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Last modified by Mengting Qiu on 2025/07/14 09:59
From version 40.1
edited by Xiaoling
on 2022/06/02 16:33
Change comment: Uploaded new attachment "image-20220602163333-5.png", version {1}
To version 68.1
edited by Bei Jinggeng
on 2022/08/06 09:30
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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
... ... @@ -1,17 +1,38 @@
1 -(% style="text-align:center" %)
2 -[[image:1653266934636-343.png||height="385" width="385"]]
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" %)​
3 3  
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 +)))
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
12 +
13 +
14 +
15 +
16 +
17 +
18 +
19 +
9 9  **Table of Contents:**
10 10  
22 +{{toc/}}
11 11  
12 12  
25 +(% aria-label="macro:toc widget" contenteditable="false" role="region" tabindex="-1" %)
26 +(((
27 +(% 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"]]
28 +)))
13 13  
14 14  
31 +
32 +
33 +
34 +
35 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,25 +18,39 @@
18 18  
19 19  (((
20 20  (((
42 +(((
43 +
44 +
21 21  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.
22 22  )))
47 +)))
23 23  
24 24  (((
50 +(((
25 25  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.
26 26  )))
53 +)))
27 27  
28 28  (((
56 +(((
29 29  (% 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.
30 30  )))
59 +)))
31 31  
32 32  (((
62 +(((
33 33  (% 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.
64 +)))
34 34  
66 +(((
35 35  (% 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]]
68 +
69 +
36 36  )))
37 37  )))
72 +)))
38 38  
39 -[[image:1653267211009-519.png||height="419" width="724"]]
74 +(% 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" %)​
40 40  
41 41  
42 42  == 1.2 Specifications ==
... ... @@ -74,10 +74,13 @@
74 74  * Preamble detection.
75 75  * 127 dB Dynamic Range RSSI.
76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 -* Packet engine up to 256 bytes with CRC.
112 +* Packet engine up to 256 bytes with CRC
78 78  
114 +
115 +
79 79  == 1.3 Features ==
80 80  
118 +
81 81  * LoRaWAN Class A & Class C protocol (default Class C)
82 82  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
83 83  * AT Commands to change parameters
... ... @@ -87,8 +87,11 @@
87 87  * Support Modbus protocol
88 88  * Support Interrupt uplink (Since hardware version v1.2)
89 89  
128 +
129 +
90 90  == 1.4 Applications ==
91 91  
132 +
92 92  * Smart Buildings & Home Automation
93 93  * Logistics and Supply Chain Management
94 94  * Smart Metering
... ... @@ -96,19 +96,29 @@
96 96  * Smart Cities
97 97  * Smart Factory
98 98  
140 +
141 +
99 99  == 1.5 Firmware Change log ==
100 100  
144 +
101 101  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
102 102  
103 103  
148 +
104 104  == 1.6 Hardware Change log ==
105 105  
151 +
106 106  (((
107 107  (((
154 +(((
108 108  v1.2: Add External Interrupt Pin.
156 +)))
109 109  
158 +(((
110 110  v1.0: Release
160 +)))
111 111  
162 +
112 112  
113 113  )))
114 114  )))
... ... @@ -115,6 +115,7 @@
115 115  
116 116  = 2. Power ON Device =
117 117  
169 +
118 118  (((
119 119  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
120 120  
... ... @@ -125,8 +125,9 @@
125 125  Once there is power, the RS485-LN will be on.
126 126  )))
127 127  
128 -[[image:1653268091319-405.png]]
180 +(% 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" %)​
129 129  
182 +
130 130  
131 131  )))
132 132  
... ... @@ -134,17 +134,22 @@
134 134  
135 135  == 3.1 How it works? ==
136 136  
190 +
137 137  (((
192 +(((
138 138  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.
194 +)))
139 139  
196 +
140 140  
141 141  )))
142 142  
143 143  == 3.2 Example to join LoRaWAN network ==
144 144  
202 +
145 145  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. 
146 146  
147 -[[image:1653268155545-638.png||height="334" width="724"]]
205 +(% 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" %)​
148 148  
149 149  
150 150  (((
... ... @@ -156,14 +156,15 @@
156 156  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
157 157  )))
158 158  
159 -[[image:1653268227651-549.png||height="592" width="720"]]
217 +(% 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" %)​
160 160  
219 +
161 161  (((
162 -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:
221 +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:
163 163  )))
164 164  
165 165  (((
166 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
225 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
167 167  )))
168 168  
169 169  (((
... ... @@ -171,8 +171,9 @@
171 171  )))
172 172  )))
173 173  
174 -[[image:1652953462722-299.png]]
233 +(% 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" %)​
175 175  
235 +
176 176  (((
177 177  (((
178 178  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -179,65 +179,75 @@
179 179  )))
180 180  
181 181  (((
182 -Add APP EUI in the application.
