Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.27 >
edited by Xiaoling
on 2022/06/06 09:21
To version < 59.2 >
edited by Xiaoling
on 2022/06/06 14:20
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6 -(% style="background-image:url(http://wiki1.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  
10 -
11 11  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
12 12  
13 13  
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15 15  
16 16  **Table of Contents:**
17 17  
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26 26  
27 -* [[1.Introduction>>doc:null||anchor="H1.Introduction"]]
28 -** [[1.1 What is RS485-LN RS485 to LoRaWAN Converter>>doc:null||anchor="H1.1A0WhatisRS485-LNRS485toLoRaWANConverter"]]
29 -** [[1.2 Specifications>>doc:null||anchor="H1.2A0Specifications"]]
30 -** [[1.3 Features>>doc:null||anchor="H1.3Features"]]
31 -** [[1.4 Applications>>doc:null||anchor="H1.4A0Applications"]]
32 -** [[1.5 Firmware Change log>>doc:null||anchor="H1.5A0FirmwareChangelog"]]
33 -** [[1.6 Hardware Change log>>doc:null||anchor="H1.6HardwareChangelog"]]
34 -* [[2. Power ON Device>>doc:null||anchor="H2.PowerONDevice"]]
35 -* [[3. Operation Mode>>doc:null||anchor="H3.A0OperationMode"]]
36 -** [[3.1 How it works?>>doc:null||anchor="H3.1Howitworks3F"]]
37 -** [[3.2 Example to join LoRaWAN network>>doc:null||anchor="H3.2ExampletojoinLoRaWANnetwork"]]
38 -** [[3.3 Configure Commands to read data>>doc:null||anchor="H3.3ConfigureCommandstoreaddata"]]
39 -*** [[3.3.1 onfigure UART settings for RS485 or TTL communication>>doc:null||anchor="H3.3.1onfigureUARTsettingsforRS485orTTLcommunication"]]
40 -*** [[3.3.2 Configure sensors>>doc:null||anchor="H3.3.2Configuresensors"]]
41 -*** [[3.3.3 Configure read commands for each sampling>>doc:null||anchor="H3.3.3Configurereadcommandsforeachsampling"]]
42 -*** [[3.3.4 Compose the uplink payload>>doc:null||anchor="H3.3.4Composetheuplinkpayload"]]
43 -*** [[3.3.5 Uplink on demand>>doc:null||anchor="H3.3.5Uplinkondemand"]]
44 -*** [[3.3.6 Uplink on Interrupt>>doc:null||anchor="H3.3.6UplinkonInterrupt"]]
45 -** [[3.4 Uplink Payload>>doc:null||anchor="H3.4UplinkPayload"]]
46 -** [[3.5 Configure RS485-BL via AT or Downlink>>doc:null||anchor="H3.5ConfigureRS485-BLviaATorDownlink"]]
47 -*** [[3.5.1 Common Commands>>doc:null||anchor="H3.5.1CommonCommands"]]
48 -*** [[3.5.2 Sensor related commands>>doc:null||anchor="H3.5.2Sensorrelatedcommands"]]
49 -*** [[3.5.3 Sensor related commands>>doc:null||anchor="H3.5.3A0Sensorrelatedcommands"]]
50 -**** [[RS485 Debug Command>>doc:null||anchor="HRS485DebugCommand"]]
51 -**** [[Set Payload version>>doc:null||anchor="HSetPayloadversion"]]
52 -**** [[Set RS485 Sampling Commands>>doc:null||anchor="HSetRS485SamplingCommands"]]
53 -**** [[Fast command to handle MODBUS device>>doc:null||anchor="HFastcommandtohandleMODBUSdevice"]]
54 -**** [[RS485 command timeout>>doc:null||anchor="HRS485commandtimeout"]]
55 -**** [[Uplink payload mode>>doc:null||anchor="HUplinkpayloadmode"]]
56 -**** [[Manually trigger an Uplink>>doc:null||anchor="HManuallytriggeranUplink"]]
57 -**** [[Clear RS485 Command>>doc:null||anchor="HClearRS485Command"]]
58 -**** [[Set Serial Communication Parameters>>doc:null||anchor="HSetSerialCommunicationParameters"]]
59 -** [[3.6 Listening mode for RS485 network>>doc:null||anchor="H3.6A0ListeningmodeforRS485network"]]
60 -** [[3.7 Buttons>>doc:null||anchor="H3.7Buttons"]]
61 -** [[3.8 LEDs>>doc:null||anchor="H3.8LEDs"]]
62 -* [[4. Case Study>>doc:null||anchor="H4.CaseStudy"]]
63 -* [[5. Use AT Command>>doc:null||anchor="H5.UseATCommand"]]
64 -** [[5.1 Access AT Command>>doc:null||anchor="H5.1AccessATCommand"]]
65 -** [[5.2 Common AT Command Sequence>>doc:null||anchor="H5.2CommonATCommandSequence"]]
