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

From version 102.14
edited by Xiaoling
on 2023/04/25 13:41
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To version 29.3
edited by Xiaoling
on 2022/05/23 09:37
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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  (((
... ... @@ -214,93 +214,70 @@
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 -
291 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
292 -|=(% style="width: 119px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
211 +(% border="1" style="background-color:#ffffcc; color:green; width:795px" %)
212 +|(((
293 293  **AT Commands**
294 -)))|=(% style="width: 116px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)(((
214 +)))|(% style="width:285px" %)(((
295 295  **Description**
296 -)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
216 +)))|(% style="width:347px" %)(((
297 297  **Example**
298 298  )))
299 -|(% style="width:119px" %)(((
219 +|(((
300 300  AT+BAUDR
301 -)))|(% style="width:116px" %)(((
221 +)))|(% style="width:285px" %)(((
302 302  Set the baud rate (for RS485 connection). Default Value is: 9600.
303 -)))|(% style="width:190px" %)(((
223 +)))|(% style="width:347px" %)(((
304 304  (((
305 305  AT+BAUDR=9600
306 306  )))
... ... @@ -309,11 +309,11 @@
309 309  Options: (1200,2400,4800,14400,19200,115200)
310 310  )))
311 311  )))
312 -|(% style="width:119px" %)(((
232 +|(((
313 313  AT+PARITY
314 -)))|(% style="width:116px" %)(((
234 +)))|(% style="width:285px" %)(((
315 315  Set UART parity (for RS485 connection)
316 -)))|(% style="width:190px" %)(((
236 +)))|(% style="width:347px" %)(((
317 317  (((
318 318  AT+PARITY=0
319 319  )))
... ... @@ -322,9 +322,9 @@
322 322  Option: 0: no parity, 1: odd parity, 2: even parity
323 323  )))
324 324  )))
325 -|(% style="width:119px" %)(((
245 +|(((
326 326  AT+STOPBIT
327 -)))|(% style="width:116px" %)(((
247 +)))|(% style="width:285px" %)(((
328 328  (((
329 329  Set serial stopbit (for RS485 connection)
330 330  )))
... ... @@ -332,7 +332,7 @@
332 332  (((
333 333  
334 334  )))
335 -)))|(% style="width:190px" %)(((
255 +)))|(% style="width:347px" %)(((
336 336  (((
337 337  AT+STOPBIT=0 for 1bit
338 338  )))
... ... @@ -346,1451 +346,914 @@
346 346  )))
347 347  )))
348 348  
349 -
350 -
351 351  === 3.3.2 Configure sensors ===
352 352  
353 -
354 354  (((
355 355  (((
356 -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.
357 -
358 -
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.
359 359  )))
360 360  )))
361 361  
362 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
363 -|=(% 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**
364 -|(% style="width:122px" %)AT+CFGDEV|(% style="width:196px" %)(((
365 -(((
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" %)(((
366 366  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
367 -)))
368 368  
369 -(((
370 370  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
371 -)))
372 372  
373 -(((
374 374  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
375 -)))
376 -)))|(% 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
377 377  
378 -
379 -
380 380  === 3.3.3 Configure read commands for each sampling ===
381 381  
382 -
383 383  (((
384 -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.
385 -
386 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
387 -
388 -This section describes how to achieve above goals.
389 -
390 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
391 -
392 -
393 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
394 -
395 -
396 -~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.
397 -
398 -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.
399 -
400 -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
401 -
402 -
403 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
404 -
405 -Below are examples for the how above AT Commands works.
406 -
407 -
408 -(% 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:
409 -
410 -(% border="1" style="background-color:#f2f2f2; width:499px" %)
411 -|(% style="width:496px" %)(((
412 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
413 -
414 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
415 -
416 -**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.
417 417  )))
418 418  
419 -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.
420 -
421 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
422 -
423 -
424 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
425 -
426 -(% border="1" style="background-color:#f2f2f2; width:510px" %)
427 -|(% style="width:510px" %)(((
428 -**AT+DATACUTx=a,b,c**
429 -
430 -* **a: length for the return of AT+COMMAND**
431 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
432 -* **c: define the position for valid value.  **
433 -)))
434 -
435 -**Examples:**
436 -
437 -
438 -* (% style="color:#037691" %)**Grab bytes**
439 -
440 -(% 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" %)​
441 -
442 -
443 -
444 -* (% style="color:#037691" %)**Grab a section**
445 -
446 -(% 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" %)​
447 -
448 -
449 -
450 -* (% style="color:#037691" %)**Grab different sections**
451 -
452 -(% 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" %)​
453 -
454 -
455 -)))
456 -
457 -=== 3.3.4 Compose the uplink payload ===
458 -
459 -
460 460  (((
461 -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.**
462 -
463 -
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.
464 464  )))
465 465  
466 466  (((
467 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
468 -
469 -
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.
470 470  )))
471 471  
472 472  (((
473 -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.
474 474  )))
475 475  
476 476  (((
477 -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.
