Last modified by Xiaoling on 2025/04/23 15:56
<
From version < 42.1 >
edited by Xiaoling
on 2022/06/02 16:44
To version < 101.2 >
edited by Xiaoling
on 2023/04/18 10:24
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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
Content
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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 +
9 9  **Table of Contents:**
10 10  
17 +{{toc/}}
11 11  
12 12  
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 +)))
13 13  
14 14  
15 -= 1.Introduction =
16 16  
27 +
28 +
29 +
30 +
31 += 1. Introduction =
32 +
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18 18  
35 +
19 19  (((
20 -(((
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  )))
23 23  
... ... @@ -31,31 +31,33 @@
31 31  
32 32  (((
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.
50 +)))
34 34  
52 +(((
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]]
36 36  )))
37 -)))
38 38  
39 -[[image:1653267211009-519.png||height="419" width="724"]]
40 40  
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" %)​
41 41  
59 +
42 42  == 1.2 Specifications ==
43 43  
44 44  
45 -**Hardware System:**
63 +(% style="color:#037691" %)**Hardware System:**
46 46  
47 -* STM32L072CZT6 MCU
65 +* STM32L072xxxx MCU
48 48  * SX1276/78 Wireless Chip 
49 49  * Power Consumption (exclude RS485 device):
50 50  ** Idle: 32mA@12v
51 51  ** 20dB Transmit: 65mA@12v
52 52  
53 -**Interface for Model:**
71 +(% style="color:#037691" %)**Interface for Model:**
54 54  
55 55  * RS485
56 56  * Power Input 7~~ 24V DC. 
57 57  
58 -**LoRa Spec:**
76 +(% style="color:#037691" %)**LoRa Spec:**
59 59  
60 60  * Frequency Range:
61 61  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -74,13 +74,15 @@
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.
95 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  
98 +
80 80  == 1.3 Features ==
81 81  
101 +
82 82  * LoRaWAN Class A & Class C protocol (default Class C)
83 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
103 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
84 84  * AT Commands to change parameters
85 85  * Remote configure parameters via LoRa Downlink
86 86  * Firmware upgradable via program port
... ... @@ -89,8 +89,10 @@
89 89  * Support Interrupt uplink (Since hardware version v1.2)
90 90  
91 91  
112 +
92 92  == 1.4 Applications ==
93 93  
115 +
94 94  * Smart Buildings & Home Automation
95 95  * Logistics and Supply Chain Management
96 96  * Smart Metering
... ... @@ -99,18 +99,25 @@
99 99  * Smart Factory
100 100  
101 101  
124 +
102 102  == 1.5 Firmware Change log ==
103 103  
127 +
104 104  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
105 105  
106 106  
107 107  == 1.6 Hardware Change log ==
108 108  
133 +
109 109  (((
110 110  (((
136 +(((
111 111  v1.2: Add External Interrupt Pin.
138 +)))
112 112  
140 +(((
113 113  v1.0: Release
142 +)))
114 114  
115 115  
116 116  )))
... ... @@ -118,6 +118,7 @@
118 118  
119 119  = 2. Power ON Device =
120 120  
150 +
121 121  (((
122 122  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
123 123  
... ... @@ -128,7 +128,7 @@
128 128  Once there is power, the RS485-LN will be on.
129 129  )))
130 130  
131 -[[image:1653268091319-405.png]]
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" %)​
132 132  
133 133  
134 134  )))
... ... @@ -137,8 +137,11 @@
137 137  
138 138  == 3.1 How it works? ==
139 139  
170 +
140 140  (((
172 +(((
141 141  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 +)))
142 142  
143 143  
144 144  )))
... ... @@ -145,11 +145,13 @@
145 145  
146 146  == 3.2 Example to join LoRaWAN network ==
147 147  
181 +
148 148  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. 
149 149  
150 -[[image:1653268155545-638.png||height="334" width="724"]]
151 151  
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" %)​
152 152  
187 +
153 153  (((
154 154  (((
155 155  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:
... ... @@ -157,16 +157,21 @@
157 157  
158 158  (((
159 159  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
195 +
196 +
160 160  )))
161 161  
162 -[[image:1653268227651-549.png||height="592" width="720"]]
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" %)​
163 163  
201 +
164 164  (((
165 -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:
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 +
166 166  )))
167 167  
168 168  (((
169 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
209 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
170 170  )))
171 171  
172 172  (((
... ... @@ -174,73 +174,93 @@
174 174  )))
175 175  )))
176 176  
177 -[[image:1652953462722-299.png]]
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" %)​
178 178  
219 +
179 179  (((
180 180  (((
181 181  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
223 +
224 +
182 182  )))
183 183  
184 184  (((
185 -Add APP EUI in the application.