66 -*** [[5.2.1 Multi-channel ABP mode (Use with SX1301/LG308)>>doc:null||anchor="H5.2.1Multi-channelABPmode28UsewithSX13012FLG30829"]]
67 -*** [[5.5.2 Single-channel ABP mode (Use with LG01/LG02)>>doc:null||anchor="H5.5.2Single-channelABPmode28UsewithLG012FLG0229"]]
68 -* [[6. FAQ>>doc:null||anchor="H6.FAQ"]]
69 -** [[6.1 How to upgrade the image?>>doc:null||anchor="H6.1Howtoupgradetheimage3F"]]
70 -** [[6.2 How to change the LoRa Frequency Bands/Region?>>doc:null||anchor="H6.2HowtochangetheLoRaFrequencyBands2FRegion3F"]]
71 -** [[6.3 How many RS485-Slave can RS485-BL connects?>>doc:null||anchor="H6.3HowmanyRS485-SlavecanRS485-BLconnects3F"]]
72 -** [[6.4 Compatible question to ChirpStack and TTI LoRaWAN server ?>>doc:null||anchor="H6.4CompatiblequestiontoChirpStackandTTILoRaWANserver3F"]]
73 -* [[7. Trouble Shooting>>doc:null||anchor="H7.TroubleShooting"]]
74 -** [[7.1 Downlink doesn’t work, how to solve it?>>doc:null||anchor="H7.1Downlinkdoesn2019twork2Chowtosolveit3F"]]
75 -** [[7.2 Why I can’t join TTN V3 in US915 /AU915 bands?>>doc:null||anchor="H7.2WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F"]]
76 -* [[8. Order Info>>doc:null||anchor="H8.OrderInfo"]]
77 -* [[9.Packing Info>>doc:null||anchor="H9.PackingInfo"]]
78 -* [[10. FCC Caution for RS485LN-US915>>doc:null||anchor="H10.FCCCautionforRS485LN-US915"]]
79 -* [[11. Support>>doc:null||anchor="H11.Support"]]
80 -)))
81 81  
82 -(% style="background-image:url(http://wiki1.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"]]
83 -)))
84 84  
85 85  
86 86  
87 87  
88 88  
89 -
90 -
91 91  = 1.Introduction =
92 92  
93 93  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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94 94  
95 95  (((
96 96  (((
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97 97  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.
98 98  )))
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99 99  
100 100  (((
33 +(((
101 101  RS485-LN allows user to (% style="color:blue" %)**monitor / control RS485 devices**(%%) and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
102 102  )))
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103 103  
104 104  (((
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105 105  (% style="color:blue" %)**For data uplink**(%%), RS485-LN sends user-defined commands to RS485 devices and gets the return from the RS485 devices. RS485-LN will process these returns according to user-define rules to get the final payload and upload to LoRaWAN server.
106 106  )))
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107 107  
108 108  (((
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109 109  (% 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.
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110 110  
49 +(((
111 111  (% 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]]
112 112  )))
113 113  )))
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114 114  
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116 116  
117 117  
118 118  == 1.2 Specifications ==
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152 152  * Automatic RF Sense and CAD with ultra-fast AFC.
153 153  * Packet engine up to 256 bytes with CRC
154 154  
95 +
96 +
155 155  == 1.3 Features ==
156 156  
157 157  * LoRaWAN Class A & Class C protocol (default Class C)
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181 181  
182 182  (((
183 183  (((
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184 184  v1.2: Add External Interrupt Pin.
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185 185  
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186 186  v1.0: Release
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187 187  
188 188  
189 189  )))
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201 201  Once there is power, the RS485-LN will be on.