478 478  )))
479 479  
480 480  (((
481 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
482 -
483 -
310 +**Command from RS485-BL to Sensor:**
484 484  )))
485 485  
486 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
487 -
488 -
489 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
490 -
491 -
492 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
493 -
494 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
495 -
496 -
497 -~1. PAYVER: Defined by AT+PAYVER
498 -
499 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
500 -
501 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
502 -
503 -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
504 -
505 -
506 -(% 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" %)​
507 -
508 -
509 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
510 -
511 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
512 -
513 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
514 -
515 -DATA3=the rest of Valid value of RETURN10= **30**
516 -
517 -
518 -(% 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:**
519 -
520 -
521 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
522 -
523 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
524 -
525 - * For US915 band, max 11 bytes for each uplink.
526 -
527 - ~* For all other bands: max 51 bytes for each uplink.
528 -
529 -
530 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
531 -
532 -(% 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)**
533 -
534 -
535 -
536 -Below are the uplink payloads:
537 -
538 -
539 -(% 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" %)​
540 -
541 -
542 -=== 3.3.5 Uplink on demand ===
543 -
544 -
545 -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.
546 -
547 -(% style="color:blue" %)**Downlink control command:**
548 -
549 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
550 -
551 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
552 -
553 -
554 -=== 3.3.6 Uplink on Interrupt ===
555 -
556 -
557 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
558 -
559 -
560 -(% 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" %)​
561 -
562 -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.
563 -
564 -
565 -== 3.4 Uplink Payload ==
566 -
567 -
568 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
569 -|=(% scope="row" style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
570 -Size(bytes)
571 -)))|(% style="background-color:#d9e2f3; color:#0070c0; width:80px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:360px" %)(((
572 -**Length depends on the return from the commands**
573 -)))
574 -|=(% style="width: 90px;" %)(((
575 -Value
576 -)))|(% style="width:114px" %)(((
577 -PAYLOAD_VER
578 -)))|(% style="width:353px" %)(((
579 -If the valid payload is too long and exceed the maximum
580 -
581 -support payload length in server, server will show payload not
582 -
583 -provided in the LoRaWAN server.
584 -)))
585 -
586 -(% 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"]]
587 -
588 -(% title="Click and drag to resize" %)​
589 -
590 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
591 -
592 -
593 -== 3.5 Configure RS485-LN via AT or Downlink ==
594 -
595 -
596 596  (((
597 -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.
598 598  )))
599 599  
600 600  (((
601 -There are two kinds of Commands:
318 +**Handle return from sensors to RS485-BL**:
602 602  )))
603 603  
604 -* (((
605 -(% 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]]
606 -)))
607 -
608 -* (((
609 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
610 -)))
611 -
612 612  (((
613 -
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**
614 614  )))
615 615  
616 -
617 -=== 3.5.1 Common Commands ===
618 -
619 -
620 -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]]
621 -
622 -
623 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
624 -
625 -
626 -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.
627 -
628 -
629 -(% 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"]]
630 -
631 -(% title="Click and drag to resize" %)​
632 -
633 -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)
634 -
635 -
636 -=== 3.5.3 Sensor related commands ===
637 -
638 -
639 -
640 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
641 -
642 -
643 -(((
644 -This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
645 -)))
646 -
647 -(((
648 -* (% style="color:#037691" %)**AT Command**
649 -
650 -(((
651 -(% 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
652 -)))
653 -)))
654 -
655 -(((
656 -
657 -)))
658 -
659 659  * (((
660 -(% style="color:#037691" %)**Downlink Payload**
326 +**AT+DATACUT**
661 661  )))
662 662  
663 663  (((
664 -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.
665 665  )))
666 666  
667 -(((
668 -Where:
669 -)))
670 -
671 671  * (((
672 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
334 +**AT+SEARCH**
673 673  )))
674 -* (((
675 -NN: The length of RS485 command
676 -)))
677 -* (((
678 -XX XX XX XX: RS485 command total NN bytes
679 -)))
680 -* (((
681 -(((
682 -YY: How many bytes will be uplink from the return of this RS485 command,
683 -)))
684 684  
685 -* (((
686 -if YY=0, RS485-LN will execute the downlink command without uplink;
687 -)))
688 -* (((
689 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
690 -)))
691 -* (((
692 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
693 -)))
694 -)))
695 -
696 696  (((
697 -
698 -
699 -(% 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.
700 700  )))
701 701  
702 702  (((
703 -To connect a Modbus Alarm with below commands.
342 +**Define wait timeout:**
704 704  )))
705 705  
706 -* (((
707 -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.
708 -)))
709 -
710 -* (((
711 -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.
712 -)))
713 -
714 714  (((
715 -
716 -
717 -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
718 718  )))
719 719  
720 720  (((
721 -(% 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**.
722 722  )))
723 723  
724 -(((
725 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
726 -)))
353 +**Examples:**
727 727  
728 -(((
729 -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.
730 -)))
355 +Below are examples for the how above AT Commands works.
731 731  
732 -(((
733 -
734 -)))
357 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
735 735  
736 -(((
737 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
738 -)))
359 +(% border="1" class="table-bordered" %)
360 +|(((
361 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
739 739  
740 -(((
741 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
742 -)))
363 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
743 743  
744 -(((
745 -
365 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
746 746  )))
747 747  
748 748  (((
749 -(((
750 -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.
751 751  )))
752 752  
753 -
754 -)))
755 -
756 756  (((
757 - (% 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.
