Last modified by Mengting Qiu on 2025/07/14 09:59

From version 15.3
edited by Xiaoling
on 2022/05/19 17:47
Change comment: There is no comment for this version
To version 57.34
edited by Xiaoling
on 2022/06/06 09:31
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
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1 -RS485-BL – Waterproof RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
... ... @@ -1,76 +1,65 @@
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 9  
10 +
10 10  **Table of Contents:**
11 11  
13 +{{toc/}}
12 12  
13 13  
14 14  
15 15  
18 +
19 +
20 +
16 16  = 1.Introduction =
17 17  
18 -== 1.1 What is RS485-BL RS485 to LoRaWAN Converter ==
23 +== 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.
27 +The Dragino RS485-LN is a (% style="color:blue" %)**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.
31 +RS485-LN allows user to (% style="color:blue" %)**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.
35 +(% style="color:blue" %)**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.
38 -)))
39 +(% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
39 39  
40 -(((
41 -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.
41 +(% style="color:blue" %)**Demo Dashboard for RS485-LN**(%%) connect to two energy meters: [[https:~~/~~/app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a>>url:https://app.datacake.de/dashboard/d/58844a26-378d-4c5a-aaf5-b5b5b153447a]]
42 42  )))
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 46  )))
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 -)))
45 +[[image:1653267211009-519.png||height="419" width="724"]]
51 51  
52 -[[image:1652953304999-717.png||height="424" width="733"]]
53 53  
54 54  == 1.2 Specifications ==
55 55  
50 +
56 56  **Hardware System:**
57 57  
58 58  * STM32L072CZT6 MCU
59 59  * SX1276/78 Wireless Chip 
60 60  * Power Consumption (exclude RS485 device):
61 -** Idle: 6uA@3.3v
56 +** Idle: 32mA@12v
57 +** 20dB Transmit: 65mA@12v
62 62  
63 -*
64 -** 20dB Transmit: 130mA@3.3v
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
61 +* RS485
62 +* 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.
71 +* +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.
76 +* 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.
78 +* 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. ​​​
82 +* Automatic RF Sense and CAD with ultra-fast AFC.
83 +* 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)
87 +* 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
90 +* 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
94 +* Support Interrupt uplink (Since hardware version v1.2)
103 103  
104 104  == 1.4 Applications ==
105 105  
... ... @@ -112,53 +112,46 @@
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);"]]
107 +[[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
116 116  
109 +
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 -)))
114 +v1.2: Add External Interrupt Pin.
126 126  
116 +v1.0: Release
127 127  
128 -(((
129 -v1.3
118 +
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  
122 += 2. Power ON Device =
136 136  
137 137  (((
138 -v1.2
139 -)))
125 +The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
140 140  
127 +* Power Source VIN to RS485-LN VIN+
128 +* Power Source GND to RS485-LN VIN-
129 +
141 141  (((
142 -Release version ​​​​​
131 +Once there is power, the RS485-LN will be on.
143 143  )))
144 144  
145 -= 2. Pin mapping and Power ON Device =
134 +[[image:1653268091319-405.png]]
146 146  
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.
136 +
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.
144 +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.
145 +
146 +
162 162  )))
163 163  
164 164  == 3.2 Example to join LoRaWAN network ==
... ... @@ -165,27 +165,37 @@
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"]]
153 +[[image:1653268155545-638.png||height="334" width="724"]]
169 169  
155 +
170 170  (((
171 -The RS485-BL in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method.
157 +(((
158 +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:
172 172  )))
173 173  
174 174  (((
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:
162 +485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
176 176  )))
177 177  
165 +[[image:1653268227651-549.png||height="592" width="720"]]
166 +
178 178  (((
179 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-BL.
168 +The LG308 is already set to connect to [[TTN V3 network >>path:https://www.thethingsnetwork.org/]]. So what we need to now is only configure the TTN V3:
180 180  )))
181 181  
182 182  (((
183 -Each RS485-BL is shipped with a sticker with unique device EUI:
172 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
184 184  )))
185 185  
175 +(((
176 +Each RS485-LN is shipped with a sticker with unique device EUI:
177 +)))
178 +)))
179 +
186 186  [[image:1652953462722-299.png]]
187 187  
188 188  (((
183 +(((
189 189  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
190 190  )))
191 191  
... ... @@ -192,13 +192,11 @@
192 192  (((
193 193  Add APP EUI in the application.
194 194  )))
190 +)))
195 195  
196 -
197 -
198 -
199 199  [[image:image-20220519174512-1.png]]
200 200  
201 -[[image:image-20220519174512-2.png||height="328" width="731"]]
194 +[[image:image-20220519174512-2.png||height="323" width="720"]]
202 202  
203 203  [[image:image-20220519174512-3.png||height="556" width="724"]]
204 204  
... ... @@ -214,148 +214,137 @@
214 214  
215 215  
216 216  (((
217 -**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.
210 +**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.
218 218  )))
219 219  
220 220  [[image:1652953568895-172.png||height="232" width="724"]]
221 221  
222 222  
216 +== 3.3 Configure Commands to read data ==
223 223  
218 +(((
219 +(((
220 +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>>||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
221 +)))
224 224  
225 -1.
