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

From version 102.18
edited by Xiaoling
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edited by Xiaoling
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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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1 -(% aria-label="1653266934636-343.png image widget" contenteditable="false" role="region" tabindex="-1" %)
2 -(((
3 -(% data-widget="image" style="text-align:center" %)
4 -[[image:1653266934636-343.png||height="385" width="385"]](% title="Click and drag to resize" %)​
1 +(% style="text-align:center" %)
2 +[[image:1653266934636-343.png||height="385" width="385"]]
5 5  
6 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
7 -)))
8 8  
9 9  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10 10  
11 11  
12 -
13 -
14 -
15 15  **Table of Contents:**
16 16  
17 -{{toc/}}
18 18  
19 19  
20 -(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
21 -(((
22 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||height="15" role="presentation" title="Click and drag to move" width="15"]]
23 -)))
24 24  
25 25  
15 += 1.Introduction =
26 26  
27 -
28 -
29 -
30 -
31 -= 1. Introduction =
32 -
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -
36 36  (((
37 -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.
38 -)))
39 -
40 40  (((
41 -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.
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.
42 42  )))
43 43  
44 44  (((
45 -(% 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.
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.
46 46  )))
47 47  
48 48  (((
49 -(% 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.
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.
50 50  )))
51 51  
52 52  (((
53 -(% 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]]
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.
54 54  )))
35 +)))
55 55  
37 +[[image:1653267211009-519.png||height="419" width="724"]]
56 56  
57 -(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
58 -
59 -
60 60  == 1.2 Specifications ==
61 61  
41 +**Hardware System:**
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
64 -
65 -* STM32L072xxxx MCU
43 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
47 +
48 +*
69 69  ** 20dB Transmit: 65mA@12v
70 70  
71 -(% style="color:#037691" %)**Interface for Model:**
51 +**Interface for Model:**
72 72  
73 73  * RS485
74 74  * Power Input 7~~ 24V DC. 
75 75  
76 -(% style="color:#037691" %)**LoRa Spec:**
56 +**LoRa Spec:**
77 77  
78 78  * Frequency Range:
79 79  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -92,15 +92,12 @@
92 92  * Preamble detection.
93 93  * 127 dB Dynamic Range RSSI.
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 -* Packet engine up to 256 bytes with CRC
75 +* Packet engine up to 256 bytes with CRC.
96 96  
97 -
98 -
99 99  == 1.3 Features ==
100 100  
101 -
102 102  * LoRaWAN Class A & Class C protocol (default Class C)
103 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
80 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
104 104  * AT Commands to change parameters
105 105  * Remote configure parameters via LoRa Downlink
106 106  * Firmware upgradable via program port
... ... @@ -108,11 +108,8 @@
108 108  * Support Modbus protocol
109 109  * Support Interrupt uplink (Since hardware version v1.2)
110 110  
111 -
112 -
113 113  == 1.4 Applications ==
114 114  
115 -
116 116  * Smart Buildings & Home Automation
117 117  * Logistics and Supply Chain Management
118 118  * Smart Metering
... ... @@ -120,34 +120,22 @@
120 120  * Smart Cities
121 121  * Smart Factory
122 122  
123 -
124 -
125 125  == 1.5 Firmware Change log ==
126 126  
127 -
128 128  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
129 129  
130 -
131 131  == 1.6 Hardware Change log ==
132 132  
133 -
134 134  (((
135 135  (((
136 -(((
137 137  v1.2: Add External Interrupt Pin.
138 -)))
139 139  
140 -(((
141 141  v1.0: Release
142 142  )))
143 -
144 -
145 145  )))
146 -)))
147 147  
148 148  = 2. Power ON Device =
149 149  
150 -
151 151  (((
152 152  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
153 153  
... ... @@ -158,9 +158,7 @@
158 158  Once there is power, the RS485-LN will be on.
159 159  )))
160 160  
161 -(% aria-label="1653268091319-405.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268091319-405.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
162 -
163 -
123 +[[image:1653268091319-405.png]]
164 164  )))
165 165  
166 166  = 3. Operation Mode =
... ... @@ -167,46 +167,29 @@
167 167  
168 168  == 3.1 How it works? ==
169 169  
170 -
171 171  (((
172 -(((
173 173  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.
174 174  )))
175 175  
176 -
177 -)))
178 -
179 179  == 3.2 Example to join LoRaWAN network ==
180 180  
181 -
182 182  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. 
183 183  
138 +[[image:1653268155545-638.png||height="334" width="724"]]
184 184  
185 -(% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
186 -
187 -
188 188  (((
189 -(((
190 190  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:
191 -)))
192 192  
193 -(((
194 194  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
195 195  
196 -
197 -)))
145 +[[image:1653268227651-549.png||height="592" width="720"]]
198 198  
199 -(% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
200 -
201 -
202 202  (((
203 -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:
204 -
205 -
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:
206 206  )))
207 207  
208 208  (((
209 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
152 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
210 210  )))
211 211  
212 212  (((
... ... @@ -214,128 +214,103 @@
214 214  )))
215 215  )))
216 216  
217 -(% aria-label="1652953462722-299.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953462722-299.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
160 +[[image:1652953462722-299.png]]
218 218  
219 -
220 220  (((
221 221  (((
222 222  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
223 -
224 -
225 225  )))
226 226  
227 227  (((
228 -**Add APP EUI in the application.**
168 +Add APP EUI in the application.
229 229  )))
230 230  )))
231 231  
232 -(% aria-label="image-20220519174512-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
172 +[[image:image-20220519174512-1.png]]
233 233  
234 -(% aria-label="image-20220519174512-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-2.png||data-widget="image" height="323" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
174 +[[image:image-20220519174512-2.png||height="323" width="720"]]
235 235  
236 -(% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
176 +[[image:image-20220519174512-3.png||height="556" width="724"]]
237 237  
238 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
178 +[[image:image-20220519174512-4.png]]
239 239  
240 -
241 -(% title="Click and drag to resize" %)​
242 -
243 243  You can also choose to create the device manually.
244 244  
245 -(% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
182 +[[image:1652953542269-423.png||height="710" width="723"]]
246 246  
184 +Add APP KEY and DEV EUI
247 247  
186 +[[image:1652953553383-907.png||height="514" width="724"]]
248 248  
249 -**Add APP KEY and DEV EUI**
250 250  
251 -(% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
252 -
253 -
254 -
255 255  (((
256 -(% style="color:blue" %)**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.
257 -
258 -
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.
