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

From version 41.2
edited by Xiaoling
on 2022/06/02 16:36
Change comment: There is no comment for this version
To version 70.1
edited by Bei Jinggeng
on 2022/08/24 14:54
Change comment: Uploaded new attachment "image-20220824145428-2.png", version {1}

Summary

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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 +1,33 @@
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  
26 +
27 +
28 +
29 +
30 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
... ... @@ -18,31 +18,46 @@
18 18  
19 19  (((
20 20  (((
37 +(((
38 +
39 +
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  )))
42 +)))
23 23  
24 24  (((
45 +(((
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  )))
48 +)))
27 27  
28 28  (((
51 +(((
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  )))
54 +)))
31 31  
32 32  (((
57 +(((
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.
59 +)))
34 34  
61 +(((
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]]
63 +
64 +
36 36  )))
37 37  )))
67 +)))
38 38  
39 -[[image:1653267211009-519.png||height="419" width="724"]]
69 +(% 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  
72 +
42 42  == 1.2 Specifications ==
43 43  
44 44  
45 -**Hardware System:**
76 +(% style="color:#037691" %)**Hardware System:**
46 46  
47 47  * STM32L072CZT6 MCU
48 48  * SX1276/78 Wireless Chip 
... ... @@ -50,13 +50,15 @@
50 50  ** Idle: 32mA@12v
51 51  ** 20dB Transmit: 65mA@12v
52 52  
53 -**Interface for Model:**
54 54  
85 +(% style="color:#037691" %)**Interface for Model:**
86 +
55 55  * RS485
56 56  * Power Input 7~~ 24V DC. 
57 57  
58 -**LoRa Spec:**
59 59  
91 +(% style="color:#037691" %)**LoRa Spec:**
92 +
60 60  * Frequency Range:
61 61  ** Band 1 (HF): 862 ~~ 1020 Mhz
62 62  ** Band 2 (LF): 410 ~~ 528 Mhz
... ... @@ -74,11 +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.
110 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  
113 +
80 80  == 1.3 Features ==
81 81  
116 +
82 82  * LoRaWAN Class A & Class C protocol (default Class C)
83 83  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
84 84  * AT Commands to change parameters
... ... @@ -88,8 +88,11 @@
88 88  * Support Modbus protocol
89 89  * Support Interrupt uplink (Since hardware version v1.2)
90 90  
126 +
127 +
91 91  == 1.4 Applications ==
92 92  
130 +
93 93  * Smart Buildings & Home Automation
94 94  * Logistics and Supply Chain Management
95 95  * Smart Metering
... ... @@ -97,19 +97,29 @@
97 97  * Smart Cities
98 98  * Smart Factory
99 99  
138 +
139 +
100 100  == 1.5 Firmware Change log ==
101 101  
142 +
102 102  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
103 103  
104 104  
146 +
105 105  == 1.6 Hardware Change log ==
106 106  
149 +
107 107  (((
108 108  (((
152 +(((
109 109  v1.2: Add External Interrupt Pin.
154 +)))
110 110  
156 +(((
111 111  v1.0: Release
158 +)))
112 112  
160 +
113 113  
114 114  )))
115 115  )))
... ... @@ -116,6 +116,7 @@
116 116  
117 117  = 2. Power ON Device =
118 118  
167 +
119 119  (((
120 120  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
121 121  
... ... @@ -126,8 +126,9 @@
126 126  Once there is power, the RS485-LN will be on.
127 127  )))
128 128  
129 -[[image:1653268091319-405.png]]
178 +(% 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" %)​
130 130  
180 +
131 131  
132 132  )))
133 133  
... ... @@ -135,17 +135,22 @@
135 135  
136 136  == 3.1 How it works? ==
137 137  
188 +
138 138  (((
190 +(((
139 139  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.
192 +)))
140 140  
194 +
141 141  
142 142  )))
143 143  
144 144  == 3.2 Example to join LoRaWAN network ==
145 145  
200 +
146 146  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. 