226 -11. Configure Commands to read data
223 +(((
224 +(% 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
227 227  
228 -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.
226 +
227 +)))
228 +)))
229 229  
230 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
230 230  
231 -1.
232 -11.
233 -111. Configure UART settings for RS485 or TTL communication
232 +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:
234 234  
235 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
236 -
237 -1. RS485-MODBUS mode:
238 -
239 -AT+MOD=1 ~/~/ Support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
240 -
241 -
242 -1. TTL mode:
243 -
244 -AT+MOD=2 ~/~/ Support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
245 -
246 -
247 -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.
248 -
249 -
250 -|**AT Commands**|**Description**|**Example**
251 -|AT+BAUDR|Set the baud rate (for RS485 connection). Default Value is: 9600.|(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
236 +**AT Commands**
237 +)))|(% style="width:305px" %)(((
238 +**Description**
239 +)))|(% style="width:346px" %)(((
240 +**Example**
241 +)))
242 +|(% style="width:128px" %)(((
243 +AT+BAUDR
244 +)))|(% style="width:305px" %)(((
245 +Set the baud rate (for RS485 connection). Default Value is: 9600.
246 +)))|(% style="width:346px" %)(((
247 +(((
252 252  AT+BAUDR=9600
249 +)))
253 253  
251 +(((
254 254  Options: (1200,2400,4800,14400,19200,115200)
255 255  )))
256 -|AT+PARITY|(((
254 +)))
255 +|(% style="width:128px" %)(((
256 +AT+PARITY
257 +)))|(% style="width:305px" %)(((
257 257  Set UART parity (for RS485 connection)
258 -
259 -Default Value is: no parity.
260 -)))|(((
259 +)))|(% style="width:346px" %)(((
260 +(((
261 261  AT+PARITY=0
262 +)))
262 262  
264 +(((
263 263  Option: 0: no parity, 1: odd parity, 2: even parity
264 264  )))
265 -|AT+STOPBIT|(((
267 +)))
268 +|(% style="width:128px" %)(((
269 +AT+STOPBIT
270 +)))|(% style="width:305px" %)(((
271 +(((
266 266  Set serial stopbit (for RS485 connection)
273 +)))
267 267  
268 -Default Value is: 1bit.
269 -)))|(((
275 +(((
276 +
277 +)))
278 +)))|(% style="width:346px" %)(((
279 +(((
270 270  AT+STOPBIT=0 for 1bit
281 +)))
271 271  
283 +(((
272 272  AT+STOPBIT=1 for 1.5 bit
285 +)))
273 273  
287 +(((
274 274  AT+STOPBIT=2 for 2 bits
275 275  )))
290 +)))
276 276  
292 +=== 3.3.2 Configure sensors ===
277 277  
294 +(((
295 +(((
296 +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.
297 +)))
298 +)))
278 278  
279 -
280 -1.
281 -11.
282 -111. Configure sensors
283 -
284 -Some sensors might need to configure before normal operation. User can configure such sensor via PC or through RS485-BL AT Commands AT+CFGDEV.
285 -
286 -
287 -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.
288 -
289 -|**AT Commands**|**Description**|**Example**
290 -|AT+CFGDEV|(((
300 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302 +|AT+CFGDEV|(% style="width:418px" %)(((
291 291  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
292 292  
293 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
305 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
294 294  
295 -m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
296 -)))|AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 +mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
297 297  
298 -Detail of AT+CFGDEV command see [[AT+CFGDEV detail>>path:#AT_CFGDEV]].
310 +=== 3.3.3 Configure read commands for each sampling ===
299 299  
312 +(((
313 +During each sampling, we need confirm what commands we need to send to the RS485 sensors to read data. After the RS485 sensors send back the value, it normally include some bytes and we only need a few from them for a shorten payload.
300 300  
301 -
302 -
303 -
304 -1.
305 -11.
306 -111. Configure read commands for each sampling
307 -
308 -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.
309 -
310 -
311 -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.
312 -
313 -
314 314  To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
315 315  
316 -
317 317  This section describes how to achieve above goals.
318 318  
319 +During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
319 319  
320 -During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
321 321  
322 +**Each RS485 commands include two parts:**
322 322  
323 -**Command from RS485-BL to Sensor:**
324 +~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
324 324  
325 -RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
326 +2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
326 326  
328 +3. 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
327 327  
328 -**Handle return from sensors to RS485-BL**:
329 329  
330 -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**
331 -
332 -
333 -* **AT+DATACUT**
334 -
335 -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.
336 -
337 -
338 -* **AT+SEARCH**
339 -
340 -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.
341 -
342 -
343 -**Define wait timeout:**
344 -
345 -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
346 -
347 -
348 348  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
349 349  
350 350  
351 -**Examples:**
352 -
353 353  Below are examples for the how above AT Commands works.
354 354  
355 355  
356 -**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
337 +**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
357 357  
358 -|(((
339 +(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
340 +|(% style="width:496px" %)(((
359 359  **AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
360 360  
361 361  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
... ... @@ -365,43 +365,13 @@
365 365  
366 366  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.