259 259  )))
260 260  
261 -(% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
193 +[[image:1652953568895-172.png||height="232" width="724"]]
262 262  
263 -
264 264  == 3.3 Configure Commands to read data ==
265 265  
266 -
267 267  (((
268 268  (((
269 -(((
270 -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-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
271 -
272 -
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.
273 273  )))
274 -)))
275 275  
276 276  (((
277 -(((
278 -(% 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**
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
279 279  )))
280 -
281 -
282 282  )))
283 -)))
284 284  
285 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
207 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
286 286  
287 -
288 288  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:
289 289  
290 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
291 -|=(% style="width: 126px; background-color:#D9E2F3;color:#0070C0" %)(((
211 +(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212 +|(((
292 292  **AT Commands**
293 -)))|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)(((
214 +)))|(% style="width:285px" %)(((
294 294  **Description**
295 -)))|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)(((
216 +)))|(% style="width:347px" %)(((
296 296  **Example**
297 297  )))
298 -|(% style="width:126px" %)(((
299 -
300 -
301 -(((
219 +|(((
302 302  AT+BAUDR
303 -)))
304 -)))|(% style="width:177px" %)(((
221 +)))|(% style="width:285px" %)(((
305 305  Set the baud rate (for RS485 connection). Default Value is: 9600.
306 -)))|(% style="width:193px" %)(((
223 +)))|(% style="width:347px" %)(((
307 307  (((
308 308  AT+BAUDR=9600
309 309  )))
310 310  
311 311  (((
312 -Options: (1200,2400,4800,
313 -14400,19200,115200)
229 +Options: (1200,2400,4800,14400,19200,115200)
314 314  )))
315 315  )))
316 -|(% style="width:126px" %)(((
232 +|(((
317 317  AT+PARITY
318 -)))|(% style="width:177px" %)(((
234 +)))|(% style="width:285px" %)(((
319 319  Set UART parity (for RS485 connection)
320 -)))|(% style="width:193px" %)(((
236 +)))|(% style="width:347px" %)(((
321 321  (((
322 322  AT+PARITY=0
323 323  )))
324 324  
325 325  (((
326 -Option: 0: no parity,
327 -1: odd parity,
328 -2: even parity
242 +Option: 0: no parity, 1: odd parity, 2: even parity
329 329  )))
330 330  )))
331 -|(% style="width:126px" %)(((
245 +|(((
332 332  AT+STOPBIT
333 -)))|(% style="width:177px" %)(((
247 +)))|(% style="width:285px" %)(((
334 334  (((
335 335  Set serial stopbit (for RS485 connection)
336 336  )))
337 -)))|(% style="width:193px" %)(((
251 +
338 338  (((
253 +
254 +)))
255 +)))|(% style="width:347px" %)(((
256 +(((
339 339  AT+STOPBIT=0 for 1bit
340 340  )))
341 341  
... ... @@ -348,1447 +348,914 @@
348 348  )))
349 349  )))
350 350  
351 -
352 -
353 353  === 3.3.2 Configure sensors ===
354 354  
355 -
356 356  (((
357 -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.
272 +(((
273 +Some sensors might need to configure before normal operation. User can configure such sensor via PC and RS485 adapter or through RS485-LN AT Commands (% style="color:#4f81bd" %)**AT+CFGDEV**(%%). Each (% style="color:#4f81bd" %)**AT+CFGDEV **(%%)equals to send a RS485 command to sensors. This command will only run when user input it and won’t run during each sampling.
358 358  )))
275 +)))
359 359  
360 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
361 -|=(% style="width: 122px; background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 198px; background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
362 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
363 -(((
277 +(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
278 +|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
279 +|AT+CFGDEV|(% style="width:418px" %)(((
364 364  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
365 -)))
366 366  
367 -(((
368 368  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
369 -)))
370 370  
371 -(((
372 372  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
373 -)))
374 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
285 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 375  
376 -
377 -
378 378  === 3.3.3 Configure read commands for each sampling ===
379 379  
380 -
381 381  (((
382 -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.
383 -
384 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
385 -
386 -This section describes how to achieve above goals.
387 -
388 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
389 -
390 -
391 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
392 -
393 -
394 -~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.
395 -
396 -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.
397 -
398 -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
399 -
400 -
401 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
402 -
403 -Below are examples for the how above AT Commands works.
404 -
405 -
406 -(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
407 -
408 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
409 -|(% style="width:496px" %)(((
410 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
411 -
412 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
413 -
414 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
290 +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.
415 415  )))
416 416  
417 -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.
418 -
419 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
420 -
421 -
422 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
423 -
424 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
425 -|(% style="width:510px" %)(((
426 -**AT+DATACUTx=a,b,c**
427 -
428 -* **a: length for the return of AT+COMMAND**
429 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
430 -* **c: define the position for valid value.  **
431 -)))
432 -
433 -**Examples:**
434 -
435 -
436 -* (% style="color:#037691" %)**Grab bytes**
437 -
438 -(% aria-label="image-20220602153621-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-1.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
439 -
440 -
441 -
442 -* (% style="color:#037691" %)**Grab a section**
443 -
444 -(% aria-label="image-20220602153621-2.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-2.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
445 -
446 -
447 -
448 -* (% style="color:#037691" %)**Grab different sections**
449 -
450 -(% aria-label="image-20220602153621-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602153621-3.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
451 -
452 -
453 -)))
454 -
455 -=== 3.3.4 Compose the uplink payload ===
456 -
457 -
458 458  (((
459 -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.**
460 -
461 -
294 +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.
462 462  )))
463 463  
464 464  (((
465 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
466 -
467 -
298 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
468 468  )))
469 469  
470 470  (((
471 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
302 +This section describes how to achieve above goals.
472 472  )))
473 473  
474 474  (((
475 -Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
306 +During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
476 476  )))
477 477  
478 478  (((
479 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
480 -
481 -
310 +**Command from RS485-BL to Sensor:**
482 482  )))
483 483  
484 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
485 -
486 -
487 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
488 -
489 -
490 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
491 -
492 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
493 -
494 -
495 -~1. PAYVER: Defined by AT+PAYVER
496 -
497 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
498 -
499 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
500 -
501 -4. 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
502 -
503 -
504 -(% aria-label="image-20220602155039-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602155039-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
505 -
506 -
507 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
508 -
509 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
510 -
511 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
512 -
513 -DATA3=the rest of Valid value of RETURN10= **30**
514 -
515 -
516 -(% 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:**
517 -
518 -
519 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
520 -
521 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
522 -
523 - * For US915 band, max 11 bytes for each uplink.
524 -
525 - ~* For all other bands: max 51 bytes for each uplink.
