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Last modified by Mengting Qiu on 2025/07/14 09:59
From version 35.4
edited by Xiaoling
on 2022/06/02 15:46
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To version 75.1
edited by Bei Jinggeng
on 2022/09/29 11:11
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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
... ... @@ -1,48 +1,80 @@
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  
33 +
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
18 18  
19 19  (((
20 20  (((
38 +(((
39 +
40 +
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  )))
43 +)))
23 23  
24 24  (((
46 +(((
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  )))
49 +)))
27 27  
28 28  (((
52 +(((
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  )))
55 +)))
31 31  
32 32  (((
58 +(((
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.
60 +)))
34 34  
62 +(((
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]]
64 +
65 +
36 36  )))
37 37  )))
68 +)))
38 38  
39 -[[image:1653267211009-519.png||height="419" width="724"]]
70 +(% 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  
73 +
42 42  == 1.2 Specifications ==
43 43  
44 44  
45 -**Hardware System:**
77 +(% style="color:#037691" %)**Hardware System:**
46 46  
47 47  * STM32L072CZT6 MCU
48 48  * SX1276/78 Wireless Chip 
... ... @@ -50,12 +50,12 @@
50 50  ** Idle: 32mA@12v
51 51  ** 20dB Transmit: 65mA@12v
52 52  
53 -**Interface for Model:**
85 +(% style="color:#037691" %)**Interface for Model:**
54 54  
55 55  * RS485
56 56  * Power Input 7~~ 24V DC. 
57 57  
58 -**LoRa Spec:**
90 +(% style="color:#037691" %)**LoRa Spec:**
59 59  
60 60  * Frequency Range:
61 61  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -74,14 +74,14 @@
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.
109 +* Packet engine up to 256 bytes with CRC
78 78  
79 79  
80 -
81 81  == 1.3 Features ==
82 82  
114 +
83 83  * LoRaWAN Class A & Class C protocol (default Class C)
84 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
116 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
85 85  * AT Commands to change parameters
86 86  * Remote configure parameters via LoRa Downlink
87 87  * Firmware upgradable via program port
... ... @@ -90,9 +90,9 @@
90 90  * Support Interrupt uplink (Since hardware version v1.2)
91 91  
92 92  
93 -
94 94  == 1.4 Applications ==
95 95  
127 +
96 96  * Smart Buildings & Home Automation
97 97  * Logistics and Supply Chain Management
98 98  * Smart Metering
... ... @@ -101,20 +101,27 @@
101 101  * Smart Factory
102 102  
103 103  
104 -
105 105  == 1.5 Firmware Change log ==
106 106  
138 +
107 107  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
108 108  
109 109  
142 +
110 110  == 1.6 Hardware Change log ==
111 111  
145 +
112 112  (((
113 113  (((
148 +(((
114 114  v1.2: Add External Interrupt Pin.
150 +)))
115 115  
152 +(((
116 116  v1.0: Release
154 +)))
117 117  
156 +
118 118  
119 119  )))
120 120  )))
... ... @@ -121,6 +121,7 @@
121 121  
122 122  = 2. Power ON Device =
123 123  
163 +
124 124  (((
125 125  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
126 126  
... ... @@ -131,28 +131,36 @@
131 131  Once there is power, the RS485-LN will be on.
132 132  )))
133 133  
134 -[[image:1653268091319-405.png]]
174 +(% 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" %)​
135 135  
176 +
136 136  
137 137  )))
138 138  
139 139  = 3. Operation Mode =
140 140  
182 +
141 141  == 3.1 How it works? ==
142 142  
185 +
143 143  (((
187 +(((
144 144  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.
189 +)))
145 145  
191 +
146 146  
147 147  )))
148 148  
149 149  == 3.2 Example to join LoRaWAN network ==
150 150  
197 +
151 151  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. 
152 152  
153 -[[image:1653268155545-638.png||height="334" width="724"]]
154 154  
201 +(% 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" %)​
155 155  
203 +
156 156  (((
157 157  (((
158 158  The RS485-LN in this example connected to two RS485 devices for demonstration, user can connect to other RS485 devices via the same method. The connection is as below:
... ... @@ -160,16 +160,21 @@
160 160  
161 161  (((
162 162  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
211 +
212 +
163 163  )))
164 164  
165 -[[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" %)​
166 166  
217 +
167 167  (((
168 -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 +
169 169  )))
170 170  
171 171  (((
172 -**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.
173 173  )))
174 174  
175 175  (((
... ... @@ -177,73 +177,95 @@
177 177  )))
178 178  )))
179 179  
180 -[[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" %)​
181 181  
235 +
182 182  (((
183 183  (((
184 184  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
239 +
240 +
185 185  )))
186 186  
187 187  (((
188 -Add APP EUI in the application.
244 +**Add APP EUI in the application.**
189 189  )))
190 190  )))
191 191  
192 -[[image:image-20220519174512-1.png]]
248 +(% 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" %)​
193 193  
194 -[[image:image-20220519174512-2.png||height="323" width="720"]]
250 +(% 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" %)​
195 195  
196 -[[image:image-20220519174512-3.png||height="556" width="724"]]
252 +(% 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" %)​
197 197  
198 -[[image:image-20220519174512-4.png]]
254 +(% 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"]]
199 199  
256 +
257 +(% title="Click and drag to resize" %)​
258 +
200 200  You can also choose to create the device manually.