758 758  )))
759 759  
760 -
761 -
762 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
763 -
764 -
765 765  (((
766 -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.
767 767  )))
768 768  
769 -(((
770 -* (% style="color:#037691" %)**AT Command:**
380 +(% border="1" class="table-bordered" %)
381 +|(((
382 +**AT+SEARCHx=aa,xx xx xx xx xx**
771 771  
772 -(% 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**
773 773  
774 774  
775 775  )))
776 776  
777 -* (((
778 -(% style="color:#037691" %)**Downlink Payload:**
779 -)))
390 +**Examples:**
780 780  
781 -(((
782 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
783 -)))
392 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
784 784  
785 -(((
786 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
787 -)))
394 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
788 788  
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**
789 789  
790 -**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]]
791 791  
400 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
792 792  
793 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
402 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
794 794  
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**
795 795  
406 +[[image:1653269438444-278.png]]
796 796  
797 -**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.
798 798  
410 +|(((
411 +**AT+DATACUTx=a,b,c**
799 799  
800 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
801 -
802 -
803 -
804 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
805 -
806 -
807 -(((
808 -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.  **
809 809  )))
810 810  
811 -(((
812 -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"]].
813 -)))
418 +Examples:
814 814  
815 -(((
816 -
817 -)))
420 +* Grab bytes:
818 818  
819 -* (((
820 -(% style="color:#037691" %)**AT Command:**
821 -)))
422 +[[image:1653269551753-223.png||height="311" width="717"]]
822 822  
823 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
424 +* Grab a section.
824 824  
825 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
426 +[[image:1653269568276-930.png||height="325" width="718"]]
826 826  
428 +* Grab different sections.
827 827  
828 -* (((
829 -(% style="color:#037691" %)**Downlink Payload:**
830 -)))
430 +[[image:1653269593172-426.png||height="303" width="725"]]
831 831  
832 -(((
833 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
432 +(% style="color:red" %)**Note:**
834 834  
835 -
836 -)))
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.
837 837  
838 -(((
839 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
436 +Example:
840 840  
841 -
842 -)))
438 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
843 843  
844 -(((
845 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
846 -)))
440 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
847 847  
848 -(((
849 -Where:
850 -)))
442 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
851 851  
852 -* (((
853 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
854 -)))
855 -* (((
856 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
857 -)))
858 -* (((
859 -LL:  The length of AT+COMMAND or AT+DATACUT command
860 -)))
861 -* (((
862 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
863 -)))
864 -* (((
865 -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.
866 -)))
444 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
867 867  
868 -(((
869 -
446 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
870 870  
871 -**Example:**
872 -)))
448 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
873 873  
874 -(((
875 -(% 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
876 -)))
450 +[[image:1653269618463-608.png]]
877 877  
878 -(((
879 -(% 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**
880 -)))
452 +=== 3.3.4 Compose the uplink payload ===
881 881  
882 882  (((
883 -(% 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.**
884 884  )))
885 885  
886 -
887 -
888 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
889 -
890 -
891 891  (((
892 -(% 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**
893 893  )))
894 894  
895 895  (((
896 -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**.
897 897  )))
898 898  
899 899  (((
900 -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
901 901  )))
902 902  
903 903  (((
904 -
471 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
905 905  )))
906 906  
907 907  (((
908 -**Example:**
475 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
909 909  )))
910 910  
911 -* (((
912 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
913 -)))
914 -* (((
915 -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.
916 -)))
917 -* (((
918 -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"]]
919 919  
920 -
921 -)))
922 922  
923 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
924 924  
925 -(% title="Click and drag to resize" %)​
482 +**Examples: AT+DATAUP=1**
926 926  
927 -(% 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**.
928 928  
486 +Final Payload is
929 929  
488 +Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA
930 930  
931 -==== (% 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
932 932  
496 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
933 933  
934 -(((
935 -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.
936 -)))
937 937  
938 -(((
939 -Default value: 0, range:  0 ~~ 65 seconds
940 -)))
499 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
941 941  
942 -(((
943 -* (% style="color:#037691" %)** AT Command:**
501 +DATA1=RETURN1 Valid Value = 20 20 0a 33 90 41
944 944  
945 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
946 -)))
503 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10= 02 aa 05 81 0a 20
947 947  
948 -(((
949 -
505 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = 20 20 20 2d 30
950 950  
951 -**Example:**
952 -)))
953 953  
954 -(((
955 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
956 -)))
957 957  
958 -(((
959 -
960 -)))
509 +Below are the uplink payloads:
961 961  
962 -* (((
963 -(% style="color:#037691" %)** Downlink Payload:**
964 -)))
511 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
965 965  
966 -(((
967 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
968 -)))
969 969  
970 -(((
971 -
514 +Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:
972 972  
973 -**Example:**
974 -)))
516 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
975 975  
976 -(((
977 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
978 -)))
518 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
979 979  
520 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
980 980  
522 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
981 981  
982 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
983 983  
984 984  
985 -(((
986 -Define to use one uplink or multiple uplinks for the sampling.
987 -)))
526 +1.
527 +11.
528 +111. Uplink on demand
988 988  
989 -(((
990 -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.