526 -
527 -
528 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
529 -
530 -(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
531 -
532 -
533 -
534 -Below are the uplink payloads:
535 -
536 -
537 -(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
538 -
539 -
540 -=== 3.3.5 Uplink on demand ===
541 -
542 -
543 -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.
544 -
545 -(% style="color:blue" %)**Downlink control command:**
546 -
547 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
548 -
549 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
550 -
551 -
552 -=== 3.3.6 Uplink on Interrupt ===
553 -
554 -
555 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
556 -
557 -
558 -(% aria-label="1654157342174-798.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157342174-798.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
559 -
560 -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.
561 -
562 -
563 -== 3.4 Uplink Payload ==
564 -
565 -
566 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
567 -|=(% scope="row" style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)(((
568 -Size(bytes)
569 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
570 -**Length depends on the return from the commands**
571 -)))
572 -|=(% style="width: 90px;" %)(((
573 -Value
574 -)))|(% style="width:114px" %)(((
575 -PAYLOAD_VER
576 -)))|(% style="width:353px" %)(((
577 -If the valid payload is too long and exceed the maximum
578 -
579 -support payload length in server, server will show payload not
580 -
581 -provided in the LoRaWAN server.
582 -)))
583 -
584 -(% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
585 -
586 -(% title="Click and drag to resize" %)​
587 -
588 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
589 -
590 -
591 -== 3.5 Configure RS485-LN via AT or Downlink ==
592 -
593 -
594 594  (((
595 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
314 +RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
596 596  )))
597 597  
598 598  (((
599 -There are two kinds of Commands:
318 +**Handle return from sensors to RS485-BL**:
600 600  )))
601 601  
602 -* (((
603 -(% 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]]
604 -)))
605 -
606 -* (((
607 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
608 -)))
609 -
610 610  (((
611 -
322 +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**
612 612  )))
613 613  
614 -
615 -=== 3.5.1 Common Commands ===
616 -
617 -
618 -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]]
619 -
620 -
621 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
622 -
623 -
624 -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.
625 -
626 -
627 -(% aria-label="image-20220602163333-5.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602163333-5.png||data-widget="image" height="263" width="1160"]]
628 -
629 -(% title="Click and drag to resize" %)​
630 -
631 -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)
632 -
633 -
634 -=== 3.5.3 Sensor related commands ===
635 -
636 -
637 -
638 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
639 -
640 -
641 -(((
642 -This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
643 -)))
644 -
645 -(((
646 -* (% style="color:#037691" %)**AT Command**
647 -
648 -(((
649 -(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
650 -)))
651 -)))
652 -
653 -(((
654 -
655 -)))
656 -
657 657  * (((
658 -(% style="color:#037691" %)**Downlink Payload**
326 +**AT+DATACUT**
659 659  )))
660 660  
661 661  (((
662 -Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
330 +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.
663 663  )))
664 664  
665 -(((
666 -Where:
667 -)))
668 -
669 669  * (((
670 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
334 +**AT+SEARCH**
671 671  )))
672 -* (((
673 -NN: The length of RS485 command
674 -)))
675 -* (((
676 -XX XX XX XX: RS485 command total NN bytes
677 -)))
678 -* (((
679 -(((
680 -YY: How many bytes will be uplink from the return of this RS485 command,
681 -)))
682 682  
683 -* (((
684 -if YY=0, RS485-LN will execute the downlink command without uplink;
685 -)))
686 -* (((
687 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
688 -)))
689 -* (((
690 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
691 -)))
692 -)))
693 -
694 694  (((
695 -
696 -
697 -(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
338 +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.
698 698  )))
699 699  
700 700  (((
701 -To connect a Modbus Alarm with below commands.
342 +**Define wait timeout:**
702 702  )))
703 703  
704 -* (((
705 -The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
706 -)))
707 -
708 -* (((
709 -The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
710 -)))
711 -
712 712  (((
713 -
714 -
715 -So if user want to use downlink command to control to RS485 Alarm, he can use:
346 +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
716 716  )))
717 717  
718 718  (((
719 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
350 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
720 720  )))
721 721  
722 -(((
723 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
724 -)))
353 +**Examples:**
725 725  
726 -(((
727 -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.
728 -)))
355 +Below are examples for the how above AT Commands works.
729 729  
730 -(((
731 -
732 -)))
357 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
733 733  
734 -(((
735 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
736 -)))
359 +(% border="1" class="table-bordered" %)
360 +|(((
361 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
737 737  
738 -(((
739 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
740 -)))
363 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
741 741  
742 -(((
743 -
365 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
744 744  )))
745 745  
746 746  (((
747 -(((
748 -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:  **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
369 +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.
749 749  )))
750 750  
751 -
752 -)))
753 -
754 754  (((
755 - (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
373 +In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
756 756  )))
757 757  
758 -
759 -
760 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
761 -
762 -
763 763  (((
764 -This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
377 +**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
765 765  )))
766 766  
767 -(((
768 -* (% style="color:#037691" %)**AT Command:**
380 +(% border="1" class="table-bordered" %)
381 +|(((
382 +**AT+SEARCHx=aa,xx xx xx xx xx**
769 769  
770 -(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
384 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
385 +* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
771 771  
772 772  
773 773  )))
774 774  
775 -* (((
776 -(% style="color:#037691" %)**Downlink Payload:**
777 -)))
390 +**Examples:**
778 778  
779 -(((
780 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
781 -)))
392 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
782 782  
783 -(((
784 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
785 -)))
394 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
786 786  
396 +The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
787 787  
788 -**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
398 +[[image:1653269403619-508.png]]
789 789  
400 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
790 790  
791 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
402 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
792 792  
404 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
793 793  
406 +[[image:1653269438444-278.png]]
794 794  
795 -**2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.**
408 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
796 796  
410 +|(((
411 +**AT+DATACUTx=a,b,c**
797 797  
798 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
799 -
800 -
801 -
802 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
803 -
804 -
805 -(((
806 -AT+COMMANDx or AT+DATACUTx
413 +* **a: length for the return of AT+COMMAND**
414 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
415 +* **c: define the position for valid value.  **
807 807  )))
808 808  
809 -(((
810 -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"]].
811 -)))
418 +Examples:
812 812  
813 -(((
814 -
815 -)))
420 +* Grab bytes:
816 816  
817 -* (((
818 -(% style="color:#037691" %)**AT Command:**
819 -)))
422 +[[image:1653269551753-223.png||height="311" width="717"]]
820 820  
821 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
424 +* Grab a section.
822 822  
823 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
426 +[[image:1653269568276-930.png||height="325" width="718"]]
824 824  
428 +* Grab different sections.