201 201  
202 -[[image:1652953542269-423.png||height="710" width="723"]]
261 +(% 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" %)​
203 203  
204 -Add APP KEY and DEV EUI
205 205  
206 -[[image:1652953553383-907.png||height="514" width="724"]]
207 207  
265 +**Add APP KEY and DEV EUI**
208 208  
267 +(% 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" %)​
268 +
269 +
270 +
209 209  (((
210 -**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.
272 +(% 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.
273 +
274 +
211 211  )))
212 212  
213 -[[image:1652953568895-172.png||height="232" width="724"]]
277 +(% 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" %)​
214 214  
215 215  
280 +
216 216  == 3.3 Configure Commands to read data ==
217 217  
283 +
218 218  (((
219 219  (((
220 -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.
286 +(((
287 +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.
288 +
289 +
221 221  )))
291 +)))
222 222  
223 223  (((
224 -(% 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
294 +(((
295 +(% 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**
296 +)))
225 225  
298 +
226 226  
227 227  )))
228 228  )))
229 229  
230 -=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
303 +=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
231 231  
305 +
232 232  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:
233 233  
234 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 -|(% style="width:128px" %)(((
308 +
309 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
310 +|=(% style="width: 110px;" %)(((
236 236  **AT Commands**
237 -)))|(% style="width:305px" %)(((
312 +)))|=(% style="width: 190px;" %)(((
238 238  **Description**
239 -)))|(% style="width:346px" %)(((
314 +)))|=(% style="width: 190px;" %)(((
240 240  **Example**
241 241  )))
242 -|(% style="width:128px" %)(((
317 +|(% style="width:110px" %)(((
243 243  AT+BAUDR
244 -)))|(% style="width:305px" %)(((
319 +)))|(% style="width:190px" %)(((
245 245  Set the baud rate (for RS485 connection). Default Value is: 9600.
246 -)))|(% style="width:346px" %)(((
321 +)))|(% style="width:190px" %)(((
247 247  (((
248 248  AT+BAUDR=9600
249 249  )))
... ... @@ -252,11 +252,11 @@
252 252  Options: (1200,2400,4800,14400,19200,115200)
253 253  )))
254 254  )))
255 -|(% style="width:128px" %)(((
330 +|(% style="width:110px" %)(((
256 256  AT+PARITY
257 -)))|(% style="width:305px" %)(((
332 +)))|(% style="width:190px" %)(((
258 258  Set UART parity (for RS485 connection)
259 -)))|(% style="width:346px" %)(((
334 +)))|(% style="width:190px" %)(((
260 260  (((
261 261  AT+PARITY=0
262 262  )))
... ... @@ -265,9 +265,9 @@
265 265  Option: 0: no parity, 1: odd parity, 2: even parity
266 266  )))
267 267  )))
268 -|(% style="width:128px" %)(((
343 +|(% style="width:110px" %)(((
269 269  AT+STOPBIT
270 -)))|(% style="width:305px" %)(((
345 +)))|(% style="width:190px" %)(((
271 271  (((
272 272  Set serial stopbit (for RS485 connection)
273 273  )))
... ... @@ -275,7 +275,7 @@
275 275  (((
276 276  
277 277  )))
278 -)))|(% style="width:346px" %)(((
353 +)))|(% style="width:190px" %)(((
279 279  (((
280 280  AT+STOPBIT=0 for 1bit
281 281  )))
... ... @@ -293,26 +293,36 @@
293 293  
294 294  === 3.3.2 Configure sensors ===
295 295  
371 +
296 296  (((
297 297  (((
298 -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.
374 +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.
375 +
376 +
299 299  )))
300 300  )))
301 301  
302 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
303 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
304 -|AT+CFGDEV|(% style="width:418px" %)(((
380 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
381 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
382 +|AT+CFGDEV|(% style="width:110px" %)(((
383 +(((
305 305  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
385 +)))
306 306  
387 +(((
307 307  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
389 +)))
308 308  
391 +(((
309 309  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
310 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
393 +)))
394 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
311 311  
312 312  
313 313  
314 314  === 3.3.3 Configure read commands for each sampling ===
315 315  
400 +
316 316  (((
317 317  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.
318 318  
... ... @@ -323,8 +323,9 @@
323 323  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
324 324  
325 325  
326 -**Each RS485 commands include two parts:**
411 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
327 327  
413 +
328 328  ~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.
329 329  
330 330  2. How to get wanted value the from RS485 sensors returns from by 1). There are total 15 AT Commands to handle the return, commands are **AT+DATACUT1**,**AT+DATACUT2**,…, **AT+DATACUTF** corresponding to the commands from 1). All commands are of same grammar.
... ... @@ -334,15 +334,14 @@
334 334  
335 335  After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
336 336  
337 -
338 338  Below are examples for the how above AT Commands works.
339 339  
340 340  
341 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
426 +(% 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:
342 342  
343 343  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
344 344  |(% style="width:496px" %)(((
345 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
430 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
346 346  
347 347  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
348 348  
... ... @@ -354,45 +354,53 @@
354 354  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
355 355  
356 356  
357 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
442 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
358 358  
359 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
360 -|(% style="width:722px" %)(((
444 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
445 +|(% style="width:510px" %)(((
361 361  **AT+DATACUTx=a,b,c**
362 362  
363 363  * **a: length for the return of AT+COMMAND**
364 364  * **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
365 -* **c: define the position for valid value. **
450 +* **c: define the position for valid value.  **
366 366  )))
367 367  
368 -
369 369  **Examples:**
370 370  
371 -* Grab bytes:
372 372  
373 -[[image:image-20220602153621-1.png]]
456 +* (% style="color:#037691" %)**Grab bytes**
374 374  
458 +(% 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" %)​
375 375  
376 -* Grab a section.