242 +**Add APP EUI in the application.**
183 183  )))
184 184  )))
185 185  
186 -[[image:image-20220519174512-1.png]]
246 +(% 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" %)​
187 187  
188 -[[image:image-20220519174512-2.png||height="323" width="720"]]
248 +(% 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" %)​
189 189  
190 -[[image:image-20220519174512-3.png||height="556" width="724"]]
250 +(% 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" %)​
191 191  
192 -[[image:image-20220519174512-4.png]]
252 +(% 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"]](% title="Click and drag to resize" %)​
193 193  
194 194  You can also choose to create the device manually.
195 195  
196 -[[image:1652953542269-423.png||height="710" width="723"]]
256 +(% 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" %)​
197 197  
198 -Add APP KEY and DEV EUI
199 199  
200 -[[image:1652953553383-907.png||height="514" width="724"]]
201 201  
260 +**Add APP KEY and DEV EUI**
202 202  
262 +(% 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" %)​
263 +
264 +
203 203  (((
204 -**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.
266 +(% 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.
205 205  )))
206 206  
207 -[[image:1652953568895-172.png||height="232" width="724"]]
269 +(% 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" %)​
208 208  
209 209  
272 +
210 210  == 3.3 Configure Commands to read data ==
211 211  
275 +
212 212  (((
213 213  (((
214 -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.
278 +(((
279 +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.
215 215  )))
281 +)))
216 216  
217 217  (((
218 -(% 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
284 +(((
285 +(% 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**
286 +)))
219 219  
288 +
220 220  
221 221  )))
222 222  )))
223 223  
224 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
225 225  
295 +
226 226  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:
227 227  
228 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
229 -|(% style="width:128px" %)(((
298 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
299 +|=(% style="width: 110px;" %)(((
230 230  **AT Commands**
231 -)))|(% style="width:305px" %)(((
301 +)))|=(% style="width: 190px;" %)(((
232 232  **Description**
233 -)))|(% style="width:346px" %)(((
303 +)))|=(% style="width: 190px;" %)(((
234 234  **Example**
235 235  )))
236 -|(% style="width:128px" %)(((
306 +|(% style="width:110px" %)(((
237 237  AT+BAUDR
238 -)))|(% style="width:305px" %)(((
308 +)))|(% style="width:190px" %)(((
239 239  Set the baud rate (for RS485 connection). Default Value is: 9600.
240 -)))|(% style="width:346px" %)(((
310 +)))|(% style="width:190px" %)(((
241 241  (((
242 242  AT+BAUDR=9600
243 243  )))
... ... @@ -246,11 +246,11 @@
246 246  Options: (1200,2400,4800,14400,19200,115200)
247 247  )))
248 248  )))
249 -|(% style="width:128px" %)(((
319 +|(% style="width:110px" %)(((
250 250  AT+PARITY
251 -)))|(% style="width:305px" %)(((
321 +)))|(% style="width:190px" %)(((
252 252  Set UART parity (for RS485 connection)
253 -)))|(% style="width:346px" %)(((
323 +)))|(% style="width:190px" %)(((
254 254  (((
255 255  AT+PARITY=0
256 256  )))
... ... @@ -259,9 +259,9 @@
259 259  Option: 0: no parity, 1: odd parity, 2: even parity
260 260  )))
261 261  )))
262 -|(% style="width:128px" %)(((
332 +|(% style="width:110px" %)(((
263 263  AT+STOPBIT
264 -)))|(% style="width:305px" %)(((
334 +)))|(% style="width:190px" %)(((
265 265  (((
266 266  Set serial stopbit (for RS485 connection)
267 267  )))
... ... @@ -269,7 +269,7 @@
269 269  (((
270 270  
271 271  )))
272 -)))|(% style="width:346px" %)(((
342 +)))|(% style="width:190px" %)(((
273 273  (((
274 274  AT+STOPBIT=0 for 1bit
275 275  )))
... ... @@ -283,8 +283,10 @@
283 283  )))
284 284  )))
285 285  
356 +
286 286  === 3.3.2 Configure sensors ===
287 287  
359 +
288 288  (((
289 289  (((
290 290  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.
... ... @@ -291,18 +291,26 @@
291 291  )))
292 292  )))
293 293  
294 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
295 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
296 -|AT+CFGDEV|(% style="width:418px" %)(((
366 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
367 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
368 +|AT+CFGDEV|(% style="width:110px" %)(((
369 +(((
297 297  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
371 +)))
298 298  
373 +(((
299 299  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
375 +)))
300 300  
377 +(((
301 301  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
302 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
379 +)))
380 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
303 303  
382 +
304 304  === 3.3.3 Configure read commands for each sampling ===
305 305  
385 +
306 306  (((
307 307  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.
308 308  
... ... @@ -313,7 +313,7 @@
313 313  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
314 314  
315 315  
316 -**Each RS485 commands include two parts:**
396 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
317 317  
318 318  ~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.
319 319  
... ... @@ -324,15 +324,14 @@
324 324  
325 325  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
326 326  
327 -
328 328  Below are examples for the how above AT Commands works.