202 202  )))
203 203  
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205 205  
206 206  
207 207  )))
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211 211  == 3.1 How it works? ==
212 212  
213 213  (((
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214 214  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.
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215 215  
216 216  
217 217  )))
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220 220  
221 221  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. 
222 222  
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224 224  
225 225  
226 226  (((
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232 232  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
233 233  )))
234 234  
235 -(% 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://wiki1.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" %)​
183 +[[image:1653268227651-549.png||height="592" width="720"]]
236 236  
237 237  (((
238 238  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:
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247 247  )))
248 248  )))
249 249  
250 -(% 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://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
198 +[[image:1652953462722-299.png]]
251 251  
252 252  (((
253 253  (((
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259 259  )))
260 260  )))
261 261  
262 -(% 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://wiki1.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" %)​
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263 263  
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266 -(% 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://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
214 +[[image:image-20220519174512-3.png||height="556" width="724"]]
267 267  
268 -(% 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://wiki1.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" %)​
216 +[[image:image-20220519174512-4.png]]
269 269  
270 270  You can also choose to create the device manually.
271 271  
272 -(% 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://wiki1.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" %)​
220 +[[image:1652953542269-423.png||height="710" width="723"]]
273 273  
274 274  Add APP KEY and DEV EUI
275 275  
276 -(% 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://wiki1.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" %)​
224 +[[image:1652953553383-907.png||height="514" width="724"]]
277 277  
278 278  
279 279  (((
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280 280  **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.
281 281  )))
282 282  
283 -(% 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://wiki1.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" %)​
231 +[[image:1652953568895-172.png||height="232" width="724"]]
284 284  
285 285  
286 286  == 3.3 Configure Commands to read data ==
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287 287  
288 288  (((
289 289  (((
238 +(((
290 290  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-BLviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
291 291  )))
241 +)))
292 292  
293 293  (((
244 +(((
294 294  (% 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
246 +)))
295 295  
296 296  
297 297  )))
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301 301  
302 302  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:
303 303  
304 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
305 -|(% style="width:128px" %)(((
256 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
257 +|=(% style="width: 110px;" %)(((
306 306  **AT Commands**
307 -)))|(% style="width:305px" %)(((
259 +)))|=(% style="width: 190px;" %)(((
308 308  **Description**
309 -)))|(% style="width:346px" %)(((
261 +)))|=(% style="width: 190px;" %)(((
310 310  **Example**
311 311  )))
312 -|(% style="width:128px" %)(((
264 +|(% style="width:110px" %)(((
313 313  AT+BAUDR
314 -)))|(% style="width:305px" %)(((
266 +)))|(% style="width:190px" %)(((
315 315  Set the baud rate (for RS485 connection). Default Value is: 9600.
316 -)))|(% style="width:346px" %)(((
268 +)))|(% style="width:190px" %)(((
317 317  (((
318 318  AT+BAUDR=9600
319 319  )))
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322 322  Options: (1200,2400,4800,14400,19200,115200)
323 323  )))
324 324  )))
325 -|(% style="width:128px" %)(((
277 +|(% style="width:110px" %)(((
326 326  AT+PARITY
327 -)))|(% style="width:305px" %)(((
279 +)))|(% style="width:190px" %)(((
328 328  Set UART parity (for RS485 connection)
329 -)))|(% style="width:346px" %)(((
281 +)))|(% style="width:190px" %)(((
330 330  (((
331 331  AT+PARITY=0
332 332  )))
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335 335  Option: 0: no parity, 1: odd parity, 2: even parity
336 336  )))
337 337  )))
338 -|(% style="width:128px" %)(((
290 +|(% style="width:110px" %)(((
339 339  AT+STOPBIT
340 -)))|(% style="width:305px" %)(((
292 +)))|(% style="width:190px" %)(((
341 341  (((
342 342  Set serial stopbit (for RS485 connection)
343 343  )))
... ... @@ -345,7 +345,7 @@
345 345  (((
346 346  
347 347  )))
348 -)))|(% style="width:346px" %)(((
300 +)))|(% style="width:190px" %)(((
349 349  (((
350 350  AT+STOPBIT=0 for 1bit
351 351  )))
... ... @@ -367,15 +367,21 @@
367 367  )))
368 368  )))
369 369  
370 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
371 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
372 -|AT+CFGDEV|(% style="width:418px" %)(((
322 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
323 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
324 +|AT+CFGDEV|(% style="width:110px" %)(((
325 +(((
373 373  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
327 +)))
374 374  
329 +(((
375 375  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
331 +)))
376 376  
333 +(((
377 377  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
378 -)))|(% style="width:256px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
335 +)))
336 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
379 379  
380 380  === 3.3.3 Configure read commands for each sampling ===
381 381  
... ... @@ -422,8 +422,8 @@
422 422  
423 423  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
424 424  
425 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
426 -|(% style="width:722px" %)(((
383 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
384 +|(% style="width:510px" %)(((
427 427  **AT+DATACUTx=a,b,c**
428 428  
429 429  * **a: length for the return of AT+COMMAND**
... ... @@ -435,17 +435,17 @@
435 435  
436 436  * Grab bytes:
437 437  
438 -(% 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://wiki1.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" %)​
396 +[[image:image-20220602153621-1.png]]
439 439  
440 440  
441 441  * Grab a section.
