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Last modified by Xiaoling on 2025/04/23 15:56
From version 22.4
edited by Xiaoling
on 2022/05/23 09:15
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To version 3.2
edited by Xiaoling
on 2022/05/19 17:30
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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  
... ... @@ -14,45 +14,65 @@
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  
67 +
51 51  **Interface for Model:**
52 52  
53 -* RS485
54 -* Power Input 7~~ 24V DC. 
70 +* 1 x RS485 Interface
71 +* 1 x TTL Serial , 3.3v or 5v.
72 +* 1 x I2C Interface, 3.3v or 5v.
73 +* 1 x one wire interface
74 +* 1 x Interrupt Interface
75 +* 1 x Controllable 5V output, max
55 55  
77 +
56 56  **LoRa Spec:**
57 57  
58 58  * Frequency Range:
... ... @@ -60,33 +60,32 @@
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.
90 +* LoRa modulation.
71 71  * Built-in bit synchronizer for clock recovery.
72 72  * Preamble detection.
73 73  * 127 dB Dynamic Range RSSI.
74 74  * Automatic RF Sense and CAD with ultra-fast AFC.
75 -* Packet engine up to 256 bytes with CRC.
76 76  
77 -== 1.3 Features ==
78 78  
79 -* LoRaWAN Class A & Class C protocol (default Class C)
97 +*
98 +*1. Features
99 +* 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
102 +* 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)
106 +* Support Interrupt uplink
87 87  
88 -== 1.4 Applications ==
89 89  
109 +*
110 +*1. Applications
90 90  * Smart Buildings & Home Automation
91 91  * Logistics and Supply Chain Management
92 92  * Smart Metering
... ... @@ -94,289 +94,263 @@
94 94  * Smart Cities
95 95  * Smart Factory
96 96  
97 -== 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/]]
119 +1.
120 +11. Firmware Change log
100 100  
101 -== 1.6 Hardware Change log ==
122 +[[RS485-BL Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/RS485-BL/Firmware/]]
102 102  
103 -(((
104 -(((
105 -v1.2: Add External Interrupt Pin.
106 106  
107 -v1.0: Release
108 -)))
109 -)))
125 +1.
126 +11. Hardware Change log
110 110  
111 -= 2. Power ON Device =
112 112  
113 -(((
114 -The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
129 +v1.4
115 115  
116 -* Power Source VIN to RS485-LN VIN+
117 -* Power Source GND to RS485-LN VIN-
131 +~1. Change Power IC to TPS22916
118 118  
119 -(((
120 -Once there is power, the RS485-LN will be on.
121 -)))
122 122  
123 -[[image:1653268091319-405.png]]
124 -)))
134 +v1.3
125 125  
126 -= 3. Operation Mode =
136 +~1. Change JP3 from KF350-8P to KF350-11P, Add one extra interface for I2C and one extra interface for one-wire
127 127  
128 -== 3.1 How it works? ==
129 129  
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.
132 -)))
139 +v1.2
133 133  
134 -== 3.2 Example to join LoRaWAN network ==
141 +Release version
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. 
137 137  
138 -[[image:1653268155545-638.png||height="334" width="724"]]
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:
142 142  
143 -485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
144 144  
145 -[[image:1653268227651-549.png||height="592" width="720"]]
147 +1. Pin mapping and Power ON Device
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 -)))
149 +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.
150 150  
151 -(((
152 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
153 -)))
154 154  
155 -(((
156 -Each RS485-LN is shipped with a sticker with unique device EUI:
157 -)))
158 -)))
152 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
159 159  
160 -[[image:1652953462722-299.png]]
161 161  
162 -(((
163 -(((
155 +
156 +The Left TXD and RXD are TTL interface for external sensor. TTL level is controlled by 3.3/5v Jumper.
157 +
158 +
159 +
160 +
161 +
162 +
163 +1. Operation Mode
164 +11. How it works?
165 +
166 +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.
167 +
168 +
169 +1.
170 +11. Example to join LoRaWAN network
171 +
172 +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.
173 +
174 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
175 +
176 +
177 +The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
178 +
179 +
180 +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:
181 +
182 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
183 +
184 +Each RS485-BL is shipped with a sticker with unique device EUI:
185 +
186 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
187 +
188 +
189 +
190 +
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]]
195 +[[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"]]
197 +[[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"]]
199 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
177 177  
178 -[[image:image-20220519174512-4.png]]
201 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
179 179  
203 +
204 +
205 +
206 +
207 +
208 +
209 +
210 +
211 +
212 +
213 +
214 +
215 +
216 +
217 +
218 +
180 180  You can also choose to create the device manually.