825 825  
826 -* (((
827 -(% style="color:#037691" %)**Downlink Payload:**
828 -)))
430 +[[image:1653269593172-426.png||height="303" width="725"]]
829 829  
830 -(((
831 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
432 +(% style="color:red" %)**Note:**
832 832  
833 -
834 -)))
434 +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.
835 835  
836 -(((
837 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
436 +Example:
838 838  
839 -
840 -)))
438 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
841 841  
842 -(((
843 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
844 -)))
440 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
845 845  
846 -(((
847 -Where:
848 -)))
442 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
849 849  
850 -* (((
851 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
852 -)))
853 -* (((
854 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
855 -)))
856 -* (((
857 -LL:  The length of AT+COMMAND or AT+DATACUT command
858 -)))
859 -* (((
860 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
861 -)))
862 -* (((
863 -YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
864 -)))
444 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
865 865  
866 -(((
867 -
446 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
868 868  
869 -**Example:**
870 -)))
448 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
871 871  
872 -(((
873 -(% 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
874 -)))
450 +[[image:1653269618463-608.png]]
875 875  
876 -(((
877 -(% 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**
878 -)))
452 +=== 3.3.4 Compose the uplink payload ===
879 879  
880 880  (((
881 -(% 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**
455 +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.**
882 882  )))
883 883  
884 -
885 -
886 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
887 -
888 -
889 889  (((
890 -(% style="color:#4472c4" %)** 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]].
459 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
891 891  )))
892 892  
893 893  (((
894 -This command is valid since v1.3 firmware version
463 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
895 895  )))
896 896  
897 897  (((
898 -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.
467 +Final Payload is
899 899  )))
900 900  
901 901  (((
902 -
471 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
903 903  )))
904 904  
905 905  (((
906 -**Example:**
475 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
907 907  )))
908 908  
909 -* (((
910 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
911 -)))
912 -* (((
913 -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.
914 -)))
915 -* (((
916 -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.
478 +[[image:1653269759169-150.png||height="513" width="716"]]
917 917  
918 -
919 -)))
920 920  
921 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
922 922  
923 -(% title="Click and drag to resize" %)​
482 +**Examples: AT+DATAUP=1**
924 924  
925 -(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% title="Click and drag to resize" %)​
484 +Compose the uplink payload with value returns in sequence and send with **Multiply UPLINKs**.
926 926  
486 +Final Payload is
927 927  
488 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
928 928  
929 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
490 +1. Battery Info (2 bytes): Battery voltage
491 +1. PAYVER (1 byte): Defined by AT+PAYVER
492 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
493 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
494 +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
930 930  
496 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
931 931  
932 -(((
933 -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.
934 -)))
935 935  
936 -(((
937 -Default value: 0, range:  0 ~~ 65 seconds
938 -)))
499 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
939 939  
940 -(((
941 -* (% style="color:#037691" %)** AT Command:**
501 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
942 942  
943 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
944 -)))
503 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
945 945  
946 -(((
947 -
505 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
948 948  
949 -**Example:**
950 -)))
951 951  
952 -(((
953 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
954 -)))
955 955  
956 -(((
957 -
958 -)))
509 +Below are the uplink payloads:
959 959  
960 -* (((
961 -(% style="color:#037691" %)** Downlink Payload:**
962 -)))
511 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
963 963  
964 -(((
965 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
966 -)))
967 967  
968 -(((
969 -
514 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
970 970  
971 -**Example:**
972 -)))
516 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
973 973  
974 -(((
975 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
976 -)))
518 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
977 977  
520 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
978 978  
522 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
979 979  
980 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
981 981  
982 982  
983 -(((
984 -Define to use one uplink or multiple uplinks for the sampling.
985 -)))
526 +1.
527 +11.
528 +111. Uplink on demand
986 986  
987 -(((
988 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
530 +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.
989 989  
990 -
991 -)))
532 +Downlink control command:
992 992  
993 -(((
994 -* (% style="color:#037691" %)** AT Command:**
534 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
995 995  
996 -(% style="color:#4472c4" %)** AT+DATAUP=0**
536 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
997 997  
998 -(% style="color:#4472c4" %)** AT+DATAUP=1**
999 999  
1000 -
1001 -)))
1002 1002  
1003 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000  ~/~/  (00 00 14 is 20 seconds)
540 +1.
541 +11.
542 +111. Uplink on Interrupt
1004 1004  
1005 -Each uplink is sent to the server at 20-second intervals when segmented.
544 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
1006 1006  
546 +AT+INTMOD=0  Disable Interrupt
1007 1007  
1008 -* (((
1009 -(% style="color:#037691" %)** Downlink Payload:**
1010 -)))
548 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
1011 1011  
1012 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
550 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
1013 1013  
1014 -(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
552 +AT+INTMOD=3  Interrupt trigger by rising edge.
1015 1015  
1016 1016  
1017 -* (((
1018 -(% style="color:#037691" %)** AT Command:**
1019 -)))
555 +1.
556 +11. Uplink Payload
1020 1020  
1021 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
558 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
559 +|Value|(((
560 +Battery(mV)
1022 1022  
562 +&
1023 1023  
1024 -* (((
1025 -(% style="color:#037691" %)** Downlink Payload:**
1026 -)))
564 +Interrupt _Flag
565 +)))|(((
566 +PAYLOAD_VER
1027 1027  
1028 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1,20000  ~/~/  (00 00 14 is 20 seconds)
568 +
569 +)))|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.
1029 1029  
1030 -Each uplink is sent to the server at 20-second intervals when segmented.
571 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
1031 1031  
1032 1032  
574 +function Decoder(bytes, port) {
1033 1033  
1034 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
576 +~/~/Payload Formats of RS485-BL Deceive
1035 1035  
578 +return {
1036 1036  
1037 -(((
1038 -Ask device to send an uplink immediately.
1039 -)))
580 + ~/~/Battery,units:V
1040 1040  
1041 -* (((
1042 -(% style="color:#037691" %)** AT Command:**
1043 -)))
582 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
1044 1044  
1045 -(((
1046 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1047 -)))
584 + ~/~/GPIO_EXTI 
1048 1048  
1049 -(((
1050 -
1051 -)))
586 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1052 1052  
1053 -* (((
1054 -(% style="color:#037691" %)** Downlink Payload:**
1055 -)))
588 + ~/~/payload of version
1056 1056  
1057 -(((
1058 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1059 -)))
590 + Pay_ver:bytes[2],
1060 1060  
592 + };
1061 1061  
594 + }
1062 1062  
1063 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1064 1064  
1065 1065  
1066 -(((
1067 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1068 1068  
1069 -
1070 -)))
1071 1071  
1072 -* (((
1073 -(% style="color:#037691" %)** AT Command:**
1074 -)))
1075 1075  
1076 -(((
1077 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1078 -)))
1079 1079  
1080 -(((
1081 -
602 +TTN V3 uplink screen shot.