147 147  
148 -[[image:1653268155545-638.png||height="334" width="724"]]
203 +(% 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" %)​
149 149  
150 150  
151 151  (((
... ... @@ -157,14 +157,17 @@
157 157  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
158 158  )))
159 159  
160 -[[image:1653268227651-549.png||height="592" width="720"]]
215 +(% 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" %)​
161 161  
217 +
162 162  (((
163 -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:
219 +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:
220 +
221 +
164 164  )))
165 165  
166 166  (((
167 -**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.
168 168  )))
169 169  
170 170  (((
... ... @@ -172,8 +172,9 @@
172 172  )))
173 173  )))
174 174  
175 -[[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" %)​
176 176  
235 +
177 177  (((
178 178  (((
179 179  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -180,65 +180,75 @@
180 180  )))
181 181  
182 182  (((
183 -Add APP EUI in the application.
242 +**Add APP EUI in the application.**
184 184  )))
185 185  )))
186 186  
187 -[[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" %)​
188 188  
189 -[[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" %)​
190 190  
191 -[[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" %)​
192 192  
193 -[[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" %)​
194 194  
195 195  You can also choose to create the device manually.
196 196  
197 -[[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" %)​
198 198  
199 -Add APP KEY and DEV EUI
200 200  
201 -[[image:1652953553383-907.png||height="514" width="724"]]
202 202  
260 +**Add APP KEY and DEV EUI**
203 203  
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 +
204 204  (((
205 -**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.
206 206  )))
207 207  
208 -[[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" %)​
209 209  
210 210  
272 +
211 211  == 3.3 Configure Commands to read data ==
212 212  
275 +
213 213  (((
214 214  (((
215 -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.
216 216  )))
281 +)))
217 217  
218 218  (((
219 -(% 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 +)))
220 220  
288 +
221 221  
222 222  )))
223 223  )))
224 224  
225 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
226 226  
295 +
227 227  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:
228 228  
229 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
230 -|(% style="width:128px" %)(((
298 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
299 +|=(% style="width: 110px;" %)(((
231 231  **AT Commands**
232 -)))|(% style="width:305px" %)(((
301 +)))|=(% style="width: 190px;" %)(((
233 233  **Description**
234 -)))|(% style="width:346px" %)(((
303 +)))|=(% style="width: 190px;" %)(((
235 235  **Example**
236 236  )))
237 -|(% style="width:128px" %)(((
306 +|(% style="width:110px" %)(((
238 238  AT+BAUDR
239 -)))|(% style="width:305px" %)(((
308 +)))|(% style="width:190px" %)(((
240 240  Set the baud rate (for RS485 connection). Default Value is: 9600.
241 -)))|(% style="width:346px" %)(((
310 +)))|(% style="width:190px" %)(((
242 242  (((
243 243  AT+BAUDR=9600
244 244  )))
... ... @@ -247,11 +247,11 @@
247 247  Options: (1200,2400,4800,14400,19200,115200)
248 248  )))
249 249  )))
250 -|(% style="width:128px" %)(((
319 +|(% style="width:110px" %)(((
251 251  AT+PARITY
252 -)))|(% style="width:305px" %)(((
321 +)))|(% style="width:190px" %)(((
253 253  Set UART parity (for RS485 connection)
254 -)))|(% style="width:346px" %)(((
323 +)))|(% style="width:190px" %)(((
255 255  (((
256 256  AT+PARITY=0
257 257  )))
... ... @@ -260,9 +260,9 @@
260 260  Option: 0: no parity, 1: odd parity, 2: even parity
261 261  )))
262 262  )))
263 -|(% style="width:128px" %)(((
332 +|(% style="width:110px" %)(((
264 264  AT+STOPBIT
265 -)))|(% style="width:305px" %)(((
334 +)))|(% style="width:190px" %)(((
266 266  (((
267 267  Set serial stopbit (for RS485 connection)
268 268  )))
... ... @@ -270,7 +270,7 @@
270 270  (((
271 271  
272 272  )))
273 -)))|(% style="width:346px" %)(((
342 +)))|(% style="width:190px" %)(((
274 274  (((
275 275  AT+STOPBIT=0 for 1bit
276 276  )))
... ... @@ -284,26 +284,40 @@
284 284  )))
285 285  )))
286 286  
356 +
357 +
287 287  === 3.3.2 Configure sensors ===
288 288  
360 +
289 289  (((
290 290  (((
291 -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.