329 329  
330 330  
331 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
410 +(% 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:
332 332  
333 333  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
334 334  |(% style="width:496px" %)(((
335 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
414 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
336 336  
337 337  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
338 338  
... ... @@ -344,10 +344,10 @@
344 344  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
345 345  
346 346  
347 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
426 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
348 348  
349 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
350 -|(% style="width:722px" %)(((
428 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
429 +|(% style="width:510px" %)(((
351 351  **AT+DATACUTx=a,b,c**
352 352  
353 353  * **a: length for the return of AT+COMMAND**
... ... @@ -357,25 +357,27 @@
357 357  
358 358  **Examples:**
359 359  
360 -* Grab bytes:
439 +* (% style="color:#037691" %)**Grab bytes**
361 361  
362 -[[image:image-20220602153621-1.png]]
441 +(% 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" %)​
363 363  
364 364  
365 -* Grab a section.
444 +* (% style="color:#037691" %)**Grab a section**
366 366  
367 -[[image:image-20220602153621-2.png]]
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" %)​
368 368  
369 369  
370 -* Grab different sections.
449 +* (% style="color:#037691" %)**Grab different sections**
371 371  
372 -[[image:image-20220602153621-3.png]]
451 +(% 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" %)​
373 373  
453 +
374 374  
375 375  )))
376 376  
377 377  === 3.3.4 Compose the uplink payload ===
378 378  
459 +
379 379  (((
380 380  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.**
381 381  
... ... @@ -404,7 +404,7 @@
404 404  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
405 405  )))
406 406  
407 -[[image:1653269759169-150.png||height="513" width="716"]]
488 +(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% 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" %)​
408 408  
409 409  
410 410  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -416,12 +416,13 @@
416 416  
417 417  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
418 418  
500 +
419 419  1. PAYVER: Defined by AT+PAYVER
420 420  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
421 421  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
422 422  1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
423 423  
424 -[[image:image-20220602155039-4.png]]
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" %)​
425 425  
426 426  
427 427  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
... ... @@ -433,7 +433,7 @@
433 433  DATA3=the rest of Valid value of RETURN10= **30**
434 434  
435 435  
436 -(% 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:
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:**
437 437  
438 438   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
439 439  
... ... @@ -446,11 +446,13 @@
446 446  
447 447  Below are the uplink payloads:
448 448  
449 -[[image:1654157178836-407.png]]
531 +(% 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" %)​
450 450  
451 451  
534 +
452 452  === 3.3.5 Uplink on demand ===
453 453  
537 +
454 454  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.
455 455  
456 456  Downlink control command:
... ... @@ -463,600 +463,927 @@
463 463  
464 464  === 3.3.6 Uplink on Interrupt ===
465 465  
550 +
466 466  RS485-LN support external Interrupt uplink since hardware v1.2 release.
467 467  
468 -[[image:1654157342174-798.png]]
553 +(% 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" %)​
469 469  
470 470  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.
471 471  
472 472  
558 +
473 473  == 3.4 Uplink Payload ==
474 474  
475 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
476 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
477 -|Value|(% style="width:120px" %)(((
478 -Battery(mV)
479 479  
480 -&
562 +(% aria-label="image-20220606110929-1.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220606110929-1.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" %)​
481 481  
482 -Interrupt _Flag
483 -)))|(% style="width:116px" %)(((
484 -PAYLOAD_VER
564 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
485 485  
486 -
487 -)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
488 488  
489 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
490 490  
568 +== 3.5 Configure RS485-LN via AT or Downlink ==
491 491  
492 -== 3.5 Configure RS485-BL via AT or Downlink ==
493 493  
571 +(((
494 494  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
573 +)))
495 495  
575 +(((
496 496  There are two kinds of Commands:
577 +)))
497 497  
498 -* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
579 +* (((
580 +(% 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]]
581 +)))
499 499  
500 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
583 +* (((
584 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
585 +)))
501 501  
587 +(((
588 +
589 +)))
502 502  
503 503  
592 +
504 504  === 3.5.1 Common Commands ===
505 505  
595 +
506 506  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]]
507 507  
508 508  
509 -=== 3.5.2 Sensor related commands: ===
510 510  
511 -==== Choose Device Type (RS485 or TTL) ====
600 +=== 3.5.2 Sensor related commands ===
512 512  
513 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
514 514  
515 -* AT Command
603 +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.
516 516  
517 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
605 +(% 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"]](% title="Click and drag to resize" %)​
518 518  
519 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
607 +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)
520 520  
521 521  
522 -* Downlink Payload
523 523  
524 -**0A aa**     à same as AT+MOD=aa
611 +=== 3.5.3 Sensor related commands ===
525 525  
526 526  
527 527  
528 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
529 529  
530 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
616 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
531 531  
532 -* AT Command
618 +(((
619 +This command is used to configure the RS485 devices; they won’t be used during sampling.