228 +**Add APP EUI in the application.**
186 186  )))
187 187  )))
188 188  
189 -[[image:image-20220519174512-1.png]]
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" %)​
190 190  
191 -[[image:image-20220519174512-2.png||height="323" width="720"]]
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" %)​
192 192  
193 -[[image:image-20220519174512-3.png||height="556" width="724"]]
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" %)​
194 194  
195 -[[image:image-20220519174512-4.png]]
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"]]
196 196  
240 +
241 +(% title="Click and drag to resize" %)​
242 +
197 197  You can also choose to create the device manually.
198 198  
199 -[[image:1652953542269-423.png||height="710" width="723"]]
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" %)​
200 200  
201 -Add APP KEY and DEV EUI
202 202  
203 -[[image:1652953553383-907.png||height="514" width="724"]]
204 204  
249 +**Add APP KEY and DEV EUI**
205 205  
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 +
206 206  (((
207 -**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.
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 +
208 208  )))
209 209  
210 -[[image:1652953568895-172.png||height="232" width="724"]]
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" %)​
211 211  
212 212  
213 213  == 3.3 Configure Commands to read data ==
214 214  
266 +
215 215  (((
216 216  (((
217 -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.
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 +
218 218  )))
274 +)))
219 219  
220 220  (((
221 -(% 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
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**
279 +)))
222 222  
223 223  
224 224  )))
225 225  )))
226 226  
227 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
285 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
228 228  
287 +
229 229  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:
230 230  
231 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
232 -|(% style="width:128px" %)(((
290 +
291 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
292 +|=(% style="width: 110px;" %)(((
233 233  **AT Commands**
234 -)))|(% style="width:305px" %)(((
294 +)))|=(% style="width: 210px;" %)(((
235 235  **Description**
236 -)))|(% style="width:346px" %)(((
296 +)))|=(% style="width: 190px;" %)(((
237 237  **Example**
238 238  )))
239 -|(% style="width:128px" %)(((
299 +|(% style="width:110px" %)(((
240 240  AT+BAUDR
241 -)))|(% style="width:305px" %)(((
301 +)))|(% style="width:190px" %)(((
242 242  Set the baud rate (for RS485 connection). Default Value is: 9600.
243 -)))|(% style="width:346px" %)(((
303 +)))|(% style="width:190px" %)(((
244 244  (((
245 245  AT+BAUDR=9600
246 246  )))
... ... @@ -249,11 +249,11 @@
249 249  Options: (1200,2400,4800,14400,19200,115200)
250 250  )))
251 251  )))
252 -|(% style="width:128px" %)(((
312 +|(% style="width:110px" %)(((
253 253  AT+PARITY
254 -)))|(% style="width:305px" %)(((
314 +)))|(% style="width:190px" %)(((
255 255  Set UART parity (for RS485 connection)
256 -)))|(% style="width:346px" %)(((
316 +)))|(% style="width:190px" %)(((
257 257  (((
258 258  AT+PARITY=0
259 259  )))
... ... @@ -262,9 +262,9 @@
262 262  Option: 0: no parity, 1: odd parity, 2: even parity
263 263  )))
264 264  )))
265 -|(% style="width:128px" %)(((
325 +|(% style="width:110px" %)(((
266 266  AT+STOPBIT
267 -)))|(% style="width:305px" %)(((
327 +)))|(% style="width:190px" %)(((
268 268  (((
269 269  Set serial stopbit (for RS485 connection)
270 270  )))
... ... @@ -272,7 +272,7 @@
272 272  (((
273 273  
274 274  )))
275 -)))|(% style="width:346px" %)(((
335 +)))|(% style="width:190px" %)(((
276 276  (((
277 277  AT+STOPBIT=0 for 1bit
278 278  )))
... ... @@ -287,27 +287,39 @@
287 287  )))
288 288  
289 289  
350 +
290 290  === 3.3.2 Configure sensors ===
291 291  
353 +
292 292  (((
293 293  (((
294 -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.
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 +
295 295  )))
296 296  )))
297 297  
298 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
299 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
300 -|AT+CFGDEV|(% style="width:418px" %)(((
362 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:510px" %)
363 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 210px;" %)**Description**|=(% style="width: 190px;" %)**Example**
364 +|AT+CFGDEV|(% style="width:110px" %)(((
365 +(((
301 301  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
367 +)))
302 302  
369 +(((
303 303  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
371 +)))
304 304  
373 +(((
305 305  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
306 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
375 +)))
376 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 307  
308 308  
379 +
309 309  === 3.3.3 Configure read commands for each sampling ===
310 310  
382 +
311 311  (((
312 312  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.
