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Last modified by Mengting Qiu on 2025/07/14 09:59
From version 35.5
edited by Xiaoling
on 2022/06/02 15:48
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To version 71.1
edited by Bei Jinggeng
on 2022/08/24 14:54
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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
... ... @@ -1,1 +1,1 @@
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
... ... @@ -89,8 +89,10 @@
89 89  * Support Interrupt uplink (Since hardware version v1.2)
90 90  
91 91  
127 +
92 92  == 1.4 Applications ==
93 93  
130 +
94 94  * Smart Buildings & Home Automation
95 95  * Logistics and Supply Chain Management
96 96  * Smart Metering
... ... @@ -99,19 +99,28 @@
99 99  * Smart Factory
100 100  
101 101  
139 +
102 102  == 1.5 Firmware Change log ==
103 103  
142 +
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  
146 +
107 107  == 1.6 Hardware Change log ==
108 108  
149 +
109 109  (((
110 110  (((
152 +(((
111 111  v1.2: Add External Interrupt Pin.
154 +)))
112 112  
156 +(((
113 113  v1.0: Release
158 +)))
114 114  
160 +
115 115  
116 116  )))
117 117  )))
... ... @@ -118,6 +118,7 @@
118 118  
119 119  = 2. Power ON Device =
120 120  
167 +
121 121  (((
122 122  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
123 123  
... ... @@ -128,8 +128,9 @@
128 128  Once there is power, the RS485-LN will be on.
129 129  )))
130 130  
131 -[[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" %)​
132 132  
180 +
133 133  
134 134  )))
135 135  
... ... @@ -137,17 +137,22 @@
137 137  
138 138  == 3.1 How it works? ==
139 139  
188 +
140 140  (((
190 +(((
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.
192 +)))
142 142  
194 +
143 143  
144 144  )))
145 145  
146 146  == 3.2 Example to join LoRaWAN network ==
147 147  
200 +
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"]]
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" %)​
151 151  
152 152  
153 153  (((
... ... @@ -159,14 +159,17 @@
159 159  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
160 160  )))
161 161  
162 -[[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" %)​
163 163  
217 +
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:
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 +
166 166  )))
167 167  
168 168  (((
169 -**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.
170 170  )))
171 171  
172 172  (((
... ... @@ -174,8 +174,9 @@
174 174  )))
175 175  )))
176 176  
177 -[[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" %)​
178 178  
235 +
179 179  (((
180 180  (((
181 181  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -182,65 +182,75 @@
182 182  )))
183 183  
184 184  (((
185 -Add APP EUI in the application.
242 +**Add APP EUI in the application.**
186 186  )))
187 187  )))
188 188  
189 -[[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" %)​
190 190  
191 -[[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" %)​
192 192  
193 -[[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" %)​
194 194  
195 -[[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" %)​
196 196  
197 197  You can also choose to create the device manually.
198 198  
199 -[[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" %)​
200 200  
201 -Add APP KEY and DEV EUI
202 202  
203 -[[image:1652953553383-907.png||height="514" width="724"]]
204 204  
260 +**Add APP KEY and DEV EUI**
205 205  
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 +
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.
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.
208 208  )))
209 209  
210 -[[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" %)​
211 211  
212 212  
272 +
213 213  == 3.3 Configure Commands to read data ==
214 214  
275 +
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.
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.
218 218  )))
281 +)))
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
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 +)))
222 222  
288 +
223 223  
224 224  )))
225 225  )))
226 226  
227 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
293 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
228 228  
295 +
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" %)(((
298 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
299 +|=(% style="width: 110px;" %)(((
233 233  **AT Commands**
234 -)))|(% style="width:305px" %)(((
301 +)))|=(% style="width: 190px;" %)(((
235 235  **Description**
236 -)))|(% style="width:346px" %)(((
303 +)))|=(% style="width: 190px;" %)(((
237 237  **Example**
238 238  )))
239 -|(% style="width:128px" %)(((
306 +|(% style="width:110px" %)(((
240 240  AT+BAUDR
241 -)))|(% style="width:305px" %)(((
308 +)))|(% style="width:190px" %)(((
242 242  Set the baud rate (for RS485 connection). Default Value is: 9600.