363 +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.
364 +
365 +
292 292  )))
293 293  )))
294 294  
295 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
296 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
297 -|AT+CFGDEV|(% style="width:418px" %)(((
369 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
370 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
371 +|AT+CFGDEV|(% style="width:110px" %)(((
372 +(((
298 298  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
374 +)))
299 299  
376 +(((
300 300  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
378 +)))
301 301  
380 +(((
302 302  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
303 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
382 +)))
383 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
304 304  
385 +
386 +
305 305  === 3.3.3 Configure read commands for each sampling ===
306 306  
389 +
307 307  (((
308 308  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.
309 309  
... ... @@ -314,7 +314,7 @@
314 314  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
315 315  
316 316  
317 -**Each RS485 commands include two parts:**
400 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
318 318  
319 319  ~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.
320 320  
... ... @@ -325,15 +325,14 @@
325 325  
326 326  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
327 327  
328 -
329 329  Below are examples for the how above AT Commands works.
330 330  
331 331  
332 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
414 +(% 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:
333 333  
334 334  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
335 335  |(% style="width:496px" %)(((
336 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
418 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
337 337  
338 338  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
339 339  
... ... @@ -345,10 +345,10 @@
345 345  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
346 346  
347 347  
348 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
430 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
349 349  
350 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
351 -|(% style="width:722px" %)(((
432 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
433 +|(% style="width:510px" %)(((
352 352  **AT+DATACUTx=a,b,c**
353 353  
354 354  * **a: length for the return of AT+COMMAND**
... ... @@ -358,25 +358,29 @@
358 358  
359 359  **Examples:**
360 360  
361 -* Grab bytes:
443 +* (% style="color:#037691" %)**Grab bytes**
362 362  
363 -[[image:image-20220602153621-1.png]]
445 +(% 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" %)​
364 364  
365 365  
366 -* Grab a section.
367 367  
368 -[[image:image-20220602153621-2.png]]
449 +* (% style="color:#037691" %)**Grab a section**
369 369  
451 +(% 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" %)​
370 370  
371 -* Grab different sections.
372 372  
373 -[[image:image-20220602153621-3.png]]
374 374  
455 +* (% style="color:#037691" %)**Grab different sections**
456 +
457 +(% 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" %)​
458 +
459 +
375 375  
376 376  )))
377 377  
378 378  === 3.3.4 Compose the uplink payload ===
379 379  
465 +
380 380  (((
381 381  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.**
382 382  
... ... @@ -405,7 +405,7 @@
405 405  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
406 406  )))
407 407  
408 -[[image:1653269759169-150.png||height="513" width="716"]]
494 +(% 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" %)​
409 409  
410 410  
411 411  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -417,12 +417,13 @@
417 417  
418 418  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
419 419  
506 +
420 420  1. PAYVER: Defined by AT+PAYVER
421 421  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
422 422  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
423 423  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
424 424  
425 -[[image:image-20220602155039-4.png]]
512 +(% 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" %)​
426 426  
427 427  
428 428  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
... ... @@ -434,7 +434,7 @@
434 434  DATA3=the rest of Valid value of RETURN10= **30**
435 435  
436 436  
437 -(% 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:
524 +(% 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:**
438 438  
439 439   ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
440 440  
... ... @@ -447,11 +447,13 @@
447 447  
448 448  Below are the uplink payloads:
449 449  
450 -[[image:1654157178836-407.png]]
537 +(% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
451 451  
452 452  
540 +
453 453  === 3.3.5 Uplink on demand ===
454 454  
543 +
455 455  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.
456 456  
457 457  Downlink control command:
... ... @@ -464,58 +464,1026 @@
464 464  
465 465  === 3.3.6 Uplink on Interrupt ===
466 466  
556 +
467 467  RS485-LN support external Interrupt uplink since hardware v1.2 release.