620 +)))
533 533  
534 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
622 +* (((
623 +(% style="color:#037691" %)**AT Command**
535 535  
536 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
625 +(((
626 +**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
627 +)))
628 +)))
537 537  
630 +(((
631 +
632 +)))
538 538  
634 +* (((
635 +(% style="color:#037691" %)**Downlink Payload**
636 +)))
539 539  
540 -* Downlink Payload
541 -
638 +(((
542 542  Format: A8 MM NN XX XX XX XX YY
640 +)))
543 543  
642 +(((
544 544  Where:
644 +)))
545 545  
546 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
547 -* NN: The length of RS485 command
548 -* XX XX XX XX: RS485 command total NN bytes
549 -* 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
646 +* (((
647 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
648 +)))
649 +* (((
650 +NN: The length of RS485 command
651 +)))
652 +* (((
653 +XX XX XX XX: RS485 command total NN bytes
654 +)))
655 +* (((
656 +(((
657 +YY: How many bytes will be uplink from the return of this RS485 command,
658 +)))
550 550  
551 -**Example 1:**
660 +* (((
661 +if YY=0, RS485-LN will execute the downlink command without uplink;
662 +)))
663 +* (((
664 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
665 +)))
666 +* (((
667 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
668 +)))
669 +)))
552 552  
671 +(((
672 +
673 +
674 +**Example 1**  ~-~-> Configure without ask for uplink (YY=0)
675 +)))
676 +
677 +(((
553 553  To connect a Modbus Alarm with below commands.
679 +)))
554 554  
555 -* 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.
681 +* (((
682 +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.
683 +)))
556 556  
557 -* 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.
685 +* (((
686 +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.
687 +)))
558 558  
689 +(((
690 +
691 +
559 559  So if user want to use downlink command to control to RS485 Alarm, he can use:
693 +)))
560 560  
561 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
695 +(((
696 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
697 +)))
562 562  
563 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
699 +(((
700 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
701 +)))
564 564  
703 +(((
565 565  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.
705 +)))
566 566  
707 +(((
708 +
709 +)))
567 567  
568 -**Example 2:**
711 +(((
712 +**Example 2**  ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
713 +)))
569 569  
570 -Check TTL Sensor return:
715 +(((
716 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
717 +)))
571 571  
572 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
719 +(((
720 +
721 +)))
573 573  
723 +(((
724 +(((
725 +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**
726 +)))
574 574  
728 +
729 +)))
575 575  
731 +(((
732 + (% 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" %)​
733 +)))
576 576  
577 -==== Set Payload version ====
578 578  
579 -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.
580 580  
581 -* AT Command:
582 582  
583 -AT+PAYVER: Set PAYVER field = 1
738 +==== (% style="color:blue" %)**Set Payload version**(%%) ====
584 584  
740 +(((
741 +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.
742 +)))
585 585  
586 -* Downlink Payload:
744 +* (((
745 +(% style="color:#037691" %)**AT Command:**
587 587  
588 -0xAE 01   à Set PAYVER field =  0x01
747 +**AT+PAYVER:    **Set PAYVER field = 1
589 589  
590 -0xAE 0F   à Set PAYVER field =  0x0F
749 +
750 +)))
751 +* (((
752 +(% style="color:#037691" %)**Downlink Payload:**
753 +)))
591 591  
755 +(((
756 +**0xAE 01**  ~-~->  Set PAYVER field =  0x01
757 +)))
592 592  
593 -==== Set RS485 Sampling Commands ====
759 +(((
760 +**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
761 +)))
594 594  
595 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
596 596  
597 -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]].
598 598  
599 599  
600 -* AT Command:
766 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
601 601  
602 -AT+COMMANDx: Configure RS485 read command to sensor.
768 +(((
769 +AT+COMMANDx or AT+DATACUTx
770 +)))
603 603  
604 -AT+DATACUTx: Configure how to handle return from RS485 devices.
772 +(((
773 +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"]].
774 +)))
605 605  
606 -AT+SEARCHx: Configure search command
776 +(((
777 +
778 +)))
607 607  
780 +* (((
781 +(% style="color:#037691" %)**AT Command:**
782 +)))
608 608  
609 -* Downlink Payload:
784 +**AT+COMMANDx:    **Configure RS485 read command to sensor.
610 610  
611 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
786 +**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
612 612  
613 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
614 614  
615 -Format: AF MM NN LL XX XX XX XX YY
789 +* (((
790 +(% style="color:#037691" %)**Downlink Payload:**
791 +)))
616 616  
617 -Where:
793 +(((
794 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
795 +)))
618 618  
619 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
620 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
621 -* LL: The length of AT+COMMAND or AT+DATACUT command
622 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
623 -* 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.
797 +(((
798 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
799 +)))
624 624  
625 -Example:
801 +(((
802 +Format: AF MM NN LL XX XX XX XX YY
803 +)))
626 626  
627 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
805 +(((
806 +Where:
807 +)))
628 628  
629 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
809 +* (((
810 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
811 +)))
812 +* (((
813 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
814 +)))
815 +* (((
816 +LL:  The length of AT+COMMAND or AT+DATACUT command
817 +)))
818 +* (((
819 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
820 +)))
821 +* (((
822 +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.
823 +)))
630 630  
631 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
825 +(((
826 +
632 632  
828 +**Example:**
829 +)))
633 633  
634 -0xAB downlink command can be used for set AT+SEARCHx
831 +(((
832 +(% 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
833 +)))
635 635  
636 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
835 +(((
836 +(% 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**
837 +)))
637 637  
638 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
639 -* 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
839 +(((
840 +(% 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**
841 +)))
640 640  
641 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
642 642  
643 643  
644 -==== Fast command to handle MODBUS device ====
645 645  
646 -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]].