367 367  
368 -In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
350 +In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
369 369  
370 370  
371 -**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
372 -
373 -|(((
374 -**AT+SEARCHx=aa,xx xx xx xx xx**
375 -
376 -* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
377 -* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
378 -
379 -
380 -)))
381 -
382 -Examples:
383 -
384 -1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
385 -
386 -If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
387 -
388 -The valid data will be all bytes after 1E 56 34 , so it is 2e 30 58 5f 36 41 30 31 00 49
389 -
390 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
391 -
392 -
393 -1. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
394 -
395 -If we set AT+SEARCH1=2, 1E 56 34+31 00 49
396 -
397 -Device will search the bytes between 1E 56 34 and 31 00 49. So it is 2e 30 58 5f 36 41 30
398 -
399 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
400 -
401 -
402 402  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
403 403  
404 -|(((
355 +(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 +|(% style="width:722px" %)(((
405 405  **AT+DATACUTx=a,b,c**
406 406  
407 407  * **a: length for the return of AT+COMMAND**
... ... @@ -409,242 +409,184 @@
409 409  * **c: define the position for valid value.  **
410 410  )))
411 411  
412 -Examples:
364 +**Examples:**
413 413  
414 414  * Grab bytes:
415 415  
416 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
368 +[[image:image-20220602153621-1.png]]
417 417  
370 +
418 418  * Grab a section.
419 419  
420 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
373 +[[image:image-20220602153621-2.png]]
421 421  
375 +
422 422  * Grab different sections.
423 423  
424 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
378 +[[image:image-20220602153621-3.png]]
425 425  
380 +
381 +)))
426 426  
427 -Note:
383 +=== 3.3.4 Compose the uplink payload ===
428 428  
429 -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.
430 -
431 -Example:
432 -
433 -AT+COMMAND1=11 01 1E D0,0
434 -
435 -AT+SEARCH1=1,1E 56 34
436 -
437 -AT+DATACUT1=0,2,1~~5
438 -
439 -Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
440 -
441 -String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
442 -
443 -Valid payload after DataCUT command: 2e 30 58 5f 36
444 -
445 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
446 -
447 -
448 -
449 -
450 -1.
451 -11.
452 -111. Compose the uplink payload
453 -
385 +(((
454 454  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.**
455 455  
388 +
389 +)))
456 456  
457 -**Examples: AT+DATAUP=0**
391 +(((
392 +(% style="color:#037691" %)**Examples: AT+DATAUP=0**
458 458  
459 -Compose the uplink payload with value returns in sequence and send with **A SIGNLE UPLINK**.
394 +
395 +)))
460 460  
397 +(((
398 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
399 +)))
400 +
401 +(((
461 461  Final Payload is
403 +)))
462 462  
463 -Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx
405 +(((
406 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
407 +)))
464 464  
409 +(((
465 465  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
411 +)))
466 466  
467 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
413 +[[image:1653269759169-150.png||height="513" width="716"]]
468 468  
469 469  
416 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
470 470  
471 -**Examples: AT+DATAUP=1**
472 472  
473 -Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
419 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
474 474  
475 475  Final Payload is
476 476  
477 -Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
423 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
478 478  
479 -1. Battery Info (2 bytes): Battery voltage
480 -1. PAYVER (1 byte): Defined by AT+PAYVER
481 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
482 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
483 -1. DATA: Valid value: max 6 bytes(US915 version here, [[Notice*!>>path:#max_byte]]) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
484 484  
485 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
426 +1. PAYVER: Defined by AT+PAYVER
427 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
428 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
429 +1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
486 486  
431 +[[image:image-20220602155039-4.png]]
487 487  
488 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
489 489  
490 -DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
434 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
491 491  
492 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
436 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
493 493  
494 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
438 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
495 495  
440 +DATA3=the rest of Valid value of RETURN10= **30**
496 496  
497 497  
498 -Below are the uplink payloads:
443 +(% style="color:red" %)Notice: In firmware v1.3, the Max bytes has been changed according to the max bytes in different Frequency Bands for lowest SF. As below:
499 499  
500 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
445 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
501 501  
447 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
502 502  
503 -Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
449 + * For US915 band, max 11 bytes for each uplink.
504 504  
505 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
451 + ~* For all other bands: max 51 bytes for each uplink.
506 506  
507 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
508 508  
509 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
454 +Below are the uplink payloads:
510 510  
511 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
456 +[[image:1654157178836-407.png]]
512 512  
513 513  
459 +=== 3.3.5 Uplink on demand ===
514 514  
515 -1.
516 -11.
517 -111. Uplink on demand
461 +Except uplink periodically, RS485-LN is able to uplink on demand. The server send downlink command to RS485-LN and RS485 will uplink data base on the command.
518 518  
519 -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.
520 -
521 521  Downlink control command:
522 522  
523 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
465 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
524 524  
525 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
467 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
526 526  
527 527  
528 528  
529 -1.
530 -11.
531 -111. Uplink on Interrupt
471 +=== 3.3.6 Uplink on Interrupt ===
532 532  
533 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
473 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
534 534  
535 -AT+INTMOD=0  Disable Interrupt
475 +[[image:1654157342174-798.png]]
536 536  
537 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
477 +Connect the Interrupt pin to RS485-LN INT port and connect the GND pin to V- port. When there is a high voltage (Max 24v) on INT pin. Device will send an uplink packet.