243 -)))|(% style="width:346px" %)(((
310 +)))|(% 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" %)(((
319 +|(% style="width:110px" %)(((
253 253  AT+PARITY
254 -)))|(% style="width:305px" %)(((
321 +)))|(% style="width:190px" %)(((
255 255  Set UART parity (for RS485 connection)
256 -)))|(% style="width:346px" %)(((
323 +)))|(% 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" %)(((
332 +|(% style="width:110px" %)(((
266 266  AT+STOPBIT
267 -)))|(% style="width:305px" %)(((
334 +)))|(% 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" %)(((
342 +)))|(% style="width:190px" %)(((
276 276  (((
277 277  AT+STOPBIT=0 for 1bit
278 278  )))
... ... @@ -287,27 +287,39 @@
287 287  )))
288 288  
289 289  
357 +
290 290  === 3.3.2 Configure sensors ===
291 291  
360 +
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.
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 +
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" %)(((
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 +(((
301 301  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
374 +)))
302 302  
376 +(((
303 303  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
378 +)))
304 304  
380 +(((
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
382 +)))
383 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
307 307  
308 308  
386 +
309 309  === 3.3.3 Configure read commands for each sampling ===
310 310  
389 +
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  
... ... @@ -318,7 +318,7 @@
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:**
400 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
322 322  
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  
... ... @@ -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:
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:
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**
418 +(% style="color:#037691" %)**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.
430 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
353 353  
354 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
355 -|(% style="width:722px" %)(((
432 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
433 +|(% 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:
443 +* (% style="color:#037691" %)**Grab bytes**
366 366  
367 -[[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" %)​
368 368  
369 369  
370 -* Grab a section.
371 371  
372 -[[image:image-20220602153621-2.png]]
449 +* (% style="color:#037691" %)**Grab a section**
373 373  
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" %)​
374 374  
375 -* Grab different sections.
376 376  
377 -[[image:image-20220602153621-3.png]]
378 378  
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 +
379 379  
380 380  )))
381 381  
382 382  === 3.3.4 Compose the uplink payload ===
383 383  
465 +
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  
... ... @@ -409,10 +409,10 @@
409 409  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
410 410  )))
411 411  
412 -[[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" %)​
413 413  
414 414  
415 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
497 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
416 416  
417 417  
418 418  Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
... ... @@ -421,687 +421,1001 @@
421 421  
422 422  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
423 423  
424 -1. Battery Info (2 bytes): Battery voltage
425 -1. PAYVER (1 byte): Defined by AT+PAYVER
426 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
427 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
428 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
429 429  
430 -[[image:1653269916228-732.png||height="433" width="711"]]
507 +1. PAYVER: Defined by AT+PAYVER
508 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
509 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
510 +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
431 431  
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" %)​
432 432  
433 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
434 434  
435 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
515 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
436 436  
437 -DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
517 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
438 438  
439 -DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
519 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
440 440  
441 -Below are the uplink payloads:
521 +DATA3=the rest of Valid value of RETURN10= **30**
442 442  
443 -[[image:1653270130359-810.png]]
444 444  
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:**
445 445  
446 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
526 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
447 447  
448 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
528 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
449 449  
450 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
530 + * For US915 band, max 11 bytes for each uplink.
451 451  
452 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
532 + ~* For all other bands: max 51 bytes for each uplink.
453 453  
454 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
455 455  
456 -=== 3.3.5 Uplink on demand ===
535 +Below are the uplink payloads:
457 457  
458 -Except uplink periodically, RS485-BL is able to uplink on demand. The server sends downlink command to RS485-BL and RS485 will uplink data base on the command.
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" %)​
459 459  
460 -Downlink control command:
461 461  
462 -[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
463 463  
464 -[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
541 +=== 3.3.5 Uplink on demand ===
465 465  
466 466  
544 +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.
467 467  
468 -1.
469 -11.
470 -111. Uplink on Interrupt
546 +Downlink control command:
471 471  
472 -Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
548 +**0x08 command**: Poll an uplink with current command set in RS485-LN.
473 473  
474 -AT+INTMOD=0  Disable Interrupt
550 +**0xA8 command**: Send a command to RS485-LN and uplink the output from sensors.
475 475  
476 -AT+INTMOD=1  Interrupt trigger by rising or falling edge.
477 477  
478 -AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
479 479  
480 -AT+INTMOD=3  Interrupt trigger by rising edge.