181 181  
182 -[[image:1652953542269-423.png||height="710" width="723"]]
221 +|(((
222 +
223 +)))
183 183  
225 +
226 +
227 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
228 +
184 184  Add APP KEY and DEV EUI
185 185  
186 -[[image:1652953553383-907.png||height="514" width="724"]]
231 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
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 -)))
234 +**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.
192 192  
193 -[[image:1652953568895-172.png||height="232" width="724"]]
236 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
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 ===
241 +1.
242 +11. Configure Commands to read data
208 208  
244 +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.
245 +
246 +
247 +1.
248 +11.
249 +111. Configure UART settings for RS485 or TTL communication
250 +
209 209  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
210 210  
211 -**~1. RS485-MODBUS mode:**
253 +1. RS485-MODBUS mode:
212 212  
213 213  AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
214 214  
215 -**2. TTL mode:**
216 216  
258 +1. TTL mode:
259 +
217 217  AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
218 218  
262 +
219 219  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.
220 220  
221 -(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
222 -|(((
223 -**AT Commands**
224 -)))|(% style="width:285px" %)(((
225 -**Description**
226 -)))|(% style="width:347px" %)(((
227 -**Example**
228 -)))
229 -|(((
230 -AT+BAUDR
231 -)))|(% style="width:285px" %)(((
232 -Set the baud rate (for RS485 connection). Default Value is: 9600.
233 -)))|(% style="width:347px" %)(((
234 -(((
265 +
266 +|**AT Commands**|**Description**|**Example**
267 +|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
235 235  AT+BAUDR=9600
236 -)))
237 237  
238 -(((
239 239  Options: (1200,2400,4800,14400,19200,115200)
240 240  )))
241 -)))
242 -|(((
243 -AT+PARITY
244 -)))|(% style="width:285px" %)(((
245 -(((
272 +|AT+PARITY|(((
246 246  Set UART parity (for RS485 connection)
247 -)))
248 248  
249 -(((
250 250  Default Value is: no parity.
251 -)))
252 -)))|(% style="width:347px" %)(((
253 -(((
276 +)))|(((
254 254  AT+PARITY=0
255 -)))
256 256  
257 -(((
258 258  Option: 0: no parity, 1: odd parity, 2: even parity
259 259  )))
260 -)))
261 -|(((
262 -AT+STOPBIT
263 -)))|(% style="width:285px" %)(((
264 -(((
281 +|AT+STOPBIT|(((
265 265  Set serial stopbit (for RS485 connection)
266 -)))
267 267  
268 -(((
269 269  Default Value is: 1bit.
270 -)))
271 -)))|(% style="width:347px" %)(((
272 -(((
285 +)))|(((
273 273  AT+STOPBIT=0 for 1bit
274 -)))
275 275  
276 -(((
277 277  AT+STOPBIT=1 for 1.5 bit
278 -)))
279 279  
280 -(((
281 281  AT+STOPBIT=2 for 2 bits
282 282  )))
283 -)))
284 284  
285 -=== 3.3.2 Configure sensors ===
286 286  
287 -(((
288 -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**.
289 -)))
290 290  
291 -(((
292 -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.
293 -)))
294 294  
295 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
296 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
297 -|AT+CFGDEV|(% style="width:418px" %)(((
296 +
297 +1.
298 +11.
299 +111. Configure sensors
300 +
301 +Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
302 +
303 +
304 +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.
305 +
306 +|**AT Commands**|**Description**|**Example**
307 +|AT+CFGDEV|(((
298 298  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
299 299  
300 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
310 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
301 301  
302 -mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
303 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
312 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
313 +)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
304 304  
305 305  Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
306 306  
307 -=== 3.3.3 Configure read commands for each sampling ===
308 308  
309 -(((
318 +
319 +
320 +
321 +1.
322 +11.
323 +111. Configure read commands for each sampling
324 +
310 310  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.
311 -)))
312 312  
313 -(((
327 +
314 314  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.
315 -)))
316 316  
317 -(((
330 +
318 318  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
319 -)))
320 320  
321 -(((
333 +
322 322  This section describes how to achieve above goals.
