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Title
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1 -RS485-LN – RS485 to LoRaWAN Converter User Manual
1 +RS485-LN – RS485 to LoRaWAN Converter
Content
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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" %)​
1 +(% style="text-align:center" %)
2 +[[image:1653266934636-343.png||height="385" width="385"]]
5 5  
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 -)))
8 8  
9 9  
6 +**RS485-LN – RS485 to LoRaWAN Converter User Manual**
10 10  
11 11  
12 -
13 -
14 -
15 15  **Table of Contents:**
16 16  
17 -{{toc/}}
18 18  
19 19  
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 -)))
24 24  
25 25  
15 += 1.Introduction =
26 26  
27 -
28 -
29 -
30 -
31 -= 1. Introduction =
32 -
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 -
36 36  (((
20 +(((
37 37  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.
38 38  )))
39 39  
... ... @@ -47,33 +47,31 @@
47 47  
48 48  (((
49 49  (% style="color:blue" %)**For data downlink**(%%), RS485-LN runs in LoRaWAN Class C. When there downlink commands from LoRaWAN server, RS485-LN will forward the commands from LoRaWAN server to RS485 devices.
50 -)))
51 51  
52 -(((
53 53  (% 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]]
54 54  )))
37 +)))
55 55  
39 +[[image:1653267211009-519.png||height="419" width="724"]]
56 56  
57 -(% aria-label="1653267211009-519.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653267211009-519.png||data-widget="image" height="419" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
58 58  
59 -
60 60  == 1.2 Specifications ==
61 61  
62 62  
63 -(% style="color:#037691" %)**Hardware System:**
45 +**Hardware System:**
64 64  
65 -* STM32L072xxxx MCU
47 +* STM32L072CZT6 MCU
66 66  * SX1276/78 Wireless Chip 
67 67  * Power Consumption (exclude RS485 device):
68 68  ** Idle: 32mA@12v
69 69  ** 20dB Transmit: 65mA@12v
70 70  
71 -(% style="color:#037691" %)**Interface for Model:**
53 +**Interface for Model:**
72 72  
73 73  * RS485
74 74  * Power Input 7~~ 24V DC. 
75 75  
76 -(% style="color:#037691" %)**LoRa Spec:**
58 +**LoRa Spec:**
77 77  
78 78  * Frequency Range:
79 79  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -92,13 +92,14 @@
92 92  * Preamble detection.
93 93  * 127 dB Dynamic Range RSSI.
94 94  * Automatic RF Sense and CAD with ultra-fast AFC.
95 -* Packet engine up to 256 bytes with CRC
77 +* Packet engine up to 256 bytes with CRC.
96 96  
97 -== 1.3 Features ==
98 98  
99 99  
81 +== 1.3 Features ==
82 +
100 100  * LoRaWAN Class A & Class C protocol (default Class C)
101 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
84 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
102 102  * AT Commands to change parameters
103 103  * Remote configure parameters via LoRa Downlink
104 104  * Firmware upgradable via program port
... ... @@ -106,9 +106,10 @@
106 106  * Support Modbus protocol
107 107  * Support Interrupt uplink (Since hardware version v1.2)
108 108  
109 -== 1.4 Applications ==
110 110  
111 111  
94 +== 1.4 Applications ==
95 +
112 112  * Smart Buildings & Home Automation
113 113  * Logistics and Supply Chain Management
114 114  * Smart Metering
... ... @@ -116,24 +116,20 @@
116 116  * Smart Cities
117 117  * Smart Factory
118 118  
119 -== 1.5 Firmware Change log ==
120 120  
121 121  
105 +== 1.5 Firmware Change log ==
106 +
122 122  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
123 123  
124 124  
125 125  == 1.6 Hardware Change log ==
126 126  
127 -
128 128  (((
129 129  (((
130 -(((
131 131  v1.2: Add External Interrupt Pin.
132 -)))
133 133  
134 -(((
135 135  v1.0: Release
136 -)))
137 137  
138 138  
139 139  )))
... ... @@ -141,7 +141,6 @@
141 141  
142 142  = 2. Power ON Device =
143 143  
144 -
145 145  (((
146 146  The RS485-LN can be powered by 7 ~~ 24V DC power source. Connection as below
147 147  
... ... @@ -152,7 +152,7 @@
152 152  Once there is power, the RS485-LN will be on.
153 153  )))
154 154  
155 -(% 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" %)​
134 +[[image:1653268091319-405.png]]
156 156  
157 157  
158 158  )))
... ... @@ -161,11 +161,8 @@
161 161  
162 162  == 3.1 How it works? ==
163 163  
164 -
165 165  (((
166 -(((
167 167  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.
168 -)))
169 169  
170 170  
171 171  )))
... ... @@ -172,13 +172,11 @@
172 172  
173 173  == 3.2 Example to join LoRaWAN network ==
174 174  
175 -
176 176  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. 
177 177  
153 +[[image:1653268155545-638.png||height="334" width="724"]]
178 178  
179 -(% 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" %)​
180 180  
181 -
182 182  (((
183 183  (((
184 184  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:
... ... @@ -186,21 +186,16 @@
186 186  
187 187  (((
188 188  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
189 -
190 -
191 191  )))
192 192  
193 -(% 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" %)​
165 +[[image:1653268227651-549.png||height="592" width="720"]]
194 194  
195 -
196 196  (((
197 -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:
198 -
199 -
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:
200 200  )))
201 201  
202 202  (((
203 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
172 +**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
204 204  )))
205 205  
206 206  (((
... ... @@ -208,93 +208,73 @@
208 208  )))
209 209  )))
210 210  
211 -(% 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" %)​
180 +[[image:1652953462722-299.png]]
212 212  
213 -
214 214  (((
215 215  (((
216 216  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
217 -
218 -
219 219  )))
220 220  
221 221  (((
222 -**Add APP EUI in the application.**
188 +Add APP EUI in the application.
223 223  )))
224 224  )))
225 225  
226 -(% 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" %)​
192 +[[image:image-20220519174512-1.png]]
227 227  
228 -(% 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" %)​
194 +[[image:image-20220519174512-2.png||height="323" width="720"]]
229 229  
230 -(% 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" %)​
196 +[[image:image-20220519174512-3.png||height="556" width="724"]]
231 231  
232 -(% 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"]]
198 +[[image:image-20220519174512-4.png]]
233 233  
234 -
235 -(% title="Click and drag to resize" %)​
236 -
237 237  You can also choose to create the device manually.
238 238  
239 -(% 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" %)​
202 +[[image:1652953542269-423.png||height="710" width="723"]]
240 240  
204 +Add APP KEY and DEV EUI
241 241  
206 +[[image:1652953553383-907.png||height="514" width="724"]]
242 242  
243 -**Add APP KEY and DEV EUI**
244 244  
245 -(% 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" %)​
246 -
247 -
248 -
249 249  (((
250 -(% 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.
251 -
252 -
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.
253 253  )))
254 254  
255 -(% 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" %)​
213 +[[image:1652953568895-172.png||height="232" width="724"]]
256 256  
257 257  
258 258  == 3.3 Configure Commands to read data ==
259 259  
260 -
261 261  (((
262 262  (((
263 -(((
264 -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.
265 -
266 -
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.
267 267  )))
268 -)))
269 269  
270 270  (((
271 -(((
272 -(% 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**
273 -)))
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
274 274  
275 275  
276 276  )))
277 277  )))
278 278  
279 -=== 3.3.1 Configure UART settings for RS485 or TTL communication ===
230 +=== 3.3.1 onfigure UART settings for RS485 or TTL communication ===
280 280  
281 -
282 282  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:
283 283  
284 -
285 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
286 -|=(% style="width: 120px;background-color:#D9E2F3;color:#0070C0" %)(((
234 +(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 +|(% style="width:128px" %)(((
287 287  **AT Commands**
288 -)))|=(% style="width: 200px;background-color:#D9E2F3;color:#0070C0" %)(((
237 +)))|(% style="width:305px" %)(((
289 289  **Description**
290 -)))|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)(((
239 +)))|(% style="width:346px" %)(((
291 291  **Example**
292 292  )))
293 -|(% style="width:110px" %)(((
242 +|(% style="width:128px" %)(((
294 294  AT+BAUDR
295 -)))|(% style="width:190px" %)(((
244 +)))|(% style="width:305px" %)(((
296 296  Set the baud rate (for RS485 connection). Default Value is: 9600.
297 -)))|(% style="width:190px" %)(((
246 +)))|(% style="width:346px" %)(((
298 298  (((
299 299  AT+BAUDR=9600
300 300  )))
... ... @@ -303,11 +303,11 @@
303 303  Options: (1200,2400,4800,14400,19200,115200)
304 304  )))
305 305  )))
306 -|(% style="width:110px" %)(((
255 +|(% style="width:128px" %)(((
307 307  AT+PARITY
308 -)))|(% style="width:190px" %)(((
257 +)))|(% style="width:305px" %)(((
309 309  Set UART parity (for RS485 connection)
310 -)))|(% style="width:190px" %)(((
259 +)))|(% style="width:346px" %)(((
311 311  (((
312 312  AT+PARITY=0
313 313  )))
... ... @@ -316,9 +316,9 @@
316 316  Option: 0: no parity, 1: odd parity, 2: even parity
317 317  )))
318 318  )))
319 -|(% style="width:110px" %)(((
268 +|(% style="width:128px" %)(((
320 320  AT+STOPBIT
321 -)))|(% style="width:190px" %)(((
270 +)))|(% style="width:305px" %)(((
322 322  (((
323 323  Set serial stopbit (for RS485 connection)
324 324  )))
... ... @@ -326,7 +326,7 @@
326 326  (((
327 327  
328 328  )))
329 -)))|(% style="width:190px" %)(((
278 +)))|(% style="width:346px" %)(((
330 330  (((
331 331  AT+STOPBIT=0 for 1bit
332 332  )))
... ... @@ -340,1447 +340,910 @@
340 340  )))
341 341  )))
342 342  
343 -=== 3.3.2 Configure sensors ===
344 344  
345 345  
294 +=== 3.3.2 Configure sensors ===
295 +
346 346  (((
347 347  (((
348 -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.
