
... ... @@ -896,6 +896,7 @@
896 896  * A7 01 00 60   same as AT+BAUDR=9600
897 897  * A7 01 04 80  same as AT+BAUDR=115200
898 898  
911 +
899 899  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
900 900  
901 901  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -923,18 +923,20 @@
923 923  
924 924  
925 925  
926 -1.
939 +1.
927 927  11. Buttons
928 928  
942 +
929 929  |**Button**|**Feature**
930 930  |**RST**|Reboot RS485-BL
931 931  
932 -1.
946 +
947 +1.
933 933  11. +3V3 Output
934 934  
935 935  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
936 936  
937 -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.
938 938  
939 939  
940 940  The +3V3 output time can be controlled by AT Command.
... ... @@ -947,12 +947,12 @@
947 947  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
948 948  
949 949  
950 -1.
965 +1.
951 951  11. +5V Output
952 952  
953 953  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
954 954  
955 -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.
956 956  
957 957  
958 958  The 5V output time can be controlled by AT Command.
... ... @@ -967,13 +967,14 @@
967 967  
968 968  
969 969  
970 -1.
985 +1.
971 971  11. LEDs
972 972  
973 973  |**LEDs**|**Feature**
974 974  |**LED1**|Blink when device transmit a packet.
975 975  
976 -1.
991 +
992 +1.
977 977  11. Switch Jumper
978 978  
979 979  |**Switch Jumper**|**Feature**
... ... @@ -994,6 +994,7 @@
994 994  
995 995  1. Case Study
996 996  
1013 +
997 997  User can check this URL for some case studies.
998 998  
999 999  [[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]]
... ... @@ -1019,7 +1019,7 @@
1019 1019  
1020 1020  
1021 1021  
1022 -1.
1039 +1.
1023 1023  11. Common AT Command Sequence
1024 1024  111. Multi-channel ABP mode (Use with SX1301/LG308)
1025 1025  
... ... @@ -1038,8 +1038,8 @@
1038 1038  
1039 1039  ATZ
1040 1040  
1041 -1.
1042 -11.
1058 +1.
1059 +11.
1043 1043  111. Single-channel ABP mode (Use with LG01/LG02)
1044 1044  
1045 1045  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1081,6 +1081,7 @@
1081 1081  * For bug fix
1082 1082  * Change LoRaWAN bands.
1083 1083  
1101 +
1084 1084  Below shows the hardware connection for how to upload an image to RS485-BL:
1085 1085  
1086 1086  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1114,7 +1114,7 @@
1114 1114  [[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]]
1115 1115  
1116 1116  
1117 -1.
1135 +1.
1118 1118  11. How to change the LoRa Frequency Bands/Region?
1119 1119  
1120 1120  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1121,9 +1121,10 @@
1121 1121  
1122 1122  
1123 1123  
1124 -1.
1142 +1.
1125 1125  11. How many RS485-Slave can RS485-BL connects?
1126 1126  
1145 +
1127 1127  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]].
1128 1128  
1129 1129  
... ... @@ -1134,11 +1134,11 @@
1134 1134  
1135 1135  Please see this link for debug:
1136 1136  
1137 -[[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]]
1138 1138  
1139 1139  
1140 1140  
1141 -1.
1160 +1.
1142 1142  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1143 1143  
1144 1144  It might about the channels mapping. Please see for detail.
... ... @@ -1149,6 +1149,7 @@
1149 1149  
1150 1150  1. Order Info
1151 1151  
1171 +
1152 1152  **Part Number: RS485-BL-XXX**
1153 1153  
1154 1154  **XXX:**
... ... @@ -1164,6 +1164,7 @@
1164 1164  * **RU864**: frequency bands RU864
1165 1165  * **KZ865: **frequency bands KZ865
1166 1166  
1187 +
1167 1167  1. Packing Info
1168 1168  
1169 1169  **Package Includes**:
... ... @@ -1172,6 +1172,7 @@
1172 1172  * Stick Antenna for LoRa RF part x 1
1173 1173  * Program cable x 1
1174 1174  
1196 +
1175 1175  **Dimension and weight**:
1176 1176  
1177 1177  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1179,6 +1179,7 @@
1179 1179  * Package Size / pcs : 14.5 x 8 x 5 cm
1180 1180  * Weight / pcs : 170g
1181 1181  
1204 +
1182 1182  1. Support
1183 1183  
1184 1184  * 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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