846 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
647 647  
848 +(((
849 +**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]].
850 +)))
851 +
852 +(((
648 648  This command is valid since v1.3 firmware version
854 +)))
649 649  
856 +(((
857 +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.
858 +)))
650 650  
651 -AT+MBFUN has only two value:
860 +(((
861 +
862 +)))
652 652  
653 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
864 +(((
865 +**Example:**
866 +)))
654 654  
655 -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.
868 +* (((
869 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
870 +)))
871 +* (((
872 +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.
873 +)))
874 +* (((
875 +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.
656 656  
657 -* AT+MBFUN=0: Disable Modbus fast reading.
877 +
878 +)))
658 658  
659 -Example:
880 +(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% title="Click and drag to resize" %)​
660 660  
661 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
662 -* 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.
663 -* 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.
882 +(% 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" %)​
664 664  
665 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
666 666  
667 667  
668 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
669 669  
887 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
670 670  
671 -* Downlink Commands:
889 +(((
890 +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.
891 +)))
672 672  
673 -A9 aa -à Same as AT+MBFUN=aa
893 +(((
894 +Default value: 0, range:  0 ~~ 65 seconds
895 +)))
674 674  
897 +* (((
898 +(% style="color:#037691" %)** AT Command:**
675 675  
676 -==== RS485 command timeout ====
900 +**AT+CMDDLaa=hex(bb cc)*1000**
901 +)))
677 677  
678 -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.
903 +(((
904 +
679 679  
680 -Default value: 0, range:  0 ~~ 5 seconds
906 +**Example:**
907 +)))
681 681  
909 +(((
910 +**AT+CMDDL1=1000** to send the open time to 1000ms
911 +)))
682 682  
683 -* AT Command:
913 +(((
914 +
915 +)))
684 684  
685 -AT+CMDDLaa=hex(bb cc)
917 +* (((
918 +(% style="color:#037691" %)** Downlink Payload:**
919 +)))
686 686  
687 -Example:
921 +(((
922 +**0x AA aa bb cc**
923 +)))
688 688  
689 -**AT+CMDDL1=1000** to send the open time to 1000ms
925 +(((
926 +Same as: AT+CMDDLaa=hex(bb cc)*1000
927 +)))
690 690  
929 +(((
930 +**Example:**
931 +)))
691 691  
692 -* Downlink Payload:
933 +(((
934 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
935 +)))
693 693  
694 -0x AA aa bb cc
695 695  
696 -Same as: AT+CMDDLaa=hex(bb cc)
697 697  
698 - Example:
699 699  
700 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
940 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
701 701  
942 +(((
943 +Define to use one uplink or multiple uplinks for the sampling.
944 +)))
702 702  
703 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
946 +(((
947 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
704 704  
705 -Define to use one uplink or multiple uplinks for the sampling.
949 +
950 +)))
706 706  
707 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
952 +* (((
953 +(% style="color:#037691" %)** AT Command:**
954 +)))
708 708  
709 -* AT Command:
956 +**AT+DATAUP=0**
710 710  
711 -AT+DATAUP=0
958 +**AT+DATAUP=1**
712 712  
713 -AT+DATAUP=1
714 714  
961 +* (((
962 +(% style="color:#037691" %)** Downlink Payload:**
963 +)))
715 715  
716 -* Downlink Payload:
965 +(((
966 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
967 +)))
717 717  
718 -0xAD 00   à Same as AT+DATAUP=0
969 +(((
970 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
971 +)))
719 719  
720 -0xAD 01   à Same as AT+DATAUP=1
721 721  
722 722  
723 -==== Manually trigger an Uplink ====
724 724  
976 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
977 +
978 +(((
725 725  Ask device to send an uplink immediately.
980 +)))
726 726  
727 -* Downlink Payload:
982 +* (((
983 +(% style="color:#037691" %)** AT Command:**
984 +)))
728 728  
729 -0x08 FF, RS485-BL will immediately send an uplink.
986 +(((
987 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
988 +)))
730 730  
990 +(((
991 +
992 +)))
731 731  
732 -==== Clear RS485 Command ====
994 +* (((
995 +(% style="color:#037691" %)** Downlink Payload:**
996 +)))
733 733  
998 +(((
999 +**0x08 FF**, RS485-LN will immediately send an uplink.
1000 +)))
1001 +
1002 +
1003 +
1004 +
1005 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1006 +
1007 +(((
734 734  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
735 735  
1010 +
1011 +)))
736 736  
737 -* AT Command:
1013 +* (((
1014 +(% style="color:#037691" %)** AT Command:**
1015 +)))
738 738  
1017 +(((
739 739  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1019 +)))
740 740  
1021 +(((
741 741  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1023 +)))
742 742  
1025 +(((
743 743  Example screen shot after clear all RS485 commands. 