349 -
350 -
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.
351 351  )))
352 352  )))
353 353  
354 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
355 -|=(% style="width: 110px;background-color:#D9E2F3;color:#0070C0" %)**AT Commands**|=(% style="width: 210px;background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Example**
356 -|AT+CFGDEV|(% style="width:110px" %)(((
357 -(((
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" %)(((
358 358  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
359 -)))
360 360  
361 -(((
362 362  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
363 -)))
364 364  
365 -(((
366 366  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
367 -)))
368 -)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
310 +)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
369 369  
370 -=== 3.3.3 Configure read commands for each sampling ===
371 371  
372 372  
373 -(((
374 -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.
314 +=== 3.3.3 Configure read commands for each sampling ===
375 375  
376 -To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
377 -
378 -This section describes how to achieve above goals.
379 -
380 -During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
381 -
382 -
383 -(% style="color:#037691" %)**Each RS485 commands include two parts:**
384 -
385 -
386 -~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.
387 -
388 -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.
389 -
390 -3. Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example **AT+CMDDL1=1000** to send the open time to 1000ms
391 -
392 -
393 -After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
394 -
395 -Below are examples for the how above AT Commands works.
396 -
397 -
398 -(% 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:
399 -
400 -(% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
401 -|(% style="width:496px" %)(((
402 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
403 -
404 -**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
405 -
406 -**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
407 -)))
408 -
409 -For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
410 -
411 -In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
412 -
413 -
414 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
415 -
416 -(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
417 -|(% style="width:510px" %)(((
418 -**AT+DATACUTx=a,b,c**
419 -
420 -* **a: length for the return of AT+COMMAND**
421 -* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
422 -* **c: define the position for valid value.  **
423 -)))
424 -
425 -**Examples:**
426 -
427 -
428 -* (% style="color:#037691" %)**Grab bytes**
429 -
430 -(% 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" %)​
431 -
432 -
433 -
434 -* (% style="color:#037691" %)**Grab a section**
435 -
436 -(% 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" %)​
437 -
438 -
439 -
440 -* (% style="color:#037691" %)**Grab different sections**
441 -
442 -(% 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" %)​
443 -
444 -
445 -)))
446 -
447 -=== 3.3.4 Compose the uplink payload ===
448 -
449 -
450 450  (((
451 -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.**
452 -
453 -
317 +RS485-BL is a battery powered device; it will sleep most of time. And wake up on each period and read RS485 / TTL sensor data and uplink.
454 454  )))
455 455  
456 456  (((
457 -(% style="color:#037691" %)**Examples: AT+DATAUP=0**
458 -
459 -
321 +During each sampling, we need to confirm what commands we need to send to the sensors to read data. After the RS485/TTL sensors send back the value, it normally includes some bytes and we only need a few from them for a shorten payload.
460 460  )))
461 461  
462 462  (((
463 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
325 +To save the LoRaWAN network bandwidth, we might need to read data from different sensors and combine their valid value into a short payload.
464 464  )))
465 465  
466 466  (((
467 -Final Payload is (% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
329 +This section describes how to achieve above goals.
468 468  )))
469 469  
470 470  (((
471 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
472 -
473 -
333 +During each sampling, the RS485-BL can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
474 474  )))
475 475  
476 -[[image:image-20220929111027-1.png||height="509" width="685"]](% title="Click and drag to resize" %)​
477 -
478 -
479 -(% style="color:#037691" %)**Examples: AT+DATAUP=1**
480 -
481 -
482 -Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
483 -
484 -Final Payload is (% style="color:#4f81bd" %)**PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
485 -
486 -
487 -~1. PAYVER: Defined by AT+PAYVER
488 -
489 -2. PAYLOAD COUNT: Total how many uplinks of this sampling.
490 -
491 -3. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
492 -
493 -4. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
494 -
495 -
496 -(% 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" %)​
497 -
498 -
499 -So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
500 -
501 -DATA1=RETURN1 Valid Value + the first two of Valid value of RETURN10= **20 20 0a 33 90 41 02 aa**
502 -
503 -DATA2=3^^rd^^ ~~ 10^^th^^ byte of Valid value of RETURN10= **05 81 0a 20 20 20 20 2d**
504 -
505 -DATA3=the rest of Valid value of RETURN10= **30**
506 -
507 -
508 -(% 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:**
509 -
510 -
511 - ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink.
512 -
513 - * For AU915/AS923 bands, if UplinkDwell time=0, max 11 bytes for each uplink.
514 -
515 - * For US915 band, max 11 bytes for each uplink.
516 -
517 - ~* For all other bands: max 51 bytes for each uplink.
518 -
519 -
520 -(% style="color:red" %)** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
521 -
522 -(% 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)**
523 -
524 -
525 -
526 -Below are the uplink payloads:
527 -
528 -
529 -(% 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" %)​
530 -
531 -
532 -=== 3.3.5 Uplink on demand ===
533 -
534 -
535 -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.
536 -
537 -(% style="color:blue" %)**Downlink control command:**
538 -
539 -(% style="color:#4472c4" %)** 0x08 command**(%%): Poll an uplink with current command set in RS485-LN.
540 -
541 -(% style="color:#4472c4" %)** 0xA8 command**(%%): Send a command to RS485-LN and uplink the output from sensors.
542 -
543 -
544 -=== 3.3.6 Uplink on Interrupt ===
545 -
546 -
547 -RS485-LN support external Interrupt uplink since hardware v1.2 release.
548 -
549 -
550 -(% 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" %)​
551 -
552 -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.
553 -
554 -
555 -== 3.4 Uplink Payload ==
556 -
557 -
558 -(% border="1" cellspacing="5" style="background-color:#ffffcc; color:green; width:500px" %)
559 -|=(% scope="row" style="width: 60px;" %)(((
560 -Size(bytes)
561 -)))|(% style="width:80px" %)1|(% style="width:360px" %)(((
562 -Length depends on the return from the commands
563 -)))
564 -|=(% style="width: 90px;" %)(((
565 -Value
566 -)))|(% style="width:114px" %)(((
567 -PAYLOAD_VER
568 -)))|(% style="width:353px" %)(((
569 -If the valid payload is too long and exceed the maximum
570 -
571 -support payload length in server, server will show payload not
572 -
573 -provided in the LoRaWAN server.
574 -)))
575 -
576 -(% 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"]]
577 -
578 -(% title="Click and drag to resize" %)​
579 -
580 -Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
581 -
582 -
583 -== 3.5 Configure RS485-LN via AT or Downlink ==
584 -
585 -
586 586  (((
587 -User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
337 +**Command from RS485-BL to Sensor:**
588 588  )))
589 589  
590 590  (((
591 -There are two kinds of Commands:
341 +RS485-BL can send out pre-set max 15 strings via **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF** . All commands are of same grammar.
592 592  )))
593 593  
594 -* (((
595 -(% 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]]
596 -)))
597 -
598 -* (((
599 -(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
600 -)))
601 -
602 602  (((
603 -
345 +**Handle return from sensors to RS485-BL**:
604 604  )))
605 605  
606 -
607 -=== 3.5.1 Common Commands ===
608 -
609 -
610 -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]]
611 -
612 -
613 -=== 3.5.2 Downlink Response(Since firmware v1.4) ===
614 -
615 -
616 -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.
617 -
618 -
619 -(% 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"]]
620 -
621 -(% title="Click and drag to resize" %)​
622 -
623 -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)
624 -
625 -
626 -=== 3.5.3 Sensor related commands ===
627 -
628 -
629 -
630 -==== (% style="color:blue" %)**RS485 Debug Command**(%%) ====
631 -
632 -
633 633  (((
634 -This command is used to configure the RS485 devices; they won't be used during sampling. Max Length of AT+CFGDEV is **40 bytes**.
349 +After RS485-BL send out a string to sensor, RS485-BL will wait for the return from RS485 or TTL sensor. And user can specify how to handle the return, by **AT+DATACUT or AT+SEARCH commands**
635 635  )))
636 636  
637 -(((
638 -* (% style="color:#037691" %)**AT Command**
639 -
640 -(((
641 -(% 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
352 +* (((
353 +**AT+DATACUT**
642 642  )))
643 -)))
644 644  
645 645  (((
646 -
357 +When the return value from sensor have fix length and we know which position the valid value we should get, we can use AT+DATACUT command.