468 468  
469 -[[image:1654157342174-798.png]]
559 +(% 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" %)​
470 470  
471 471  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.
472 472  
473 473  
564 +
474 474  == 3.4 Uplink Payload ==
475 475  
476 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
477 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
478 -|Value|(% style="width:120px" %)(((
479 -Battery(mV)
480 480  
481 -&
568 +(% 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" %)​
482 482  
483 -Interrupt _Flag
484 -)))|(% style="width:116px" %)(((
485 -PAYLOAD_VER
570 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
486 486  
487 -
488 -)))|(% 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.
489 489  
490 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
491 491  
574 +== 3.5 Configure RS485-LN via AT or Downlink ==
492 492  
493 -== 3.5 Configure RS485-BL via AT or Downlink ==
494 494  
577 +(((
495 495  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
579 +)))
496 496  
581 +(((
497 497  There are two kinds of Commands:
583 +)))
498 498  
499 -* (% 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]]
585 +* (((
586 +(% 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]]
587 +)))
500 500  
501 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
589 +* (((
590 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
591 +)))
502 502  
593 +(((
594 +
595 +)))
596 +
597 +
598 +
503 503  === 3.5.1 Common Commands ===
504 504  
601 +
505 505  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]]
506 506  
507 507  
508 -=== 3.5.2 Sensor related commands ===
509 509  
606 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
607 +
608 +
510 510  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.
511 511  
512 -[[image:image-20220602163333-5.png||height="263" width="1160"]]
611 +(% 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" %)​
513 513  
514 514  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)
515 515  
516 516  
517 -3.5.3 Sensor related commands
518 518  
519 -==== ====
617 +=== 3.5.3 Sensor related commands ===
520 520  
521 -==== ====
619 +
620 +
621 +
622 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
623 +
624 +
625 +(((
626 +This command is used to configure the RS485 devices; they won't be used during sampling.
627 +)))
628 +
629 +* (((
630 +(% style="color:#037691" %)**AT Command**
631 +
632 +(((
633 +**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
634 +)))
635 +)))
636 +
637 +(((
638 +
639 +)))
640 +
641 +* (((
642 +(% style="color:#037691" %)**Downlink Payload**
643 +)))
644 +
645 +(((
646 +Format: A8 MM NN XX XX XX XX YY
647 +)))
648 +
649 +(((
650 +Where:
651 +)))
652 +
653 +* (((
654 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
655 +)))
656 +* (((
657 +NN: The length of RS485 command
658 +)))
659 +* (((
660 +XX XX XX XX: RS485 command total NN bytes
661 +)))
662 +* (((
663 +(((
664 +YY: How many bytes will be uplink from the return of this RS485 command,
665 +)))
666 +
667 +* (((
668 +if YY=0, RS485-LN will execute the downlink command without uplink;
669 +)))
670 +* (((
671 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
672 +)))
673 +* (((
674 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
675 +)))
676 +)))
677 +
678 +(((
679 +
680 +
681 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
682 +)))
683 +
684 +(((
685 +To connect a Modbus Alarm with below commands.
686 +)))
687 +
688 +* (((
689 +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.
690 +)))
691 +
692 +* (((
693 +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.
694 +)))
695 +
696 +(((
697 +
698 +
699 +So if user want to use downlink command to control to RS485 Alarm, he can use:
700 +)))
701 +
702 +(((
703 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
704 +)))
705 +
706 +(((
707 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
708 +)))
709 +
710 +(((
711 +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.
712 +)))
713 +
714 +(((
715 +
716 +)))
717 +
718 +(((
719 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
720 +)))
721 +
722 +(((
723 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
724 +)))
725 +
726 +(((
727 +
728 +)))
729 +
730 +(((
731 +(((
732 +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**
733 +)))
734 +
735 +
736 +)))
737 +
738 +(((
739 + (% 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" %)​
740 +)))
741 +
742 +
743 +
744 +
745 +==== (% style="color:blue" %)**Set Payload version**(%%) ====
746 +
747 +
748 +(((
749 +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.