991 991  
992 -
993 -)))
532 +Downlink control command:
994 994  
995 -(((
996 -* (% style="color:#037691" %)** AT Command:**
534 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
997 997  
998 -(% style="color:#4472c4" %)** AT+DATAUP=0**
536 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
999 999  
1000 -(% style="color:#4472c4" %)** AT+DATAUP=1**
1001 1001  
1002 -
1003 -)))
1004 1004  
1005 -(% 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
1006 1006  
1007 -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]]
1008 1008  
546 +AT+INTMOD=0  Disable Interrupt
1009 1009  
1010 -* (((
1011 -(% style="color:#037691" %)** Downlink Payload:**
1012 -)))
548 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
1013 1013  
1014 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
550 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
1015 1015  
1016 -(% 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.
1017 1017  
1018 1018  
1019 -* (((
1020 -(% style="color:#037691" %)** AT Command:**
1021 -)))
555 +1.
556 +11. Uplink Payload
1022 1022  
1023 -(% 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)
1024 1024  
562 +&
1025 1025  
1026 -* (((
1027 -(% style="color:#037691" %)** Downlink Payload:**
1028 -)))
564 +Interrupt _Flag
565 +)))|(((
566 +PAYLOAD_VER
1029 1029  
1030 -(% 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.
1031 1031  
1032 -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.
1033 1033  
1034 1034  
574 +function Decoder(bytes, port) {
1035 1035  
1036 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
576 +~/~/Payload Formats of RS485-BL Deceive
1037 1037  
578 +return {
1038 1038  
1039 -(((
1040 -Ask device to send an uplink immediately.
1041 -)))
580 + ~/~/Battery,units:V
1042 1042  
1043 -* (((
1044 -(% style="color:#037691" %)** AT Command:**
1045 -)))
582 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
1046 1046  
1047 -(((
1048 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1049 -)))
584 + ~/~/GPIO_EXTI 
1050 1050  
1051 -(((
1052 -
1053 -)))
586 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1054 1054  
1055 -* (((
1056 -(% style="color:#037691" %)** Downlink Payload:**
1057 -)))
588 + ~/~/payload of version
1058 1058  
1059 -(((
1060 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1061 -)))
590 + Pay_ver:bytes[2],
1062 1062  
592 + };
1063 1063  
594 + }
1064 1064  
1065 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1066 1066  
1067 1067  
1068 -(((
1069 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1070 1070  
1071 -
1072 -)))
1073 1073  
1074 -* (((
1075 -(% style="color:#037691" %)** AT Command:**
1076 -)))
1077 1077  
1078 -(((
1079 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1080 -)))
1081 1081  
1082 -(((
1083 -
602 +TTN V3 uplink screen shot.
1084 1084  
1085 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1086 -)))
604 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1087 1087  
1088 -(((
1089 -Example screen shot after clear all RS485 commands. 
1090 -)))
606 +1.
607 +11. Configure RS485-BL via AT or Downlink
1091 1091  
1092 -(((
1093 -
1094 -)))
609 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1095 1095  
1096 -(((
1097 -The uplink screen shot is:
1098 -)))
611 +There are two kinds of Commands:
1099 1099  
1100 -(% 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
1101 1101  
615 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1102 1102  
1103 -* (((
1104 -(% style="color:#037691" %)** Downlink Payload:**
1105 -)))
617 +1.
618 +11.
619 +111. Common Commands:
1106 1106  
1107 -(((
1108 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1109 -)))
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]]
1110 1110  
1111 1111  
624 +1.
625 +11.
626 +111. Sensor related commands:
1112 1112  
1113 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
628 +==== Choose Device Type (RS485 or TTL) ====
1114 1114  
630 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1115 1115  
1116 -(((
1117 -Set the Rs485 serial communication parameters:
1118 -)))
632 +* AT Command
1119 1119  
1120 -(((
1121 -(% style="color:#037691" %)**AT Command:**
1122 -)))
634 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1123 1123  
1124 -(((
1125 -* Set Baud Rate
1126 -)))
636 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1127 1127  
1128 -(% 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
1129 1129  
639 +* Downlink Payload
1130 1130  
1131 -(((
1132 -* Set UART Parity
1133 -)))
641 +**0A aa**     à same as AT+MOD=aa
1134 1134  
1135 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1136 1136  
1137 1137  
1138 -(((
1139 -* Set STOPBIT
1140 -)))
645 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1141 1141  
1142 -(% 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.
1143 1143  
649 +* AT Command
1144 1144  
1145 -(((
1146 -(% style="color:#037691" %)**Downlink Payload:**
1147 -)))
651 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1148 1148  
1149 -(((
1150 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1151 -)))
653 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1152 1152  
1153 -(((
1154 -**Example:**
1155 -)))
1156 1156  
1157 -* (((
1158 -A7 01 00 60  same as AT+BAUDR=9600
1159 -)))
1160 -* (((
1161 -A7 01 04 80  same as AT+BAUDR=115200
1162 -)))
1163 1163  
1164 -(((
1165 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1166 -)))
657 +* Downlink Payload
1167 1167  
1168 -(((
1169 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1170 -)))
659 +Format: A8 MM NN XX XX XX XX YY
1171 1171  
661 +Where:
1172 1172  
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
1173 1173  
668 +**Example 1:**
1174 1174  
1175 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
670 +To connect a Modbus Alarm with below commands.