1082 1082  
1083 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1084 -)))
604 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1085 1085  
1086 -(((
1087 -Example screen shot after clear all RS485 commands. 
1088 -)))
606 +1.
607 +11. Configure RS485-BL via AT or Downlink
1089 1089  
1090 -(((
1091 -
1092 -)))
609 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1093 1093  
1094 -(((
1095 -The uplink screen shot is:
1096 -)))
611 +There are two kinds of Commands:
1097 1097  
1098 -(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
613 +* **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
1099 1099  
615 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1100 1100  
1101 -* (((
1102 -(% style="color:#037691" %)** Downlink Payload:**
1103 -)))
617 +1.
618 +11.
619 +111. Common Commands:
1104 1104  
1105 -(((
1106 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1107 -)))
621 +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]]
1108 1108  
1109 1109  
624 +1.
625 +11.
626 +111. Sensor related commands:
1110 1110  
1111 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
628 +==== Choose Device Type (RS485 or TTL) ====
1112 1112  
630 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1113 1113  
1114 -(((
1115 -Set the Rs485 serial communication parameters:
1116 -)))
632 +* AT Command
1117 1117  
1118 -(((
1119 -(% style="color:#037691" %)**AT Command:**
1120 -)))
634 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1121 1121  
1122 -(((
1123 -* Set Baud Rate
1124 -)))
636 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1125 1125  
1126 -(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1127 1127  
639 +* Downlink Payload
1128 1128  
1129 -(((
1130 -* Set UART Parity
1131 -)))
641 +**0A aa**     à same as AT+MOD=aa
1132 1132  
1133 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1134 1134  
1135 1135  
1136 -(((
1137 -* Set STOPBIT
1138 -)))
645 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1139 1139  
1140 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
647 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1141 1141  
649 +* AT Command
1142 1142  
1143 -(((
1144 -(% style="color:#037691" %)**Downlink Payload:**
1145 -)))
651 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1146 1146  
1147 -(((
1148 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1149 -)))
653 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1150 1150  
1151 -(((
1152 -**Example:**
1153 -)))
1154 1154  
1155 -* (((
1156 -A7 01 00 60  same as AT+BAUDR=9600
1157 -)))
1158 -* (((
1159 -A7 01 04 80  same as AT+BAUDR=115200
1160 -)))
1161 1161  
1162 -(((
1163 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1164 -)))
657 +* Downlink Payload
1165 1165  
1166 -(((
1167 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1168 -)))
659 +Format: A8 MM NN XX XX XX XX YY
1169 1169  
661 +Where:
1170 1170  
663 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
664 +* NN: The length of RS485 command
665 +* XX XX XX XX: RS485 command total NN bytes
666 +* 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
1171 1171  
668 +**Example 1:**
1172 1172  
1173 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
670 +To connect a Modbus Alarm with below commands.
1174 1174  
672 +* The command to active alarm is: 0A 05 00 04 00 01 4C B0. Where 0A 05 00 04 00 01 is the Modbus command to read the register 00 40 where stored the DI status. The 4C B0 is the CRC-16/MODBUS which calculate manually.
1175 1175  
1176 -* (((
1177 -(% style="color:#037691" %)** AT Command:**
1178 -)))
674 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1179 1179  
1180 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
676 +So if user want to use downlink command to control to RS485 Alarm, he can use:
1181 1181  
1182 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
678 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1183 1183  
1184 -* (((
1185 -(% style="color:#037691" %)**Downlink Payload:**
1186 -)))
680 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1187 1187  
1188 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same a AT+DATABIT=7
682 +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.
1189 1189  
1190 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1191 1191  
685 +**Example 2:**
1192 1192  
687 +Check TTL Sensor return:
1193 1193  
1194 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
689 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1195 1195  
1196 -(((
1197 -
1198 -)))
1199 1199  
1200 -* (((
1201 -(% style="color:#037691" %)** AT Command:**
1202 -)))
1203 1203  
1204 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1205 1205  
1206 -(% style="color:#4472c4" %)** AT+DECRYPT= ** (%%) ~/~/ Encrypt when uploading payload (default)
694 +==== Set Payload version ====
1207 1207  
696 +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.
1208 1208  
698 +* AT Command:
1209 1209  
1210 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
700 +AT+PAYVER: Set PAYVER field = 1
1211 1211  
1212 1212  
1213 -* (((
1214 -(% style="color:#037691" %)** AT Command:**
1215 -)))
703 +* Downlink Payload:
1216 1216  
1217 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=**(%%) ~/~/ The serial port gets the reading of the current sensor
705 +0xAE 01   à Set PAYVER field 0x01
1218 1218  
1219 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
707 +0xAE 0F   à Set PAYVER field =  0x0F
1220 1220  
1221 1221  
710 +==== Set RS485 Sampling Commands ====
1222 1222  
1223 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
712 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1224 1224  
714 +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]].
1225 1225  
1226 -* (((
1227 -(% style="color:#037691" %)** AT Command:**
1228 -)))
1229 1229  
1230 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
717 +* AT Command:
1231 1231  
1232 -(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
719 +AT+COMMANDx: Configure RS485 read command to sensor.
1233 1233  
721 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1234 1234  
723 +AT+SEARCHx: Configure search command
1235 1235  
1236 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1237 1237  
726 +* Downlink Payload:
1238 1238  
1239 -* (((
1240 -(% style="color:#037691" %)** AT Command:**
1241 -)))
728 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1242 1242  
1243 - (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
730 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1244 1244  
1245 - (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
732 +Format: AF MM NN LL XX XX XX XX YY
1246 1246  
734 +Where:
1247 1247  
1248 -* (((
1249 -(% style="color:#037691" %)** Downlink Payload:**
1250 -)))
736 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
737 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
738 +* LL: The length of AT+COMMAND or AT+DATACUT command
739 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
740 +* 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.
1251 1251  
1252 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
742 +Example:
1253 1253  
744 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1254 1254  
746 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1255 1255  
1256 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
748 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1257 1257  
1258 1258  
1259 -* (((
1260 -(% style="color:#037691" %)** AT Command:**
1261 -)))
751 +0xAB downlink command can be used for set AT+SEARCHx
1262 1262  
1263 -(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
753 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1264 1264  
1265 -Example:**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
755 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
756 +* 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
1266 1266  
758 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1267 1267  
1268 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1269 1269  
1270 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
761 +==== Fast command to handle MODBUS device ====
1271 1271  
763 +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]].