647 647  )))
648 648  
649 649  * (((
650 -(% style="color:#037691" %)**Downlink Payload**
361 +**AT+SEARCH**
651 651  )))
652 652  
653 653  (((
654 -Format: (% style="color:#4472c4" %)** A8 MM NN XX XX XX XX YY**
365 +When the return value from sensor is dynamic length and we are not sure which bytes the valid data is, instead, we know what value the valid value following. We can use AT+SEARCH to search the valid value in the return string.
655 655  )))
656 656  
657 657  (((
658 -Where:
369 +**Define wait timeout:**
659 659  )))
660 660  
661 -* (((
662 -MM: 1: add CRC-16/MODBUS ; 0: no CRC
663 -)))
664 -* (((
665 -NN: The length of RS485 command
666 -)))
667 -* (((
668 -XX XX XX XX: RS485 command total NN bytes
669 -)))
670 -* (((
671 671  (((
672 -YY: How many bytes will be uplink from the return of this RS485 command,
373 +Some RS485 device might has longer delay on reply, so user can use AT+CMDDL to set the timeout for getting reply after the RS485 command is sent. For example, AT+CMDDL1=1000 to send the open time to 1000ms
673 673  )))
674 674  
675 -* (((
676 -if YY=0, RS485-LN will execute the downlink command without uplink;
677 -)))
678 -* (((
679 -if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
680 -)))
681 -* (((
682 -if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
683 -)))
684 -)))
685 -
686 686  (((
687 -
688 -
689 -(% style="color:blue" %)**Example 1:**  (%%) ~-~-> Configure without ask for uplink (YY=0)
377 +After we got the valid value from each RS485 commands, we need to combine them together with the command **AT+DATAUP**.
690 690  )))
691 691  
692 -(((
693 -To connect a Modbus Alarm with below commands.
694 -)))
380 +**Examples:**
695 695  
696 -* (((
697 -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.
698 -)))
382 +Below are examples for the how above AT Commands works.
699 699  
700 -* (((
701 -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.
702 -)))
384 +**AT+COMMANDx : **This command will be sent to RS485/TTL devices during each sampling, Max command length is 14 bytes. The grammar is:
703 703  
704 -(((
705 -
386 +(% border="1" class="table-bordered" %)
387 +|(((
388 +**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
706 706  
707 -So if user want to use downlink command to control to RS485 Alarm, he can use:
708 -)))
390 +**xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
709 709  
710 -(((
711 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
392 +**m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command**
712 712  )))
713 713  
714 714  (((
715 -(% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
396 +For example, if we have a RS485 sensor. The command to get sensor value is: 01 03 0B B8 00 02 46 0A. Where 01 03 0B B8 00 02 is the Modbus command to read the register 0B B8 where stored the sensor value. The 46 0A is the CRC-16/MODBUS which calculate manually.
716 716  )))
717 717  
718 718  (((
719 -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.
400 +In the RS485-BL, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
720 720  )))
721 721  
722 722  (((
723 -
404 +**AT+SEARCHx**: This command defines how to handle the return from AT+COMMANDx.
724 724  )))
725 725  
726 -(((
727 -(% style="color:blue" %)**Example 2:**  (%%) ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
728 -)))
407 +(% border="1" class="table-bordered" %)
408 +|(((
409 +**AT+SEARCHx=aa,xx xx xx xx xx**
729 729  
730 -(((
731 -User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
732 -)))
411 +* **aa: 1: prefix match mode; 2: prefix and suffix match mode**
412 +* **xx xx xx xx xx: match string. Max 5 bytes for prefix and 5 bytes for suffix**
733 733  
734 -(((
735 735  
736 736  )))
737 737  
738 -(((
739 -(((
740 -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**
741 -)))
417 +**Examples:**
742 742  
743 -
744 -)))
419 +~1. For a return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
745 745  
746 -(((
747 - (% 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" %)​
748 -)))
421 +If we set AT+SEARCH1=1,1E 56 34.      (max 5 bytes for prefix)
749 749  
423 +The valid data will be all bytes after 1E 56 34 , so it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30 31 00 49**
750 750  
425 +[[image:1653269403619-508.png]]
751 751  
752 -==== (% style="color:blue" %)**Set Payload version**(%%) ====
427 +2. For a return string from AT+COMMAND1:  16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
753 753  
429 +If we set AT+SEARCH1=2, 1E 56 34+31 00 49
754 754  
755 -(((
756 -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.
757 -)))
431 +Device will search the bytes between 1E 56 34 and 31 00 49. So it is (% style="background-color:yellow" %)** 2e 30 58 5f 36 41 30**
758 758  
759 -(((
760 -* (% style="color:#037691" %)**AT Command:**
433 +[[image:1653269438444-278.png]]
761 761  
762 -(% style="color:#4472c4" %)** AT+PAYVER:    ** (%%) Set PAYVER field = 1
435 +**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
763 763  
764 -
765 -)))
437 +|(((
438 +**AT+DATACUTx=a,b,c**
766 766  
767 -* (((
768 -(% style="color:#037691" %)**Downlink Payload:**
440 +* **a: length for the return of AT+COMMAND**
441 +* **b:1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.**
442 +* **c: define the position for valid value.  **
769 769  )))
770 770  
771 -(((
772 -(% style="color:#4472c4" %)** 0xAE 01** (%%) ~-~->  Set PAYVER field =  0x01
773 -)))
445 +Examples:
774 774  
775 -(((
776 -(% style="color:#4472c4" %)** 0xAE 0F**   (%%) ~-~->  Set PAYVER field =  0x0F
777 -)))
447 +* Grab bytes:
778 778  
449 +[[image:1653269551753-223.png||height="311" width="717"]]
779 779  
780 -**1 )  Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)**
451 +* Grab a section.
781 781  
453 +[[image:1653269568276-930.png||height="325" width="718"]]
782 782  
783 -[[image:image-20220824145428-2.png||height="168" width="1300"]]
455 +* Grab different sections.
784 784  
457 +[[image:1653269593172-426.png||height="303" width="725"]]
785 785  
459 +(% style="color:red" %)**Note:**
786 786  
787 -**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.**
461 +AT+SEARCHx and AT+DATACUTx can be used together, if both commands are set, RS485-BL will first process AT+SEARCHx on the return string and get a temporary string, and then process AT+DATACUTx on this temporary string to get the final payload. In this case, AT+DATACUTx need to set to format AT+DATACUTx=0,xx,xx where the return bytes set to 0.
788 788  
463 +Example:
789 789  
790 -[[image:image-20220824145428-3.png||height="308" width="1200"]]
465 +(% style="color:red" %)AT+COMMAND1=11 01 1E D0,0
791 791  
467 +(% style="color:red" %)AT+SEARCH1=1,1E 56 34
792 792  
469 +(% style="color:red" %)AT+DATACUT1=0,2,1~~5
793 793  
794 -==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
471 +(% style="color:red" %)Return string from AT+COMMAND1: 16 0c 1e 56 34 2e 30 58 5f 36 41 30 31 00 49
795 795  
473 +(% style="color:red" %)String after SEARCH command: 2e 30 58 5f 36 41 30 31 00 49
796 796  
797 -(((
798 -AT+COMMANDx or AT+DATACUTx
799 -)))
475 +(% style="color:red" %)Valid payload after DataCUT command: 2e 30 58 5f 36
800 800  
801 -(((
802 -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"]].
803 -)))
477 +[[image:1653269618463-608.png]]
804 804  
805 -(((
806 -
807 -)))
479 +=== 3.3.4 Compose the uplink payload ===
808 808  
809 -* (((
810 -(% style="color:#037691" %)**AT Command:**
811 -)))
812 -
813 -(% style="color:#4472c4" %)** AT+COMMANDx:    ** (%%) Configure RS485 read command to sensor.
814 -
815 -(% style="color:#4472c4" %)** AT+DATACUTx:        **(%%) Configure how to handle return from RS485 devices.
816 -
817 -
818 -* (((
819 -(% style="color:#037691" %)**Downlink Payload:**
820 -)))
821 -
822 822  (((
823 -(% style="color:#4472c4" %)** 0xAF**(%%) downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
824 -
825 -
482 +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.**
826 826  )))
827 827  
828 828  (((
829 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
830 -
831 -
486 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=0**
832 832  )))
833 833  
834 834  (((
835 -Format: (% style="color:#4472c4" %)** AF MM NN LL XX XX XX XX YY**
490 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**A SIGNLE UPLINK**.
836 836  )))
837 837  
838 838  (((
839 -Where:
494 +Final Payload is
840 840  )))
841 841  
842 -* (((
843 -MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
844 -)))
845 -* (((
846 -NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
847 -)))
848 -* (((
849 -LL:  The length of AT+COMMAND or AT+DATACUT command
850 -)))
851 -* (((
852 -XX XX XX XX: AT+COMMAND or AT+DATACUT command
853 -)))
854 -* (((
855 -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.
856 -)))
857 -
858 858  (((
859 -
860 -
861 -**Example:**
498 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx**
862 862  )))
863 863  
864 864  (((
865 -(% 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
502 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
866 866  )))
867 867  
868 -(((
869 -(% 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**
870 -)))
505 +[[image:1653269759169-150.png||height="513" width="716"]]
871 871  
872 -(((
873 -(% 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**
874 -)))
507 +(% style="color:#4f81bd" %)**Examples: AT+DATAUP=1**
875 875  
509 +Compose the uplink payload with value returns in sequence and send with (% style="color:red" %)**Multiply UPLINKs**.