313 313  
... ... @@ -318,8 +318,9 @@
318 318  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
319 319  
320 320  
321 -**Each RS485 commands include two parts:**
393 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
322 322  
395 +
323 323  ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
324 324  
325 325  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.
... ... @@ -329,15 +329,14 @@
329 329  
330 330  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
331 331  
332 -
333 333  Below are examples for the how above AT Commands works.
334 334  
335 335  
336 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
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:
337 337  
338 338  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
339 339  |(% style="width:496px" %)(((
340 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
412 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
341 341  
342 342  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
343 343  
... ... @@ -349,10 +349,10 @@
349 349  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
350 350  
351 351  
352 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
424 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
353 353  
354 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
355 -|(% style="width:722px" %)(((
426 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
427 +|(% style="width:510px" %)(((
356 356  **AT+DATACUTx=a,b,c**
357 357  
358 358  * **a: length for the return of AT+COMMAND**
... ... @@ -362,25 +362,29 @@
362 362  
363 363  **Examples:**
364 364  
365 -* Grab bytes:
366 366  
367 -[[image:image-20220602153621-1.png]]
438 +* (% style="color:#037691" %)**Grab bytes**
368 368  
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" %)​
369 369  
370 -* Grab a section.
371 371  
372 -[[image:image-20220602153621-2.png]]
373 373  
444 +* (% style="color:#037691" %)**Grab a section**
374 374  
375 -* Grab different sections.
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" %)​
376 376  
377 -[[image:image-20220602153621-3.png]]
378 378  
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 +
379 379  
380 380  )))
381 381  
382 382  === 3.3.4 Compose the uplink payload ===
383 383  
459 +
384 384  (((
385 385  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.**
386 386  
... ... @@ -398,18 +398,16 @@
398 398  )))
399 399  
400 400  (((
401 -Final Payload is
477 +Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
402 402  )))
403 403  
404 404  (((
405 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
406 -)))
407 -
408 -(((
409 409  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
482 +
483 +
410 410  )))
411 411  
412 -[[image:1653269759169-150.png||height="513" width="716"]]
486 +[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
413 413  
414 414  
415 415  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -417,18 +417,21 @@
417 417  
418 418  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
419 419  
420 -Final Payload is
494 +Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
421 421  
422 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423 423  
424 -1. PAYVER: Defined by AT+PAYVER
425 -1. PAYLOAD COUNT: Total how many uplinks of this sampling.
426 -1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
427 -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
497 +~1. PAYVER: Defined by AT+PAYVER
428 428  
429 -[[image:image-20220602155039-4.png]]
499 +2. PAYLOAD COUNT: Total how many uplinks of this sampling.
430 430  
501 +3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
431 431  
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 +
432 432  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
433 433  
434 434  DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
... ... @@ -438,8 +438,9 @@
438 438  DATA3=the rest of Valid value of RETURN10= **30**
439 439  
440 440  
441 -(% 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:**
442 442  
520 +
443 443   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
444 444  
445 445   * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
... ... @@ -449,79 +449,1349 @@
449 449   ~* For all other bands: max 51 bytes for each uplink.
450 450  
451 451  
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 +
452 452  Below are the uplink payloads:
453 453  
454 -[[image:1654157178836-407.png]]
455 455  
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" %)​
456 456  
541 +
457 457  === 3.3.5 Uplink on demand ===
458 458  
544 +
459 459  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.
460 460  
461 -Downlink control command:
547 +(% style="color:blue" %)**Downlink control command:**
462 462  
463 -**0x08 command**: Poll an uplink with current command set in RS485-LN.
549 +(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
464 464  
465 -**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
551 +(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
466 466  
467 467  
468 -
469 469  === 3.3.6 Uplink on Interrupt ===
470 470  
556 +
471 471  RS485-LN support external Interrupt uplink since hardware v1.2 release.
472 472  
473 -[[image:1654157342174-798.png]]
474 474  
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 +
475 475  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.
476 476  
477 477  
478 478  == 3.4 Uplink Payload ==
479 479  
480 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
481 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
482 -|Value|(% style="width:120px" %)(((
483 -Battery(mV)
484 484  
485 -&
486 -
487 -Interrupt _Flag
488 -)))|(% style="width:116px" %)(((
568 +(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
569 +|=(% scope="row" style="width: 60px;" %)(((
570 +Size(bytes)
571 +)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
572 +Length depends on the return from the commands
573 +)))
574 +|=(% style="width: 90px;" %)(((
575 +Value
576 +)))|(% style="width:114px" %)(((
489 489  PAYLOAD_VER
578 +)))|(% style="width:353px" %)(((
579 +If the valid payload is too long and exceed the maximum
490 490  
491 -
492 -)))|(% 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.