1272 1272  
765 +This command is valid since v1.3 firmware version
1273 1273  
1274 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1275 1275  
1276 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
768 +AT+MBFUN has only two value:
1277 1277  
770 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1278 1278  
772 +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.
1279 1279  
1280 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
774 +* AT+MBFUN=0: Disable Modbus fast reading.
1281 1281  
776 +Example:
1282 1282  
1283 -(((
1284 -* (% style="color:#037691" %)**Downlink Payload:**
778 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
779 +* 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.
780 +* 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.
1285 1285  
1286 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1287 -)))
782 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1288 1288  
1289 1289  
1290 -Example
785 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1291 1291  
1292 1292  
1293 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
788 +* Downlink Commands:
1294 1294  
790 +A9 aa -à Same as AT+MBFUN=aa
1295 1295  
1296 1296  
1297 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
793 +==== RS485 command timeout ====
1298 1298  
795 +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.
1299 1299  
1300 -* (((
1301 -(% style="color:#037691" %)** AT Command:**
1302 -)))
797 +Default value: 0, range:  0 ~~ 5 seconds
1303 1303  
1304 -(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
1305 1305  
1306 -(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
800 +* AT Command:
1307 1307  
1308 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
802 +AT+CMDDLaa=hex(bb cc)
1309 1309  
804 +Example:
1310 1310  
1311 -* (((
1312 -(% style="color:#037691" %)**Downlink Payload:**
1313 -)))
806 +**AT+CMDDL1=1000** to send the open time to 1000ms
1314 1314  
1315 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1316 1316  
1317 -[[image:image-20220824144240-1.png]]
809 +* Downlink Payload:
1318 1318  
811 +0x AA aa bb cc
1319 1319  
1320 -== 3.6 Listening mode for RS485 network ==
813 +Same as: AT+CMDDLaa=hex(bb cc)
1321 1321  
815 + Example:
1322 1322  
1323 -(((
1324 -This feature support since firmware v1.4
1325 -)))
817 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1326 1326  
1327 -(((
1328 -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.
1329 1329  
1330 -
1331 -)))
820 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
1332 1332  
1333 -(% aria-label="image-20220602171200-8.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-8.png||data-widget="image" height="567" width="1007"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
822 +Define to use one uplink or multiple uplinks for the sampling.
1334 1334  
1335 -(% title="Click and drag to resize" %)​
824 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1336 1336  
1337 -(((
1338 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1339 -)))
826 +* AT Command:
1340 1340  
828 +AT+DATAUP=0
1341 1341  
830 +AT+DATAUP=1
1342 1342  
1343 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1344 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1345 -**Command example**
1346 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1347 -**Function**
1348 -)))
1349 -|(% style="width:156px" %)(((
1350 -AT+RXMODE=1,10
1351 -)))|(% style="width:352px" %)(((
1352 -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.
1353 -)))
1354 -|(% style="width:156px" %)(((
1355 -AT+RXMODE=2,500
1356 -)))|(% style="width:352px" %)(((
1357 -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
1358 -)))
1359 -|(% style="width:156px" %)(((
1360 -AT+RXMODE=0,0
1361 -)))|(% style="width:352px" %)(((
1362 -Disable listening mode. This is the default settings.
1363 -)))
1364 -|(% style="width:156px" %)(((
1365 -
1366 -)))|(% style="width:352px" %)(((
1367 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1368 -)))
1369 1369  
1370 -(((
1371 -
833 +* Downlink Payload:
1372 1372  
1373 -(% style="color:#037691" %)**Downlink Command:**
1374 -)))
835 +0xAD 00   à Same as AT+DATAUP=0
1375 1375  
1376 -(((
1377 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1378 -)))
837 +0xAD 01   à Same as AT+DATAUP=1
1379 1379  
1380 -(((
1381 -
1382 -)))
1383 1383  
1384 -(((
1385 -**Example**:
1386 -)))
840 +==== Manually trigger an Uplink ====
1387 1387  
1388 -(((
1389 -The RS485-LN is set to AT+RXMODE=2,1000
1390 -)))
842 +Ask device to send an uplink immediately.
1391 1391  
1392 -(((
1393 -There is a two Modbus commands in the RS485 network as below:
1394 -)))
844 +* Downlink Payload:
1395 1395  
1396 -(((
1397 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1398 -)))
846 +0x08 FF, RS485-BL will immediately send an uplink.
1399 1399  
1400 -(((
1401 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1402 -)))
1403 1403  
1404 -(((
1405 -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**
849 +==== Clear RS485 Command ====
1406 1406  
1407 -
1408 -)))
851 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1409 1409  
1410 -(((
1411 -(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1412 -)))
1413 1413  
854 +* AT Command:
1414 1414  
856 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1415 1415  
1416 -(((
1417 -(% 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.**
1418 -)))
858 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1419 1419  
860 +Example screen shot after clear all RS485 commands. 
1420 1420  
1421 -== 3.7 Buttons ==
1422 1422  
1423 1423  
1424 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1425 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1426 -|(% style="width:50px" %)ACT|(% style="width:361px" %)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**
1427 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1428 -|(% style="width:50px" %)PRO|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
864 +The uplink screen shot is:
1429 1429  
866 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1430 1430  
1431 1431  
1432 -== 3.8 LEDs ==
869 +* Downlink Payload:
1433 1433  
871 +0x09 aa bb same as AT+CMDEAR=aa,bb
1434 1434  
1435 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1436 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1437 -|PWR|Always on if there is power
1438 -|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.
1439 1439  
874 +==== Set Serial Communication Parameters ====
1440 1440  
876 +Set the Rs485 serial communication parameters:
1441 1441  
1442 -= 4. Case Study =
878 +* AT Command:
1443 1443  
880 +Set Baud Rate:
1444 1444  
1445 -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]]
882 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1446 1446  
1447 1447  
1448 -= 5. Use AT Command =
885 +Set UART parity
1449 1449  
1450 -== 5.1 Access AT Command ==
887 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1451 1451  
1452 1452  
1453 -(((
1454 -RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
890 +Set STOPBIT
1455 1455  
1456 -
1457 -)))
892 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1458 1458  
1459 -(% aria-label="1654162355560-817.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162355560-817.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1460 1460  
895 +* Downlink Payload:
1461 1461  
897 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1462 1462  
1463 -(((
1464 -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-LN. The default password is 123456. Below is the output for reference:
899 +Example:
1465 1465  
1466 -
1467 -)))
901 +* A7 01 00 60   same as AT+BAUDR=9600
902 +* A7 01 04 80  same as AT+BAUDR=115200
1468 1468  
1469 -(% aria-label="1654162368066-342.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162368066-342.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)
904 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1470 1470  
906 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1471 1471  
1472 -(((
1473 -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/]]
1474 -)))
1475 1475  
909 +==== Control output power duration ====
1476 1476  
1477 -== 5.2 Common AT Command Sequence ==
911 +User can set the output power duration before each sampling.