876 876  
511 +Final Payload is
877 877  
878 -==== (% style="color:blue" %)**Fast command to handle MODBUS device**(%%) ====
513 +(% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
879 879  
515 +1. Battery Info (2 bytes): Battery voltage
516 +1. PAYVER (1 byte): Defined by AT+PAYVER
517 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
518 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
519 +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
880 880  
881 -(((
882 -(% 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]].
883 -)))
521 +[[image:1653269916228-732.png||height="433" width="711"]]
884 884  
885 -(((
886 -This command is valid since v1.3 firmware version
887 -)))
888 888  
889 -(((
890 -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.
891 -)))
524 +So totally there will be 3 uplinks for this sampling, each uplink includes 6 bytes DATA
892 892  
893 -(((
894 -
895 -)))
526 +DATA1=RETURN1 Valid Value = (% style="background-color:green; color:white" %)20 20 0a 33 90 41
896 896  
897 -(((
898 -**Example:**
899 -)))
528 +DATA2=1^^st^^ ~~ 6^^th^^ byte of Valid value of RETURN10=(% style="background-color:green; color:white" %) 02 aa 05 81 0a 20
900 900  
901 -* (((
902 -AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2  are not configure (0,0,0). So RS485-LN.
903 -)))
904 -* (((
905 -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.
906 -)))
907 -* (((
908 -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.
530 +DATA3=7^^th^^ ~~ 11^^th^^ bytes of Valid value of RETURN10 = (% style="background-color:green; color:white" %)20 20 20 2d 30
909 909  
910 -
911 -)))
532 +Below are the uplink payloads:
912 912  
913 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]]
534 +[[image:1653270130359-810.png]]
914 914  
915 -(% title="Click and drag to resize" %)​
916 916  
917 -(% 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" %)​
537 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
918 918  
539 + ~* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
919 919  
541 + * For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
920 920  
921 -==== (% style="color:blue" %)**RS485 command timeout**(%%) ====
543 + * For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
922 922  
545 + ~* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
923 923  
924 -(((
925 -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.
926 -)))
547 +=== 3.3.5 Uplink on demand ===
927 927  
928 -(((
929 -Default value: 0, range:  0 ~~ 65 seconds
930 -)))
549 +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.
931 931  
932 -(((
933 -* (% style="color:#037691" %)** AT Command:**
551 +Downlink control command:
934 934  
935 -(% style="color:#4472c4" %)** AT+CMDDLaa=hex(bb cc)*1000**
936 -)))
553 +[[0x08 command>>path:#downlink_08]]: Poll an uplink with current command set in RS485-BL.
937 937  
938 -(((
939 -
555 +[[0xA8 command>>path:#downlink_A8]]: Send a command to RS485-BL and uplink the output from sensors.
940 940  
941 -**Example:**
942 -)))
943 943  
944 -(((
945 -(% style="color:#4472c4" %)** AT+CMDDL1=1000** (%%)to send the open time to 1000ms
946 -)))
947 947  
948 -(((
949 -
950 -)))
559 +1.
560 +11.
561 +111. Uplink on Interrupt
951 951  
952 -* (((
953 -(% style="color:#037691" %)** Downlink Payload:**
954 -)))
563 +Put the interrupt sensor between 3.3v_out and GPIO ext.[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
955 955  
956 -(((
957 -(% style="color:#4472c4" %)** 0x AA aa bb cc**(%%) Same as: AT+CMDDLaa=hex (bb cc)
958 -)))
565 +AT+INTMOD=0  Disable Interrupt
959 959  
960 -(((
961 -
567 +AT+INTMOD=1  Interrupt trigger by rising or falling edge.
962 962  
963 -**Example:**
964 -)))
569 +AT+INTMOD=2  Interrupt trigger by falling edge. ( Default Value)
965 965  
966 -(((
967 -**0xAA 01 03 E8**  ~-~-> Same as  **AT+CMDDL1=1000 ms**
968 -)))
571 +AT+INTMOD=3  Interrupt trigger by rising edge.
969 969  
970 970  
574 +1.
575 +11. Uplink Payload
971 971  
972 -==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
577 +|**Size(bytes)**|**2**|**1**|**Length depends on the return from the commands**
578 +|Value|(((
579 +Battery(mV)
973 973  
581 +&
974 974  
975 -(((
976 -Define to use one uplink or multiple uplinks for the sampling.
977 -)))
583 +Interrupt _Flag
584 +)))|(((
585 +PAYLOAD_VER
978 978  
979 -(((
980 -The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
981 -
982 982  
983 -)))
588 +)))|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.
984 984  
985 -(((
986 -* (% style="color:#037691" %)** AT Command:**
590 +Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
987 987  
988 -(% style="color:#4472c4" %)** AT+DATAUP=0**
989 989  
990 -(% style="color:#4472c4" %)** AT+DATAUP=1**
593 +function Decoder(bytes, port) {
991 991  
992 -
993 -)))
595 +~/~/Payload Formats of RS485-BL Deceive
994 994  
995 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
597 +return {
996 996  
997 -Each uplink is sent to the server at 20-second intervals when segmented.
599 + ~/~/Battery,units:V
998 998  
601 + BatV:((bytes[0]<<8 | bytes[1])&0x7fff)/1000,
999 999  
1000 -* (((
1001 -(% style="color:#037691" %)** Downlink Payload:**
1002 -)))
603 + ~/~/GPIO_EXTI 
1003 1003  
1004 -(% style="color:#4472c4" %)** 0xAD 00** (%%) **~-~->** Same as AT+DATAUP=0
605 + EXTI_Trigger:(bytes[0] & 0x80)? "TRUE":"FALSE",
1005 1005  
1006 -(% 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.
607 + ~/~/payload of version
1007 1007  
609 + Pay_ver:bytes[2],
1008 1008  
1009 -* (((
1010 -(% style="color:#037691" %)** AT Command:**
1011 -)))
611 + };
1012 1012  
1013 -(% style="color:#4472c4" %)** AT+DATAUP=1,Timeout**
613 + }
1014 1014  
1015 1015  
1016 -* (((
1017 -(% style="color:#037691" %)** Downlink Payload:**
1018 -)))
1019 1019  
1020 -(% style="color:#4472c4" %)** 0xAD 01 00 00 14** (%%) **~-~->** Same as AT+DATAUP=1，20000  ~/~/  (00 00 14 is 20 seconds)
1021 1021  
1022 -Each uplink is sent to the server at 20-second intervals when segmented.
1023 1023  
1024 1024  
1025 1025  
1026 -==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
621 +TTN V3 uplink screen shot.
1027 1027  
623 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1028 1028  
1029 -(((
1030 -Ask device to send an uplink immediately.
1031 -)))
625 +1.
626 +11. Configure RS485-BL via AT or Downlink
1032 1032  
1033 -* (((
1034 -(% style="color:#037691" %)** AT Command:**
1035 -)))
628 +User can configure RS485-BL via [[AT Commands >>path:#_​Using_the_AT]]or LoRaWAN Downlink Commands
1036 1036  
1037 -(((
1038 -No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
1039 -)))
630 +There are two kinds of Commands:
1040 1040  
1041 -(((
1042 -
1043 -)))
632 +* **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
1044 1044  
1045 -* (((
1046 -(% style="color:#037691" %)** Downlink Payload:**
1047 -)))
634 +* **Sensor Related Commands**: These commands are special designed for RS485-BL.  User can see these commands below:
1048 1048  
1049 -(((
1050 -(% style="color:#4472c4" %)** 0x08 FF**(%%), RS485-LN will immediately send an uplink.
1051 -)))
636 +1.
637 +11.
638 +111. Common Commands:
1052 1052  
640 +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]]
1053 1053  
1054 1054  
1055 -==== (% style="color:blue" %)**Clear RS485 Command**(%%) ====
643 +1.
644 +11.
645 +111. Sensor related commands:
1056 1056  
647 +==== Choose Device Type (RS485 or TTL) ====
1057 1057  
1058 -(((
1059 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
649 +RS485-BL can connect to either RS485 sensors or TTL sensor. User need to specify what type of sensor need to connect.
1060 1060  
1061 -
1062 -)))
651 +* AT Command
1063 1063  
1064 -* (((
1065 -(% style="color:#037691" %)** AT Command:**
1066 -)))
653 +**AT+MOD=1** ~/~/ Set to support RS485-MODBUS type sensors. User can connect multiply RS485 , Modbus sensors to the A / B pins.
1067 1067  
1068 -(((
1069 -(% style="color:#4472c4" %)** AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
1070 -)))
655 +**AT+MOD=2** ~/~/ Set to support TTL Level sensors, User can connect one TTL Sensor to the TXD/RXD/GND pins.
1071 1071  
1072 -(((
1073 -
1074 1074  
1075 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1076 -)))
658 +* Downlink Payload
1077 1077  
1078 -(((
1079 -Example screen shot after clear all RS485 commands. 
1080 -)))
660 +**0A aa**     à same as AT+MOD=aa
1081 1081  
1082 -(((
1083 -
1084 -)))
1085 1085  
1086 -(((
1087 -The uplink screen shot is:
1088 -)))
1089 1089  
1090 -(% 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" %)​
664 +==== [[RS485 Debug Command>>path:#downlink_A8]] (AT+CFGDEV) ====
1091 1091  
666 +This command is used to configure the RS485 or TTL sensors; they won’t be used during sampling.