750 +)))
751 +
752 +* (((
753 +(% style="color:#037691" %)**AT Command:**
754 +
755 +**AT+PAYVER:    **Set PAYVER field = 1
756 +
757 +
758 +)))
759 +* (((
760 +(% style="color:#037691" %)**Downlink Payload:**
761 +)))
762 +
763 +(((
764 +**0xAE 01**  ~-~->  Set PAYVER field =  0x01
765 +)))
766 +
767 +(((
768 +**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
769 +)))
770 +
771 +
772 +
773 +
774 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
775 +
776 +
777 +(((
778 +AT+COMMANDx or AT+DATACUTx
779 +)))
780 +
781 +(((
782 +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"]].
783 +)))
784 +
785 +(((
786 +
787 +)))
788 +
789 +* (((
790 +(% style="color:#037691" %)**AT Command:**
791 +)))
792 +
793 +**AT+COMMANDx:    **Configure RS485 read command to sensor.
794 +
795 +**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
796 +
797 +
798 +* (((
799 +(% style="color:#037691" %)**Downlink Payload:**
800 +)))
801 +
802 +(((
803 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
804 +
805 +
806 +)))
807 +
808 +(((
809 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
810 +
811 +
812 +)))
813 +
814 +(((
815 +Format: AF MM NN LL XX XX XX XX YY
816 +)))
817 +
818 +(((
819 +Where:
820 +)))
821 +
822 +* (((
823 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
824 +)))
825 +* (((
826 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
827 +)))
828 +* (((
829 +LL:  The length of AT+COMMAND or AT+DATACUT command
830 +)))
831 +* (((
832 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
833 +)))
834 +* (((
835 +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.
836 +)))
837 +
838 +(((
839 +
840 +
841 +**Example:**
842 +)))
843 +
844 +(((
845 +(% 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
846 +)))
847 +
848 +(((
849 +(% 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**
850 +)))
851 +
852 +(((
853 +(% 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**
854 +)))
855 +
856 +
857 +
858 +
859 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
860 +
861 +
862 +(((
863 +**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]].
864 +)))
865 +
866 +(((
867 +This command is valid since v1.3 firmware version
868 +)))
869 +
870 +(((
871 +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.
872 +)))
873 +
874 +(((
875 +
876 +)))
877 +
878 +(((
879 +**Example:**
880 +)))
881 +
882 +* (((
883 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
884 +)))
885 +* (((
886 +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.
887 +)))
888 +* (((
889 +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.
890 +
891 +
892 +)))
893 +
894 +(% 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" %)​
895 +
896 +(% 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" %)​
897 +
898 +
899 +
900 +
901 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
902 +
903 +
904 +(((
905 +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.
906 +)))
907 +
908 +(((
909 +Default value: 0, range:  0 ~~ 65 seconds
910 +)))
911 +
912 +* (((
913 +(% style="color:#037691" %)** AT Command:**
914 +
915 +**AT+CMDDLaa=hex(bb cc)*1000**
916 +)))
917 +
918 +(((
919 +
920 +
921 +**Example:**
922 +)))
923 +
924 +(((
925 +**AT+CMDDL1=1000** to send the open time to 1000ms
926 +)))
927 +
928 +(((
929 +
930 +)))
931 +
932 +* (((
933 +(% style="color:#037691" %)** Downlink Payload:**
934 +)))
935 +
936 +(((
937 +**0x AA aa bb cc**
938 +)))
939 +
940 +(((
941 +Same as: AT+CMDDLaa=hex(bb cc)*1000
942 +)))
943 +
944 +(((
945 +**Example:**
946 +)))
947 +
948 +(((
949 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
950 +)))
951 +
952 +
953 +
954 +
955 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
956 +
957 +
958 +(((
959 +Define to use one uplink or multiple uplinks for the sampling.