554 +=== 3.3.6 Uplink on Interrupt ===
481 481  
482 482  
483 -1.
484 -11. Uplink Payload
557 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
485 485  
486 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
487 -|Value|(((
488 -Battery(mV)
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" %)​
489 489  
490 -&
561 +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.
491 491  
492 -Interrupt _Flag
493 -)))|(((
494 -PAYLOAD_VER
495 495  
496 -
497 -)))|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.
498 498  
499 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
565 +== 3.4 Uplink Payload ==
500 500  
501 501  
502 -function Decoder(bytes, port) {
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" %)​
503 503  
504 -~/~/Payload Formats of RS485-BL Deceive
570 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
505 505  
506 -return {
507 507  
508 - ~/~/Battery,units:V
509 509  
510 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
574 +== 3.5 Configure RS485-LN via AT or Downlink ==
511 511  
512 - ~/~/GPIO_EXTI 
513 513  
514 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
577 +(((
578 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
579 +)))
515 515  
516 - ~/~/payload of version
581 +(((
582 +There are two kinds of Commands:
583 +)))
517 517  
518 - Pay_ver:bytes[2],
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 +)))
519 519  
520 - };
589 +* (((
590 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
591 +)))
521 521  
522 - }
593 +(((
594 +
595 +)))
523 523  
524 524  
525 525  
599 +=== 3.5.1 Common Commands ===
526 526  
527 527  
602 +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]]
528 528  
529 529  
530 -TTN V3 uplink screen shot.
531 531  
532 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
606 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
533 533  
534 -1.
535 -11. Configure RS485-BL via AT or Downlink
536 536  
537 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
609 +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.
538 538  
539 -There are two kinds of Commands:
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" %)​
540 540  
541 -* **Common Commands**: They should be available for each sensor, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: http:~/~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands
613 +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)
542 542  
543 -* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
544 544  
545 -1.
546 -11.
547 -111. Common Commands:
548 548  
549 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.3, user can find what common commands it supports: [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands]]
617 +=== 3.5.3 Sensor related commands ===
550 550  
551 551  
552 -1.
553 -11.
554 -111. Sensor related commands:
555 555  
556 -==== Choose Device Type (RS485 or TTL) ====
557 557  
558 -RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
622 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
559 559  
560 -* AT Command
561 561  
562 -**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
625 +(((
626 +This command is used to configure the RS485 devices; they won't be used during sampling.
627 +)))
563 563  
564 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
629 +* (((
630 +(% style="color:#037691" %)**AT Command**
565 565  
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 +)))
566 566  
567 -* Downlink Payload
637 +(((
638 +
639 +)))
568 568  
569 -**0A aa**     à same as AT+MOD=aa
641 +* (((
642 +(% style="color:#037691" %)**Downlink Payload**
643 +)))
570 570  
645 +(((
646 +Format: A8 MM NN XX XX XX XX YY
647 +)))
571 571  
649 +(((
650 +Where:
651 +)))
572 572  
573 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
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 +)))
574 574  
575 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
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 +)))
576 576  
577 -* AT Command
678 +(((
679 +
578 578  
579 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
681 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
682 +)))
580 580  
581 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
684 +(((
685 +To connect a Modbus Alarm with below commands.
686 +)))
582 582  
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 +)))
583 583  
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 +)))
584 584  
585 -* Downlink Payload
696 +(((
697 +
586 586  
587 -Format: A8 MM NN XX XX XX XX YY
699 +So if user want to use downlink command to control to RS485 Alarm, he can use:
700 +)))
588 588  
589 -Where:
702 +(((
703 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
704 +)))
590 590  
591 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
592 -* NN: The length of RS485 command
593 -* XX XX XX XX: RS485 command total NN bytes
594 -* YY: How many bytes will be uplink from the return of this RS485 command, if YY=0, RS485-BL will execute the downlink command without uplink; if YY>0, RS485-BL will uplink total YY bytes from the output of this RS485 command
706 +(((
707 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
708 +)))
595 595  
596 -**Example 1:**
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 +)))
597 597  
598 -To connect a Modbus Alarm with below commands.
714 +(((
715 +
716 +)))
599 599  
600 -* 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.
718 +(((
719 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
720 +)))
601 601  
602 -* 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.