538 538  
539 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
540 540  
541 -AT+INTMOD=3  Interrupt trigger by rising edge.
480 +== 3.4 Uplink Payload ==
542 542  
543 -
544 -1.
545 -11. Uplink Payload
546 -
547 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
548 -|Value|(((
482 +(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
483 +|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
484 +|Value|(% style="width:120px" %)(((
549 549  Battery(mV)
550 550  
551 551  &
552 552  
553 553  Interrupt _Flag
554 -)))|(((
490 +)))|(% style="width:116px" %)(((
555 555  PAYLOAD_VER
556 556  
557 557  
558 -)))|If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
494 +)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
559 559  
560 560  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
561 561  
562 562  
563 -function Decoder(bytes, port) {
499 +== 3.5 Configure RS485-BL via AT or Downlink ==
564 564  
565 -~/~/Payload Formats of RS485-BL Deceive
501 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
566 566  
567 -return {
568 -
569 - ~/~/Battery,units:V
570 -
571 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
572 -
573 - ~/~/GPIO_EXTI 
574 -
575 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
576 -
577 - ~/~/payload of version
578 -
579 - Pay_ver:bytes[2],
580 -
581 - };
582 -
583 - }
584 -
585 -
586 -
587 -
588 -
589 -
590 -
591 -TTN V3 uplink screen shot.
592 -
593 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
594 -
595 -1.
596 -11. Configure RS485-BL via AT or Downlink
597 -
598 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
599 -
600 600  There are two kinds of Commands:
601 601  
602 -* **Common Commands**: They should be available for each sensor, 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
505 +* (% style="color:#4f81bd" %)**Common Commands**(%%): They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
603 603  
604 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
507 +* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
605 605  
606 -1.
607 -11.
608 -111. Common Commands:
509 +=== 3.5.1 Common Commands ===
609 609  
610 -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]]
511 +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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
611 611  
612 612  
613 -1.
614 -11.
615 -111. Sensor related commands:
514 +=== 3.5.2 Sensor related commands ===
616 616  
617 -==== Choose Device Type (RS485 or TTL) ====
516 +Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
618 618  
619 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
518 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
620 620  
621 -* AT Command
520 +The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
622 622  
623 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
624 624  
625 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
523 +=== 3.5.3 Sensor related commands ===
626 626  
627 627  
628 -* Downlink Payload
629 629  
630 -**0A aa**     à same as AT+MOD=aa
527 +==== **RS485 Debug Command** ====
631 631  
529 +This command is used to configure the RS485 devices; they won’t be used during sampling.
632 632  
531 +* **AT Command**
633 633  
634 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
533 +(% class="box infomessage" %)
534 +(((
535 +**AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
536 +)))
635 635  
636 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
538 +m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
637 637  
638 -* AT Command
540 +* **Downlink Payload**
639 639  
640 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
641 -
642 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
643 -
644 -
645 -
646 -* Downlink Payload
647 -
648 648  Format: A8 MM NN XX XX XX XX YY
649 649  
650 650  Where:
... ... @@ -652,9 +652,12 @@
652 652  * MM: 1: add CRC-16/MODBUS ; 0: no CRC
653 653  * NN: The length of RS485 command
654 654  * XX XX XX XX: RS485 command total NN bytes
655 -* 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
549 +* YY: How many bytes will be uplink from the return of this RS485 command,
550 +** if YY=0, RS485-LN will execute the downlink command without uplink;
551 +** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
552 +** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
656 656  
657 -**Example 1:**
554 +**Example 1** ~-~-> Configure without ask for uplink (YY=0)
658 658  
659 659  To connect a Modbus Alarm with below commands.
660 660  
... ... @@ -664,184 +664,190 @@
664 664  
665 665  So if user want to use downlink command to control to RS485 Alarm, he can use:
666 666  
667 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
564 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
668 668  
669 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
566 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
670 670  
671 671  A8 is type code and 01 means add CRC-16/MODBUS at the end, the 3^^rd^^ byte is 06, means the next 6 bytes are the command to be sent to the RS485 network, the final byte 00 means this command don’t need to acquire output.
672 672  
673 673  
674 -**Example 2:**
571 +**Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
675 675  
676 -Check TTL Sensor return:
573 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
677 677  
678 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
679 679  
576 +RS485-LN got this downlink command and send (% style="color:#4f81bd" %)**0A 08 00 04 00 01 **(%%)to Modbus network. One of the RS485 sensor in the network send back Modbus reply **0A 08 00 04 00 00**. RS485-LN get this reply and combine with the original downlink command and uplink. The uplink message is:
680 680  
578 + **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
681 681  
580 + [[image:1654159460680-153.png]]
682 682  
683 -==== Set Payload version ====
684 684  
685 -This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
686 686  
687 -* AT Command:
584 +==== **Set Payload version** ====
688 688  
689 -AT+PAYVER: Set PAYVER field = 1
586 +This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
690 690  
588 +* **AT Command:**
691 691  
692 -* Downlink Payload:
590 +(% class="box infomessage" %)
591 +(((
592 +**AT+PAYVER: Set PAYVER field = 1**
593 +)))
693 693  
694 -0xAE 01   à Set PAYVER field =  0x01
595 +* **Downlink Payload:**
695 695  
696 -0xAE 0F   à Set PAYVER field =  0x0F
597 +**0xAE 01**  ~-~-> Set PAYVER field =  0x01
697 697  
599 +**0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
698 698  
699 -==== Set RS485 Sampling Commands ====
700 700  
701 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
702 702  
703 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
603 +==== **Set RS485 Sampling Commands** ====
704 704  
605 +AT+COMMANDx or AT+DATACUTx
705 705  
706 -* AT Command:
607 +These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
707 707  
708 -AT+COMMANDx: Configure RS485 read command to sensor.