960 +)))
961 +
962 +(((
963 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
964 +
965 +
966 +)))
967 +
968 +* (((
969 +(% style="color:#037691" %)** AT Command:**
970 +)))
971 +
972 +**AT+DATAUP=0**
973 +
974 +**AT+DATAUP=1**
975 +
976 +
977 +* (((
978 +(% style="color:#037691" %)** Downlink Payload:**
979 +)))
980 +
981 +(((
982 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
983 +)))
984 +
985 +(((
986 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
987 +)))
988 +
989 +
990 +
991 +
992 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
993 +
994 +
995 +(((
996 +Ask device to send an uplink immediately.
997 +)))
998 +
999 +* (((
1000 +(% style="color:#037691" %)** AT Command:**
1001 +)))
1002 +
1003 +(((
1004 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1005 +)))
1006 +
1007 +(((
1008 +
1009 +)))
1010 +
1011 +* (((
1012 +(% style="color:#037691" %)** Downlink Payload:**
1013 +)))
1014 +
1015 +(((
1016 +**0x08 FF**, RS485-LN will immediately send an uplink.
1017 +)))
1018 +
1019 +
1020 +
1021 +
1022 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1023 +
1024 +
1025 +(((
1026 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1027 +
1028 +
1029 +)))
1030 +
1031 +* (((
1032 +(% style="color:#037691" %)** AT Command:**
1033 +)))
1034 +
1035 +(((
1036 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1037 +)))
1038 +
1039 +(((
1040 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1041 +)))
1042 +
1043 +(((
1044 +Example screen shot after clear all RS485 commands. 
1045 +)))
1046 +
1047 +(((
1048 +
1049 +)))
1050 +
1051 +(((
1052 +The uplink screen shot is:
1053 +)))
1054 +
1055 +(% 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" %)​
1056 +
1057 +
1058 +* (((
1059 +(% style="color:#037691" %)** Downlink Payload:**
1060 +)))
1061 +
1062 +(((
1063 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1064 +)))
1065 +
1066 +
1067 +
1068 +
1069 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1070 +
1071 +
1072 +(((
1073 +Set the Rs485 serial communication parameters:
1074 +)))
1075 +
1076 +* (((
1077 +(% style="color:#037691" %)** AT Command:**
1078 +)))
1079 +
1080 +(((
1081 +
1082 +
1083 +* Set Baud Rate
1084 +)))
1085 +
1086 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1087 +
1088 +
1089 +(((
1090 +* Set UART Parity
1091 +)))
1092 +
1093 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1094 +
1095 +
1096 +(((
1097 +* Set STOPBIT
1098 +)))
1099 +
1100 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1101 +
1102 +
1103 +
1104 +* (((
1105 +(% style="color:#037691" %)** Downlink Payload:**
1106 +)))
1107 +
1108 +(((
1109 +**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1110 +)))
1111 +
1112 +(((
1113 +**Example:**
1114 +)))
1115 +
1116 +* (((
1117 +A7 01 00 60   same as AT+BAUDR=9600
1118 +)))
1119 +* (((
1120 +A7 01 04 80  same as AT+BAUDR=115200
1121 +)))
1122 +
1123 +(((
1124 +A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1125 +)))
1126 +
1127 +(((
1128 +A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1129 +)))
1130 +
1131 +
1132 +
1133 +
1134 +== 3.6 Listening mode for RS485 network ==
1135 +
1136 +
1137 +(((
1138 +This feature support since firmware v1.4
1139 +)))
1140 +
1141 +(((
1142 +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.
1143 +
1144 +
1145 +)))
1146 +
1147 +(% 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" %)​
1148 +
1149 +(((
1150 +To enable the listening mode, use can run the command AT+RXMODE.
1151 +)))
1152 +
1153 +(((
1154 +
1155 +)))
1156 +
1157 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1158 +|=(% style="width: 100px;" %)(((
1159 +**Command example**
1160 +)))|=(% style="width: 400px;" %)(((
1161 +**Function**
1162 +)))
1163 +|(% style="width:100px" %)(((
1164 +AT+RXMODE=1,10
1165 +)))|(% style="width:400px" %)(((
1166 +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.