323 -)))
324 324  
325 -(((
336 +
326 326  During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
327 -)))
328 328  
329 -(((
339 +
330 330  **Command from RS485-BL to Sensor:**
331 -)))
332 332  
333 -(((
334 334  RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
335 -)))
336 336  
337 -(((
344 +
338 338  **Handle return from sensors to RS485-BL**:
339 -)))
340 340  
341 -(((
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**
343 -)))
344 344  
345 -* (((
346 -**AT+DATACUT**
347 -)))
348 348  
349 -(((
350 +* **AT+DATACUT**
351 +
350 350  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.
351 -)))
352 352  
353 -* (((
354 -**AT+SEARCH**
355 -)))
356 356  
357 -(((
355 +* **AT+SEARCH**
356 +
358 358  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.
359 -)))
360 360  
361 -(((
359 +
362 362  **Define wait timeout:**
363 -)))
364 364  
365 -(((
366 366  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
367 -)))
368 368  
369 -(((
364 +
370 370  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
371 -)))
372 372  
367 +
373 373  **Examples:**
374 374  
375 375  Below are examples for the how above AT Commands works.
376 376  
372 +
377 377  **AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
378 378  
379 -(% border="1" class="table-bordered" %)
380 380  |(((
381 381  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
382 382  
... ... @@ -389,9 +389,9 @@
389 389  
390 390  In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
391 391  
387 +
392 392  **AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
393 393  
394 -(% border="1" class="table-bordered" %)
395 395  |(((
396 396  **AT+SEARCHx=aa,xx xx xx xx xx**
397 397  
... ... @@ -409,7 +409,7 @@
409 409  
410 410  The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
411 411  
412 -[[image:1652954654347-831.png]]
407 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
413 413  
414 414  
415 415  1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
... ... @@ -428,7 +428,7 @@
428 428  
429 429  * **a: length for the return of AT+COMMAND**
430 430  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
431 -* **c: define the position for valid value.  **
426 +* **c: define the position for valid value. **
432 432  )))
433 433  
434 434  Examples:
... ... @@ -469,8 +469,8 @@
469 469  
470 470  
471 471  
472 -1.
473 -11.
467 +1.
468 +11.
474 474  111. Compose the uplink payload
475 475  
476 476  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.**
... ... @@ -534,8 +534,8 @@
534 534  
535 535  
536 536  
537 -1.
538 -11.
532 +1.
533 +11.
539 539  111. Uplink on demand
540 540  
541 541  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.
... ... @@ -548,8 +548,8 @@
548 548  
549 549  
550 550  
551 -1.
552 -11.
546 +1.
547 +11.
553 553  111. Uplink on Interrupt
554 554  
555 555  Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
... ... @@ -563,9 +563,10 @@
563 563  AT+INTMOD=3  Interrupt trigger by rising edge.
564 564  
565 565  
566 -1.
561 +1.
567 567  11. Uplink Payload
568 568  
564 +
569 569  |**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
570 570  |Value|(((
571 571  Battery(mV)
... ... @@ -614,7 +614,7 @@
614 614  
615 615  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
616 616  
617 -1.
613 +1.
618 618  11. Configure RS485-BL via AT or Downlink
619 619  
620 620  User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
... ... @@ -625,17 +625,20 @@
625 625  
626 626  * **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
627 627  
628 -1.
629 -11.
624 +
625 +1.
626 +11.
630 630  111. Common Commands:
631 631  
629 +
632 632  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]]
633 633  
634 634  
635 -1.
636 -11.
633 +1.
634 +11.
637 637  111. Sensor related commands:
638 638  
637 +
639 639  ==== Choose Device Type (RS485 or TTL) ====
640 640  
641 641  RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
... ... @@ -676,6 +676,7 @@
676 676  * XX XX XX XX: RS485 command total NN bytes
677 677  * 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
678 678  
678 +
679 679  **Example 1:**
680 680  
681 681  To connect a Modbus Alarm with below commands.
... ... @@ -784,6 +784,7 @@
784 784  
785 785  * AT+MBFUN=0: Disable Modbus fast reading.
786 786  
787 +
787 787  Example:
788 788  
789 789  * AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
... ... @@ -868,7 +868,7 @@
868 868  
869 869  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
870 870  
871 -Example screen shot after clear all RS485 commands. 
872 +Example screen shot after clear all RS485 commands.
872 872  
873 873  
874 874  
... ... @@ -912,6 +912,7 @@
912 912  * A7 01 00 60   same as AT+BAUDR=9600
913 913  * A7 01 04 80  same as AT+BAUDR=115200
914 914  
916 +
915 915  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
916 916  
917 917  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
... ... @@ -939,18 +939,20 @@
939 939  
940 940  
941 941  
942 -1.