722 +(((
723 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
724 +)))
603 603  
604 -So if user want to use downlink command to control to RS485 Alarm, he can use:
726 +(((
727 +
728 +)))
605 605  
606 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
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 +)))
607 607  
608 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
735 +
736 +)))
609 609  
610 -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.
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 +)))
611 611  
612 612  
613 -**Example 2:**
614 614  
615 -Check TTL Sensor return:
616 616  
617 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
745 +==== (% style="color:blue" %)**Set Payload version**(%%) ====
618 618  
619 619  
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 +)))
620 620  
752 +* (((
753 +(% style="color:#037691" %)**AT Command:**
621 621  
622 -==== Set Payload version ====
755 +**AT+PAYVER:    **Set PAYVER field = 1
623 623  
624 -This is the first byte of the uplink payload. RS485-BL can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
757 +
758 +)))
759 +* (((
760 +(% style="color:#037691" %)**Downlink Payload:**
761 +)))
625 625  
626 -* AT Command:
763 +(((
764 +**0xAE 01**  ~-~->  Set PAYVER field =  0x01
765 +)))
627 627  
628 -AT+PAYVER: Set PAYVER field = 1
767 +(((
768 +**0xAE 0F**   ~-~->  Set PAYVER field =  0x0F
769 +)))
629 629  
630 630  
631 -* Downlink Payload:
632 632  
633 -0xAE 01   à Set PAYVER field =  0x01
634 634  
635 -0xAE 0F   à Set PAYVER field =  0x0F
774 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
636 636  
637 637  
638 -==== Set RS485 Sampling Commands ====
777 +(((
778 +AT+COMMANDx or AT+DATACUTx
779 +)))
639 639  
640 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
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 +)))
641 641  
642 -These three commands are used to configure how the RS485-BL polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>path:#polling_485]].
785 +(((
786 +
787 +)))
643 643  
789 +* (((
790 +(% style="color:#037691" %)**AT Command:**
791 +)))
644 644  
645 -* AT Command:
793 +**AT+COMMANDx:    **Configure RS485 read command to sensor.
646 646  
647 -AT+COMMANDx: Configure RS485 read command to sensor.
795 +**AT+DATACUTx:        **Configure how to handle return from RS485 devices.
648 648  
649 -AT+DATACUTx: Configure how to handle return from RS485 devices.
650 650  
651 -AT+SEARCHx: Configure search command
798 +* (((
799 +(% style="color:#037691" %)**Downlink Payload:**
800 +)))
652 652  
802 +(((
803 +**0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
653 653  
654 -* Downlink Payload:
805 +
806 +)))
655 655  
656 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
808 +(((
809 +(% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
657 657  
658 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
811 +
812 +)))
659 659  
814 +(((
660 660  Format: AF MM NN LL XX XX XX XX YY
816 +)))
661 661  
818 +(((
662 662  Where:
820 +)))
663 663  
664 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
665 -* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
666 -* LL: The length of AT+COMMAND or AT+DATACUT command
667 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
668 -* YY: If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-BL will execute an uplink after got this command.
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 +)))
669 669  
670 -Example:
838 +(((
839 +
671 671  
672 -**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
841 +**Example:**
842 +)))
673 673  
674 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
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 +)))
675 675  
676 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
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 +)))
677 677  
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 +)))
678 678  
679 -0xAB downlink command can be used for set AT+SEARCHx
680 680  
681 -Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
682 682  
683 -* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
684 -* AB aa 02 03 xx xx xx 02 yy yy(03 means there are 3 bytes after 03, they are xx xx xx;02 means there are 2 bytes after 02, they are yy yy) so the commands
685 685  
686 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
859 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
687 687  
688 688  
689 -==== Fast command to handle MODBUS device ====
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 +)))
690 690  
691 -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]].
692 -
866 +(((
693 693  This command is valid since v1.3 firmware version
868 +)))
694 694  
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 +)))
695 695  
696 -AT+MBFUN has only two value:
874 +(((
875 +
876 +)))
697 697  
698 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
878 +(((
879 +**Example:**
880 +)))
699 699  
700 -AT+MBFUN=1, device can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
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.
701 701  
702 -* AT+MBFUN=0: Disable Modbus fast reading.
891 +
892 +)))
703 703  
704 -Example:
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" %)​
705 705  
706 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
707 -* 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.