1176 1176  
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.
1177 1177  
1178 -* (((
1179 -(% style="color:#037691" %)** AT Command:**
1180 -)))
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.
1181 1181  
1182 -(% 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:
1183 1183  
1184 -(% 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
1185 1185  
1186 -* (((
1187 -(% style="color:#037691" %)**Downlink Payload:**
1188 -)))
680 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1189 1189  
1190 -(% 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.
1191 1191  
1192 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1193 1193  
685 +**Example 2:**
1194 1194  
687 +Check TTL Sensor return:
1195 1195  
1196 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
689 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1197 1197  
1198 -(((
1199 -
1200 -)))
1201 1201  
1202 -* (((
1203 -(% style="color:#037691" %)** AT Command:**
1204 -)))
1205 1205  
1206 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1207 1207  
1208 -(% style="color:#4472c4" %)** AT+DECRYPT= ** (%%) ~/~/ Encrypt when uploading payload (default)
694 +==== Set Payload version ====
1209 1209  
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.
1210 1210  
698 +* AT Command:
1211 1211  
1212 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
700 +AT+PAYVER: Set PAYVER field = 1
1213 1213  
1214 1214  
1215 -* (((
1216 -(% style="color:#037691" %)** AT Command:**
1217 -)))
703 +* Downlink Payload:
1218 1218  
1219 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=**(%%) ~/~/ The serial port gets the reading of the current sensor
705 +0xAE 01   à Set PAYVER field 0x01
1220 1220  
1221 -(% 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
1222 1222  
1223 1223  
710 +==== Set RS485 Sampling Commands ====
1224 1224  
1225 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
712 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1226 1226  
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]].
1227 1227  
1228 -* (((
1229 -(% style="color:#037691" %)** AT Command:**
1230 -)))
1231 1231  
1232 -(% 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:
1233 1233  
1234 -(% 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.
1235 1235  
721 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1236 1236  
723 +AT+SEARCHx: Configure search command
1237 1237  
1238 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1239 1239  
726 +* Downlink Payload:
1240 1240  
1241 -* (((
1242 -(% style="color:#037691" %)** AT Command:**
1243 -)))
728 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1244 1244  
1245 - (% 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.
1246 1246  
1247 - (% 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
1248 1248  
734 +Where:
1249 1249  
1250 -* (((
1251 -(% style="color:#037691" %)** Downlink Payload:**
1252 -)))
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.
1253 1253  
1254 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
742 +Example:
1255 1255  
744 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1256 1256  
746 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1257 1257  
1258 -==== (% 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**
1259 1259  
1260 1260  
1261 -* (((
1262 -(% style="color:#037691" %)** AT Command:**
1263 -)))
751 +0xAB downlink command can be used for set AT+SEARCHx
1264 1264  
1265 -(% 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
1266 1266  
1267 -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
1268 1268  
758 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1269 1269  
1270 -[[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"]]
1271 1271  
1272 -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 ====
1273 1273  
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]].
1274 1274  
765 +This command is valid since v1.3 firmware version
1275 1275  
1276 -[[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"]]
1277 1277  
1278 -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:
1279 1279  
770 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1280 1280  
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.
1281 1281  
1282 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
774 +* AT+MBFUN=0: Disable Modbus fast reading.
1283 1283  
776 +Example:
1284 1284  
1285 -(((
1286 -* (% 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.
1287 1287  
1288 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1289 -)))
782 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1290 1290  
1291 1291  
1292 -Example
785 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1293 1293  
1294 1294  
1295 -[[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:
1296 1296  
790 +A9 aa -à Same as AT+MBFUN=aa
1297 1297  
1298 1298  
1299 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
793 +==== RS485 command timeout ====
1300 1300  
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.
1301 1301  
1302 -* (((
1303 -(% style="color:#037691" %)** AT Command:**
1304 -)))
797 +Default value: 0, range:  0 ~~ 5 seconds
1305 1305  
1306 -(% 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.
1307 1307  
1308 -(% 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:
1309 1309  
1310 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
802 +AT+CMDDLaa=hex(bb cc)
1311 1311  
804 +Example:
1312 1312  
1313 -* (((
1314 -(% style="color:#037691" %)**Downlink Payload:**
1315 -)))
806 +**AT+CMDDL1=1000** to send the open time to 1000ms
1316 1316  
1317 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1318 1318  
1319 -[[image:image-20220824144240-1.png]]
809 +* Downlink Payload:
1320 1320  
811 +0x AA aa bb cc
1321 1321  
1322 -== 3.6 Listening mode for RS485 network ==
813 +Same as: AT+CMDDLaa=hex(bb cc)
1323 1323  
815 + Example:
1324 1324  
1325 -(((
1326 -This feature support since firmware v1.4
1327 -)))
817 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1328 1328  
1329 -(((
1330 -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.
1331 1331  
1332 -
1333 -)))
820 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
1334 1334  
1335 -(% 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.