581 +support payload length in server, server will show payload not
493 493  
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 +
494 494  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
495 495  
496 496  
497 -== 3.5 Configure RS485-BL via AT or Downlink ==
593 +== 3.5 Configure RS485-LN via AT or Downlink ==
498 498  
595 +
596 +(((
499 499  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
598 +)))
500 500  
600 +(((
501 501  There are two kinds of Commands:
602 +)))
502 502  
503 -* (% 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]]
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 +)))
504 504  
505 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
608 +* (((
609 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
610 +)))
506 506  
612 +(((
613 +
614 +)))
507 507  
508 508  
509 509  === 3.5.1 Common Commands ===
510 510  
619 +
511 511  They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
512 512  
513 513  
514 -=== 3.5.2 Sensor related commands ===
623 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
515 515  
625 +
516 516  Response feature is added to the server's downlink, a special package with a FPort of 200 will be uploaded immediately after receiving the data sent by the server.
517 517  
518 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
519 519  
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 +
520 520  The first byte of this package represents whether the configuration is successful, 00 represents failure, 01 represents success. Except for the first byte, the other is the previous downlink. (All commands except A8 type commands are applicable)
521 521  
522 522  
523 -3.5.3 Sensor related commands
636 +=== 3.5.3 Sensor related commands ===
524 524  
525 -==== ====
526 526  
527 -==== ====
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 +* (((
660 +(% style="color:#037691" %)**Downlink Payload**
661 +)))
662 +
663 +(((
664 +Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
665 +)))
666 +
667 +(((
668 +Where:
669 +)))
670 +
671 +* (((
672 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
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 +
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 +(((
697 +
698 +
699 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
700 +)))
701 +
702 +(((
703 +To connect a Modbus Alarm with below commands.
704 +)))
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 +(((
715 +
716 +
717 +So if user want to use downlink command to control to RS485 Alarm, he can use:
718 +)))
719 +
720 +(((
721 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
722 +)))
723 +
724 +(((
725 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
726 +)))
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 +)))
731 +
732 +(((
733 +
734 +)))
735 +
736 +(((
737 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
738 +)))
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 +)))
743 +
744 +(((
745 +
746 +)))
747 +
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**
751 +)))
752 +
753 +
754 +)))
755 +
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" %)​
758 +)))
759 +
760 +
761 +
762 +==== (% style="color:blue" %)**Set Payload version**(%%) ====
763 +
764 +
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.
767 +)))
768 +
769 +(((
770 +* (% style="color:#037691" %)**AT Command:**
771 +
772 +(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
773 +
774 +
775 +)))
776 +
777 +* (((
778 +(% style="color:#037691" %)**Downlink Payload:**
779 +)))
780 +
781 +(((
782 +(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
783 +)))
784 +
785 +(((
786 +(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
787 +)))
788 +
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)**
791 +
792 +
793 +[[image:image-20220824145428-2.png||height="168" width="1300"]]
794 +
795 +
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.**
798 +
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
809 +)))
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 +)))
814 +
815 +(((
816 +
817 +)))
818 +
819 +* (((
820 +(% style="color:#037691" %)**AT Command:**
821 +)))
822 +
823 +(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
824 +
825 +(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
826 +
827 +
828 +* (((
829 +(% style="color:#037691" %)**Downlink Payload:**
830 +)))
831 +
832 +(((
833 +(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
834 +
835 +
836 +)))
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.**
840 +
841 +
842 +)))
843 +
844 +(((
845 +Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
846 +)))
847 +
848 +(((
849 +Where:
850 +)))
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 +)))
867 +
868 +(((
869 +
870 +
871 +**Example:**
872 +)))
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 +)))
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 +)))
881 +
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**
884 +)))
885 +
886 +
887 +
888 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
889 +
890 +
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]].
893 +)))
894 +
895 +(((
896 +This command is valid since v1.3 firmware version
897 +)))
898 +
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.
901 +)))
902 +
903 +(((
904 +
905 +)))
906 +
907 +(((
908 +**Example:**
909 +)))
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.
919 +
920 +
921 +)))
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 +
925 +(% title="Click and drag to resize" %)​
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" %)​
928 +
929 +
930 +
931 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
932 +
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 +
938 +(((
939 +Default value: 0, range:  0 ~~ 65 seconds
940 +)))
941 +
942 +(((
943 +* (% style="color:#037691" %)** AT Command:**
944 +
945 +(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
946 +)))
947 +
948 +(((
949 +
950 +
951 +**Example:**
952 +)))
953 +
954 +(((
955 +(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
956 +)))
957 +
958 +(((
959 +
960 +)))
961 +
962 +* (((
963 +(% style="color:#037691" %)** Downlink Payload:**
964 +)))
965 +
966 +(((
967 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
968 +)))
969 +
970 +(((
971 +
972 +
973 +**Example:**
974 +)))
975 +
976 +(((
977 +**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
978 +)))
979 +
980 +
981 +
982 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
983 +
984 +
985 +(((
986 +Define to use one uplink or multiple uplinks for the sampling.