709 709  
710 -AT+DATACUTx: Configure how to handle return from RS485 devices.
610 +* **AT Command:**
711 711  
712 -AT+SEARCHx: Configure search command
612 +(% class="box infomessage" %)
613 +(((
614 +**AT+COMMANDx: Configure RS485 read command to sensor.**
615 +)))
713 713  
617 +(% class="box infomessage" %)
618 +(((
619 +**AT+DATACUTx: Configure how to handle return from RS485 devices.**
620 +)))
714 714  
715 -* Downlink Payload:
716 716  
717 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
623 +* **Downlink Payload:**
718 718  
719 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
625 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
720 720  
627 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
628 +
721 721  Format: AF MM NN LL XX XX XX XX YY
722 722  
723 723  Where:
724 724  
725 725  * MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
726 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
727 -* LL: The length of AT+COMMAND or AT+DATACUT command
634 +* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
635 +* LL:  The length of AT+COMMAND or AT+DATACUT command
728 728  * XX XX XX XX: AT+COMMAND or AT+DATACUT command
729 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
637 +* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
730 730  
731 -Example:
639 +**Example:**
732 732  
733 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
641 +(% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
734 734  
735 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
643 +(% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
736 736  
737 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
645 +(% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
738 738  
739 739  
740 -0xAB downlink command can be used for set AT+SEARCHx
741 741  
742 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
649 +==== **Fast command to handle MODBUS device** ====
743 743  
744 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
745 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
746 -
747 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
748 -
749 -
750 -==== Fast command to handle MODBUS device ====
751 -
752 752  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
753 753  
754 754  This command is valid since v1.3 firmware version
755 755  
655 +AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
756 756  
757 -AT+MBFUN has only two value:
758 758  
759 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
658 +**Example:**
760 760  
761 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
762 -
763 -* AT+MBFUN=0: Disable Modbus fast reading.
764 -
765 -Example:
766 -
767 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
660 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
768 768  * AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
769 769  * AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
770 770  
771 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
664 +[[image:image-20220602165351-6.png]]
772 772  
666 +[[image:image-20220602165351-7.png]]
773 773  
774 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
775 775  
776 776  
777 -* Downlink Commands:
670 +==== **RS485 command timeout** ====
778 778  
779 -A9 aa Same as AT+MBFUN=aa
672 +Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
780 780  
674 +Default value: 0, range:  0 ~~ 65 seconds
781 781  
782 -==== RS485 command timeout ====
676 +* **AT Command:**
783 783  
784 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
678 +(% class="box infomessage" %)
679 +(((
680 +**AT+CMDDLaa=hex(bb cc)*1000**
681 +)))
785 785  
786 -Default value: 0, range:  0 ~~ 5 seconds
683 +**Example:**
787 787  
685 +**AT+CMDDL1=1000** to send the open time to 1000ms
788 788  
789 -* AT Command:
790 790  
791 -AT+CMDDLaa=hex(bb cc)
688 +* **Downlink Payload:**
792 792  
793 -Example:
690 +**0x AA aa bb cc**
794 794  
795 -**AT+CMDDL1=1000** to send the open time to 1000ms
692 +Same as: AT+CMDDLaa=hex(bb cc)*1000
796 796  
694 + **Example:**
797 797  
798 -* Downlink Payload:
696 + 0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
799 799  
800 -0x AA aa bb cc
801 801  
802 -Same as: AT+CMDDLaa=hex(bb cc)
803 803  
804 - Example:
700 +==== **Uplink payload mode** ====
805 805  
806 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
702 +Define to use one uplink or multiple uplinks for the sampling.
807 807  
704 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
808 808  
809 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
706 +* **AT Command:**
810 810  
811 -Define to use one uplink or multiple uplinks for the sampling.
708 +(% class="box infomessage" %)
709 +(((
710 +**AT+DATAUP=0**
711 +)))
812 812  
813 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
713 +(% class="box infomessage" %)
714 +(((
715 +**AT+DATAUP=1**
716 +)))
814 814  
815 -* AT Command:
816 816  
817 -AT+DATAUP=0
719 +* **Downlink Payload:**
818 818  
819 -AT+DATAUP=1
721 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
820 820  
723 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
821 821  
822 -* Downlink Payload:
823 823  
824 -0xAD 00   à Same as AT+DATAUP=0
825 825  
826 -0xAD 01   à Same as AT+DATAUP=1
727 +==== **Manually trigger an Uplink** ====
827 827  
729 +Ask device to send an uplink immediately.