1336 1336  
1337 -(% title="Click and drag to resize" %)​
824 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1338 1338  
1339 -(((
1340 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1341 -)))
826 +* AT Command:
1342 1342  
828 +AT+DATAUP=0
1343 1343  
830 +AT+DATAUP=1
1344 1344  
1345 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
1346 -|=(% style="width: 156px; background-color:#D9E2F3;color:#0070C0" %)(((
1347 -**Command example**
1348 -)))|=(% style="width: 355px; background-color:#D9E2F3;color:#0070C0" %)(((
1349 -**Function**
1350 -)))
1351 -|(% style="width:156px" %)(((
1352 -AT+RXMODE=1,10
1353 -)))|(% style="width:352px" %)(((
1354 -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.
1355 -)))
1356 -|(% style="width:156px" %)(((
1357 -AT+RXMODE=2,500
1358 -)))|(% style="width:352px" %)(((
1359 -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
1360 -)))
1361 -|(% style="width:156px" %)(((
1362 -AT+RXMODE=0,0
1363 -)))|(% style="width:352px" %)(((
1364 -Disable listening mode. This is the default settings.
1365 -)))
1366 -|(% style="width:156px" %)(((
1367 -
1368 -)))|(% style="width:352px" %)(((
1369 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1370 -)))
1371 1371  
1372 -(((
1373 -
833 +* Downlink Payload:
1374 1374  
1375 -(% style="color:#037691" %)**Downlink Command:**
1376 -)))
835 +0xAD 00   à Same as AT+DATAUP=0
1377 1377  
1378 -(((
1379 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1380 -)))
837 +0xAD 01   à Same as AT+DATAUP=1
1381 1381  
1382 -(((
1383 -
1384 -)))
1385 1385  
1386 -(((
1387 -**Example**:
1388 -)))
840 +==== Manually trigger an Uplink ====
1389 1389  
1390 -(((
1391 -The RS485-LN is set to AT+RXMODE=2,1000
1392 -)))
842 +Ask device to send an uplink immediately.
1393 1393  
1394 -(((
1395 -There is a two Modbus commands in the RS485 network as below:
1396 -)))
844 +* Downlink Payload:
1397 1397  
1398 -(((
1399 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1400 -)))
846 +0x08 FF, RS485-BL will immediately send an uplink.
1401 1401  
1402 -(((
1403 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1404 -)))
1405 1405  
1406 -(((
1407 -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 ====
1408 1408  
1409 -
1410 -)))
851 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1411 1411  
1412 -(((
1413 -(% 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" %)​
1414 -)))
1415 1415  
854 +* AT Command:
1416 1416  
856 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1417 1417  
1418 -(((
1419 -(% 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.**
1420 -)))
858 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1421 1421  
860 +Example screen shot after clear all RS485 commands. 
1422 1422  
1423 -== 3.7 Buttons ==
1424 1424  
1425 1425  
1426 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1427 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**Button**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1428 -|(% 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**
1429 -|(% style="width:50px" %)RST|(% style="width:361px" %)Reboot RS485
1430 -|(% 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:
1431 1431  
866 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1432 1432  
1433 1433  
1434 -== 3.8 LEDs ==
869 +* Downlink Payload:
1435 1435  
871 +0x09 aa bb same as AT+CMDEAR=aa,bb
1436 1436  
1437 -(% border="1.5" cellspacing="4" style="background-color:#f2f2f2; width:430px" %)
1438 -|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**LEDs**|=(% style="width: 380px;background-color:#D9E2F3;color:#0070C0" %)**Feature**
1439 -|PWR|Always on if there is power
1440 -|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.
1441 1441  
874 +==== Set Serial Communication Parameters ====
1442 1442  
876 +Set the Rs485 serial communication parameters:
1443 1443  
1444 -= 4. Case Study =
878 +* AT Command:
1445 1445  
880 +Set Baud Rate:
1446 1446  
1447 -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)
1448 1448  
1449 1449  
1450 -= 5. Use AT Command =
885 +Set UART parity
1451 1451  
1452 -== 5.1 Access AT Command ==
887 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1453 1453  
1454 1454  
1455 -(((
1456 -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
1457 1457  
1458 -
1459 -)))
892 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1460 1460  
1461 -(% 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" %)​
1462 1462  
895 +* Downlink Payload:
1463 1463  
897 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1464 1464  
1465 -(((
1466 -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:
1467 1467  
1468 -
1469 -)))
901 +* A7 01 00 60   same as AT+BAUDR=9600
902 +* A7 01 04 80  same as AT+BAUDR=115200
1470 1470  
1471 -(% 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)
1472 1472  
906 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1473 1473  
1474 -(((
1475 -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/]]
1476 -)))
1477 1477  
909 +==== Control output power duration ====
1478 1478  
1479 -== 5.2 Common AT Command Sequence ==
911 +User can set the output power duration before each sampling.
1480 1480  
1481 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
913 +* AT Command:
1482 1482  
915 +Example:
1483 1483  
1484 -If device has not joined network yet:
917 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1485 1485  
1486 -* (% style="color:#037691" %)**AT+FDR**
1487 -* (% style="color:#037691" %)**AT+NJM=0**
1488 -* (% style="color:#037691" %)**ATZ**
919 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1489 1489  
1490 -(((
1491 -
1492 1492  
1493 -If device already joined network:
922 +* LoRaWAN Downlink Command:
1494 1494  
1495 -* (% style="color:#037691" %)**AT+NJM=0**
1496 -* (% style="color:#037691" %)**ATZ**
1497 -)))
924 +07 01 aa bb  Same as AT+5VT=(aa bb)
1498 1498  
926 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1499 1499  
1500 1500  
1501 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1502 1502  
1503 1503  
1504 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
931 +1.