442 442  
443 -(% 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://wiki1.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" %)​
401 +[[image:image-20220602153621-2.png]]
444 444  
445 445  
446 446  * Grab different sections.
447 447  
448 -(% 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://wiki1.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" %)​
406 +[[image:image-20220602153621-3.png]]
449 449  
450 450  
451 451  )))
... ... @@ -480,7 +480,7 @@
480 480  Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
481 481  )))
482 482  
483 -(% aria-label="1653269759169-150.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653269759169-150.png||data-widget="image" height="513" width="716"]](% style="background-image:url(http://wiki1.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" %)​
441 +[[image:1653269759169-150.png||height="513" width="716"]]
484 484  
485 485  
486 486  (% style="color:#037691" %)**Examples: AT+DATAUP=1**
... ... @@ -498,7 +498,7 @@
498 498  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
499 499  1. DATA: Valid value: max 8 bytes for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 8 bytes
500 500  
501 -(% 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://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
459 +[[image:image-20220602155039-4.png]]
502 502  
503 503  
504 504  So totally there will be 3 uplinks for this sampling, each uplink include 8 bytes DATA
... ... @@ -523,7 +523,7 @@
523 523  
524 524  Below are the uplink payloads:
525 525  
526 -(% 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://wiki1.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" %)​
484 +[[image:1654157178836-407.png]]
527 527  
528 528  
529 529  === 3.3.5 Uplink on demand ===
... ... @@ -542,7 +542,7 @@
542 542  
543 543  RS485-LN support external Interrupt uplink since hardware v1.2 release.
544 544  
545 -(% 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://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
503 +[[image:1654157342174-798.png]]
546 546  
547 547  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.
548 548  
... ... @@ -549,33 +549,35 @@
549 549  
550 550  == 3.4 Uplink Payload ==
551 551  
552 -(% border="1" style="background-color:#4bacc6; color:white; width:734px" %)
553 -|**Size(bytes)**|(% style="width:120px" %)**2**|(% style="width:116px" %)**1**|(% style="width:386px" %)**Length depends on the return from the commands**
554 -|Value|(% style="width:120px" %)(((
555 -Battery(mV)
556 556  
557 -&
511 +[[image:image-20220606110929-1.png]]
558 558  
559 -Interrupt _Flag
560 -)))|(% style="width:116px" %)(((
561 -PAYLOAD_VER
562 -
563 -
564 -)))|(% style="width:386px" %)If the valid payload is too long and exceed the maximum support payload length in server, server will show payload not provided in the LoRaWAN server.
565 -
566 566  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
567 567  
568 568  
569 569  == 3.5 Configure RS485-BL via AT or Downlink ==
570 570  
518 +(((
571 571  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
520 +)))
572 572  
522 +(((
573 573  There are two kinds of Commands:
524 +)))
574 574  
575 -* (% 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]]
526 +* (((
527 +(% 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]]
528 +)))
576 576  
577 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
530 +* (((
531 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
532 +)))
578 578  
534 +(((
535 +
536 +)))
537 +
538 +
579 579  === 3.5.1 Common Commands ===
580 580  
581 581  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]]
... ... @@ -585,7 +585,7 @@
585 585  
586 586  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.