1478 1478  
1479 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
913 +* AT Command:
1480 1480  
915 +Example:
1481 1481  
1482 -If device has not joined network yet:
917 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1483 1483  
1484 -* (% style="color:#037691" %)**AT+FDR**
1485 -* (% style="color:#037691" %)**AT+NJM=0**
1486 -* (% style="color:#037691" %)**ATZ**
919 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1487 1487  
1488 -(((
1489 -
1490 1490  
1491 -If device already joined network:
922 +* LoRaWAN Downlink Command:
1492 1492  
1493 -* (% style="color:#037691" %)**AT+NJM=0**
1494 -* (% style="color:#037691" %)**ATZ**
1495 -)))
924 +07 01 aa bb  Same as AT+5VT=(aa bb)
1496 1496  
926 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1497 1497  
1498 1498  
1499 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1500 1500  
1501 1501  
1502 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
931 +1.
932 +11. Buttons
1503 1503  
1504 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
934 +|**Button**|**Feature**
935 +|**RST**|Reboot RS485-BL
1505 1505  
1506 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
937 +1.
938 +11. +3V3 Output
1507 1507  
1508 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
940 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1509 1509  
1510 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
942 +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. 
1511 1511  
1512 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1513 1513  
1514 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
945 +The +3V3 output time can be controlled by AT Command.
1515 1515  
1516 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
947 +**AT+3V3T=1000**
1517 1517  
1518 -(% 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.
949 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1519 1519  
1520 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1521 1521  
952 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1522 1522  
1523 -(% style="color:red" %)**Note:**
1524 1524  
1525 -(((
1526 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1527 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1528 -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.
1529 -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
955 +1.
956 +11. +5V Output
1530 1530  
1531 -
1532 -)))
958 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1533 1533  
1534 -(% aria-label="1654162478620-421.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162478620-421.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
960 +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
1535 1535  
1536 1536  
1537 -= 6. FAQ =
963 +The 5V output time can be controlled by AT Command.
1538 1538  
1539 -== 6.1 How to upgrade the image? ==
965 +**AT+5VT=1000**
1540 1540  
967 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1541 1541  
1542 -(((
1543 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1544 -)))
1545 1545  
1546 -* (((
1547 -Support new features
1548 -)))
1549 -* (((
1550 -For bug fix
1551 -)))
1552 -* (((
1553 -Change LoRaWAN bands.
1554 -)))
970 +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.
1555 1555  
1556 -(((
1557 -Below shows the hardware connection for how to upload an image to RS485-LN:
1558 -)))
1559 1559  
1560 -(% aria-label="1654162535040-878.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654162535040-878.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
1561 1561  
1562 -(% title="Click and drag to resize" %)​
1563 1563  
1564 -(((
1565 -(% style="color:blue" %)**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]].
975 +1.
976 +11. LEDs
1566 1566  
1567 -
1568 -)))
978 +|**LEDs**|**Feature**
979 +|**LED1**|Blink when device transmit a packet.
1569 1569  
1570 -(((
1571 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
981 +1.
982 +11. Switch Jumper
1572 1572  
1573 -
1574 -)))
984 +|**Switch Jumper**|**Feature**
985 +|**SW1**|(((
986 +ISP position: Upgrade firmware via UART
1575 1575  
1576 -(((
1577 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1578 -
1579 -
988 +Flash position: Configure device, check running status.
1580 1580  )))
990 +|**SW2**|(((
991 +5V position: set to compatible with 5v I/O.
1581 1581  
1582 -(((
1583 -(((
1584 -(((
1585 -(% 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.
993 +3.3v position: set to compatible with 3.3v I/O.,
1586 1586  )))
1587 -)))
1588 -)))
1589 1589  
996 ++3.3V: is always ON
1590 1590  
1591 -(% aria-label="image-20220602175818-12.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175818-12.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
998 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1592 1592  
1000 +1. Case Study
1593 1593  
1594 -(% aria-label="image-20220602175848-13.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175848-13.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1002 +User can check this URL for some case studies.
1595 1595  
1004 +[[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]]
1596 1596  
1597 -(% aria-label="image-20220602175912-14.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175912-14.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1598 1598  
1599 1599  
1600 -(% style="color:red" %)**Notice**: **In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:**
1601 1601  
1602 -(% aria-label="image-20220602175638-10.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602175638-10.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1009 +1. Use AT Command
1010 +11. Access AT Command
1603 1603  
1012 +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.
1604 1604  
1605 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1014 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1606 1606  
1607 1607  
1608 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1017 +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:
1609 1609  
1019 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1610 1610  
1611 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1612 1612  
1613 1613  
1614 -The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN 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"]].
1023 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1615 1615  
1616 1616  
1617 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1618 1618  
1027 +1.
1028 +11. Common AT Command Sequence
1029 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1619 1619  
1620 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1031 +If device has not joined network yet:
1621 1621  
1622 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1033 +AT+FDR
1623 1623  
1035 +AT+NJM=0
1624 1624  
1625 -== 6.5 Can i use point to point communication for RS485-LN? ==
1037 +ATZ
1626 1626  
1627 1627  
1628 -Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]],then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1040 +If device already joined network:
1629 1629  
1042 +AT+NJM=0
1630 1630  
1631 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1044 +ATZ
1632 1632  
1046 +1.
1047 +11.
1048 +111. Single-channel ABP mode (Use with LG01/LG02)
1633 1633  
1634 -[[Use RS485-BL or RS485-LN to connect to RS232 devices. - DRAGINO>>url:http://8.211.40.43:8080/xwiki/bin/view/Main/RS485%20to%20RS232/]]
1050 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1635 1635  
1052 +AT+NJM=0 Set to ABP mode
1636 1636  
1637 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1054 +AT+ADR=0 Set the Adaptive Data Rate Off
1638 1638  
1639 -=== 6.7.1 Introduce: ===
1056 +AT+DR= Set Data Rate
1640 1640  
1058 +AT+TDC=60000  Set transmit interval to 60 seconds
1641 1641  
1642 -Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1060 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1643 1643  
1644 -1. Test if Modbus-MTU works with PC commands.