708 -* 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.
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" %)​
709 709  
710 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
711 711  
712 712  
713 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
714 714  
901 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
715 715  
716 -* Downlink Commands:
717 717  
718 -A9 aa -à Same as AT+MBFUN=aa
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 +)))
719 719  
908 +(((
909 +Default value: 0, range:  0 ~~ 65 seconds
910 +)))
720 720  
721 -==== RS485 command timeout ====
912 +* (((
913 +(% style="color:#037691" %)** AT Command:**
722 722  
723 -Some Modbus device has slow action to send replies. This command is used to configure the RS485-BL to use longer time to wait for their action.
915 +**AT+CMDDLaa=hex(bb cc)*1000**
916 +)))
724 724  
725 -Default value: 0, range:  0 ~~ 5 seconds
918 +(((
919 +
726 726  
921 +**Example:**
922 +)))
727 727  
728 -* AT Command:
924 +(((
925 +**AT+CMDDL1=1000** to send the open time to 1000ms
926 +)))
729 729  
730 -AT+CMDDLaa=hex(bb cc)
928 +(((
929 +
930 +)))
731 731  
732 -Example:
932 +* (((
933 +(% style="color:#037691" %)** Downlink Payload:**
934 +)))
733 733  
734 -**AT+CMDDL1=1000** to send the open time to 1000ms
936 +(((
937 +**0x AA aa bb cc**
938 +)))
735 735  
940 +(((
941 +Same as: AT+CMDDLaa=hex(bb cc)*1000
942 +)))
736 736  
737 -* Downlink Payload:
944 +(((
945 +**Example:**
946 +)))
738 738  
739 -0x AA aa bb cc
948 +(((
949 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
950 +)))
740 740  
741 -Same as: AT+CMDDLaa=hex(bb cc)
742 742  
743 - Example:
744 744  
745 - 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
746 746  
955 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
747 747  
748 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
749 749  
958 +(((
750 750  Define to use one uplink or multiple uplinks for the sampling.
960 +)))
751 751  
752 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
962 +(((
963 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
753 753  
754 -* AT Command:
965 +
966 +)))
755 755  
756 -AT+DATAUP=0
968 +* (((
969 +(% style="color:#037691" %)** AT Command:**
970 +)))
757 757  
758 -AT+DATAUP=1
972 +**AT+DATAUP=0**
759 759  
974 +**AT+DATAUP=1**
760 760  
761 -* Downlink Payload:
762 762  
763 -0xAD 00   à Same as AT+DATAUP=0
977 +* (((
978 +(% style="color:#037691" %)** Downlink Payload:**
979 +)))
764 764  
765 -0xAD 01   à Same as AT+DATAUP=1
981 +(((
982 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
983 +)))
766 766  
985 +(((
986 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1
987 +)))
767 767  
768 -==== Manually trigger an Uplink ====
769 769  
990 +
991 +
992 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
993 +
994 +
995 +(((
770 770  Ask device to send an uplink immediately.
997 +)))
771 771  
772 -* Downlink Payload:
999 +* (((
1000 +(% style="color:#037691" %)** AT Command:**
1001 +)))
773 773  
774 -0x08 FF, RS485-BL will immediately send an uplink.
1003 +(((
1004 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1005 +)))
775 775  
1007 +(((
1008 +
1009 +)))
776 776  
777 -==== Clear RS485 Command ====
1011 +* (((
1012 +(% style="color:#037691" %)** Downlink Payload:**
1013 +)))
778 778  
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 +(((
779 779  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
780 780  
1028 +
1029 +)))
781 781  
782 -* AT Command:
1031 +* (((
1032 +(% style="color:#037691" %)** AT Command:**
1033 +)))
783 783  
1035 +(((
784 784  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1037 +)))
785 785  
1039 +(((
786 786  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1041 +)))
787 787  
1043 +(((
788 788  Example screen shot after clear all RS485 commands. 