587 587  
588 -(% 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"]](% style="background-image:url(http://wiki1.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" %)​
548 +[[image:image-20220602163333-5.png||height="263" width="1160"]]
589 589  
590 590  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)
591 591  
... ... @@ -594,345 +594,657 @@
594 594  
595 595  
596 596  
557 +
597 597  ==== **RS485 Debug Command** ====
598 598  
560 +(((
599 599  This command is used to configure the RS485 devices; they won’t be used during sampling.
562 +)))
600 600  
601 -* **AT Command**
564 +* (((
565 +**AT Command**
566 +)))
602 602  
603 603  (% class="box infomessage" %)
604 604  (((
570 +(((
605 605  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
606 606  )))
573 +)))
607 607  
575 +(((
608 608  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
577 +)))
609 609  
610 -* **Downlink Payload**
579 +* (((
580 +**Downlink Payload**
581 +)))
611 611  
583 +(((
612 612  Format: A8 MM NN XX XX XX XX YY
585 +)))
613 613  
587 +(((
614 614  Where:
589 +)))
615 615  
616 -* MM: 1: add CRC-16/MODBUS ; 0: no CRC
617 -* NN: The length of RS485 command
618 -* XX XX XX XX: RS485 command total NN bytes
619 -* YY: How many bytes will be uplink from the return of this RS485 command,
620 -** if YY=0, RS485-LN will execute the downlink command without uplink;
621 -** if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
622 -** if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
591 +* (((
592 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
593 +)))
594 +* (((
595 +NN: The length of RS485 command
596 +)))
597 +* (((
598 +XX XX XX XX: RS485 command total NN bytes
599 +)))
600 +* (((
601 +(((
602 +YY: How many bytes will be uplink from the return of this RS485 command,
603 +)))
623 623  
605 +* (((
606 +if YY=0, RS485-LN will execute the downlink command without uplink;
607 +)))
608 +* (((
609 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
610 +)))
611 +* (((
612 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
613 +)))
614 +)))
615 +
616 +(((
624 624  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
618 +)))
625 625  
620 +(((
626 626  To connect a Modbus Alarm with below commands.
622 +)))
627 627  
628 -* 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.
624 +* (((
625 +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.
626 +)))
629 629  
630 -* 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.
628 +* (((
629 +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.
630 +)))
631 631  
632 +(((
632 632  So if user want to use downlink command to control to RS485 Alarm, he can use:
634 +)))
633 633  
636 +(((
634 634  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
638 +)))
635 635  
640 +(((
636 636  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
642 +)))
637 637  
644 +(((
638 638  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.
646 +)))
639 639  
648 +(((
649 +
650 +)))
640 640  
652 +(((
641 641  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
654 +)))
642 642  
656 +(((
643 643  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
658 +)))
644 644  
660 +(((
661 +
662 +)))
645 645  
664 +(((
646 646  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:
666 +)))
647 647  
668 +(((
648 648   **A8** (% style="color:#4f81bd" %)**0A 08 00 04 00  **(% style="color:red" %)**01 06** ** **(% style="color:green" %)**0A 08 00 04 00 00**
670 +)))
649 649  
650 - (% aria-label="1654159460680-153.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654159460680-153.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
672 +(((
673 + [[image:1654159460680-153.png]]
674 +)))
651 651  
652 652  
653 653  
678 +
654 654  ==== **Set Payload version** ====
655 655  
681 +(((
656 656  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.
683 +)))
657 657  
658 -* **AT Command:**
685 +* (((
686 +**AT Command:**
687 +)))
659 659  
660 660  (% class="box infomessage" %)
661 661  (((
691 +(((
662 662  **AT+PAYVER: Set PAYVER field = 1**
663 663  )))
694 +)))
664 664  
665 -* **Downlink Payload:**
696 +* (((
697 +**Downlink Payload:**
698 +)))
666 666  
700 +(((
667 667  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
702 +)))
668 668  
704 +(((
669 669  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
706 +)))
670 670  
671 671  
672 672  
710 +
673 673  ==== **Set RS485 Sampling Commands** ====
674 674  
713 +(((
675 675  AT+COMMANDx or AT+DATACUTx
715 +)))
676 676  
717 +(((
677 677  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"]].