828 828  
829 -==== Manually trigger an Uplink ====
731 +* **AT Command:**
830 830  
831 -Ask device to send an uplink immediately.
733 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
832 832  
833 -* Downlink Payload:
834 834  
835 -0x08 FF, RS485-BL will immediately send an uplink.
736 +* **Downlink Payload:**
836 836  
738 +**0x08 FF**, RS485-LN will immediately send an uplink.
837 837  
838 -==== Clear RS485 Command ====
839 839  
840 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
841 841  
742 +==== **Clear RS485 Command** ====
842 842  
843 -* AT Command:
744 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
844 844  
746 +* **AT Command:**
747 +
845 845  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
846 846  
847 847  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
... ... @@ -849,43 +849,50 @@
849 849  Example screen shot after clear all RS485 commands. 
850 850  
851 851  
852 -
853 853  The uplink screen shot is:
854 854  
855 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
757 +[[image:1654160691922-496.png]]
856 856  
857 857  
858 -* Downlink Payload:
760 +* **Downlink Payload:**
859 859  
860 -0x09 aa bb same as AT+CMDEAR=aa,bb
762 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
861 861  
862 862  
863 -==== Set Serial Communication Parameters ====
864 864  
766 +==== **Set Serial Communication Parameters** ====
767 +
865 865  Set the Rs485 serial communication parameters:
866 866  
867 -* AT Command:
770 +* **AT Command:**
868 868  
869 869  Set Baud Rate:
870 870  
871 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
774 +(% class="box infomessage" %)
775 +(((
776 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
777 +)))
872 872  
779 +Set UART Parity
873 873  
874 -Set UART parity
781 +(% class="box infomessage" %)
782 +(((
783 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
784 +)))
875 875  
876 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
877 -
878 -
879 879  Set STOPBIT
880 880  
881 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
788 +(% class="box infomessage" %)
789 +(((
790 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
791 +)))
882 882  
883 883  
884 -* Downlink Payload:
794 +* **Downlink Payload:**
885 885  
886 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
796 +**A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
887 887  
888 -Example:
798 +**Example:**
889 889  
890 890  * A7 01 00 60   same as AT+BAUDR=9600
891 891  * A7 01 04 80  same as AT+BAUDR=115200
... ... @@ -895,189 +895,169 @@
895 895  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
896 896  
897 897  
898 -==== Control output power duration ====
808 +== 3.6 Listening mode for RS485 network ==
899 899  
900 -User can set the output power duration before each sampling.
810 +This feature support since firmware v1.4
901 901  
902 -* AT Command:
812 +RS485-LN supports listening mode, it can listen the RS485 network packets and send them via LoRaWAN uplink. Below is the structure. The blue arrow shows the RS485 network packets to RS485-LN.
903 903  
904 -Example:
814 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
905 905  
906 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
816 +To enable the listening mode, use can run the command AT+RXMODE.
907 907  
908 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
909 909  
819 +(% border="1" style="background-color:#ffffcc; width:500px" %)
820 +|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
821 +|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)Enable listening mode 1, if RS485-LN has received more than 10 RS485 commands from the network. RS485-LN will send these commands via LoRaWAN uplinks.
822 +|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)Enable listening mode 2, RS485-LN will capture and send a 500ms content once from the first detect of character. Max value is 65535 ms
823 +|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
824 +|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
910 910  
911 -* LoRaWAN Downlink Command:
826 +**Downlink Command:**
912 912  
913 -07 01 aa bb  Same as AT+5VT=(aa bb)
828 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
914 914  
915 -07 02 aa bb  Same as AT+3V3T=(aa bb)
916 916  
831 +**Example**:
917 917  
833 +The RS485-LN is set to AT+RXMODE=2,1000
918 918  
835 +There is a two Modbus commands in the RS485 network as below:
919 919  
920 -1.
921 -11. Buttons
837 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
922 922  
923 -|**Button**|**Feature**
924 -|**RST**|Reboot RS485-BL
839 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
925 925  
926 -1.
927 -11. +3V3 Output
841 +RS485-LN will capture both and send the uplink: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b  (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
928 928  
929 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
843 +[[image:image-20220602171200-9.png]]
930 930  
931 -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. 
932 932  
846 +(% style="color:red" %)Notice: Listening mode can work with the default polling mode of RS485-LN. When RS485-LN is in to send the RS485 commands (from AT+COMMANDx), the listening mode will be interrupt for a while.
933 933  
934 -The +3V3 output time can be controlled by AT Command.
935 935  
936 -**AT+3V3T=1000**
849 +== 3.7 Buttons ==
937 937  
938 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
939 939  
852 +(% border="1" style="background-color:#f7faff; width:500px" %)
853 +|=**Button**|=(% style="width: 1420px;" %)**Feature**
854 +|**ACT**|(% style="width:1420px" %)If RS485 joined in network, press this button for more than 1 second, RS485 will upload a packet, and the SYS LED will give a (% style="color:blue" %)**Blue blink**
855 +|**RST**|(% style="width:1420px" %)Reboot RS485
856 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
940 940  
941 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
942 942  
859 +== 3.8 LEDs ==
943 943  
944 -1.