1045 +)))
789 789  
1047 +(((
1048 +
1049 +)))
790 790  
791 -
1051 +(((
792 792  The uplink screen shot is:
1053 +)))
793 793  
794 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
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" %)​
795 795  
796 796  
797 -* Downlink Payload:
1058 +* (((
1059 +(% style="color:#037691" %)** Downlink Payload:**
1060 +)))
798 798  
799 -0x09 aa bb same as AT+CMDEAR=aa,bb
1062 +(((
1063 +**0x09 aa bb** same as AT+CMDEAR=aa,bb
1064 +)))
800 800  
801 801  
802 -==== Set Serial Communication Parameters ====
803 803  
804 -Set the Rs485 serial communication parameters:
805 805  
806 -* AT Command:
1069 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
807 807  
808 -Set Baud Rate:
809 809  
810 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1072 +(((
1073 +Set the Rs485 serial communication parameters:
1074 +)))
811 811  
1076 +* (((
1077 +(% style="color:#037691" %)** AT Command:**
1078 +)))
812 812  
813 -Set UART parity
1080 +(((
1081 +
814 814  
815 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1083 +* Set Baud Rate
1084 +)))
816 816  
1086 +**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
817 817  
818 -Set STOPBIT
819 819  
820 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1089 +(((
1090 +* Set UART Parity
1091 +)))
821 821  
1093 +**AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
822 822  
823 -* Downlink Payload:
824 824  
825 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1096 +(((
1097 +* Set STOPBIT
1098 +)))
826 826  
827 -Example:
1100 +**AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
828 828  
829 -* A7 01 00 60   same as AT+BAUDR=9600
830 -* A7 01 04 80  same as AT+BAUDR=115200
831 831  
832 -A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
833 833  
834 -A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1104 +* (((
1105 +(% style="color:#037691" %)** Downlink Payload:**
1106 +)))
835 835  
1108 +(((
1109 +**A7 01 aa bb**:  Same  AT+BAUDR=hex(aa bb)*100
1110 +)))
836 836  
837 -==== Control output power duration ====
1112 +(((
1113 +**Example:**
1114 +)))
838 838  
839 -User can set the output power duration before each sampling.
1116 +* (((
1117 +A7 01 00 60   same as AT+BAUDR=9600
1118 +)))
1119 +* (((
1120 +A7 01 04 80  same as AT+BAUDR=115200
1121 +)))
840 840  
841 -* AT Command:
1123 +(((
1124 +A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1125 +)))
842 842  
843 -Example:
1127 +(((
1128 +A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1129 +)))
844 844  
845 -AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
846 846  
847 -AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
848 848  
849 849  
850 -* LoRaWAN Downlink Command:
1134 +== 3.6 Listening mode for RS485 network ==
851 851  
852 -07 01 aa bb  Same as AT+5VT=(aa bb)
853 853  
854 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1137 +(((
1138 +This feature support since firmware v1.4
1139 +)))
855 855  
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.
856 856  
1144 +
1145 +)))
857 857  
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" %)​
858 858  
859 -1.
860 -11. Buttons
1149 +(((
1150 +To enable the listening mode, use can run the command AT+RXMODE.
1151 +)))
861 861  
862 -|**Button**|**Feature**
863 -|**RST**|Reboot RS485-BL
1153 +(((
1154 +
1155 +)))
864 864  
865 -1.
866 -11. +3V3 Output
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 +)))
867 867  
868 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1184 +(((
1185 +(% style="color:#037691" %)** Downlink Command:**
1186 +)))
869 869  
870 -The +3V3 output will be valid for every sampling. RS485-BL will enable +3V3 output before all sampling and disable the +3V3 after all sampling. 
1188 +(((
1189 +**0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1190 +)))
871 871  
1192 +(((
1193 +
1194 +)))
872 872  
873 -The +3V3 output time can be controlled by AT Command.
1196 +(((
1197 +**Example**:
1198 +)))
874 874  
875 -**AT+3V3T=1000**
1200 +(((
1201 +The RS485-LN is set to AT+RXMODE=2,1000
1202 +)))
876 876  
877 -Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1204 +(((
1205 +There is a two Modbus commands in the RS485 network as below:
1206 +)))
878 878  
1208 +(((
1209 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1210 +)))
879 879  
880 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1212 +(((
1213 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1214 +)))
881 881  
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 +)))
882 882  
883 -1.
884 -11. +5V Output
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 +)))
885 885  
886 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1224 +(((
1225 +
1226 +)))
887 887  
888 -The +5V output will be valid for every sampling. RS485-BL will enable +5V output before all sampling and disable the +5v after all sampling. 