719 +)))
678 678  
721 +(((
722 +
723 +)))
679 679  
680 -* **AT Command:**
725 +* (((
726 +**AT Command:**
727 +)))
681 681  
682 682  (% class="box infomessage" %)
683 683  (((
731 +(((
684 684  **AT+COMMANDx: Configure RS485 read command to sensor.**
685 685  )))
734 +)))
686 686  
687 687  (% class="box infomessage" %)
688 688  (((
738 +(((
689 689  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
690 690  )))
741 +)))
691 691  
743 +(((
744 +
745 +)))
692 692  
693 -* **Downlink Payload:**
747 +* (((
748 +**Downlink Payload:**
749 +)))
694 694  
751 +(((
695 695  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
753 +)))
696 696  
755 +(((
697 697  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
757 +)))
698 698  
759 +(((
699 699  Format: AF MM NN LL XX XX XX XX YY
761 +)))
700 700  
763 +(((
701 701  Where:
765 +)))
702 702  
703 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
704 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
705 -* LL:  The length of AT+COMMAND or AT+DATACUT command
706 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
707 -* YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
767 +* (((
768 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
769 +)))
770 +* (((
771 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
772 +)))
773 +* (((
774 +LL:  The length of AT+COMMAND or AT+DATACUT command
775 +)))
776 +* (((
777 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
778 +)))
779 +* (((
780 +YY:  If YY=0, RS485-BL will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
781 +)))
708 708  
783 +(((
709 709  **Example:**
785 +)))
710 710  
787 +(((
711 711  (% 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
789 +)))
712 712  
791 +(((
713 713  (% 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**
793 +)))
714 714  
795 +(((
715 715  (% 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**
797 +)))
716 716  
717 717  
718 718  
801 +
719 719  ==== **Fast command to handle MODBUS device** ====
720 720  
804 +(((
721 721  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]].
806 +)))
722 722  
808 +(((
723 723  This command is valid since v1.3 firmware version
810 +)))
724 724  
812 +(((
725 725  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.
814 +)))
726 726  
816 +(((
817 +
818 +)))
727 727  
820 +(((
728 728  **Example:**
822 +)))
729 729  
730 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
731 -* 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.
732 -* 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.
824 +* (((
825 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
826 +)))
827 +* (((
828 +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.
829 +)))
830 +* (((
831 +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.
832 +)))
733 733  
734 -(% aria-label="image-20220602165351-6.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-6.png||data-widget="image"]](% style="background-image:url(http://wiki1.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" %)​
834 +[[image:image-20220602165351-6.png]]
735 735  
736 -(% aria-label="image-20220602165351-7.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602165351-7.png||data-widget="image"]](% style="background-image:url(http://wiki1.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" %)​
836 +[[image:image-20220602165351-7.png]]
737 737  
738 738  
739 739  
840 +
740 740  ==== **RS485 command timeout** ====
741 741  
843 +(((
742 742  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.
845 +)))
743 743  
847 +(((
744 744  Default value: 0, range:  0 ~~ 65 seconds
849 +)))
745 745  
746 -* **AT Command:**
851 +* (((
852 +**AT Command:**
853 +)))
747 747  
748 748  (% class="box infomessage" %)
749 749  (((
857 +(((
750 750  **AT+CMDDLaa=hex(bb cc)*1000**
751 751  )))
860 +)))
752 752  
862 +(((
753 753  **Example:**
864 +)))
754 754  
866 +(((
755 755  **AT+CMDDL1=1000** to send the open time to 1000ms
868 +)))
756 756  
870 +(((
871 +
872 +)))
757 757  
758 -* **Downlink Payload:**
874 +* (((
875 +**Downlink Payload:**
876 +)))
759 759  
878 +(((
760 760  **0x AA aa bb cc**
880 +)))
761 761  
882 +(((
762 762  Same as: AT+CMDDLaa=hex(bb cc)*1000
884 +)))
763 763  
886 +(((
764 764   **Example:**
888 +)))
765 765  
890 +(((
766 766   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
892 +)))
767 767  
768 768  
769 769  
896 +
770 770  ==== **Uplink payload mode** ====
771 771  
899 +(((
772 772  Define to use one uplink or multiple uplinks for the sampling.