987 +)))
988 +
989 +(((
990 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
991 +
992 +
993 +)))
994 +
995 +(((
996 +* (% style="color:#037691" %)** AT Command:**
997 +
998 +(% style="color:#4472c4" %)** AT+DATAUP=0**
999 +
1000 +(% style="color:#4472c4" %)** AT+DATAUP=1**
1001 +
1002 +
1003 +)))
1004 +
1005 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1006 +
1007 +Each uplink is sent to the server at 20-second intervals when segmented.
1008 +
1009 +
1010 +* (((
1011 +(% style="color:#037691" %)** Downlink Payload:**
1012 +)))
1013 +
1014 +(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
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.
1017 +
1018 +
1019 +* (((
1020 +(% style="color:#037691" %)** AT Command:**
1021 +)))
1022 +
1023 +(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1024 +
1025 +
1026 +* (((
1027 +(% style="color:#037691" %)** Downlink Payload:**
1028 +)))
1029 +
1030 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1031 +
1032 +Each uplink is sent to the server at 20-second intervals when segmented.
1033 +
1034 +
1035 +
1036 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1037 +
1038 +
1039 +(((
1040 +Ask device to send an uplink immediately.
1041 +)))
1042 +
1043 +* (((
1044 +(% style="color:#037691" %)** AT Command:**
1045 +)))
1046 +
1047 +(((
1048 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1049 +)))
1050 +
1051 +(((
1052 +
1053 +)))
1054 +
1055 +* (((
1056 +(% style="color:#037691" %)** Downlink Payload:**
1057 +)))
1058 +
1059 +(((
1060 +(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1061 +)))
1062 +
1063 +
1064 +
1065 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1066 +
1067 +
1068 +(((
1069 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1070 +
1071 +
1072 +)))
1073 +
1074 +* (((
1075 +(% style="color:#037691" %)** AT Command:**
1076 +)))
1077 +
1078 +(((
1079 +(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1080 +)))
1081 +
1082 +(((
1083 +
1084 +
1085 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1086 +)))
1087 +
1088 +(((
1089 +Example screen shot after clear all RS485 commands. 
1090 +)))
1091 +
1092 +(((
1093 +
1094 +)))
1095 +
1096 +(((
1097 +The uplink screen shot is:
1098 +)))
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" %)​
1101 +
1102 +
1103 +* (((
1104 +(% style="color:#037691" %)** Downlink Payload:**
1105 +)))
1106 +
1107 +(((
1108 +(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1109 +)))
1110 +
1111 +
1112 +
1113 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1114 +
1115 +
1116 +(((
1117 +Set the Rs485 serial communication parameters:
1118 +)))
1119 +
1120 +(((
1121 +(% style="color:#037691" %)**AT Command:**
1122 +)))
1123 +
1124 +(((
1125 +* Set Baud Rate
1126 +)))
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 +
1130 +
1131 +(((
1132 +* Set UART Parity
1133 +)))
1134 +
1135 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
1136 +
1137 +
1138 +(((
1139 +* Set STOPBIT
1140 +)))
1141 +
1142 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1143 +
1144 +
1145 +(((
1146 +(% style="color:#037691" %)**Downlink Payload:**
1147 +)))
1148 +
1149 +(((
1150 +(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1151 +)))
1152 +
1153 +(((
1154 +**Example:**
1155 +)))
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 +
1164 +(((
1165 +* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1166 +)))
1167 +
1168 +(((
1169 +* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1170 +)))
1171 +
1172 +
1173 +
1174 +
1175 +==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
1176 +
1177 +
1178 +* (((
1179 +(% style="color:#037691" %)** AT Command:**
1180 +)))
1181 +
1182 +(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
1183 +
1184 +(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
1185 +
1186 +* (((
1187 +(% style="color:#037691" %)**Downlink Payload:**
1188 +)))
1189 +
1190 +(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1191 +
1192 +(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
1193 +
1194 +
1195 +
1196 +==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1197 +
1198 +(((
1199 +
1200 +)))
1201 +
1202 +* (((
1203 +(% style="color:#037691" %)** AT Command:**
1204 +)))
1205 +
1206 +(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
1207 +
1208 +(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
1209 +
1210 +
1211 +
1212 +==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
1213 +
1214 +
1215 +* (((
1216 +(% style="color:#037691" %)** AT Command:**
1217 +)))
1218 +
1219 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
1220 +
1221 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
1222 +
1223 +
1224 +
1225 +==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
1226 +
1227 +
1228 +* (((
1229 +(% style="color:#037691" %)** AT Command:**
1230 +)))
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)
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.