945 -11. +5V Output
861 +(% border="1" style="background-color:#f7faff; width:500px" %)
862 +|=**LEDs**|=**Feature**
863 +|**PWR**|Always on if there is power
864 +|**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN** (%%)for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds**(%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
946 946  
947 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
948 948  
949 -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. 
867 += 4. Case Study =
950 950  
869 +User can check this URL for some case studies: [[APP RS485 COMMUNICATE WITH SENSORS>>doc:Main.Application Note \: Communicate with Different Sensors ----- RS485-LN RS485-BL.WebHome]]
951 951  
952 -The 5V output time can be controlled by AT Command.
953 953  
954 -**AT+5VT=1000**
872 += 5. Use AT Command =
955 955  
956 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
874 +== 5.1 Access AT Command ==
957 957  
876 +RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
958 958  
959 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
878 +[[image:1654162355560-817.png]]
960 960  
961 961  
881 +In PC, User needs to set (% style="color:blue" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
962 962  
883 +[[image:1654162368066-342.png]]
963 963  
964 -1.
965 -11. LEDs
966 966  
967 -|**LEDs**|**Feature**
968 -|**LED1**|Blink when device transmit a packet.
886 +More detail AT Command manual can be found at [[AT Command Manual>>https://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]]
969 969  
970 -1.
971 -11. Switch Jumper
972 972  
973 -|**Switch Jumper**|**Feature**
974 -|**SW1**|(((
975 -ISP position: Upgrade firmware via UART
889 +== 5.2 Common AT Command Sequence ==
976 976  
977 -Flash position: Configure device, check running status.
891 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
892 +
893 +If device has not joined network yet:
894 +
895 +(% class="box infomessage" %)
896 +(((
897 +**AT+FDR**
978 978  )))
979 -|**SW2**|(((
980 -5V position: set to compatible with 5v I/O.
981 981  
982 -3.3v position: set to compatible with 3.3v I/O.,
900 +(% class="box infomessage" %)
901 +(((
902 +**AT+NJM=0**
983 983  )))
984 984  
985 -+3.3V: is always ON
905 +(% class="box infomessage" %)
906 +(((
907 +**ATZ**
908 +)))
986 986  
987 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
988 988  
989 -1. Case Study
911 +If device already joined network:
990 990  
991 -User can check this URL for some case studies.
913 +(% class="box infomessage" %)
914 +(((
915 +**AT+NJM=0**
916 +)))
992 992  
993 -[[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]]
918 +(% class="box infomessage" %)
919 +(((
920 +**ATZ**
921 +)))
994 994  
995 995  
924 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
996 996  
997 997  
998 -1. Use AT Command
999 -11. Access AT Command
927 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1000 1000  
1001 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
929 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%)Set to ABP mode
1002 1002  
1003 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
931 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%)Set the Adaptive Data Rate Off
1004 1004  
933 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%)Set Data Rate
1005 1005  
1006 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
935 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1007 1007  
1008 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
937 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%) Set transmit frequency to 868.4Mhz
1009 1009  
939 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1010 1010  
941 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1011 1011  
1012 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
943 +(% style="background-color:#dcdcdc" %)**AT+DADDR=26** (%%) 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1013 1013  
945 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1014 1014  
1015 1015  
1016 -1.
1017 -11. Common AT Command Sequence
1018 -111. Multi-channel ABP mode (Use with SX1301/LG308)
948 +(% style="color:red" %)**Note:**
1019 1019  
1020 -If device has not joined network yet:
950 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
951 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
952 +3. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
953 +4. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1021 1021  
1022 -AT+FDR
955 +[[image:1654162478620-421.png]]
1023 1023  
1024 -AT+NJM=0
1025 1025  
1026 -ATZ
958 += 6. FAQ =
1027 1027  
960 +== 6.1 How to upgrade the image? ==
1028 1028  
1029 -If device already joined network:
962 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1030 1030  
1031 -AT+NJM=0
1032 -
1033 -ATZ
1034 -
1035 -1.
1036 -11.
1037 -111. Single-channel ABP mode (Use with LG01/LG02)
1038 -
1039 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1040 -
1041 -AT+NJM=0 Set to ABP mode
1042 -
1043 -AT+ADR=0 Set the Adaptive Data Rate Off
1044 -
1045 -AT+DR=5  Set Data Rate
1046 -
1047 -AT+TDC=60000  Set transmit interval to 60 seconds
1048 -
1049 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1050 -
1051 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1052 -
1053 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1054 -
1055 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1056 -
1057 -ATZ          Reset MCU
1058 -
1059 -**Note:**
1060 -
1061 -1. Make sure the device is set to ABP mode in the IoT Server.
1062 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1063 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1064 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1065 -
1066 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1067 -
1068 -
1069 -1. FAQ
1070 -11. How to upgrade the image?
1071 -
1072 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1073 -
1074 1074  * Support new features
1075 1075  * For bug fix
1076 1076  * Change LoRaWAN bands.