377 377  
378 -[[image:image-20220602153621-2.png]]
379 379  
462 +* (% style="color:#037691" %)**Grab a section**
380 380  
381 -* Grab different sections.
464 +(% 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" %)​
382 382  
383 -[[image:image-20220602153621-3.png]]
384 384  
467 +
468 +* (% style="color:#037691" %)**Grab different sections**
469 +
470 +(% 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" %)​
471 +
472 +
385 385  
386 386  )))
387 387  
388 388  === 3.3.4 Compose the uplink payload ===
389 389  
478 +
390 390  (((
391 391  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.**
481 +
482 +
392 392  )))
393 393  
394 394  (((
395 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
486 +(% style="color:#037691" %)**Examples: AT+DATAUP=0**
487 +
488 +
396 396  )))
397 397  
398 398  (((
... ... @@ -400,708 +400,1215 @@
400 400  )))
401 401  
402 402  (((
403 -Final Payload is
496 +Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
404 404  )))
405 405  
406 406  (((
407 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
408 -)))
409 -
410 -(((
411 411  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
501 +
502 +
412 412  )))
413 413  
414 -[[image:1653269759169-150.png||height="513" width="716"]]
505 +[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
415 415  
416 -(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
417 417  
418 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
508 +(% style="color:#037691" %)**Examples: AT+DATAUP=1**
419 419  
420 -Final Payload is
421 421  
422 -(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
511 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
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
513 +Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
429 429  
430 -[[image:1653269916228-732.png||height="433" width="711"]]
431 431  
516 +1. PAYVER: Defined by AT+PAYVER
517 +1. PAYLOAD COUNT: Total how many uplinks of this sampling.
518 +1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
519 +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
432 432  
433 -So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
521 +(% 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" %)​
434 434  
435 -DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
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
524 +So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
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
526 +DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
440 440  
441 -Below are the uplink payloads:
528 +DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
442 442  
443 -[[image:1653270130359-810.png]]
530 +DATA3=the rest of Valid value of RETURN10= **30**
444 444  
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:**
533 +(% 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:**
447 447  
448 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
449 449  
450 - * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
536 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
451 451  
452 - * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
538 + * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
453 453  
454 - ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
540 + * For US915 band, max 11 bytes for each uplink.
455 455  
456 -=== 3.3.5 Uplink on demand ===
542 + ~* For all other bands: max 51 bytes for each uplink.
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.
544 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
459 459  
460 -Downlink control command:
546 +(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
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.
465 465  
466 466  
551 +Below are the uplink payloads:
467 467  
468 -1.
469 -11.
470 -111. Uplink on Interrupt
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]]
554 +(% 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" %)​
473 473  
474 -AT+INTMOD=0  Disable Interrupt
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)
558 +=== 3.3.5 Uplink on demand ===
479 479  
480 -AT+INTMOD=3  Interrupt trigger by rising edge.
481 481  
561 +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.
482 482  
483 -1.
484 -11. Uplink Payload
563 +(% style="color:blue" %)**Downlink control command:**
485 485  
486 -|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
487 -|Value|(((
488 -Battery(mV)
565 +(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
489 489  
490 -&
567 +(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
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.
571 +=== 3.3.6 Uplink on Interrupt ===
500 500  
501 501  
502 -function Decoder(bytes, port) {
574 +RS485-LN support external Interrupt uplink since hardware v1.2 release.
503 503  
504 -~/~/Payload Formats of RS485-BL Deceive
505 505  
506 -return {
577 +(% 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" %)​
507 507  
508 - ~/~/Battery,units:V
579 +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.
509 509  
510 - BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
511 511  
512 - ~/~/GPIO_EXTI 
513 513  
514 - EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
583 +== 3.4 Uplink Payload ==
515 515  
516 - ~/~/payload of version
517 517  
518 - Pay_ver:bytes[2],
586 +(% 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"]]
519 519  
520 - };
588 +(% title="Click and drag to resize" %)​
521 521  
522 - }
590 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
523 523  
524 524  
525 525  
594 +== 3.5 Configure RS485-LN via AT or Downlink ==
526 526  
527 527  
597 +(((
598 +User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
599 +)))
528 528  
601 +(((
602 +There are two kinds of Commands:
603 +)))
529 529  
530 -TTN V3 uplink screen shot.
605 +* (((
606 +(% 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]]
607 +)))
531 531  
532 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
609 +* (((
610 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
611 +)))
533 533  
534 -1.
535 -11. Configure RS485-BL via AT or Downlink
613 +(((
614 +
615 +)))
536 536  
537 -User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
538 538  
539 -There are two kinds of Commands:
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
619 +=== 3.5.1 Common Commands ===
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:
622 +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]]
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]]
550 550  
551 551  
552 -1.
553 -11.
554 -111. Sensor related commands:
626 +=== 3.5.2 Downlink Response(Since firmware v1.4) ===
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.
629 +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.
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.
632 +(% 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"]]
563 563  
564 -**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
634 +(% title="Click and drag to resize" %)​
565 565  
636 +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)
566 566  
567 -* Downlink Payload
568 568  
569 -**0A aa**     à same as AT+MOD=aa
570 570  
640 +=== 3.5.3 Sensor related commands ===
571 571  
572 572  
573 -==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
574 574  
575 -This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
576 576  
577 -* AT Command
645 +==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
578 578  
579 -AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
580 580  
581 -m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
648 +(((
649 +This command is used to configure the RS485 devices; they won't be used during sampling.