1235 +
1236 +
1237 +
1238 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1239 +
1240 +
1241 +* (((
1242 +(% style="color:#037691" %)** AT Command:**
1243 +)))
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)
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.
1248 +
1249 +
1250 +* (((
1251 +(% style="color:#037691" %)** Downlink Payload:**
1252 +)))
1253 +
1254 +(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
1255 +
1256 +
1257 +
1258 +==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
1259 +
1260 +
1261 +* (((
1262 +(% style="color:#037691" %)** AT Command:**
1263 +)))
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.
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.
1268 +
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 +
1272 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1273 +
1274 +
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 +
1278 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1279 +
1280 +
1281 +
1282 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
1283 +
1284 +
1285 +(((
1286 +* (% style="color:#037691" %)**Downlink Payload:**
1287 +
1288 +(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1289 +)))
1290 +
1291 +
1292 +Example：
1293 +
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"]]
1296 +
1297 +
1298 +
1299 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
1300 +
1301 +
1302 +* (((
1303 +(% style="color:#037691" %)** AT Command:**
1304 +)))
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 +
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.
1309 +
1310 +(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
1311 +
1312 +
1313 +* (((
1314 +(% style="color:#037691" %)**Downlink Payload:**
1315 +)))
1316 +
1317 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
1318 +
1319 +[[image:image-20220824144240-1.png]]
1320 +
1321 +
1322 +== 3.6 Listening mode for RS485 network ==
1323 +
1324 +
1325 +(((
1326 +This feature support since firmware v1.4
1327 +)))
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 +
1332 +
1333 +)))
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"]]
1336 +
1337 +(% title="Click and drag to resize" %)​
1338 +
1339 +(((
1340 +To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1341 +)))
1342 +
1343 +(((
1344 +
1345 +)))
1346 +
1347 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1348 +|=(% style="width: 100px;" %)(((
1349 +**Command example**
1350 +)))|=(% style="width: 400px;" %)(((
1351 +**Function**
1352 +)))
1353 +|(% style="width:100px" %)(((
1354 +AT+RXMODE=1,10
1355 +)))|(% style="width:400px" %)(((
1356 +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.
1357 +)))
1358 +|(% style="width:100px" %)(((
1359 +AT+RXMODE=2,500
1360 +)))|(% style="width:400px" %)(((
1361 +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
1362 +)))
1363 +|(% style="width:100px" %)(((
1364 +AT+RXMODE=0,0
1365 +)))|(% style="width:400px" %)(((
1366 +Disable listening mode. This is the default settings.
1367 +)))
1368 +|(% style="width:100px" %)(((
1369 +
1370 +)))|(% style="width:400px" %)(((
1371 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1372 +)))
1373 +
1374 +(((
1375 +
1376 +
1377 +(% style="color:#037691" %)**Downlink Command:**
1378 +)))
1379 +
1380 +(((
1381 +(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1382 +)))
1383 +
1384 +(((
1385 +
1386 +)))
1387 +
1388 +(((
1389 +**Example**:
1390 +)))
1391 +
1392 +(((
1393 +The RS485-LN is set to AT+RXMODE=2,1000
1394 +)))
1395 +
1396 +(((
1397 +There is a two Modbus commands in the RS485 network as below:
1398 +)))
1399 +
1400 +(((
1401 +The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1402 +)))
1403 +
1404 +(((
1405 +And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1406 +)))
1407 +
1408 +(((
1409 +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**
1410 +
1411 +
1412 +)))
1413 +
1414 +(((
1415 +(% 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" %)​
1416 +)))
1417 +
1418 +(((
1419 +
1420 +)))
1421 +
1422 +(((
1423 +(((
1424 +(% 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.**
1425 +)))
1426 +)))
1427 +
1428 +
1429 +== 3.7 Buttons ==
1430 +
1431 +
1432 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1433 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1434 +|(% 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**
1435 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1436 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1437 +
1438 +
1439 +
1440 +== 3.8 LEDs ==
1441 +
1442 +
1443 +(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1444 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1445 +|**PWR**|Always on if there is power
1446 +|**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.
1447 +
1448 +
1449 +
1450 += 4. Case Study =
1451 +
1452 +
1453 +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]]
1454 +
1455 +
1456 += 5. Use AT Command =
1457 +
1458 +== 5.1 Access AT Command ==
1459 +
1460 +
1461 +(((
1462 +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.