1027 +)))
744 744  
1029 +(((
1030 +
1031 +)))
745 745  
746 -
1033 +(((
747 747  The uplink screen shot is:
1035 +)))
748 748  
749 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1037 +(% 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" %)​
750 750  
751 751  
752 -* Downlink Payload:
1040 +* (((
1041 +(% style="color:#037691" %)** Downlink Payload:**
1042 +)))
753 753  
754 -0x09 aa bb same as AT+CMDEAR=aa,bb
1044 +(((
1045 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1046 +)))
755 755  
756 756  
757 -==== Set Serial Communication Parameters ====
758 758  
1050 +
1051 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1052 +
1053 +(((
759 759  Set the Rs485 serial communication parameters:
1055 +)))
760 760  
761 -* AT Command:
1057 +* (((
1058 +(% style="color:#037691" %)** AT Command:**
1059 +)))
762 762  
763 -Set Baud Rate:
1061 +(((
1062 +
764 764  
765 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1064 +* Set Baud Rate
1065 +)))
766 766  
1067 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
767 767  
768 -Set UART parity
769 769  
770 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1070 +(((
1071 +* Set UART Parity
1072 +)))
771 771  
1074 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
772 772  
773 -Set STOPBIT
774 774  
775 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1077 +(((
1078 +* Set STOPBIT
1079 +)))
776 776  
1081 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
777 777  
778 -* Downlink Payload:
779 779  
780 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
781 781  
782 -Example:
1085 +* (((
1086 +(% style="color:#037691" %)** Downlink Payload:**
1087 +)))
783 783  
784 -* A7 01 00 60   same as AT+BAUDR=9600
785 -* A7 01 04 80  same as AT+BAUDR=115200
1089 +(((
1090 +**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1091 +)))
786 786  
787 -A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1093 +(((
1094 +**Example:**
1095 +)))
788 788  
789 -A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1097 +* (((
1098 +A7 01 00 60   same as AT+BAUDR=9600
1099 +)))
1100 +* (((
1101 +A7 01 04 80  same as AT+BAUDR=115200
1102 +)))
790 790  
1104 +(((
1105 +A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1106 +)))
791 791  
792 -==== Control output power duration ====
1108 +(((
1109 +A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1110 +)))
793 793  
794 -User can set the output power duration before each sampling.
795 795  
796 -* AT Command:
797 797  
798 -Example:
799 799  
800 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1115 +== 3.6 Listening mode for RS485 network ==
801 801  
802 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
803 803  
1118 +(((
1119 +This feature support since firmware v1.4
1120 +)))
804 804  
805 -* LoRaWAN Downlink Command:
1122 +(((
1123 +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.
806 806  
807 -07 01 aa bb  Same as AT+5VT=(aa bb)
1125 +
1126 +)))
808 808  
809 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1128 +(% 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"]](% title="Click and drag to resize" %)​
810 810  
1130 +(((
1131 +To enable the listening mode, use can run the command AT+RXMODE.
1132 +)))
811 811  
1134 +(((
1135 +
1136 +)))
812 812  
1138 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1139 +|=(% style="width: 100px;" %)(((
1140 +**Command example**
1141 +)))|=(% style="width: 400px;" %)(((
1142 +**Function**
1143 +)))
1144 +|(% style="width:100px" %)(((
1145 +AT+RXMODE=1,10
1146 +)))|(% style="width:400px" %)(((
1147 +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.
1148 +)))
1149 +|(% style="width:100px" %)(((
1150 +AT+RXMODE=2,500
1151 +)))|(% style="width:400px" %)(((
1152 +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
1153 +)))
1154 +|(% style="width:100px" %)(((
1155 +AT+RXMODE=0,0
1156 +)))|(% style="width:400px" %)(((
1157 +Disable listening mode. This is the default settings.
1158 +)))
1159 +|(% style="width:100px" %)(((
1160 +
1161 +)))|(% style="width:400px" %)(((
1162 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1163 +)))
813 813  
814 -1.
815 -11. Buttons
1165 +(((
1166 +(% style="color:#037691" %)** Downlink Command:**
1167 +)))
816 816  
817 -|**Button**|**Feature**
818 -|**RST**|Reboot RS485-BL
1169 +(((
1170 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1171 +)))
819 819  
820 -1.
821 -11. +3V3 Output
1173 +(((
1174 +
1175 +)))
822 822  
823 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1177 +(((
1178 +**Example**:
1179 +)))
824 824  
825 -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. 
1181 +(((
1182 +The RS485-LN is set to AT+RXMODE=2,1000
1183 +)))
826 826  
1185 +(((
1186 +There is a two Modbus commands in the RS485 network as below:
1187 +)))
827 827  
828 -The +3V3 output time can be controlled by AT Command.
1189 +(((
1190 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1191 +)))
829 829  
830 -**AT+3V3T=1000**
1193 +(((
1194 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1195 +)))
831 831  
832 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1197 +(((
1198 +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
1199 +)))
833 833  
1201 +(((
1202 +(% 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" %)​
1203 +)))
834 834  
835 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1205 +(((
1206 +
1207 +)))
836 836  
1209 +(((
1210 +(((
1211 +(% 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.**
1212 +)))
1213 +)))
837 837  
838 -1.