1645 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1646 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1647 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1062 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1648 1648  
1649 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1064 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1650 1650  
1066 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1651 1651  
1652 -Example Connection:
1068 +ATZ          Reset MCU
1653 1653  
1654 -[[image:image-20221130104310-2.png]]
1070 +**Note:**
1655 1655  
1072 +1. Make sure the device is set to ABP mode in the IoT Server.
1073 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1074 +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.
1075 +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
1656 1656  
1657 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1077 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1658 1658  
1659 1659  
1660 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1080 +1. FAQ
1081 +11. How to upgrade the image?
1661 1661  
1662 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1083 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1663 1663  
1085 +* Support new features
1086 +* For bug fix
1087 +* Change LoRaWAN bands.
1664 1664  
1665 -=== 6.7.3 With ModRSsim2: ===
1089 +Below shows the hardware connection for how to upload an image to RS485-BL:
1666 1666  
1091 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1667 1667  
1668 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1093 +**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]].
1669 1669  
1670 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1095 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1671 1671  
1097 +**Step3: **Open flashloader; choose the correct COM port to update.
1672 1672  
1673 -(% style="color:blue" %)**(2) Click the serial port icon**
1674 1674  
1675 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1100 +|(((
1101 +HOLD PRO then press the RST button, SYS will be ON, then click next
1102 +)))
1676 1676  
1104 +|(((
1105 +Board detected
1106 +)))
1677 1677  
1678 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1108 +|(((
1109 +
1110 +)))
1679 1679  
1680 -[[image:image-20221130104310-6.png]]
1112 +[[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]]
1681 1681  
1682 1682  
1683 -(% style="color:blue" %)**(4) Click the comms.**
1684 1684  
1685 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1116 +[[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]]
1686 1686  
1687 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1688 -**Run RS485-LN/BL command and monitor if it is correct.**
1689 1689  
1119 +[[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]]
1690 1690  
1691 -=== 6.7.4 Example – Test the CFGDEV command ===
1692 1692  
1122 +1.
1123 +11. How to change the LoRa Frequency Bands/Region?
1693 1693  
1694 -RS485-LN sent below command:
1125 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1695 1695  
1696 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1697 1697  
1698 1698  
1699 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1129 +1.
1130 +11. How many RS485-Slave can RS485-BL connects?
1700 1700  
1701 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1132 +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]].
1702 1702  
1703 1703  
1704 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1705 1705  
1706 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1707 1707  
1137 +1. Trouble Shooting     
1138 +11. Downlink doesn’t work, how to solve it?
1708 1708  
1709 -=== 6.7.5 Example – Test CMD command sets. ===
1140 +Please see this link for debug:
1710 1710  
1142 +[[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]] 
1711 1711  
1712 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1713 1713  
1714 1714  
1715 -(% style="color:blue" %)**Serial port tool:**
1146 +1.
1147 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1716 1716  
1717 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1149 +It might about the channels mapping. Please see for detail.
1718 1718  
1151 +[[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]]
1719 1719  
1720 -(% style="color:blue" %)**ModRSsim2:**
1721 1721  
1722 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1723 1723  
1155 +1. Order Info
1724 1724  
1725 -=== 6.7.6 Test with PC ===
1157 +**Part Number: RS485-BL-XXX**
1726 1726  
1159 +**XXX:**
1727 1727  
1728 -If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1161 +* **EU433**: frequency bands EU433
1162 +* **EU868**: frequency bands EU868
1163 +* **KR920**: frequency bands KR920
1164 +* **CN470**: frequency bands CN470
1165 +* **AS923**: frequency bands AS923
1166 +* **AU915**: frequency bands AU915
1167 +* **US915**: frequency bands US915
1168 +* **IN865**: frequency bands IN865
1169 +* **RU864**: frequency bands RU864
1170 +* **KZ865: **frequency bands KZ865
1729 1729  
1172 +1. Packing Info
1730 1730  
1731 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1732 -
1733 -(% style="color:blue" %)**Connection method:**
1734 -
1735 -[[image:image-20221130104310-12.png]]
1736 -
1737 -
1738 -(% style="color:blue" %)**Link situation:**
1739 -
1740 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1741 -
1742 -
1743 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1744 -
1745 -
1746 -== 6.8 Where to get the decoder for RS485-LN? ==
1747 -
1748 -
1749 -The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1750 -
1751 -
1752 -= 7. Trouble Shooting =
1753 -
1754 -== 7.1 Downlink doesn't work, how to solve it? ==
1755 -
1756 -
1757 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1758 -
1759 -
1760 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1761 -
1762 -
1763 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1764 -
1765 -
1766 -= 8. Order Info =
1767 -
1768 -
1769 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1770 -
1771 -(% style="color:blue" %)**XXX:**
1772 -
1773 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1774 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1775 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1776 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1777 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1778 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1779 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1780 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1781 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1782 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1783 -
1784 -
1785 -
1786 -= 9. Packing Info =
1787 -
1788 -
1789 1789  **Package Includes**:
1790 1790  
1791 -* RS485-LN x 1
1176 +* RS485-BL x 1
1792 1792  * Stick Antenna for LoRa RF part x 1
1793 1793  * Program cable x 1
1794 1794  
... ... @@ -1799,69 +1799,9 @@
1799 1799  * Package Size / pcs : 14.5 x 8 x 5 cm
1800 1800  * Weight / pcs : 170g
1801 1801  
1187 +1. Support
1802 1802  
1189 +* 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.
1190 +* 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
1803 1803  
1804 -= 10. FCC Caution for RS485LN-US915 =
1805 -
1806 -
1807 -(((
1808 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1809 -)))
1810 -
1811 -(((
1812 -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.
1813 -)))
1814 -
1815 -(((
1816 -
1817 -)))
1818 -
1819 -(((
1820 -(% style="color:red" %)**IMPORTANT NOTE:**
1821 -)))
1822 -
1823 -(((
1824 -(% style="color:red" %)**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:
1825 -)))
1826 -
1827 -(((
1828 -—Reorient or relocate the receiving antenna.
1829 -)))
1830 -
1831 -(((
1832 -—Increase the separation between the equipment and receiver.
1833 -)))
1834 -
1835 -(((
1836 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1837 -)))
1838 -
1839 -(((
1840 -—Consult the dealer or an experienced radio/TV technician for help.
1841 -)))
1842 -
1843 -(((
1844 -
1845 -)))
1846 -
1847 -(((
1848 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1849 -)))
1850 -
1851 -(((
1852 -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.
1853 -)))
1854 -
1855 -
1856 -= 11. Support =
1857 -
1858 -
1859 -* (((
1860 -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.
1861 -)))
1862 -* (((
1863 -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]].
1864 -
1865 -
1866 -
1867 -)))
1192 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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