944 +1.
943 943  11. Buttons
944 944  
947 +
945 945  |**Button**|**Feature**
946 946  |**RST**|Reboot RS485-BL
947 947  
948 -1.
951 +
952 +1.
949 949  11. +3V3 Output
950 950  
951 951  RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
952 952  
953 -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. 
957 +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.
954 954  
955 955  
956 956  The +3V3 output time can be controlled by AT Command.
... ... @@ -963,12 +963,12 @@
963 963  By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
964 964  
965 965  
966 -1.
970 +1.
967 967  11. +5V Output
968 968  
969 969  RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
970 970  
971 -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. 
975 +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.
972 972  
973 973  
974 974  The 5V output time can be controlled by AT Command.
... ... @@ -983,13 +983,14 @@
983 983  
984 984  
985 985  
986 -1.
990 +1.
987 987  11. LEDs
988 988  
989 989  |**LEDs**|**Feature**
990 990  |**LED1**|Blink when device transmit a packet.
991 991  
992 -1.
996 +
997 +1.
993 993  11. Switch Jumper
994 994  
995 995  |**Switch Jumper**|**Feature**
... ... @@ -1010,6 +1010,7 @@
1010 1010  
1011 1011  1. Case Study
1012 1012  
1018 +
1013 1013  User can check this URL for some case studies.
1014 1014  
1015 1015  [[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]]
... ... @@ -1035,7 +1035,7 @@
1035 1035  
1036 1036  
1037 1037  
1038 -1.
1044 +1.
1039 1039  11. Common AT Command Sequence
1040 1040  111. Multi-channel ABP mode (Use with SX1301/LG308)
1041 1041  
... ... @@ -1054,8 +1054,8 @@
1054 1054  
1055 1055  ATZ
1056 1056  
1057 -1.
1058 -11.
1063 +1.
1064 +11.
1059 1059  111. Single-channel ABP mode (Use with LG01/LG02)
1060 1060  
1061 1061  AT+FDR   Reset Parameters to Factory Default, Keys Reserve
... ... @@ -1097,6 +1097,7 @@
1097 1097  * For bug fix
1098 1098  * Change LoRaWAN bands.
1099 1099  
1106 +
1100 1100  Below shows the hardware connection for how to upload an image to RS485-BL:
1101 1101  
1102 1102  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
... ... @@ -1130,7 +1130,7 @@
1130 1130  [[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]]
1131 1131  
1132 1132  
1133 -1.
1140 +1.
1134 1134  11. How to change the LoRa Frequency Bands/Region?
1135 1135  
1136 1136  User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
... ... @@ -1137,9 +1137,10 @@
1137 1137  
1138 1138  
1139 1139  
1140 -1.
1147 +1.
1141 1141  11. How many RS485-Slave can RS485-BL connects?
1142 1142  
1150 +
1143 1143  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]].
1144 1144  
1145 1145  
... ... @@ -1150,11 +1150,11 @@
1150 1150  
1151 1151  Please see this link for debug:
1152 1152  
1153 -[[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]] 
1161 +[[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]]
1154 1154  
1155 1155  
1156 1156  
1157 -1.
1165 +1.
1158 1158  11. Why I can’t join TTN V3 in US915 /AU915 bands?
1159 1159  
1160 1160  It might about the channels mapping. Please see for detail.
... ... @@ -1165,6 +1165,7 @@
1165 1165  
1166 1166  1. Order Info
1167 1167  
1176 +
1168 1168  **Part Number: RS485-BL-XXX**
1169 1169  
1170 1170  **XXX:**
... ... @@ -1180,6 +1180,7 @@
1180 1180  * **RU864**: frequency bands RU864
1181 1181  * **KZ865: **frequency bands KZ865
1182 1182  
1192 +
1183 1183  1. Packing Info
1184 1184  
1185 1185  **Package Includes**:
... ... @@ -1188,6 +1188,7 @@
1188 1188  * Stick Antenna for LoRa RF part x 1
1189 1189  * Program cable x 1
1190 1190  
1201 +
1191 1191  **Dimension and weight**:
1192 1192  
1193 1193  * Device Size: 13.5 x 7 x 3 cm
... ... @@ -1195,6 +1195,7 @@
1195 1195  * Package Size / pcs : 14.5 x 8 x 5 cm
1196 1196  * Weight / pcs : 170g
1197 1197  
1209 +
1198 1198  1. Support
1199 1199  
1200 1200  * 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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