650 +)))
582 582  
652 +(((
653 +* (% style="color:#037691" %)**AT Command**
583 583  
655 +(((
656 +(% style="color:#4472c4" %)** AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**  (%%) m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
657 +)))
658 +)))
584 584  
585 -* Downlink Payload
660 +(((
661 +
662 +)))
586 586  
587 -Format: A8 MM NN XX XX XX XX YY
664 +* (((
665 +(% style="color:#037691" %)**Downlink Payload**
666 +)))
588 588  
668 +(((
669 +Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
670 +)))
671 +
672 +(((
589 589  Where:
674 +)))
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
676 +* (((
677 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
678 +)))
679 +* (((
680 +NN: The length of RS485 command
681 +)))
682 +* (((
683 +XX XX XX XX: RS485 command total NN bytes
684 +)))
685 +* (((
686 +(((
687 +YY: How many bytes will be uplink from the return of this RS485 command,
688 +)))
595 595  
596 -**Example 1:**
690 +* (((
691 +if YY=0, RS485-LN will execute the downlink command without uplink;
692 +)))
693 +* (((
694 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
695 +)))
696 +* (((
697 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
698 +)))
699 +)))
597 597  
701 +(((
702 +
703 +
704 +(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
705 +)))
706 +
707 +(((
598 598  To connect a Modbus Alarm with below commands.
709 +)))
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.
711 +* (((
712 +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.
713 +)))
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.
715 +* (((
716 +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.
717 +)))
603 603  
719 +(((
720 +
721 +
604 604  So if user want to use downlink command to control to RS485 Alarm, he can use:
723 +)))
605 605  
606 -**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
725 +(((
726 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
727 +)))
607 607  
608 -**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
729 +(((
730 +(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
731 +)))
609 609  
733 +(((
610 610  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.
735 +)))
611 611  
737 +(((
738 +
739 +)))
612 612  
613 -**Example 2:**
741 +(((
742 +(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
743 +)))
614 614  
615 -Check TTL Sensor return:
745 +(((
746 +User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
747 +)))
616 616  
617 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
749 +(((
750 +
751 +)))
618 618  
753 +(((
754 +(((
755 +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**
756 +)))
619 619  
758 +
759 +)))
620 620  
761 +(((
762 + (% 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" %)​
763 +)))
621 621  
622 -==== Set Payload version ====
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.
625 625  
626 -* AT Command:
627 627  
628 -AT+PAYVER: Set PAYVER field = 1
768 +==== (% style="color:blue" %)**Set Payload version**(%%) ====
629 629  
630 630  
631 -* Downlink Payload:
771 +(((
772 +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.
773 +)))
632 632  
633 -0xAE 01   à Set PAYVER field =  0x01
775 +(((
776 +* (% style="color:#037691" %)**AT Command:**
634 634  
635 -0xAE 0F   à Set PAYVER field =  0x0F
778 +(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
636 636  
780 +
781 +)))
637 637  
638 -==== Set RS485 Sampling Commands ====
783 +* (((
784 +(% style="color:#037691" %)**Downlink Payload:**
785 +)))
639 639  
640 -AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
787 +(((
788 +(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
789 +)))
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]].
791 +(((
792 +(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
793 +)))
643 643  
644 644  
645 -* AT Command:
796 +1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)
646 646  
647 -AT+COMMANDx: Configure RS485 read command to sensor.
798 +[[image:image-20220824145428-2.png||height="168" width="1300"]]
648 648  
649 -AT+DATACUTx: Configure how to handle return from RS485 devices.
650 650  
651 -AT+SEARCHx: Configure search command
801 +2 )  if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
652 652  
653 653  
654 -* Downlink Payload:
804 +[[image:image-20220824145428-3.png||height="308" width="1200"]]
655 655  
656 -0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
657 657  
658 -Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
659 659  
660 -Format: AF MM NN LL XX XX XX XX YY
661 661  
662 -Where:
809 +==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
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.
669 669  
670 -Example:
812 +(((
813 +AT+COMMANDx or AT+DATACUTx
814 +)))
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
816 +(((
817 +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"]].
818 +)))
673 673  
674 -**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
820 +(((
821 +
822 +)))
675 675  
676 -**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
824 +* (((
825 +(% style="color:#037691" %)**AT Command:**
826 +)))
677 677  
828 +(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
678 678  
679 -0xAB downlink command can be used for set AT+SEARCHx
830 +(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
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
833 +* (((
834 +(% style="color:#037691" %)**Downlink Payload:**
835 +)))
685 685  
686 -**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
837 +(((
838 +(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
687 687  
840 +
841 +)))
688 688  
689 -==== Fast command to handle MODBUS device ====
843 +(((
844 +(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
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]].
846 +
847 +)))
692 692  
849 +(((
850 +Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
851 +)))
852 +
853 +(((
854 +Where:
855 +)))
856 +
857 +* (((
858 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
859 +)))
860 +* (((
861 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
862 +)))
863 +* (((
864 +LL:  The length of AT+COMMAND or AT+DATACUT command
865 +)))
866 +* (((
867 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
868 +)))
869 +* (((
870 +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.