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 +)))
889 889  
890 890  
891 -The 5V output time can be controlled by AT Command.
892 892  
893 -**AT+5VT=1000**
1236 +== 3.7 Buttons ==
894 894  
895 -Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
896 896  
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"]]
897 897  
898 -By default, the AT+5VT=0. If the external sensor which require 5v and require more time to get stable state, user can use this command to increase the power ON duration for this sensor.
899 899  
900 900  
901 901  
1248 +== 3.8 LEDs ==
902 902  
903 -1.
904 -11. LEDs
905 905  
906 -|**LEDs**|**Feature**
907 -|**LED1**|Blink when device transmit a packet.
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.
908 908  
909 -1.
910 -11. Switch Jumper
911 911  
912 -|**Switch Jumper**|**Feature**
913 -|**SW1**|(((
914 -ISP position: Upgrade firmware via UART
915 915  
916 -Flash position: Configure device, check running status.
917 -)))
918 -|**SW2**|(((
919 -5V position: set to compatible with 5v I/O.
920 920  
921 -3.3v position: set to compatible with 3.3v I/O.,
922 -)))
1259 += 4. Case Study =
923 923  
924 -+3.3V: is always ON
925 925  
926 -+5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
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]]
927 927  
928 -1. Case Study
929 929  
930 -User can check this URL for some case studies.
931 931  
932 -[[http:~~/~~/wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS>>url:http://wiki.dragino.com/index.php?title=APP_RS485_COMMUNICATE_WITH_SENSORS]]
1266 += 5. Use AT Command =
933 933  
934 934  
1269 +== 5.1 Access AT Command ==
935 935  
936 936  
937 -1. Use AT Command
938 -11. Access AT Command
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 +)))
939 939  
940 -RS485-BL supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-BL to use AT command, as below.
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" %)​
941 941  
942 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
943 943  
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 +)))
944 944  
945 -In PC, User needs to set **serial tool**(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to **9600** to access to access serial console of RS485-BL. The default password is 123456. Below is the output for reference:
1283 +(% 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" %)​
946 946  
947 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
948 948  
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 +)))
949 949  
950 950  
951 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
952 952  
1292 +== 5.2 Common AT Command Sequence ==
953 953  
954 954  
955 -1.
956 -11. Common AT Command Sequence
957 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1295 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
958 958  
1297 +
959 959  If device has not joined network yet:
960 960  
961 -AT+FDR
1300 +* (% style="color:#037691" %)**AT+FDR**
1301 +* (% style="color:#037691" %)**AT+NJM=0**
1302 +* (% style="color:#037691" %)**ATZ**
962 962  
963 -AT+NJM=0
1304 +(((
1305 +
964 964  
965 -ATZ
1307 +If device already joined network:
966 966  
1309 +* (% style="color:#037691" %)**AT+NJM=0**
1310 +* (% style="color:#037691" %)**ATZ**
967 967  
968 -If device already joined network:
1312 +
1313 +)))
969 969  
970 -AT+NJM=0
971 971  
972 -ATZ
973 973  
974 -1.
975 -11.
976 -111. Single-channel ABP mode (Use with LG01/LG02)
1317 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
977 977  
978 -AT+FDR   Reset Parameters to Factory Default, Keys Reserve
979 979  
980 -AT+NJM=0 Set to ABP mode
1320 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
981 981  
982 -AT+ADR=0 Set the Adaptive Data Rate Off
1322 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
983 983  
984 -AT+DR=5  Set Data Rate
1324 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
985 985  
986 -AT+TDC=60000  Set transmit interval to 60 seconds
1326 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
987 987  
988 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1328 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
989 989  
990 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1330 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
991 991  
992 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1332 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
993 993  
994 -AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1334 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
995 995  
996 -ATZ          Reset MCU
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.
997 997  
998 -**Note:**
1338 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
999 999  
1000 -1. Make sure the device is set to ABP mode in the IoT Server.
1001 -1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1002 -1. Make sure SF / bandwidth setting in LG01/LG02 match the settings of AT+DR. refer [[this link>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/&file=LoRaWAN%201.0.3%20Regional%20Parameters.xlsx]] to see what DR means.