932 +11. Buttons
1505 1505  
1506 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
934 +|**Button**|**Feature**
935 +|**RST**|Reboot RS485-BL
1507 1507  
1508 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
937 +1.
938 +11. +3V3 Output
1509 1509  
1510 -(% 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.
1511 1511  
1512 -(% 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. 
1513 1513  
1514 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1515 1515  
1516 -(% 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.
1517 1517  
1518 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
947 +**AT+3V3T=1000**
1519 1519  
1520 -(% 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.
1521 1521  
1522 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1523 1523  
952 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1524 1524  
1525 -(% style="color:red" %)**Note:**
1526 1526  
1527 -(((
1528 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1529 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1530 -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.
1531 -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
1532 1532  
1533 -
1534 -)))
958 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1535 1535  
1536 -(% 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
1537 1537  
1538 1538  
1539 -= 6. FAQ =
963 +The 5V output time can be controlled by AT Command.
1540 1540  
1541 -== 6.1 How to upgrade the image? ==
965 +**AT+5VT=1000**
1542 1542  
967 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1543 1543  
1544 -(((
1545 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1546 -)))
1547 1547  
1548 -* (((
1549 -Support new features
1550 -)))
1551 -* (((
1552 -For bug fix
1553 -)))
1554 -* (((
1555 -Change LoRaWAN bands.
1556 -)))
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.
1557 1557  
1558 -(((
1559 -Below shows the hardware connection for how to upload an image to RS485-LN:
1560 -)))
1561 1561  
1562 -(% 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"]]
1563 1563  
1564 -(% title="Click and drag to resize" %)​
1565 1565  
1566 -(((
1567 -(% 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
1568 1568  
1569 -
1570 -)))
978 +|**LEDs**|**Feature**
979 +|**LED1**|Blink when device transmit a packet.
1571 1571  
1572 -(((
1573 -(% 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
1574 1574  
1575 -
1576 -)))
984 +|**Switch Jumper**|**Feature**
985 +|**SW1**|(((
986 +ISP position: Upgrade firmware via UART
1577 1577  
1578 -(((
1579 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1580 -
1581 -
988 +Flash position: Configure device, check running status.
1582 1582  )))
990 +|**SW2**|(((
991 +5V position: set to compatible with 5v I/O.
1583 1583  
1584 -(((
1585 -(((
1586 -(((
1587 -(% 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.,
1588 1588  )))
1589 -)))
1590 -)))
1591 1591  
996 ++3.3V: is always ON
1592 1592  
1593 -(% 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.
1594 1594  
1000 +1. Case Study
1595 1595  
1596 -(% 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.
1597 1597  
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]]
1598 1598  
1599 -(% 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" %)​
1600 1600  
1601 1601  
1602 -(% 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:**
1603 1603  
1604 -(% 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
1605 1605  
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.
1606 1606  
1607 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1014 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1608 1608  
1609 1609  
1610 -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:
1611 1611  
1019 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1612 1612  
1613 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1614 1614  
1615 1615  
1616 -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]]
1617 1617  
1618 1618  
1619 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1620 1620  
1027 +1.
1028 +11. Common AT Command Sequence
1029 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1621 1621  
1622 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1031 +If device has not joined network yet:
1623 1623  
1624 -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
1625 1625  
1035 +AT+NJM=0
1626 1626  
1627 -== 6.5 Can i use point to point communication for RS485-LN? ==
1037 +ATZ
1628 1628  
1629 1629  
1630 -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:
1631 1631  
1042 +AT+NJM=0
1632 1632  
1633 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1044 +ATZ
1634 1634  
1046 +1.
1047 +11.
1048 +111. Single-channel ABP mode (Use with LG01/LG02)
1635 1635  
1636 -[[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
1637 1637  
1052 +AT+NJM=0 Set to ABP mode
1638 1638  
1639 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1054 +AT+ADR=0 Set the Adaptive Data Rate Off
1640 1640  
1641 -=== 6.7.1 Introduce: ===
1056 +AT+DR= Set Data Rate
1642 1642  
1058 +AT+TDC=60000  Set transmit interval to 60 seconds
1643 1643  
1644 -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
1645 1645  
1646 -1. Test if Modbus-MTU works with PC commands.
1647 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1648 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1649 -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)
1650 1650  
1651 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1064 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1652 1652  
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.
1653 1653  
1654 -Example Connection:
1068 +ATZ          Reset MCU
1655 1655  
1656 -[[image:image-20221130104310-2.png]]
1070 +**Note:**
1657 1657  
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
1658 1658  
1659 -=== 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]]
1660 1660  
1661 1661  
1662 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1080 +1. FAQ
1081 +11. How to upgrade the image?
1663 1663  
1664 -[[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:
1665 1665  
1085 +* Support new features
1086 +* For bug fix
1087 +* Change LoRaWAN bands.