901 +)))
773 773  
903 +(((
774 774  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
905 +)))
775 775  
776 -* **AT Command:**
907 +* (((
908 +**AT Command:**
909 +)))
777 777  
778 778  (% class="box infomessage" %)
779 779  (((
913 +(((
780 780  **AT+DATAUP=0**
781 781  )))
916 +)))
782 782  
783 783  (% class="box infomessage" %)
784 784  (((
920 +(((
785 785  **AT+DATAUP=1**
786 786  )))
923 +)))
787 787  
925 +(((
926 +
927 +)))
788 788  
789 -* **Downlink Payload:**
929 +* (((
930 +**Downlink Payload:**
931 +)))
790 790  
933 +(((
791 791  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
935 +)))
792 792  
937 +(((
793 793  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
939 +)))
794 794  
795 795  
796 796  
943 +
797 797  ==== **Manually trigger an Uplink** ====
798 798  
946 +(((
799 799  Ask device to send an uplink immediately.
948 +)))
800 800  
801 -* **AT Command:**
950 +* (((
951 +**AT Command:**
952 +)))
802 802  
954 +(((
803 803  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
956 +)))
804 804  
958 +(((
959 +
960 +)))
805 805  
806 -* **Downlink Payload:**
962 +* (((
963 +**Downlink Payload:**
964 +)))
807 807  
966 +(((
808 808  **0x08 FF**, RS485-LN will immediately send an uplink.
968 +)))
809 809  
810 810  
811 811  
972 +
812 812  ==== **Clear RS485 Command** ====
813 813  
975 +(((
814 814  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
977 +)))
815 815  
816 -* **AT Command:**
979 +* (((
980 +**AT Command:**
981 +)))
817 817  
983 +(((
818 818  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
985 +)))
819 819  
987 +(((
820 820  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
989 +)))
821 821  
991 +(((
822 822  Example screen shot after clear all RS485 commands. 
993 +)))
823 823  
995 +(((
996 +
997 +)))
824 824  
999 +(((
825 825  The uplink screen shot is:
1001 +)))
826 826  
827 -(% aria-label="1654160691922-496.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654160691922-496.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
1003 +[[image:1654160691922-496.png]]
828 828  
829 829  
830 -* **Downlink Payload:**
1006 +* (((
1007 +**Downlink Payload:**
1008 +)))
831 831  
1010 +(((
832 832  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1012 +)))
833 833  
834 834  
835 835  
1016 +
836 836  ==== **Set Serial Communication Parameters** ====
837 837  
1019 +(((
838 838  Set the Rs485 serial communication parameters:
1021 +)))
839 839  
840 -* **AT Command:**
1023 +* (((
1024 +**AT Command:**
1025 +)))
841 841  
1027 +(((
842 842  Set Baud Rate:
1029 +)))
843 843  
844 844  (% class="box infomessage" %)
845 845  (((
1033 +(((
846 846  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
847 847  )))
1036 +)))
848 848  
1038 +(((
849 849  Set UART Parity
1040 +)))
850 850  
851 851  (% class="box infomessage" %)
852 852  (((
1044 +(((
853 853  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
854 854  )))
1047 +)))
855 855  
1049 +(((
856 856  Set STOPBIT
1051 +)))
857 857  
858 858  (% class="box infomessage" %)
859 859  (((
1055 +(((
860 860  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
861 861  )))
1058 +)))
862 862  
1060 +(((
1061 +
1062 +)))
863 863  
864 -* **Downlink Payload:**
1064 +* (((
1065 +**Downlink Payload:**
1066 +)))
865 865  
1068 +(((
866 866  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1070 +)))
867 867  
1072 +(((
868 868  **Example:**
1074 +)))
869 869  
870 -* A7 01 00 60   same as AT+BAUDR=9600
871 -* A7 01 04 80  same as AT+BAUDR=115200
1076 +* (((
1077 +A7 01 00 60   same as AT+BAUDR=9600
1078 +)))
1079 +* (((
1080 +A7 01 04 80  same as AT+BAUDR=115200
1081 +)))
872 872  
1083 +(((
873 873  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1085 +)))
874 874  
1087 +(((
875 875  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1089 +)))
876 876  
877 877  
1092 +
1093 +
878 878  == 3.6 Listening mode for RS485 network ==
879 879  
1096 +(((
880 880  This feature support since firmware v1.4
1098 +)))
881 881  
1100 +(((
882 882  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.
1102 +)))
883 883  
884 -(% 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:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
1104 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
885 885  
1106 +(((
886 886  To enable the listening mode, use can run the command AT+RXMODE.