839 -11. +5V Output
840 840  
841 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
842 842  
843 -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. 
1217 +== 3.7 Buttons ==
844 844  
845 845  
846 -The 5V output time can be controlled by AT Command.
1220 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1221 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1222 +|(% 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**
1223 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1224 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
847 847  
848 -**AT+5VT=1000**
849 849  
850 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1227 +== 3.8 LEDs ==
851 851  
852 852  
853 -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.
1230 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1231 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1232 +|**PWR**|Always on if there is power
1233 +|**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.
854 854  
855 855  
1236 += 4. Case Study =
856 856  
857 857  
858 -1.
859 -11. LEDs
1239 +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]]
860 860  
861 -|**LEDs**|**Feature**
862 -|**LED1**|Blink when device transmit a packet.
863 863  
864 -1.
865 -11. Switch Jumper
866 866  
867 -|**Switch Jumper**|**Feature**
868 -|**SW1**|(((
869 -ISP position: Upgrade firmware via UART
1243 += 5. Use AT Command =
870 870  
871 -Flash position: Configure device, check running status.
1245 +== 5.1 Access AT Command ==
1246 +
1247 +
1248 +(((
1249 +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.
872 872  )))
873 -|**SW2**|(((
874 -5V position: set to compatible with 5v I/O.
875 875  
876 -3.3v position: set to compatible with 3.3v I/O.,
1252 +(% 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" %)​
1253 +
1254 +
1255 +(((
1256 +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:
877 877  )))
878 878  
879 -+3.3V: is always ON
1259 +(% 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" %)​
880 880  
881 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
882 882  
883 -1. Case Study
1262 +(((
1263 +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/]]
1264 +)))
884 884  
885 -User can check this URL for some case studies.
886 886  
887 -[[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]]
888 888  
1268 +== 5.2 Common AT Command Sequence ==
889 889  
890 890  
1271 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
891 891  
892 -1. Use AT Command
893 -11. Access AT Command
894 894  
895 -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.
1274 +If device has not joined network yet:
896 896  
897 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1276 +* (% style="color:#037691" %)**AT+FDR**
1277 +* (% style="color:#037691" %)**AT+NJM=0**
1278 +* (% style="color:#037691" %)**ATZ**
898 898  
1280 +(((
1281 +
899 899  
900 -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:
1283 +If device already joined network:
901 901  
902 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1285 +* (% style="color:#037691" %)**AT+NJM=0**
1286 +* (% style="color:#037691" %)**ATZ**
903 903  
1288 +
1289 +)))
904 904  
905 905  
906 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
907 907  
1293 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
908 908  
909 909  
910 -1.
911 -11. Common AT Command Sequence
912 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1296 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
913 913  
914 -If device has not joined network yet:
1298 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
915 915  
916 -AT+FDR
1300 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
917 917  
918 -AT+NJM=0
1302 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
919 919  
920 -ATZ
1304 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
921 921  
1306 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
922 922  
923 -If device already joined network:
1308 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
924 924  
925 -AT+NJM=0
1310 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
926 926  
927 -ATZ
1312 +(% 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.
928 928  
929 -1.
930 -11.
931 -111. Single-channel ABP mode (Use with LG01/LG02)
1314 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
932 932  
933 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
934 934  
935 -AT+NJM=0 Set to ABP mode
1317 +(% style="color:red" %)**Note:**
936 936  
937 -AT+ADR=0 Set the Adaptive Data Rate Off
1319 +(((
1320 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1321 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1322 +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.
1323 +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
1324 +)))
938 938  
939 -AT+DR=5  Set Data Rate
1326 +(% 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" %)​
940 940  
941 -AT+TDC=60000  Set transmit interval to 60 seconds
942 942  
943 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
944 944  
945 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1330 += 6. FAQ =
946 946  
947 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1332 +== 6.1 How to upgrade the image? ==
948 948  
949 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
950 950  
951 -ATZ          Reset MCU
1335 +(((
1336 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1337 +)))
952 952  
953 -**Note:**
1339 +* (((
1340 +Support new features
1341 +)))
1342 +* (((
1343 +For bug fix
1344 +)))
1345 +* (((
1346 +Change LoRaWAN bands.
1347 +)))
954 954  
955 -1. Make sure the device is set to ABP mode in the IoT Server.
956 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
957 -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.
958 -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
1349 +(((
1350 +Below shows the hardware connection for how to upload an image to RS485-LN:
1351 +)))
959 959  
960 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1353 +(% 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"]](% title="Click and drag to resize" %)​
961 961  
1355 +(((
1356 +(% 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]].
1357 +)))
962 962  
963 -1. FAQ
964 -11. How to upgrade the image?
1359 +(((
1360 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1361 +)))
965 965  
966 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1363 +(((
1364 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1365 +)))
967 967  
968 -* Support new features
969 -* For bug fix
970 -* Change LoRaWAN bands.
1367 +(((
1368 +(((
1369 +(((
1370 +(% 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.
1371 +)))
1372 +)))
1373 +)))
971 971  
972 -Below shows the hardware connection for how to upload an image to RS485-BL:
973 973  
974 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1376 +(% 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" %)​
975 975  
976 -**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]].