1666 1666  
1667 -=== 6.7.3 With ModRSsim2: ===
1089 +Below shows the hardware connection for how to upload an image to RS485-BL:
1668 1668  
1091 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1669 1669  
1670 -(% 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]].
1671 1671  
1672 -[[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/]].
1673 1673  
1097 +**Step3: **Open flashloader; choose the correct COM port to update.
1674 1674  
1675 -(% style="color:blue" %)**(2) Click the serial port icon**
1676 1676  
1677 -[[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 +)))
1678 1678  
1104 +|(((
1105 +Board detected
1106 +)))
1679 1679  
1680 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1108 +|(((
1109 +
1110 +)))
1681 1681  
1682 -[[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]]
1683 1683  
1684 1684  
1685 -(% style="color:blue" %)**(4) Click the comms.**
1686 1686  
1687 -[[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]]
1688 1688  
1689 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1690 -**Run RS485-LN/BL command and monitor if it is correct.**
1691 1691  
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]]
1692 1692  
1693 -=== 6.7.4 Example – Test the CFGDEV command ===
1694 1694  
1122 +1.
1123 +11. How to change the LoRa Frequency Bands/Region?
1695 1695  
1696 -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.
1697 1697  
1698 -(% 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.
1699 1699  
1700 1700  
1701 -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?
1702 1702  
1703 -[[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]].
1704 1704  
1705 1705  
1706 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1707 1707  
1708 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1709 1709  
1137 +1. Trouble Shooting     
1138 +11. Downlink doesn’t work, how to solve it?
1710 1710  
1711 -=== 6.7.5 Example – Test CMD command sets. ===
1140 +Please see this link for debug:
1712 1712  
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]] 
1713 1713  
1714 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1715 1715  
1716 1716  
1717 -(% style="color:blue" %)**Serial port tool:**
1146 +1.
1147 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1718 1718  
1719 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1149 +It might about the channels mapping. Please see for detail.
1720 1720  
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]]
1721 1721  
1722 -(% style="color:blue" %)**ModRSsim2:**
1723 1723  
1724 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1725 1725  
1155 +1. Order Info
1726 1726  
1727 -=== 6.7.6 Test with PC ===
1157 +**Part Number: RS485-BL-XXX**
1728 1728  
1159 +**XXX:**
1729 1729  
1730 -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
1731 1731  
1172 +1. Packing Info
1732 1732  
1733 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1734 -
1735 -(% style="color:blue" %)**Connection method:**
1736 -
1737 -[[image:image-20221130104310-12.png]]
1738 -
1739 -
1740 -(% style="color:blue" %)**Link situation:**
1741 -
1742 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1743 -
1744 -
1745 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1746 -
1747 -
1748 -== 6.8 Where to get the decoder for RS485-LN? ==
1749 -
1750 -
1751 -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)
1752 -
1753 -
1754 -= 7. Trouble Shooting =
1755 -
1756 -== 7.1 Downlink doesn't work, how to solve it? ==
1757 -
1758 -
1759 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1760 -
1761 -
1762 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1763 -
1764 -
1765 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1766 -
1767 -
1768 -= 8. Order Info =
1769 -
1770 -
1771 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1772 -
1773 -(% style="color:blue" %)**XXX:**
1774 -
1775 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1776 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1777 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1778 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1779 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1780 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1781 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1782 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1783 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1784 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1785 -
1786 -
1787 -
1788 -= 9. Packing Info =
1789 -
1790 -
1791 1791  **Package Includes**:
1792 1792  
1793 -* RS485-LN x 1
1176 +* RS485-BL x 1
1794 1794  * Stick Antenna for LoRa RF part x 1
1795 1795  * Program cable x 1
1796 1796  
... ... @@ -1801,69 +1801,9 @@
1801 1801  * Package Size / pcs : 14.5 x 8 x 5 cm
1802 1802  * Weight / pcs : 170g
1803 1803  
1187 +1. Support
1804 1804  
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
1805 1805  
1806 -= 10. FCC Caution for RS485LN-US915 =
1807 -
1808 -
1809 -(((
1810 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1811 -)))
1812 -
1813 -(((
1814 -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.
1815 -)))
1816 -
1817 -(((
1818 -
1819 -)))
1820 -
1821 -(((
1822 -(% style="color:red" %)**IMPORTANT NOTE:**
1823 -)))
1824 -
1825 -(((
1826 -(% 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:
1827 -)))
1828 -
1829 -(((
1830 -—Reorient or relocate the receiving antenna.
1831 -)))
1832 -
1833 -(((
1834 -—Increase the separation between the equipment and receiver.
1835 -)))
1836 -
1837 -(((
1838 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1839 -)))
1840 -
1841 -(((
1842 -—Consult the dealer or an experienced radio/TV technician for help.
1843 -)))
1844 -
1845 -(((
1846 -
1847 -)))
1848 -
1849 -(((
1850 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1851 -)))
1852 -
1853 -(((
1854 -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.
1855 -)))
1856 -
1857 -
1858 -= 11. Support =
1859 -
1860 -
1861 -* (((
1862 -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.
1863 -)))
1864 -* (((
1865 -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]].
1866 -
1867 -
1868 -
1869 -)))
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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