1092 1092  
1093 -* (((
1094 -(% style="color:#037691" %)** Downlink Payload:**
1095 -)))
668 +* AT Command
1096 1096  
1097 -(((
1098 -(% style="color:#4472c4" %)** 0x09 aa bb** (%%) same as AT+CMDEAR=aa,bb
1099 -)))
670 +AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
1100 1100  
672 +m: 0: no CRC; 1: add CRC-16/MODBUS in the end of this command.
1101 1101  
1102 1102  
1103 -==== (% style="color:blue" %)**Set Serial Communication Parameters**(%%) ====
1104 1104  
676 +* Downlink Payload
1105 1105  
1106 -(((
1107 -Set the Rs485 serial communication parameters:
1108 -)))
678 +Format: A8 MM NN XX XX XX XX YY
1109 1109  
1110 -(((
1111 -(% style="color:#037691" %)**AT Command:**
1112 -)))
680 +Where:
1113 1113  
1114 -(((
1115 -* Set Baud Rate
1116 -)))
682 +* MM: 1: add CRC-16/MODBUS ; 0: no CRC
683 +* NN: The length of RS485 command
684 +* XX XX XX XX: RS485 command total NN bytes
685 +* 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
1117 1117  
1118 -(% 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
687 +**Example 1:**
1119 1119  
689 +To connect a Modbus Alarm with below commands.
1120 1120  
1121 -(((
1122 -* Set UART Parity
1123 -)))
691 +* 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.
1124 1124  
1125 -(% style="color:#4472c4" %)** AT+PARITY=0** (%%) ~/~/  Option: 0: no parity, 1: odd parity, 2: even parity
693 +* The command to deactivate alarm is: 0A 05 00 04 00 00 8D 70. Where 0A 05 00 04 00 00 is the Modbus command to read the register 00 40 where stored the DI status. The 8D 70 is the CRC-16/MODBUS which calculate manually.
1126 1126  
695 +So if user want to use downlink command to control to RS485 Alarm, he can use:
1127 1127  
1128 -(((
1129 -* Set STOPBIT
1130 -)))
697 +**A8 01 06 0A 05 00 04 00 01 00**: to activate the RS485 Alarm
1131 1131  
1132 -(% style="color:#4472c4" %)** AT+STOPBIT=0** (%%) ~/~/  Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
699 +**A8 01 06 0A 05 00 04 00 00 00**: to deactivate the RS485 Alarm
1133 1133  
701 +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.
1134 1134  
1135 -(((
1136 -(% style="color:#037691" %)**Downlink Payload:**
1137 -)))
1138 1138  
1139 -(((
1140 -(% style="color:#4472c4" %)** A7 01 aa bb**:   (%%) Same  AT+BAUDR=hex(aa bb)*100
1141 -)))
704 +**Example 2:**
1142 1142  
1143 -(((
1144 -**Example:**
1145 -)))
706 +Check TTL Sensor return:
1146 1146  
1147 -* (((
1148 -A7 01 00 60  same as AT+BAUDR=9600
1149 -)))
1150 -* (((
1151 -A7 01 04 80  same as AT+BAUDR=115200
1152 -)))
708 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
1153 1153  
1154 -(((
1155 -* A7 02 aa:  Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1156 -)))
1157 1157  
1158 -(((
1159 -* A7 03 aa:  Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1160 -)))
1161 1161  
1162 1162  
713 +==== Set Payload version ====
1163 1163  
715 +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.
1164 1164  
1165 -==== (% style="color:blue" %)**Configure Databit (Since Version 1.4.0)**(%%) ====
717 +* AT Command:
1166 1166  
719 +AT+PAYVER: Set PAYVER field = 1
1167 1167  
1168 -* (((
1169 -(% style="color:#037691" %)** AT Command:**
1170 -)))
1171 1171  
1172 -(% style="color:#4472c4" %)** AT+DATABIT=7    **(%%)~/~/ Set the data bits to 7
722 +* Downlink Payload:
1173 1173  
1174 -(% style="color:#4472c4" %)** AT+DATABIT=8    **(%%)~/~/ Set the data bits to 8
724 +0xAE 01   à Set PAYVER field =  0x01
1175 1175  
1176 -* (((
1177 -(% style="color:#037691" %)**Downlink Payload:**
1178 -)))
726 +0xAE 0F   à Set PAYVER field =  0x0F
1179 1179  
1180 -(% style="color:#4472c4" %)** A7 04 07**(%%): Same as  AT+DATABIT=7
1181 1181  
1182 -(% style="color:#4472c4" %)** A7 04 08**(%%): Same as  AT+DATABIT=8
729 +==== Set RS485 Sampling Commands ====
1183 1183  
731 +AT+COMMANDx, AT+DATACUTx and AT+SEARCHx
1184 1184  
733 +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]].
1185 1185  
1186 -==== (% style="color:blue" %)**Encrypted payload(Since Version 1.4.0)**(%%) ====
1187 1187  
1188 -(((
1189 -
1190 -)))
736 +* AT Command:
1191 1191  
1192 -* (((
1193 -(% style="color:#037691" %)** AT Command:**
1194 -)))
738 +AT+COMMANDx: Configure RS485 read command to sensor.
1195 1195  
1196 -(% style="color:#4472c4" %)** AT+DECRYPT=1  ** (%%) ~/~/ The payload is uploaded without encryption
740 +AT+DATACUTx: Configure how to handle return from RS485 devices.
1197 1197  
1198 -(% style="color:#4472c4" %)** AT+DECRYPT=0  ** (%%) ~/~/ Encrypt when uploading payload (default)
742 +AT+SEARCHx: Configure search command
1199 1199  
1200 1200  
745 +* Downlink Payload:
1201 1201  
1202 -==== (% style="color:blue" %)**Get sensor value(Since Version 1.4.0)**(%%) ====
747 +0xAF downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
1203 1203  
749 +Note: if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
1204 1204  
1205 -* (((
1206 -(% style="color:#037691" %)** AT Command:**
1207 -)))
751 +Format: AF MM NN LL XX XX XX XX YY
1208 1208  
1209 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=0  **(%%) ~/~/ The serial port gets the reading of the current sensor
753 +Where:
1210 1210  
1211 -(% style="color:#4472c4" %)** AT+GETSENSORVALUE=1  **(%%) ~/~/ The serial port gets the current sensor reading and uploads it.
755 +* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
756 +* NN: 0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
757 +* LL: The length of AT+COMMAND or AT+DATACUT command
758 +* XX XX XX XX: AT+COMMAND or AT+DATACUT command
759 +* 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.
1212 1212  
761 +Example:
1213 1213  
763 +**AF 03 01 06 0A 05 00 04 00 01 00**: Same as AT+COMMAND3=0A 05 00 04 00 01,1
1214 1214  
1215 -==== (% style="color:blue" %)**Resets the downlink packet count(Since Version 1.4.0)**(%%) ====
765 +**AF 03 02 06 10 01 05 06 09 0A 00**: Same as AT+DATACUT3=**16**,**1**,**5+6+9+10**
1216 1216  
767 +**AF 03 02 06 0B 02 05 07 08 0A 00**: Same as AT+DATACUT3=**11**,**2**,**5~~7+8~~10**
1217 1217  
1218 -* (((
1219 -(% style="color:#037691" %)** AT Command:**
1220 -)))
1221 1221  
1222 -(% 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)
770 +0xAB downlink command can be used for set AT+SEARCHx
1223 1223  
1224 -(% 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.
772 +Example: **AB aa 01 03 xx xx xx** (03 here means there are total 3 bytes after 03) So
1225 1225  
774 +* AB aa 01 03 xx xx xx  same as AT+SEARCHaa=1,xx xx xx
775 +* 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
1226 1226  
777 +**AB aa 02 03 xx xx xx 02 yy yy**  same as **AT+SEARCHaa=2,xx xx xx+yy yy**
1227 1227  
1228 -==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches(Since Version 1.4.0)**(%%) ====
1229 1229  
780 +==== Fast command to handle MODBUS device ====
1230 1230  
1231 -* (((
1232 -(% style="color:#037691" %)** AT Command:**
1233 -)))
782 +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]].
1234 1234  
1235 - (% 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)
784 +This command is valid since v1.3 firmware version
1236 1236  
1237 - (% 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.
1238 1238  
787 +AT+MBFUN has only two value:
1239 1239  
1240 -* (((
1241 -(% style="color:#037691" %)** Downlink Payload:**
1242 -)))
789 +* AT+MBFUN=1: Enable Modbus reading. And get response base on the MODBUS return
1243 1243  
1244 -(% style="color:#4472c4" %)** 0x21 00 01 ** (%%) ~/~/ Set  the DISMACANS=1
791 +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.
1245 1245  
793 +* AT+MBFUN=0: Disable Modbus fast reading.
1246 1246  
795 +Example:
1247 1247  
1248 -==== (% style="color:blue" %)**Copy downlink to uplink (Since Version 1.4.0)**(%%) ====
797 +* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0).
798 +* 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.
799 +* 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.