871 +)))
872 +
873 +(((
874 +
875 +
876 +**Example:**
877 +)))
878 +
879 +(((
880 +(% 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
881 +)))
882 +
883 +(((
884 +(% 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**
885 +)))
886 +
887 +(((
888 +(% 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**
889 +)))
890 +
891 +
892 +
893 +
894 +==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
895 +
896 +
897 +(((
898 +(% style="color:#4472c4" %)** AT+MBFUN**(%%) is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
899 +)))
900 +
901 +(((
693 693  This command is valid since v1.3 firmware version
903 +)))
694 694  
905 +(((
906 +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.
907 +)))
695 695  
696 -AT+MBFUN has only two value:
909 +(((
910 +
911 +)))
697 697  
698 -* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
913 +(((
914 +**Example:**
915 +)))
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.
917 +* (((
918 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
919 +)))
920 +* (((
921 +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.
922 +)))
923 +* (((
924 +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.
926 +
927 +)))
703 703  
704 -Example:
929 +(% 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.
931 +(% 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  
936 +==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
715 715  
716 -* Downlink Commands:
717 717  
718 -A9 aa -à Same as AT+MBFUN=aa
939 +(((
940 +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.
941 +)))
719 719  
943 +(((
944 +Default value: 0, range:  0 ~~ 65 seconds
945 +)))
720 720  
721 -==== RS485 command timeout ====
947 +(((
948 +* (% 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.
950 +(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
951 +)))
724 724  
725 -Default value: 0, range:  0 ~~ 5 seconds
953 +(((
954 +
726 726  
956 +**Example:**
957 +)))
727 727  
728 -* AT Command:
959 +(((
960 +(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
961 +)))
729 729  
730 -AT+CMDDLaa=hex(bb cc)
963 +(((
964 +
965 +)))
731 731  
732 -Example:
967 +* (((
968 +(% style="color:#037691" %)** Downlink Payload:**
969 +)))
733 733  
734 -**AT+CMDDL1=1000** to send the open time to 1000ms
971 +(((
972 +(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex(bb cc)*1000
973 +)))
735 735  
975 +(((
976 +
736 736  
737 -* Downlink Payload:
978 +**Example:**
979 +)))
738 738  
739 -0x AA aa bb cc
981 +(((
982 +**0xAA 01 00 01**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
983 +)))
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  
988 +==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
747 747  
748 -==== [[Uplink>>path:#downlink_A8]] payload mode ====
749 749  
991 +(((
750 750  Define to use one uplink or multiple uplinks for the sampling.
993 +)))
751 751  
752 -The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
995 +(((
996 +The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
753 753  
754 -* AT Command:
998 +
999 +)))
755 755  
756 -AT+DATAUP=0
1001 +(((
1002 +* (% style="color:#037691" %)** AT Command:**
757 757  
758 -AT+DATAUP=1
1004 +(% style="color:#4472c4" %)** AT+DATAUP=0**
759 759  
1006 +(% style="color:#4472c4" %)** AT+DATAUP=1**
760 760  
761 -* Downlink Payload:
1008 +
1009 +)))
762 762  
763 -0xAD 00   à Same as AT+DATAUP=0
1011 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
764 764  
765 -0xAD 01   à Same as AT+DATAUP=1
1013 +Each uplink is sent to the server at 20-second intervals when segmented.
766 766  
767 767  
768 -==== Manually trigger an Uplink ====
1016 +* (((
1017 +(% style="color:#037691" %)** Downlink Payload:**
1018 +)))
769 769  
1020 +(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
1021 +
1022 +(% style="color:#4472c4" %)** 0xAD 01**  (%%) **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1023 +
1024 +
1025 +* (((
1026 +(% style="color:#037691" %)** AT Command:**
1027 +)))
1028 +
1029 +(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
1030 +
1031 +
1032 +* (((
1033 +(% style="color:#037691" %)** Downlink Payload:**
1034 +)))
1035 +
1036 +(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1037 +
1038 +Each uplink is sent to the server at 20-second intervals when segmented.
1039 +
1040 +
1041 +
1042 +
1043 +==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1044 +
1045 +
1046 +(((
770 770  Ask device to send an uplink immediately.
1048 +)))
771 771  
772 -* Downlink Payload:
1050 +* (((
1051 +(% style="color:#037691" %)** AT Command:**
1052 +)))
773 773  
774 -0x08 FF, RS485-BL will immediately send an uplink.
1054 +(((
1055 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1056 +)))
775 775  
1058 +(((
1059 +
1060 +)))
776 776  
777 -==== Clear RS485 Command ====
1062 +* (((
1063 +(% style="color:#037691" %)** Downlink Payload:**
1064 +)))
778 778  
1066 +(((
1067 +(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1068 +)))
1069 +
1070 +
1071 +
1072 +
1073 +==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
1074 +
1075 +
1076 +(((
779 779  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
780 780  
1079 +
1080 +)))
781 781  
782 -* AT Command:
1082 +* (((
1083 +(% style="color:#037691" %)** AT Command:**
1084 +)))
783 783  
784 -**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1086 +(((
1087 +(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1088 +)))
785 785  
1090 +(((
1091 +
1092 +
786 786  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1094 +)))
787 787  
1096 +(((
788 788  Example screen shot after clear all RS485 commands. 