1077 1077  
1078 -Below shows the hardware connection for how to upload an image to RS485-BL:
968 +Below shows the hardware connection for how to upload an image to RS485-LN:
1079 1079  
1080 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
970 +[[image:1654162535040-878.png]]
1081 1081  
1082 1082  **Step1:** Download [[flash loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
1083 1083  
... ... @@ -1085,84 +1085,77 @@
1085 1085  
1086 1086  **Step3: **Open flashloader; choose the correct COM port to update.
1087 1087  
1088 -
1089 -|(((
1090 -HOLD PRO then press the RST button, SYS will be ON, then click next
978 +(((
979 +(% style="color:blue" %) Hold down the PRO button and then momentarily press the RST reset button and the SYS led will change from OFF to ON, While SYS LED is RED ON, it means the RS485-LN is ready to be program.
1091 1091  )))
1092 1092  
1093 -|(((
1094 -Board detected
1095 -)))
1096 1096  
1097 -|(((
1098 -
1099 -)))
983 +[[image:image-20220602175818-12.png]]
1100 1100  
1101 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1102 1102  
986 +[[image:image-20220602175848-13.png]]
1103 1103  
1104 1104  
1105 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
989 +[[image:image-20220602175912-14.png]]
1106 1106  
1107 1107  
1108 -[[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]]
992 +**Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1109 1109  
994 +[[image:image-20220602175638-10.png]]
1110 1110  
1111 -1.
1112 -11. How to change the LoRa Frequency Bands/Region?
1113 1113  
1114 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
997 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1115 1115  
999 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1116 1116  
1117 1117  
1118 -1.
1119 -11. How many RS485-Slave can RS485-BL connects?
1002 +== 6.3 How many RS485-Slave can RS485-BL connects? ==
1120 1120  
1121 -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]].
1004 +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>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1122 1122  
1123 1123  
1007 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1124 1124  
1009 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1125 1125  
1126 -1. Trouble Shooting     
1127 -11. Downlink doesn’t work, how to solve it?
1011 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1128 1128  
1129 -Please see this link for debug:
1130 1130  
1131 -[[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]] 
1014 += 7. Trouble Shooting =
1132 1132  
1016 +== 7.1 Downlink doesn’t work, how to solve it? ==
1133 1133  
1018 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1134 1134  
1135 -1.
1136 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1137 1137  
1138 -It might about the channels mapping. Please see for detail.
1021 +== 7.2 Why I can’t join TTN V3 in US915 /AU915 bands? ==
1139 1139  
1140 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1023 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1141 1141  
1142 1142  
1026 += 8. Order Info =
1143 1143  
1144 -1. Order Info
1028 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1145 1145  
1146 -**Part Number: RS485-BL-XXX**
1030 +(% style="color:blue" %)**XXX:**
1147 1147  
1148 -**XXX:**
1032 +* (% style="color:blue" %)**EU433**(%%): frequency bands EU433
1033 +* (% style="color:blue" %)**EU868**(%%): frequency bands EU868
1034 +* (% style="color:blue" %)**KR920**(%%): frequency bands KR920
1035 +* (% style="color:blue" %)**CN470**(%%): frequency bands CN470
1036 +* (% style="color:blue" %)**AS923**(%%): frequency bands AS923
1037 +* (% style="color:blue" %)**AU915**(%%): frequency bands AU915
1038 +* (% style="color:blue" %)**US915**(%%): frequency bands US915
1039 +* (% style="color:blue" %)**IN865**(%%): frequency bands IN865
1040 +* (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1041 +* (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1149 1149  
1150 -* **EU433**: frequency bands EU433
1151 -* **EU868**: frequency bands EU868
1152 -* **KR920**: frequency bands KR920
1153 -* **CN470**: frequency bands CN470
1154 -* **AS923**: frequency bands AS923
1155 -* **AU915**: frequency bands AU915
1156 -* **US915**: frequency bands US915
1157 -* **IN865**: frequency bands IN865
1158 -* **RU864**: frequency bands RU864
1159 -* **KZ865: **frequency bands KZ865
1043 += 9.Packing Info =
1160 1160  
1161 -1. Packing Info
1162 1162  
1163 1163  **Package Includes**:
1164 1164  
1165 -* RS485-BL x 1
1048 +* RS485-LN x 1
1166 1166  * Stick Antenna for LoRa RF part x 1
1167 1167  * Program cable x 1
1168 1168  
... ... @@ -1173,9 +1173,32 @@
1173 1173  * Package Size / pcs : 14.5 x 8 x 5 cm
1174 1174  * Weight / pcs : 170g
1175 1175  
1176 -1. Support
1059 += 10. FCC Caution for RS485LN-US915 =
1177 1177  
1178 -* 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.
1179 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to
1061 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1180 1180  
1181 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1063 +This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1064 +
1065 +
1066 +**IMPORTANT NOTE:**
1067 +
1068 +**Note: **This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1069 +
1070 +—Reorient or relocate the receiving antenna.
1071 +
1072 +—Increase the separation between the equipment and receiver.
1073 +
1074 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1075 +
1076 +—Consult the dealer or an experienced radio/TV technician for help.
1077 +
1078 +
1079 +**FCC Radiation Exposure Statement:**
1080 +
1081 +This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1082 +
1083 +
1084 += 11. Support =
1085 +
1086 +* 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.
1087 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
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