1463 +
1464 +
1465 +)))
1466 +
1467 +(% 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" %)​
1468 +
1469 +
1470 +
1471 +(((
1472 +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:
1473 +
1474 +
1475 +)))
1476 +
1477 +(% 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" %)​
1478 +
1479 +
1480 +(((
1481 +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/]]
1482 +)))
1483 +
1484 +
1485 +== 5.2 Common AT Command Sequence ==
1486 +
1487 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1488 +
1489 +
1490 +If device has not joined network yet:
1491 +
1492 +* (% style="color:#037691" %)**AT+FDR**
1493 +* (% style="color:#037691" %)**AT+NJM=0**
1494 +* (% style="color:#037691" %)**ATZ**
1495 +
1496 +(((
1497 +
1498 +
1499 +If device already joined network:
1500 +
1501 +* (% style="color:#037691" %)**AT+NJM=0**
1502 +* (% style="color:#037691" %)**ATZ**
1503 +)))
1504 +
1505 +
1506 +
1507 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1508 +
1509 +
1510 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1511 +
1512 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1513 +
1514 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1515 +
1516 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1517 +
1518 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1519 +
1520 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1521 +
1522 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1523 +
1524 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1525 +
1526 +(% 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.
1527 +
1528 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1529 +
1530 +
1531 +(% style="color:red" %)**Note:**
1532 +
1533 +(((
1534 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1535 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1536 +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.
1537 +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
1538 +
1539 +
1540 +)))
1541 +
1542 +(% 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" %)​
1543 +
1544 +
1545 += 6. FAQ =
1546 +
1547 +== 6.1 How to upgrade the image? ==
1548 +
1549 +
1550 +(((
1551 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1552 +)))
1553 +
1554 +* (((
1555 +Support new features
1556 +)))
1557 +* (((
1558 +For bug fix
1559 +)))
1560 +* (((
1561 +Change LoRaWAN bands.
1562 +)))
1563 +
1564 +(((
1565 +Below shows the hardware connection for how to upload an image to RS485-LN:
1566 +)))
1567 +
1568 +(% 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"]]
1569 +
1570 +(% title="Click and drag to resize" %)​
1571 +
1572 +(((
1573 +(% 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]].
1574 +
1575 +
1576 +)))
1577 +
1578 +(((
1579 +(% 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]].
1580 +
1581 +
1582 +)))
1583 +
1584 +(((
1585 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1586 +
1587 +
1588 +)))
1589 +
1590 +(((
1591 +(((
1592 +(((
1593 +(% 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.
1594 +)))
1595 +)))
1596 +)))
1597 +
1598 +
1599 +(% 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" %)​
1600 +
1601 +
1602 +(% 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" %)​
1603 +
1604 +
1605 +(% 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" %)​
1606 +
1607 +
1608 +(% 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:**
1609 +
1610 +(% 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" %)​
1611 +
1612 +
1613 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1614 +
1615 +
1616 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1617 +
1618 +
1619 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1620 +
1621 +
1622 +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"]].
1623 +
1624 +
1625 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1626 +
1627 +
1628 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1629 +
1630 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1631 +
1632 +
1633 +== 6.5 Can i use point to point communication for RS485-LN? ==
1634 +
1635 +
1636 +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]].
1637 +
1638 +
1639 +== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1640 +
1641 +
1642 +[[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/]]
1643 +
1644 +
1645 +== 6.7 How to judge whether there is a problem with the set COMMAND ==
1646 +
1647 +=== 6.7.1 Introduce: ===
1648 +
1649 +
1650 +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:
1651 +
1652 +1. Test if Modbus-MTU works with PC commands.
1653 +1. Check if RS485-LN sent the expected command to Mobus-MTU
1654 +1. Check if Modbus-MTU return back the expected result to RS485-LN.
1655 +1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1656 +
1657 +[[image:image-20221130104310-1.png||height="380" width="680"]]
1658 +
1659 +
1660 +Example Connection:
1661 +
1662 +[[image:image-20221130104310-2.png]]
1663 +
1664 +
1665 +=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1666 +
1667 +
1668 +(% style="color:red" %)**Note: Receive and send set to hex mode**
1669 +
1670 +[[image:image-20221130104310-3.png||height="616" width="714"]]
1671 +
1672 +
1673 +=== 6.7.3 With ModRSsim2: ===
1674 +
1675 +
1676 +(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1677 +
1678 +[[image:image-20221130104310-4.png||height="390" width="865"]]
1679 +
1680 +
1681 +(% style="color:blue" %)**(2) Click the serial port icon**
1682 +
1683 +[[image:image-20221130104310-5.png||height="392" width="870"]]
1684 +
1685 +
1686 +(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1687 +
1688 +[[image:image-20221130104310-6.png]]
1689 +
1690 +
1691 +(% style="color:blue" %)**(4) Click the comms.**
1692 +
1693 +[[image:image-20221130104310-7.png||height="376" width="835"]]
1694 +
1695 +(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1696 +**Run RS485-LN/BL command and monitor if it is correct.**
1697 +
1698 +
1699 +=== 6.7.4 Example – Test the CFGDEV command ===
1700 +
1701 +
1702 +RS485-LN sent below command:
1703 +
1704 +(% style="color:blue" %)**AT+CFGDEV=01 03 20 00 01 85 c0,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1705 +
1706 +
1707 +We can see the output from the Serial port tool to analyze. And check if they are expected result.