1098 +)))
789 789  
1100 +(((
1101 +
1102 +)))
790 790  
791 -
1104 +(((
792 792  The uplink screen shot is:
1106 +)))
793 793  
794 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1108 +(% 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:
1111 +* (((
1112 +(% style="color:#037691" %)** Downlink Payload:**
1113 +)))
798 798  
799 -0x09 aa bb same as AT+CMDEAR=aa,bb
1115 +(((
1116 +(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1117 +)))
800 800  
801 801  
802 -==== Set Serial Communication Parameters ====
803 803  
1121 +
1122 +==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1123 +
1124 +
1125 +(((
804 804  Set the Rs485 serial communication parameters:
805 805  
806 -* AT Command:
1128 +
1129 +)))
807 807  
808 -Set Baud Rate:
1131 +* (((
1132 +(% style="color:#037691" %)** AT Command:**
809 809  
810 -AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
811 811  
1135 +
1136 +)))
812 812  
813 -Set UART parity
1138 +(((
1139 +* Set Baud Rate
1140 +)))
814 814  
815 -AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1142 +(% style="color:#4472c4" %)** AT+BAUDR=9600** (%%) ~/~/  Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
816 816  
817 817  
818 -Set STOPBIT
1145 +(((
1146 +* Set UART Parity
1147 +)))
819 819  
820 -AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1149 +(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
821 821  
822 822  
823 -* Downlink Payload:
1152 +(((
1153 +* Set STOPBIT
1154 +)))
824 824  
825 -A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1156 +(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
826 826  
827 -Example:
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)
1160 +* (((
1161 +(% style="color:#037691" %)** Downlink Payload:**
1162 +)))
833 833  
834 -A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1164 +(((
1165 +(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1166 +)))
835 835  
1168 +(((
1169 +
836 836  
837 -==== Control output power duration ====
1171 +**Example:**
1172 +)))
838 838  
839 -User can set the output power duration before each sampling.
1174 +* (((
1175 +A7 01 00 60  same as AT+BAUDR=9600
1176 +)))
1177 +* (((
1178 +A7 01 04 80  same as AT+BAUDR=115200
1179 +)))
840 840  
841 -* AT Command:
1181 +(((
1182 +* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1183 +)))
842 842  
843 -Example:
1185 +(((
1186 +* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1187 +)))
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:
851 851  
852 -07 01 aa bb  Same as AT+5VT=(aa bb)
1193 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
853 853  
854 -07 02 aa bb  Same as AT+3V3T=(aa bb)
1195 +(((
1196 +
1197 +)))
855 855  
1199 +* (((
1200 +(% style="color:#037691" %)** AT Command:**
1201 +)))
856 856  
1203 +(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
857 857  
1205 +(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
858 858  
859 -1.
860 -11. Buttons
861 861  
862 -|**Button**|**Feature**
863 -|**RST**|Reboot RS485-BL
864 864  
865 -1.
866 -11. +3V3 Output
867 867  
868 -RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1210 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
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. 
871 871  
1213 +* (((
1214 +(% style="color:#037691" %)** AT Command:**
1215 +)))
872 872  
873 -The +3V3 output time can be controlled by AT Command.
1217 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
874 874  
875 -**AT+3V3T=1000**
1219 +(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
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.
878 878  
879 879  
880 -By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
881 881  
1224 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
882 882  
883 -1.
884 -11. +5V Output
885 885  
886 -RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1227 +* (((
1228 +(% style="color:#037691" %)** AT Command:**
1229 +)))
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. 
1231 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=0  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
889 889  
1233 +(% style="color:#4472c4" %)** AT+DISFCNTCHECK=1  **(%%) ~/~/  When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
890 890  
891 -The 5V output time can be controlled by AT Command.
892 892  
893 -**AT+5VT=1000**
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  
1238 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
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  
1241 +* (((
1242 +(% style="color:#037691" %)** AT Command:**
1243 +)))
900 900  
1245 + (% style="color:#4472c4" %)** AT+DISMACANS=0**  (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
901 901  
1247 + (% style="color:#4472c4" %)** AT+DISMACANS=1**   (%%) ~/~/  When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
902 902  
903 -1.
904 -11. LEDs
905 905  
906 -|**LEDs**|**Feature**
907 -|**LED1**|Blink when device transmit a packet.
1250 +* (((
1251 +(% style="color:#037691" %)** Downlink Payload:**
1252 +)))
908 908  
909 -1.
910 -11. Switch Jumper
1254 +(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
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.
1257 +
1258 +
1259 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1260 +
1261 +
1262 +* (((
1263 +(% style="color:#037691" %)** AT Command:**
917 917  )))
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.,
1266 +(% style="color:#4472c4" %)** AT+RPL=5**  (%%) ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1267 +
1268 +
1269 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1270 +
1271 +
1272 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1273 +
1274 +
1275 +
1276 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1277 +
1278 +
1279 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1280 +
1281 +
1282 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1283 +
1284 +
1285 +
1286 +
1287 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1288 +
1289 +
1290 +(((
1291 +* (% style="color:#037691" %)**Downlink Payload:**
1292 +
1293 +(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
922 922  )))
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.
1297 +Example：
927 927  
928 -1. Case Study
929 929  
930 -User can check this URL for some case studies.
1300 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
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]]
933 933  
934 934  
935 935  
1305 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
936 936  
937 -1. Use AT Command
938 -11. Access AT Command
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.
1308 +* (((
1309 +(% style="color:#037691" %)** AT Command:**
1310 +)))
941 941  
942 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1312 +(% style="color:#4472c4" %)**AT+RXMODE=1,10**    (%%) ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
943 943  
1314 +(% style="color:#4472c4" %)**AT+RXMODE=2,500    ** (%%) ~/~/  RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
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:
1316 +(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
946 946  
947 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
948 948  
1319 +* (((
1320 +(% style="color:#037691" %)**Downlink Payload:**
1321 +)))
949 949  
1323 +(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/same as AT+RXMODE=aa,bb
950 950  
951 -More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1325 +[[image:image-20220824144240-1.png]]
952 952  
953 953  
954 954  
955 -1.