1249 1249  
801 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
1250 1250  
1251 -* (((
1252 -(% style="color:#037691" %)** AT Command:**
1253 -)))
1254 1254  
1255 -(% 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.
804 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
1256 1256  
1257 -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.
1258 1258  
807 +* Downlink Commands:
1259 1259  
1260 -[[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"]]
809 +A9 aa -à Same as AT+MBFUN=aa
1261 1261  
1262 -For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1263 1263  
812 +==== RS485 command timeout ====
1264 1264  
814 +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.
1265 1265  
1266 -[[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"]]
816 +Default value: 0, range:  0 ~~ 5 seconds
1267 1267  
1268 -For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1269 1269  
819 +* AT Command:
1270 1270  
821 +AT+CMDDLaa=hex(bb cc)
1271 1271  
1272 -==== (% style="color:blue" %)**Query version number and frequency band 、TDC(Since Version 1.4.0)**(%%) ====
823 +Example:
1273 1273  
825 +**AT+CMDDL1=1000** to send the open time to 1000ms
1274 1274  
1275 -(((
1276 -* (% style="color:#037691" %)**Downlink Payload:**
1277 1277  
1278 -(% style="color:#4472c4" %)** 26 01  ** (%%) ~/~/  Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1279 -)))
828 +* Downlink Payload:
1280 1280  
830 +0x AA aa bb cc
1281 1281  
1282 -Example：
832 +Same as: AT+CMDDLaa=hex(bb cc)
1283 1283  
834 + Example:
1284 1284  
1285 -[[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"]]
836 + 0xAA 01 03 E8  à Same as **AT+CMDDL1=1000 ms**
1286 1286  
1287 1287  
839 +==== [[Uplink>>path:#downlink_A8]] payload mode ====
1288 1288  
1289 -==== (% style="color:blue" %)** Monitor RS485 communication of other devices(Since Version 1.4.0)**(%%) ====
841 +Define to use one uplink or multiple uplinks for the sampling.
1290 1290  
843 +The use of this command please see: [[Compose Uplink payload>>path:#DataUP]]
1291 1291  
1292 -* (((
1293 -(% style="color:#037691" %)** AT Command:**
1294 -)))
845 +* AT Command:
1295 1295  
1296 -(% 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.
847 +AT+DATAUP=0
1297 1297  
1298 -(% 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.
849 +AT+DATAUP=1
1299 1299  
1300 -(% style="color:#4472c4" %)**AT+RXMODE=0,0  ** (%%) ~/~/  Disable this mode (default)
1301 1301  
852 +* Downlink Payload:
1302 1302  
1303 -* (((
1304 -(% style="color:#037691" %)**Downlink Payload:**
1305 -)))
854 +0xAD 00   à Same as AT+DATAUP=0
1306 1306  
1307 -(% style="color:#4472c4" %)** A6 aa bb bb               ** (%%) ~/~/ same as AT+RXMODE=aa,bb
856 +0xAD 01   à Same as AT+DATAUP=1
1308 1308  
1309 -[[image:image-20220824144240-1.png]]
1310 1310  
859 +==== Manually trigger an Uplink ====
1311 1311  
1312 -== 3.6 Listening mode for RS485 network ==
861 +Ask device to send an uplink immediately.
1313 1313  
863 +* Downlink Payload:
1314 1314  
1315 -(((
1316 -This feature support since firmware v1.4
1317 -)))
865 +0x08 FF, RS485-BL will immediately send an uplink.
1318 1318  
1319 -(((
1320 -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.
1321 1321  
1322 -
1323 -)))
868 +==== Clear RS485 Command ====
1324 1324  
1325 -(% 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"]]
870 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
1326 1326  
1327 -(% title="Click and drag to resize" %)​
1328 1328  
1329 -(((
1330 -To enable the listening mode, use can run the command (% style="color:#4472c4" %)** AT+RXMODE**.
1331 -)))
873 +* AT Command:
1332 1332  
1333 -(((
1334 -
1335 -)))
875 +**AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
1336 1336  
1337 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1338 -|=(% style="width: 100px;" %)(((
1339 -**Command example**
1340 -)))|=(% style="width: 400px;" %)(((
1341 -**Function**
1342 -)))
1343 -|(% style="width:100px" %)(((
1344 -AT+RXMODE=1,10
1345 -)))|(% style="width:400px" %)(((
1346 -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.
1347 -)))
1348 -|(% style="width:100px" %)(((
1349 -AT+RXMODE=2,500
1350 -)))|(% style="width:400px" %)(((
1351 -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
1352 -)))
1353 -|(% style="width:100px" %)(((
1354 -AT+RXMODE=0,0
1355 -)))|(% style="width:400px" %)(((
1356 -Disable listening mode. This is the default settings.
1357 -)))
1358 -|(% style="width:100px" %)(((
1359 -
1360 -)))|(% style="width:400px" %)(((
1361 -A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1362 -)))
877 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1363 1363  
1364 -(((
1365 -
879 +Example screen shot after clear all RS485 commands. 
1366 1366  
1367 -(% style="color:#037691" %)**Downlink Command:**
1368 -)))
1369 1369  
1370 -(((
1371 -(% style="color:#4472c4" %)** 0xA6 aa bb cc **(%%) same as AT+RXMODE=aa,(bb<<8 | cc)
1372 -)))
1373 1373  
1374 -(((
1375 -
1376 -)))
883 +The uplink screen shot is:
1377 1377  
1378 -(((
1379 -**Example**:
1380 -)))
885 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
1381 1381  
1382 -(((
1383 -The RS485-LN is set to AT+RXMODE=2,1000
1384 -)))
1385 1385  
1386 -(((
1387 -There is a two Modbus commands in the RS485 network as below:
1388 -)))
888 +* Downlink Payload:
1389 1389  
1390 -(((
1391 -The Modbus master send a command: (% style="background-color:#ffc000" %)**01 03 00 00 00 02 c4 0b**
1392 -)))
890 +0x09 aa bb same as AT+CMDEAR=aa,bb
1393 1393  
1394 -(((
1395 -And Modbus slave reply with: (% style="background-color:green" %)**01 03 04 00 00 00 00 fa 33**
1396 -)))
1397 1397  
1398 -(((
1399 -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**
893 +==== Set Serial Communication Parameters ====
1400 1400  
1401 -
1402 -)))
895 +Set the Rs485 serial communication parameters:
1403 1403  
1404 -(((
1405 -(% 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" %)​
1406 -)))
897 +* AT Command:
1407 1407  
1408 -(((
1409 -
1410 -)))
899 +Set Baud Rate:
1411 1411  
1412 -(((
1413 -(((
1414 -(% 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.**
1415 -)))
1416 -)))
901 +AT+BAUDR=9600    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1417 1417  
1418 1418  
1419 -== 3.7 Buttons ==
904 +Set UART parity
1420 1420  
906 +AT+PARITY=0    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1421 1421  
1422 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1423 -|=(% style="width: 50px;" %)**Button**|=(% style="width: 380px;" %)**Feature**
1424 -|(% 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**
1425 -|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1426 -|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1427 1427  
1428 -== 3.8 LEDs ==
909 +Set STOPBIT
1429 1429  
911 +AT+STOPBIT=0    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1430 1430  
1431 -(% border="1.5" cellspacing="4" style="background-color:#ffffcc; width:430px" %)
1432 -|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1433 -|**PWR**|Always on if there is power
1434 -|**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.
1435 1435  
1436 -= 4. Case Study =
914 +* Downlink Payload:
1437 1437  
916 +A7 01 aa bb: Same  AT+BAUDR=hex(aa bb)*100
1438 1438  
1439 -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]]
918 +Example:
1440 1440  
920 +* A7 01 00 60   same as AT+BAUDR=9600
921 +* A7 01 04 80  same as AT+BAUDR=115200
1441 1441  
1442 -= 5. Use AT Command =
923 +A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1443 1443  
1444 -== 5.1 Access AT Command ==
925 +A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1445 1445  
1446 1446  
1447 -(((
1448 -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.
928 +==== Control output power duration ====
1449 1449  
1450 -
1451 -)))
930 +User can set the output power duration before each sampling.
1452 1452  
1453 -(% 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" %)​
932 +* AT Command:
1454 1454  
934 +Example:
1455 1455  
936 +AT+3V3T=1000 ~/~/ 3V3 output power will open 1s before each sampling.
1456 1456  
1457 -(((
1458 -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:
938 +AT+5VT=1000 ~/~/ +5V output power will open 1s before each sampling.
1459 1459  
1460 -
1461 -)))
1462 1462  
1463 -(% 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" %)​
941 +* LoRaWAN Downlink Command:
1464 1464  
943 +07 01 aa bb  Same as AT+5VT=(aa bb)
1465 1465  
1466 -(((
1467 -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/]]
1468 -)))
945 +07 02 aa bb  Same as AT+3V3T=(aa bb)
1469 1469  
1470 1470  
1471 -== 5.2 Common AT Command Sequence ==
1472 1472  
1473 -=== 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
1474 1474  
950 +1.
951 +11. Buttons
1475 1475  
1476 -If device has not joined network yet:
953 +|**Button**|**Feature**
954 +|**RST**|Reboot RS485-BL
1477 1477  
1478 -* (% style="color:#037691" %)**AT+FDR**
1479 -* (% style="color:#037691" %)**AT+NJM=0**
1480 -* (% style="color:#037691" %)**ATZ**
956 +1.