1167 +)))
1168 +|(% style="width:100px" %)(((
1169 +AT+RXMODE=2,500
1170 +)))|(% style="width:400px" %)(((
1171 +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
1172 +)))
1173 +|(% style="width:100px" %)(((
1174 +AT+RXMODE=0,0
1175 +)))|(% style="width:400px" %)(((
1176 +Disable listening mode. This is the default settings.
1177 +)))
1178 +|(% style="width:100px" %)(((
1179 +
1180 +)))|(% style="width:400px" %)(((
1181 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1182 +)))
1183 +
1184 +(((
1185 +(% style="color:#037691" %)** Downlink Command:**
1186 +)))
1187 +
1188 +(((
1189 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1190 +)))
1191 +
1192 +(((
1193 +
1194 +)))
1195 +
1196 +(((
1197 +**Example**:
1198 +)))
1199 +
1200 +(((
1201 +The RS485-LN is set to AT+RXMODE=2,1000
1202 +)))
1203 +
1204 +(((
1205 +There is a two Modbus commands in the RS485 network as below:
1206 +)))
1207 +
1208 +(((
1209 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1210 +)))
1211 +
1212 +(((
1213 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1214 +)))
1215 +
1216 +(((
1217 +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
1218 +)))
1219 +
1220 +(((
1221 +(% 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" %)​
1222 +)))
1223 +
1224 +(((
1225 +
1226 +)))
1227 +
1228 +(((
1229 +(((
1230 +(% 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.**
1231 +)))
1232 +)))
1233 +
1234 +
1235 +
1236 +== 3.7 Buttons ==
1237 +
1238 +
1239 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1240 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1241 +|(% 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**
1242 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1243 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1244 +
1245 +
1246 +
1247 +
1248 +== 3.8 LEDs ==
1249 +
1250 +
1251 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1252 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1253 +|**PWR**|Always on if there is power
1254 +|**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.
1255 +
1256 +
1257 +
1258 +
1259 += 4. Case Study =
1260 +
1261 +
1262 +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]]
1263 +
1264 +
1265 +
1266 += 5. Use AT Command =
1267 +
1268 +
1269 +== 5.1 Access AT Command ==
1270 +
1271 +
1272 +(((
1273 +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.
1274 +)))
1275 +
1276 +(% 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" %)​
1277 +
1278 +
1279 +(((
1280 +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:
1281 +)))
1282 +
1283 +(% 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" %)​
1284 +
1285 +
1286 +(((
1287 +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/]]
1288 +)))
1289 +
1290 +
1291 +
1292 +== 5.2 Common AT Command Sequence ==
1293 +
1294 +
1295 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1296 +
1297 +
1298 +If device has not joined network yet:
1299 +
1300 +* (% style="color:#037691" %)**AT+FDR**
1301 +* (% style="color:#037691" %)**AT+NJM=0**
1302 +* (% style="color:#037691" %)**ATZ**
1303 +
1304 +(((
1305 +
1306 +
1307 +If device already joined network:
1308 +
1309 +* (% style="color:#037691" %)**AT+NJM=0**
1310 +* (% style="color:#037691" %)**ATZ**
1311 +
1312 +
1313 +)))
1314 +
1315 +
1316 +
1317 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
1318 +
1319 +
1320 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
1321 +
1322 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1323 +
1324 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
1325 +
1326 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
1327 +
1328 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
1329 +
1330 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1331 +
1332 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
1333 +
1334 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
1335 +
1336 +(% 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.
1337 +
1338 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1339 +
1340 +
1341 +(% style="color:red" %)**Note:**
1342 +
1343 +(((
1344 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1345 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1346 +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.
1347 +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
1348 +
1349 +
1350 +)))
1351 +
1352 +(% 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" %)​
1353 +
1354 +
1355 +
1356 += 6. FAQ =
1357 +
1358 +
1359 +== 6.1 How to upgrade the image? ==
1360 +
1361 +
1362 +(((
1363 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1364 +)))
1365 +
1366 +* (((
1367 +Support new features
1368 +)))
1369 +* (((
1370 +For bug fix
1371 +)))
1372 +* (((
1373 +Change LoRaWAN bands.