956 -11. Common AT Command Sequence
957 -111. Multi-channel ABP mode (Use with SX1301/LG308)
1329 +== 3.6 Listening mode for RS485 network ==
958 958  
959 -If device has not joined network yet:
960 960  
961 -AT+FDR
1332 +(((
1333 +This feature support since firmware v1.4
1334 +)))
962 962  
963 -AT+NJM=0
1336 +(((
1337 +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.
964 964  
965 -ATZ
1339 +
1340 +)))
966 966  
1342 +(% 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"]]
967 967  
1344 +(% title="Click and drag to resize" %)​
1345 +
1346 +(((
1347 +To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1348 +)))
1349 +
1350 +(((
1351 +
1352 +)))
1353 +
1354 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1355 +|=(% style="width: 100px;" %)(((
1356 +**Command example**
1357 +)))|=(% style="width: 400px;" %)(((
1358 +**Function**
1359 +)))
1360 +|(% style="width:100px" %)(((
1361 +AT+RXMODE=1,10
1362 +)))|(% style="width:400px" %)(((
1363 +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.
1364 +)))
1365 +|(% style="width:100px" %)(((
1366 +AT+RXMODE=2,500
1367 +)))|(% style="width:400px" %)(((
1368 +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
1369 +)))
1370 +|(% style="width:100px" %)(((
1371 +AT+RXMODE=0,0
1372 +)))|(% style="width:400px" %)(((
1373 +Disable listening mode. This is the default settings.
1374 +)))
1375 +|(% style="width:100px" %)(((
1376 +
1377 +)))|(% style="width:400px" %)(((
1378 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1379 +)))
1380 +
1381 +(((
1382 +
1383 +
1384 +(% style="color:#037691" %)**Downlink Command:**
1385 +)))
1386 +
1387 +(((
1388 +(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1389 +)))
1390 +
1391 +(((
1392 +
1393 +)))
1394 +
1395 +(((
1396 +**Example**:
1397 +)))
1398 +
1399 +(((
1400 +The RS485-LN is set to AT+RXMODE=2,1000
1401 +)))
1402 +
1403 +(((
1404 +There is a two Modbus commands in the RS485 network as below:
1405 +)))
1406 +
1407 +(((
1408 +The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1409 +)))
1410 +
1411 +(((
1412 +And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1413 +)))
1414 +
1415 +(((
1416 +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
1417 +)))
1418 +
1419 +(((
1420 +(% 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" %)​
1421 +)))
1422 +
1423 +(((
1424 +
1425 +)))
1426 +
1427 +(((
1428 +(((
1429 +(% 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.**
1430 +)))
1431 +)))
1432 +
1433 +
1434 +
1435 +== 3.7 Buttons ==
1436 +
1437 +
1438 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1439 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1440 +|(% 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**
1441 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1442 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1443 +
1444 +
1445 +== 3.8 LEDs ==
1446 +
1447 +
1448 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1449 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1450 +|**PWR**|Always on if there is power
1451 +|**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.
1452 +
1453 +
1454 += 4. Case Study =
1455 +
1456 +
1457 +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]]
1458 +
1459 +
1460 +
1461 += 5. Use AT Command =
1462 +
1463 +
1464 +== 5.1 Access AT Command ==
1465 +
1466 +
1467 +(((
1468 +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.
1469 +
1470 +
1471 +)))
1472 +
1473 +(% 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" %)​
1474 +
1475 +
1476 +
1477 +(((
1478 +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:
1479 +
1480 +
1481 +)))
1482 +
1483 +(% 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" %)​
1484 +
1485 +
1486 +(((
1487 +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/]]
1488 +)))
1489 +
1490 +
1491 +
1492 +== 5.2 Common AT Command Sequence ==
1493 +
1494 +
1495 +=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1496 +
1497 +
1498 +If device has not joined network yet:
1499 +
1500 +* (% style="color:#037691" %)**AT+FDR**
1501 +* (% style="color:#037691" %)**AT+NJM=0**
1502 +* (% style="color:#037691" %)**ATZ**
1503 +
1504 +(((
1505 +
1506 +
968 968  If device already joined network:
969 969  
970 -AT+NJM=0
1509 +* (% style="color:#037691" %)**AT+NJM=0**
1510 +* (% style="color:#037691" %)**ATZ**
971 971  
972 -ATZ
1512 +
1513 +)))
973 973  
974 -1.
975 -11.
976 -111. 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
1517 +=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
981 981  
982 -AT+ADR=0 Set the Adaptive Data Rate Off
983 983  
984 -AT+DR=5  Set Data Rate
1520 +(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
985 985  
986 -AT+TDC=60000  Set transmit interval to 60 seconds
1522 +(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
987 987  
988 -AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1524 +(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
989 989  
990 -AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1526 +(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
991 991  
992 -AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1528 +(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
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.
1530 +(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
995 995  
996 -ATZ          Reset MCU
1532 +(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
997 997  
998 -**Note:**
1534 +(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
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
1536 +(% 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.
1004 1004  
1005 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1538 +(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1006 1006  
1007 1007  
1008 -1. FAQ
1009 -11. How to upgrade the image?
1541 +(% style="color:red" %)**Note:**
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:
1543 +(((
1544 +(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1545 +2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1546 +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.