977 977  
978 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1379 +(% 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" %)​
979 979  
980 -**Step3: **Open flashloader; choose the correct COM port to update.
981 981  
1382 +(% 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" %)​
982 982  
983 -|(((
984 -HOLD PRO then press the RST button, SYS will be ON, then click next
985 -)))
986 986  
987 -|(((
988 -Board detected
989 -)))
1385 +(% 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:**
990 990  
991 -|(((
992 -
993 -)))
1387 +(% 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" %)​
994 994  
995 -[[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]]
996 996  
997 997  
1391 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
998 998  
999 -[[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]]
1000 1000  
1394 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1001 1001  
1002 -[[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]]
1003 1003  
1004 1004  
1005 -1.
1006 -11. How to change the LoRa Frequency Bands/Region?
1398 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1007 1007  
1008 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1009 1009  
1401 +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"]].
1010 1010  
1011 1011  
1012 -1.
1013 -11. How many RS485-Slave can RS485-BL connects?
1014 1014  
1015 -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]].
1405 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1016 1016  
1017 1017  
1408 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1018 1018  
1410 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1019 1019  
1020 -1. Trouble Shooting     
1021 -11. Downlink doesn’t work, how to solve it?
1022 1022  
1023 -Please see this link for debug:
1024 1024  
1025 -[[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]] 
1414 +== 6.5 Can i use point to point communication for RS485-LN? ==
1026 1026  
1027 1027  
1417 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1028 1028  
1029 -1.
1030 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1031 1031  
1032 -It might about the channels mapping. Please see for detail.
1033 1033  
1034 -[[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]]
1421 +== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1035 1035  
1036 1036  
1424 +[[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/]]
1037 1037  
1038 -1. Order Info
1039 1039  
1040 -**Part Number: RS485-BL-XXX**
1041 1041  
1042 -**XXX:**
1428 += 7. Trouble Shooting =
1043 1043  
1044 -* **EU433**: frequency bands EU433
1045 -* **EU868**: frequency bands EU868
1046 -* **KR920**: frequency bands KR920
1047 -* **CN470**: frequency bands CN470
1048 -* **AS923**: frequency bands AS923
1049 -* **AU915**: frequency bands AU915
1050 -* **US915**: frequency bands US915
1051 -* **IN865**: frequency bands IN865
1052 -* **RU864**: frequency bands RU864
1053 -* **KZ865: **frequency bands KZ865
1054 1054  
1055 -1. Packing Info
1431 +== 7.1 Downlink doesn't work, how to solve it? ==
1056 1056  
1433 +
1434 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1435 +
1436 +
1437 +
1438 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1439 +
1440 +
1441 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1442 +
1443 +
1444 +
1445 += 8. Order Info =
1446 +
1447 +
1448 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1449 +
1450 +(% style="color:blue" %)**XXX:**
1451 +
1452 +* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1453 +* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1454 +* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1455 +* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1456 +* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1457 +* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1458 +* (% style="color:red" %)**US915**(%%):  frequency bands US915
1459 +* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1460 +* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1461 +* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1462 +
1463 +
1464 +
1465 += 9.Packing Info =
1466 +
1467 +
1057 1057  **Package Includes**:
1058 1058  
1059 -* RS485-BL x 1
1470 +* RS485-LN x 1
1060 1060  * Stick Antenna for LoRa RF part x 1
1061 1061  * Program cable x 1
1062 1062  
... ... @@ -1067,9 +1067,68 @@
1067 1067  * Package Size / pcs : 14.5 x 8 x 5 cm
1068 1068  * Weight / pcs : 170g
1069 1069  
1070 -1. Support
1071 1071  
1072 -* 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.
1073 -* 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
1074 1074  
1075 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1483 +
1484 += 10. FCC Caution for RS485LN-US915 =
1485 +
1486 +
1487 +(((
1488 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1489 +)))
1490 +
1491 +(((
1492 +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.
1493 +)))
1494 +
1495 +(((
1496 +
1497 +)))
1498 +
1499 +(((
1500 +(% style="color:red" %)**IMPORTANT NOTE:**
1501 +)))
1502 +
1503 +(((
1504 +**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:
1505 +)))
1506 +
1507 +(((
1508 +—Reorient or relocate the receiving antenna.
1509 +)))
1510 +
1511 +(((
1512 +—Increase the separation between the equipment and receiver.
1513 +)))
1514 +
1515 +(((
1516 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1517 +)))
1518 +
1519 +(((
1520 +—Consult the dealer or an experienced radio/TV technician for help.
1521 +)))
1522 +
1523 +(((
1524 +
1525 +)))
1526 +
1527 +(((
1528 +(% style="color:red" %)**FCC Radiation Exposure Statement:**
1529 +)))
1530 +
1531 +(((
1532 +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.
1533 +)))
1534 +
1535 +
1536 +
1537 += 11. Support =
1538 +
1539 +
1540 +* (((
1541 +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.
1542 +)))
1543 +* (((
1544 +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]].
1545 +)))
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