1374 +)))
1375 +
1376 +(((
1377 +Below shows the hardware connection for how to upload an image to RS485-LN:
1378 +)))
1379 +
1380 +(% 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"]]
1381 +
1382 +(% title="Click and drag to resize" %)​
1383 +
1384 +(((
1385 +(% 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]].
1386 +)))
1387 +
1388 +(((
1389 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1390 +)))
1391 +
1392 +(((
1393 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1394 +)))
1395 +
1396 +(((
1397 +(((
1398 +(((
1399 +(% 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.
1400 +)))
1401 +)))
1402 +)))
1403 +
1404 +
1405 +(% 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" %)​
1406 +
1407 +
1408 +(% 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" %)​
1409 +
1410 +
1411 +(% 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" %)​
1412 +
1413 +
1414 +(% 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:**
1415 +
1416 +(% 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" %)​
1417 +
1418 +
1419 +
1420 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1421 +
1422 +
1423 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1424 +
1425 +
1426 +
1427 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1428 +
1429 +
1430 +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"]].
1431 +
1432 +
1433 +
1434 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1435 +
1436 +
1437 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1438 +
1439 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1440 +
1441 +
1442 +
1443 +== 6.5 Can i use point to point communication for RS485-LN? ==
1444 +
1445 +
1446 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1447 +
1448 +
1449 +
1450 +== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1451 +
1452 +
1453 +[[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/]]
1454 +
1455 +
1456 +
1457 += 7. Trouble Shooting =
1458 +
1459 +
1460 +== 7.1 Downlink doesn't work, how to solve it? ==
1461 +
1462 +
1463 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1464 +
1465 +
1466 +
1467 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1468 +
1469 +
1470 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1471 +
1472 +
1473 +
1474 += 8. Order Info =
1475 +
1476 +
1477 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1478 +
1479 +(% style="color:blue" %)**XXX:**
1480 +
1481 +* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1482 +* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1483 +* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1484 +* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1485 +* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1486 +* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1487 +* (% style="color:red" %)**US915**(%%):  frequency bands US915
1488 +* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1489 +* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1490 +* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1491 +
1492 +
1493 +
1494 +
1495 += 9.Packing Info =
1496 +
1497 +
1498 +**Package Includes**:
1499 +
1500 +* RS485-LN x 1
1501 +* Stick Antenna for LoRa RF part x 1
1502 +* Program cable x 1
1503 +
1504 +**Dimension and weight**:
1505 +
1506 +* Device Size: 13.5 x 7 x 3 cm
1507 +* Device Weight: 105g
1508 +* Package Size / pcs : 14.5 x 8 x 5 cm
1509 +* Weight / pcs : 170g
1510 +
1511 +
1512 +
1513 +
1514 += 10. FCC Caution for RS485LN-US915 =
1515 +
1516 +
1517 +(((
1518 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1519 +)))
1520 +
1521 +(((
1522 +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.
1523 +)))
1524 +
1525 +(((
1526 +
1527 +)))
1528 +
1529 +(((
1530 +(% style="color:red" %)**IMPORTANT NOTE:**
1531 +)))
1532 +
1533 +(((
1534 +(% 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:
1535 +)))
1536 +
1537 +(((
1538 +—Reorient or relocate the receiving antenna.
1539 +)))
1540 +
1541 +(((
1542 +—Increase the separation between the equipment and receiver.
1543 +)))
1544 +
1545 +(((
1546 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1547 +)))
1548 +
1549 +(((
1550 +—Consult the dealer or an experienced radio/TV technician for help.
1551 +)))
1552 +
1553 +(((
1554 +
1555 +)))
1556 +
1557 +(((
1558 +(% style="color:red" %)**FCC Radiation Exposure Statement:**
1559 +)))
1560 +
1561 +(((
1562 +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.
1563 +)))
1564 +
1565 +
1566 +
1567 += 11. Support =
1568 +
1569 +
1570 +* (((
1571 +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.
1572 +)))
1573 +* (((
1574 +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]].
1575 +
1576 +
1577 +
1578 +)))
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