1708 +
1709 +[[image:image-20221130104310-8.png||height="214" width="797"]]
1710 +
1711 +
1712 +We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1713 +
1714 +[[image:image-20221130104310-9.png||height="531" width="729"]]
1715 +
1716 +
1717 +=== 6.7.5 Example – Test CMD command sets. ===
1718 +
1719 +
1720 +Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1721 +
1722 +
1723 +(% style="color:blue" %)**Serial port tool:**
1724 +
1725 +[[image:image-20221130104310-10.png||height="339" width="844"]]
1726 +
1727 +
1728 +(% style="color:blue" %)**ModRSsim2:**
1729 +
1730 +[[image:image-20221130104310-11.png||height="281" width="962"]]
1731 +
1732 +
1733 +=== 6.7.6 Test with PC ===
1734 +
1735 +
1736 +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.
1737 +
1738 +
1739 +Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1740 +
1741 +(% style="color:blue" %)**Connection method：**
1742 +
1743 +[[image:image-20221130104310-12.png]]
1744 +
1745 +
1746 +(% style="color:blue" %)**Link situation:**
1747 +
1748 +[[image:image-20221130104310-13.png||height="458" width="486"]]
1749 +
1750 +
1751 +[[image:image-20221130104310-14.png||height="371" width="823"]]
1752 +
1753 +
1754 +== 6.8 Where to get the decoder for RS485-LN? ==
1755 +
1756 +
1757 +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)
1758 +
1759 +
1760 += 7. Trouble Shooting =
1761 +
1762 +== 7.1 Downlink doesn't work, how to solve it? ==
1763 +
1764 +
1765 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1766 +
1767 +
1768 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1769 +
1770 +
1771 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1772 +
1773 +
1774 += 8. Order Info =
1775 +
1776 +
1777 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1778 +
1779 +(% style="color:blue" %)**XXX:**
1780 +
1781 +* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1782 +* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1783 +* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1784 +* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1785 +* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1786 +* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1787 +* (% style="color:red" %)**US915**(%%):  frequency bands US915
1788 +* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1789 +* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1790 +* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1791 +
1792 +
1793 +
1794 += 9. Packing Info =
1795 +
1796 +
1797 +**Package Includes**:
1798 +
1799 +* RS485-LN x 1
1800 +* Stick Antenna for LoRa RF part x 1
1801 +* Program cable x 1
1802 +
1803 +**Dimension and weight**:
1804 +
1805 +* Device Size: 13.5 x 7 x 3 cm
1806 +* Device Weight: 105g
1807 +* Package Size / pcs : 14.5 x 8 x 5 cm
1808 +* Weight / pcs : 170g
1809 +
1810 +
1811 +
1812 += 10. FCC Caution for RS485LN-US915 =
1813 +
1814 +
1815 +(((
1816 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1817 +)))
1818 +
1819 +(((
1820 +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.
1821 +)))
1822 +
1823 +(((
1824 +
1825 +)))
1826 +
1827 +(((
1828 +(% style="color:red" %)**IMPORTANT NOTE:**
1829 +)))
1830 +
1831 +(((
1832 +(% 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:
1833 +)))
1834 +
1835 +(((
1836 +—Reorient or relocate the receiving antenna.
1837 +)))
1838 +
1839 +(((
1840 +—Increase the separation between the equipment and receiver.
1841 +)))
1842 +
1843 +(((
1844 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1845 +)))
1846 +
1847 +(((
1848 +—Consult the dealer or an experienced radio/TV technician for help.
1849 +)))
1850 +
1851 +(((
1852 +
1853 +)))
1854 +
1855 +(((
1856 +(% style="color:red" %)**FCC Radiation Exposure Statement:**
1857 +)))
1858 +
1859 +(((
1860 +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.
1861 +)))
1862 +
1863 +
1864 += 11. Support =
1865 +
1866 +
1867 +* (((
1868 +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.
1869 +)))
1870 +* (((
1871 +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]].
1872 +
1873 +
1874 +
1875 +)))
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