957 +11. +3V3 Output
1481 1481  
1482 -(((
1483 -
959 +RS485-BL has a Controllable +3V3 output, user can use this output to power external sensor.
1484 1484  
1485 -If device already joined network:
961 +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. 
1486 1486  
1487 -* (% style="color:#037691" %)**AT+NJM=0**
1488 -* (% style="color:#037691" %)**ATZ**
1489 -)))
1490 1490  
964 +The +3V3 output time can be controlled by AT Command.
1491 1491  
966 +**AT+3V3T=1000**
1492 1492  
1493 -=== 5.5.2 Single-channel ABP mode (Use with LG01/LG02) ===
968 +Means set +3v3 valid time to have 1000ms. So, the real +3v3 output will actually have 1000ms + sampling time for other sensors.
1494 1494  
1495 1495  
1496 -(% style="background-color:#dcdcdc" %)**AT+FDR** (%%) Reset Parameters to Factory Default, Keys Reserve
971 +By default, the AT+3V3T=0. This is a special case, means the +3V3 output is always on at any time
1497 1497  
1498 -(% style="background-color:#dcdcdc" %)**AT+NJM=0 **(%%) Set to ABP mode
1499 1499  
1500 -(% style="background-color:#dcdcdc" %)**AT+ADR=0** (%%) Set the Adaptive Data Rate Off
974 +1.
975 +11. +5V Output
1501 1501  
1502 -(% style="background-color:#dcdcdc" %)**AT+DR=5**   (%%) Set Data Rate
977 +RS485-BL has a Controllable +5V output, user can use this output to power external sensor.
1503 1503  
1504 -(% style="background-color:#dcdcdc" %)**AT+TDC=60000** (%%) Set transmit interval to 60 seconds
979 +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. 
1505 1505  
1506 -(% style="background-color:#dcdcdc" %)**AT+CHS=868400000**(%%)  Set transmit frequency to 868.4Mhz
1507 1507  
1508 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ=868400000** (%%) Set RX2Frequency to 868.4Mhz (according to the result from server)
982 +The 5V output time can be controlled by AT Command.
1509 1509  
1510 -(% style="background-color:#dcdcdc" %)**AT+RX2DR=5**  (%%) Set RX2DR to match the downlink DR from server. see below
984 +**AT+5VT=1000**
1511 1511  
1512 -(% 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.
986 +Means set 5V valid time to have 1000ms. So, the real 5V output will actually have 1000ms + sampling time for other sensors.
1513 1513  
1514 -(% style="background-color:#dcdcdc" %)**ATZ**       (%%) Reset MCU
1515 1515  
989 +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.
1516 1516  
1517 -(% style="color:red" %)**Note:**
1518 1518  
1519 -(((
1520 -(% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1521 -2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1522 -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.
1523 -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
1524 1524  
1525 -
1526 -)))
1527 1527  
1528 -(% 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" %)​
994 +1.
995 +11. LEDs
1529 1529  
997 +|**LEDs**|**Feature**
998 +|**LED1**|Blink when device transmit a packet.
1530 1530  
1531 -= 6. FAQ =
1000 +1.
1001 +11. Switch Jumper
1532 1532  
1533 -== 6.1 How to upgrade the image? ==
1003 +|**Switch Jumper**|**Feature**
1004 +|**SW1**|(((
1005 +ISP position: Upgrade firmware via UART
1534 1534  
1535 -
1536 -(((
1537 -The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1007 +Flash position: Configure device, check running status.
1538 1538  )))
1009 +|**SW2**|(((
1010 +5V position: set to compatible with 5v I/O.
1539 1539  
1540 -* (((
1541 -Support new features
1012 +3.3v position: set to compatible with 3.3v I/O.,
1542 1542  )))
1543 -* (((
1544 -For bug fix
1545 -)))
1546 -* (((
1547 -Change LoRaWAN bands.
1548 -)))
1549 1549  
1550 -(((
1551 -Below shows the hardware connection for how to upload an image to RS485-LN:
1552 -)))
1015 ++3.3V: is always ON
1553 1553  
1554 -(% 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"]]
1017 ++5V: Only open before every sampling. The time is by default, it is AT+5VT=0.  Max open time. 5000 ms.
1555 1555  
1556 -(% title="Click and drag to resize" %)​
1019 +1. Case Study
1557 1557  
1558 -(((
1559 -(% 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]].
1021 +User can check this URL for some case studies.
1560 1560  
1561 -
1562 -)))
1023 +[[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]]
1563 1563  
1564 -(((
1565 -(% 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]].
1566 1566  
1567 -
1568 -)))
1569 1569  
1570 -(((
1571 -(% style="color:blue" %)**Step3**(%%)**: **Open flashloader; choose the correct COM port to update.
1572 1572  
1573 -
1574 -)))
1028 +1. Use AT Command
1029 +11. Access AT Command
1575 1575  
1576 -(((
1577 -(((
1578 -(((
1579 -(% 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.
1580 -)))
1581 -)))
1582 -)))
1031 +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.
1583 1583  
1033 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
1584 1584  
1585 -(% 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" %)​
1586 1586  
1036 +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:
1587 1587  
1588 -(% 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" %)​
1038 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
1589 1589  
1590 1590  
1591 -(% 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" %)​
1592 1592  
1042 +More detail AT Command manual can be found at [[AT Command Manual>>path:#AT_COMMAND]]
1593 1593  
1594 -(% 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:**
1595 1595  
1596 -(% 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" %)​
1597 1597  
1046 +1.
1047 +11. Common AT Command Sequence
1048 +111. Multi-channel ABP mode (Use with SX1301/LG308)
1598 1598  
1599 -== 6.2 How to change the LoRa Frequency Bands/Region? ==
1050 +If device has not joined network yet:
1600 1600  
1052 +AT+FDR
1601 1601  
1602 -User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1054 +AT+NJM=0
1603 1603  
1056 +ATZ
1604 1604  
1605 -== 6.3 How many RS485-Slave can RS485-LN connects? ==
1606 1606  
1059 +If device already joined network:
1607 1607  
1608 -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"]].
1061 +AT+NJM=0
1609 1609  
1063 +ATZ
1610 1610  
1611 -== 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
1065 +1.
1066 +11.
1067 +111. Single-channel ABP mode (Use with LG01/LG02)
1612 1612  
1069 +AT+FDR   Reset Parameters to Factory Default, Keys Reserve
1613 1613  
1614 -When user need to use with ChirpStack or TTI. Please set AT+RPL=4.
1071 +AT+NJM=0 Set to ABP mode
1615 1615  
1616 -Detail info check this link: [[Set Packet Receiving Response Level>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H7.23SetPacketReceivingResponseLevel"]]
1073 +AT+ADR=0 Set the Adaptive Data Rate Off
1617 1617  
1075 +AT+DR=5  Set Data Rate
1618 1618  
1619 -== 6.5 Can i use point to point communication for RS485-LN? ==
1077 +AT+TDC=60000  Set transmit interval to 60 seconds
1620 1620  
1079 +AT+CHS=868400000 Set transmit frequency to 868.4Mhz
1621 1621  
1622 -Yes, please updating point-to-point [[firmware>>https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]]，then refer [[Point to Point Communication for RS485-LN>>Point to Point Communication for RS485-LN]].
1081 +AT+RX2FQ=868400000 Set RX2Frequency to 868.4Mhz (according to the result from server)
1623 1623  
1083 +AT+RX2DR=5  Set RX2DR to match the downlink DR from server. see below
1624 1624  
1625 -== 6.6 How to Use RS485-LN  to connect to RS232 devices? ==
1085 +AT+DADDR=26 01 1A F1 Set Device Address to 26 01 1A F1, this ID can be found in the LoRa Server portal.
1626 1626  
1087 +ATZ          Reset MCU
1627 1627  
1628 -[[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/]]
1089 +**Note:**
1629 1629  
1091 +1. Make sure the device is set to ABP mode in the IoT Server.
1092 +1. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1093 +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.
1094 +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
1630 1630  
1631 -== 6.7 How to judge whether there is a problem with the set COMMAND ==
1096 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
1632 1632  
1633 -=== 6.7.1 Introduce: ===
1634 1634  
1099 +1. FAQ
1100 +11. How to upgrade the image?
1635 1635  
1636 -Users can use below the structure to fast debug the communication between RS485BL and RS485-LN. The principle is to put the PC in the RS485 network and sniff the packet between Modbus MTU and RS485-BL/LN. We can use this way to:
1102 +The RS485-BL LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-BL to:
1637 1637  
1638 -1. Test if Modbus-MTU works with PC commands.
1639 -1. Check if RS485-LN sent the expected command to Mobus-MTU
1640 -1. Check if Modbus-MTU return back the expected result to RS485-LN.
1641 -1. If both b) and c) has issue, we can compare PC’s output and RS485-LN output.
1104 +* Support new features
1105 +* For bug fix
1106 +* Change LoRaWAN bands.
1642 1642  
1643 -[[image:image-20221130104310-1.png||height="380" width="680"]]
1108 +Below shows the hardware connection for how to upload an image to RS485-BL:
1644 1644  
1110 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
1645 1645  
1646 -Example Connection:
1112 +**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]].