1547 +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
1012 1012  
1013 -* Support new features
1014 -* For bug fix
1015 -* Change LoRaWAN bands.
1549 +
1550 +)))
1016 1016  
1017 -Below shows the hardware connection for how to upload an image to RS485-BL:
1552 +(% 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" %)​
1018 1018  
1019 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
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/]].
1556 += 6. FAQ =
1024 1024  
1025 -**Step3: **Open flashloader; choose the correct COM port to update.
1026 1026  
1559 +== 6.1 How to upgrade the image? ==
1027 1027  
1028 -|(((
1029 -HOLD PRO then press the RST button, SYS will be ON, then click next
1561 +
1562 +(((
1563 +The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1030 1030  )))
1031 1031  
1032 -|(((
1033 -Board detected
1566 +* (((
1567 +Support new features
1034 1034  )))
1569 +* (((
1570 +For bug fix
1571 +)))
1572 +* (((
1573 +Change LoRaWAN bands.
1574 +)))
1035 1035  
1036 -|(((
1576 +(((
1577 +Below shows the hardware connection for how to upload an image to RS485-LN:
1578 +)))
1579 +
1580 +(% 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"]]
1581 +
1582 +(% title="Click and drag to resize" %)​
1583 +
1584 +(((
1585 +(% 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]].
1586 +
1037 1037  
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]]
1590 +(((
1591 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1041 1041  
1593 +
1594 +)))
1042 1042  
1596 +(((
1597 +(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
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]]
1599 +
1600 +)))
1045 1045  
1602 +(((
1603 +(((
1604 +(((
1605 +(% 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.
1606 +)))
1607 +)))
1608 +)))
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  
1611 +(% 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" %)​
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.
1614 +(% 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" %)​
1054 1054  
1055 1055  
1617 +(% 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" %)​
1056 1056  
1057 -1.
1058 -11. How many RS485-Slave can RS485-BL connects?
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]].
1620 +(% 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:**
1061 1061  
1622 +(% 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" %)​
1062 1062  
1063 1063  
1064 1064  
1065 -1. Trouble Shooting     
1066 -11. Downlink doesn’t work, how to solve it?
1626 +== 6.2 How to change the LoRa Frequency Bands/Region? ==
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]] 
1629 +User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1071 1071  
1072 1072  
1073 1073  
1074 -1.
1075 -11. Why I can’t join TTN V3 in US915 /AU915 bands?
1633 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
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]]
1636 +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"]].
1080 1080  
1081 1081  
1082 1082  
1083 -1. Order Info
1640 +== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1084 1084  
1085 -**Part Number: RS485-BL-XXX**
1086 1086  
1087 -**XXX:**
1643 +When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
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
1645 +Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1099 1099  
1100 -1. Packing Info
1101 1101  
1648 +
1649 +== 6.5 Can i use point to point communication for RS485-LN? ==
1650 +
1651 +
1652 +Yes, please refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1653 +
1654 +
1655 +
1656 +== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1657 +
1658 +
1659 +[[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/]]
1660 +
1661 +
1662 +
1663 += 7. Trouble Shooting =
1664 +
1665 +
1666 +== 7.1 Downlink doesn't work, how to solve it? ==
1667 +
1668 +
1669 +Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1670 +
1671 +
1672 +
1673 +== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1674 +
1675 +
1676 +It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1677 +
1678 +
1679 +
1680 += 8. Order Info =
1681 +
1682 +
1683 +(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1684 +
1685 +(% style="color:blue" %)**XXX:**
1686 +
1687 +* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1688 +* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1689 +* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1690 +* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1691 +* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1692 +* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1693 +* (% style="color:red" %)**US915**(%%):  frequency bands US915
1694 +* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1695 +* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1696 +* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1697 +
1698 +
1699 += 9.Packing Info =
1700 +
1701 +
1102 1102  **Package Includes**:
1103 1103  
1104 -* RS485-BL x 1
1704 +* RS485-LN x 1
1105 1105  * Stick Antenna for LoRa RF part x 1
1106 1106  * Program cable x 1
1107 1107  
... ... @@ -1112,9 +1112,69 @@
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
1716 += 10. FCC Caution for RS485LN-US915 =
1119 1119  
1120 -[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
1718 +
1719 +(((
1720 +Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1721 +)))
1722 +
1723 +(((
1724 +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.
1725 +)))
1726 +
1727 +(((
1728 +
1729 +)))
1730 +
1731 +(((
1732 +(% style="color:red" %)**IMPORTANT NOTE:**
1733 +)))
1734 +
1735 +(((
1736 +(% 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:
1737 +)))
1738 +
1739 +(((
1740 +—Reorient or relocate the receiving antenna.
1741 +)))
1742 +
1743 +(((
1744 +—Increase the separation between the equipment and receiver.
1745 +)))
1746 +
1747 +(((
1748 +—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1749 +)))
1750 +
1751 +(((
1752 +—Consult the dealer or an experienced radio/TV technician for help.
1753 +)))
1754 +
1755 +(((
1756 +
1757 +)))
1758 +
1759 +(((
1760 +(% style="color:red" %)**FCC Radiation Exposure Statement:**
1761 +)))
1762 +
1763 +(((
1764 +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.
1765 +)))
1766 +
1767 +
1768 +
1769 += 11. Support =
1770 +
1771 +
1772 +* (((
1773 +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.
1774 +)))
1775 +* (((
1776 +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]].
1777 +
1778 +
1779 +
1780 +)))
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