1003 -1. The command AT+RX2FQ and AT+RX2DR is to let downlink work. to set the correct parameters, user can check the actually downlink parameters to be used. As below. Which shows the RX2FQ should use 868400000 and RX2DR should be 5
1004 1004  
1005 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1341 +(% style="color:red" %)**Note:**
1006 1006  
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
1007 1007  
1008 -1. FAQ
1009 -11. How to upgrade the image?
1349 +
1350 +)))
1010 1010  
1011 -The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
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" %)​
1012 1012  
1013 -* Support new features
1014 -* For bug fix
1015 -* Change LoRaWAN bands.
1016 1016  
1017 -Below shows the hardware connection for how to upload an image to RS485-BL:
1018 1018  
1019 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1356 += 6. FAQ =
1020 1020  
1021 -**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]].
1022 1022  
1023 -**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1359 +== 6.1 How to upgrade the image? ==
1024 1024  
1025 -**Step3: **Open flashloader; choose the correct COM port to update.
1026 1026  
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 +)))
1027 1027  
1028 -|(((
1029 -HOLD PRO then press the RST button, SYS will be ON, then click next
1366 +* (((
1367 +Support new features
1030 1030  )))
1369 +* (((
1370 +For bug fix
1371 +)))
1372 +* (((
1373 +Change LoRaWAN bands.
1374 +)))
1031 1031  
1032 -|(((
1033 -Board detected
1376 +(((
1377 +Below shows the hardware connection for how to upload an image to RS485-LN:
1034 1034  )))
1035 1035  
1036 -|(((
1037 -
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]].
1038 1038  )))
1039 1039  
1040 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image032.png]]
1388 +(((
1389 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1390 +)))
1041 1041  
1392 +(((
1393 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1394 +)))
1042 1042  
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 +)))
1043 1043  
1044 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image033.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image034.png]]
1045 1045  
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" %)​
1046 1046  
1047 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]]
1048 1048  
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" %)​
1049 1049  
1050 -1.
1051 -11. How to change the LoRa Frequency Bands/Region?
1052 1052  
1053 -User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
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" %)​
1054 1054  
1055 1055  
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:**
1056 1056  
1057 -1.
1058 -11. How many RS485-Slave can RS485-BL connects?
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" %)​
1059 1059  
1060 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>path:#downlink_A8]].
1061 1061  
1062 1062  
1420 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
1063 1063  
1064 1064  
1065 -1. Trouble Shooting     
1066 -11. Downlink doesn’t work, how to solve it?
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.
1067 1067  
1068 -Please see this link for debug:
1069 1069  
1070 -[[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug>>url:http://wiki.dragino.com/index.php?title=Main_Page#LoRaWAN_Communication_Debug]] 
1071 1071  
1427 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1072 1072  
1073 1073  
1074 -1.
1075 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
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"]].
1076 1076  
1077 -It might about the channels mapping. Please see for detail.
1078 1078  
1079 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]
1080 1080  
1434 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1081 1081  
1082 1082  
1083 -1. Order Info
1437 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1084 1084  
1085 -**Part Number: RS485-BL-XXX**
1439 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1086 1086  
1087 -**XXX:**
1088 1088  
1089 -* **EU433**: frequency bands EU433
1090 -* **EU868**: frequency bands EU868
1091 -* **KR920**: frequency bands KR920
1092 -* **CN470**: frequency bands CN470
1093 -* **AS923**: frequency bands AS923
1094 -* **AU915**: frequency bands AU915
1095 -* **US915**: frequency bands US915
1096 -* **IN865**: frequency bands IN865
1097 -* **RU864**: frequency bands RU864
1098 -* **KZ865: **frequency bands KZ865
1099 1099  
1100 -1. Packing Info
1443 +== 6.5 Can i use point to point communication for RS485-LN? ==
1101 1101  
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 +
1102 1102  **Package Includes**:
1103 1103  
1104 -* RS485-BL x 1
1500 +* RS485-LN x 1
1105 1105  * Stick Antenna for LoRa RF part x 1
1106 1106  * Program cable x 1
1107 1107  
... ... @@ -1112,9 +1112,71 @@
1112 1112  * Package Size / pcs : 14.5 x 8 x 5 cm
1113 1113  * Weight / pcs : 170g
1114 1114  
1115 -1. Support
1116 1116  
1117 -* 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.
1118 -* 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
1119 1119  
1120 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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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