1647 1647  
1648 -[[image:image-20221130104310-2.png]]
1114 +**Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1649 1649  
1116 +**Step3: **Open flashloader; choose the correct COM port to update.
1650 1650  
1651 -=== 6.7.2 Set up PC to monitor RS485 network With Serial tool ===
1652 1652  
1119 +|(((
1120 +HOLD PRO then press the RST button, SYS will be ON, then click next
1121 +)))
1653 1653  
1654 -(% style="color:red" %)**Note: Receive and send set to hex mode**
1123 +|(((
1124 +Board detected
1125 +)))
1655 1655  
1656 -[[image:image-20221130104310-3.png||height="616" width="714"]]
1127 +|(((
1128 +
1129 +)))
1657 1657  
1131 +[[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]]
1658 1658  
1659 -=== 6.7.3 With ModRSsim2: ===
1660 1660  
1661 1661  
1662 -(% style="color:blue" %)**(1) Select serial port MODBUS RS-232**
1135 +[[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]]
1663 1663  
1664 -[[image:image-20221130104310-4.png||height="390" width="865"]]
1665 1665  
1138 +[[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]]
1666 1666  
1667 -(% style="color:blue" %)**(2) Click the serial port icon**
1668 1668  
1669 -[[image:image-20221130104310-5.png||height="392" width="870"]]
1141 +1.
1142 +11. How to change the LoRa Frequency Bands/Region?
1670 1670  
1144 +User can follow the introduction for [[how to upgrade image>>path:#upgrade_image]]. When download the images, choose the required image file for download.
1671 1671  
1672 -(% style="color:blue" %)**(3) After selecting the correct serial port and baud rate, click ok**
1673 1673  
1674 -[[image:image-20221130104310-6.png]]
1675 1675  
1148 +1.
1149 +11. How many RS485-Slave can RS485-BL connects?
1676 1676  
1677 -(% style="color:blue" %)**(4) Click the comms.**
1151 +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]].
1678 1678  
1679 -[[image:image-20221130104310-7.png||height="376" width="835"]]
1680 1680  
1681 -(% class="wikigeneratedid" id="HRunRS485-LN2FBLcommandandmonitorifitiscorrect." %)
1682 -**Run RS485-LN/BL command and monitor if it is correct.**
1683 1683  
1684 1684  
1685 -=== 6.7.4 Example – Test the CFGDEV command ===
1156 +1. Trouble Shooting     
1157 +11. Downlink doesn’t work, how to solve it?
1686 1686  
1159 +Please see this link for debug:
1687 1687  
1688 -RS485-LN sent below command:
1161 +[[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]] 
1689 1689  
1690 -(% style="color:blue" %)**AT+CFGDEV=01 03 00 20 00 01,1**(%%) to RS485 network, and PC is able to get this command and return commands from MTU to show in the serial tool.
1691 1691  
1692 1692  
1693 -We can see the output from the Serial port tool to analyze. And check if they are expected result.
1165 +1.
1166 +11. Why I can’t join TTN V3 in US915 /AU915 bands?
1694 1694  
1695 -[[image:image-20221130104310-8.png||height="214" width="797"]]
1168 +It might about the channels mapping. Please see for detail.
1696 1696  
1170 +[[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]]
1697 1697  
1698 -We can also use (% style="color:blue" %)**ModRSsim2**(%%) to see the output.
1699 1699  
1700 -[[image:image-20221130104310-9.png||height="531" width="729"]]
1701 1701  
1174 +1. Order Info
1702 1702  
1703 -=== 6.7.5 Example – Test CMD command sets. ===
1176 +**Part Number: RS485-BL-XXX**
1704 1704  
1178 +**XXX:**
1705 1705  
1706 -Run (% style="color:blue" %)**AT+SENSORVALUE=1**(%%) to test the CMD commands set in RS485-LN.
1180 +* **EU433**: frequency bands EU433
1181 +* **EU868**: frequency bands EU868
1182 +* **KR920**: frequency bands KR920
1183 +* **CN470**: frequency bands CN470
1184 +* **AS923**: frequency bands AS923
1185 +* **AU915**: frequency bands AU915
1186 +* **US915**: frequency bands US915
1187 +* **IN865**: frequency bands IN865
1188 +* **RU864**: frequency bands RU864
1189 +* **KZ865: **frequency bands KZ865
1707 1707  
1191 +1. Packing Info
1708 1708  
1709 -(% style="color:blue" %)**Serial port tool:**
1710 -
1711 -[[image:image-20221130104310-10.png||height="339" width="844"]]
1712 -
1713 -
1714 -(% style="color:blue" %)**ModRSsim2:**
1715 -
1716 -[[image:image-20221130104310-11.png||height="281" width="962"]]
1717 -
1718 -
1719 -=== 6.7.6 Test with PC ===
1720 -
1721 -
1722 -If there is still have problem to set up correctly the commands between RS485-LN and MTU. User can test the correct RS485 command set in PC and compare with the RS485 command sent out via RS485-LN. as long as both commands are the same, the MTU should return correct result.
1723 -
1724 -
1725 -Or User can send the working commands set in PC serial tool to Dragino Support to check what should be configured in RS485-LN.
1726 -
1727 -(% style="color:blue" %)**Connection method：**
1728 -
1729 -[[image:image-20221130104310-12.png]]
1730 -
1731 -
1732 -(% style="color:blue" %)**Link situation:**
1733 -
1734 -[[image:image-20221130104310-13.png||height="458" width="486"]]
1735 -
1736 -
1737 -[[image:image-20221130104310-14.png||height="371" width="823"]]
1738 -
1739 -
1740 -== 6.8 Where to get the decoder for RS485-LN? ==
1741 -
1742 -
1743 -The decoder for RS485-LN needs to be written by yourself. Because the sensor to which the user is connected is custom, the read device data bytes also need custom parsing, so there is no universal decoder. We can only provide [[templates>>https://github.com/dragino/dragino-end-node-decoder/tree/main/RS485-LN]] for decoders (no intermediate data parsing part involved)
1744 -
1745 -
1746 -= 7. Trouble Shooting =
1747 -
1748 -== 7.1 Downlink doesn't work, how to solve it? ==
1749 -
1750 -
1751 -Please see this link for debug: [[LoRaWAN Communication Debug>>doc:Main.LoRaWAN Communication Debug.WebHome]]
1752 -
1753 -
1754 -== 7.2 Why I can't join TTN V3 in US915 /AU915 bands? ==
1755 -
1756 -
1757 -It might about the channels mapping. Please see for detail: [[Notice of Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1758 -
1759 -
1760 -= 8. Order Info =
1761 -
1762 -
1763 -(% style="color:blue" %)**Part Number: RS485-LN-XXX**
1764 -
1765 -(% style="color:blue" %)**XXX:**
1766 -
1767 -* (% style="color:red" %)**EU433**(%%):  frequency bands EU433
1768 -* (% style="color:red" %)**EU868**(%%):  frequency bands EU868
1769 -* (% style="color:red" %)**KR920**(%%):  frequency bands KR920
1770 -* (% style="color:red" %)**CN470**(%%):  frequency bands CN470
1771 -* (% style="color:red" %)**AS923**(%%):  frequency bands AS923
1772 -* (% style="color:red" %)**AU915**(%%):  frequency bands AU915
1773 -* (% style="color:red" %)**US915**(%%):  frequency bands US915
1774 -* (% style="color:red" %)**IN865**(%%):  frequency bands IN865
1775 -* (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1776 -* (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1777 -
1778 -= 9. Packing Info =
1779 -
1780 -
1781 1781  **Package Includes**:
1782 1782  
1783 -* RS485-LN x 1
1195 +* RS485-BL x 1
1784 1784  * Stick Antenna for LoRa RF part x 1
1785 1785  * Program cable x 1
1786 1786  
... ... @@ -1791,67 +1791,9 @@
1791 1791  * Package Size / pcs : 14.5 x 8 x 5 cm
1792 1792  * Weight / pcs : 170g
1793 1793  
1794 -= 10. FCC Caution for RS485LN-US915 =
1206 +1. Support
1795 1795  
1208 +* 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.
1209 +* 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
1796 1796  
1797 -(((
1798 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1799 -)))
1800 -
1801 -(((
1802 -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.
1803 -)))
1804 -
1805 -(((
1806 -
1807 -)))
1808 -
1809 -(((
1810 -(% style="color:red" %)**IMPORTANT NOTE:**
1811 -)))
1812 -
1813 -(((
1814 -(% 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:
1815 -)))
1816 -
1817 -(((
1818 -—Reorient or relocate the receiving antenna.
1819 -)))
1820 -
1821 -(((
1822 -—Increase the separation between the equipment and receiver.
1823 -)))
1824 -
1825 -(((
1826 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1827 -)))
1828 -
1829 -(((
1830 -—Consult the dealer or an experienced radio/TV technician for help.
1831 -)))
1832 -
1833 -(((
1834 -
1835 -)))
1836 -
1837 -(((
1838 -(% style="color:red" %)**FCC Radiation Exposure Statement:**
1839 -)))
1840 -
1841 -(((
1842 -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.
1843 -)))
1844 -
1845 -
1846 -= 11. Support =
1847 -
1848 -
1849 -* (((
1850 -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.
1851 -)))
1852 -* (((
1853 -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]].
1854 -
1855 -
1856 -
1857 -)))
1211 +[[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
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