1108 +)))
887 887  
1110 +(((
1111 +
1112 +)))
888 888  
889 -(% border="1" style="background-color:#ffffcc; width:500px" %)
890 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
891 -|(% style="width:161px" %)AT+RXMODE=1,10 |(% style="width:337px" %)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.
892 -|(% style="width:161px" %)AT+RXMODE=2,500|(% style="width:337px" %)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
893 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
894 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1114 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1115 +|=(% style="width: 100px;" %)(((
1116 +**Command example**
1117 +)))|=(% style="width: 400px;" %)(((
1118 +**Function**
1119 +)))
1120 +|(% style="width:100px" %)(((
1121 +AT+RXMODE=1,10
1122 +)))|(% style="width:400px" %)(((
1123 +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.
1124 +)))
1125 +|(% style="width:100px" %)(((
1126 +AT+RXMODE=2,500
1127 +)))|(% style="width:400px" %)(((
1128 +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
1129 +)))
1130 +|(% style="width:100px" %)(((
1131 +AT+RXMODE=0,0
1132 +)))|(% style="width:400px" %)(((
1133 +Disable listening mode. This is the default settings.
1134 +)))
1135 +|(% style="width:100px" %)(((
1136 +
1137 +)))|(% style="width:400px" %)(((
1138 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1139 +)))
895 895  
1141 +(((
896 896  **Downlink Command:**
1143 +)))
897 897  
1145 +(((
898 898  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1147 +)))
899 899  
1149 +(((
1150 +
1151 +)))
900 900  
1153 +(((
901 901  **Example**:
1155 +)))
902 902  
1157 +(((
903 903  The RS485-LN is set to AT+RXMODE=2,1000
1159 +)))
904 904  
1161 +(((
905 905  There is a two Modbus commands in the RS485 network as below:
1163 +)))
906 906  
1165 +(((
907 907  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1167 +)))
908 908  
1169 +(((
909 909  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1171 +)))
910 910  
1173 +(((
911 911  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
1175 +)))
912 912  
913 -(% aria-label="image-20220602171200-9.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220602171200-9.png||data-widget="image"]](% style="background:url(~"http://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png~") rgba(220, 220, 220, 0.5); left:0px; top:-15px" %)[[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" %)​
1177 +(((
1178 +[[image:image-20220602171200-9.png]]
1179 +)))
914 914  
1181 +(((
1182 +
1183 +)))
915 915  
1185 +(((
1186 +(((
916 916  (% 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.
1188 +)))
1189 +)))
917 917  
918 918  
919 919  == 3.7 Buttons ==
920 920  
921 921  
922 -(% border="1" style="background-color:#f7faff; width:500px" %)
923 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
924 -|**ACT**|(% style="width:1420px" %)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**
925 -|**RST**|(% style="width:1420px" %)Reboot RS485
926 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
1195 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:400px" %)
1196 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 350px;" %)**Feature**
1197 +|(% style="width:50px" %)**ACT**|(% style="width:350px" %)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**
1198 +|(% style="width:50px" %)**RST**|(% style="width:350px" %)Reboot RS485
1199 +|(% style="width:50px" %)**PRO**|(% style="width:350px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
927 927  
928 -
929 -
930 930  == 3.8 LEDs ==
931 931  
932 -(% border="1" style="background-color:#f7faff; width:500px" %)
933 -|=**LEDs**|=**Feature**
1203 +
1204 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1205 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
934 934  |**PWR**|Always on if there is power
935 -|**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.
1207 +|**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.
936 936  
937 937  = 4. Case Study =
938 938  
... ... @@ -943,19 +943,26 @@
943 943  
944 944  == 5.1 Access AT Command ==
945 945  
1218 +(((
946 946  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.
1220 +)))
947 947  
948 -(% 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://wiki1.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
1222 +[[image:1654162355560-817.png]]
949 949  
950 950  
1225 +(((
951 951  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-BL. The default password is 123456. Below is the output for reference:
1227 +)))
952 952  
953 -(% 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://wiki1.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" %)​
1229 +[[image:1654162368066-342.png]]
954 954  
955 955  
956 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
1232 +(((
1233 +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/]]
1234 +)))
957 957  
958 958  
1237 +
959 959  == 5.2 Common AT Command Sequence ==
960 960  
961 961  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -978,7 +978,9 @@
978 978  )))
979 979  
980 980  
1260 +(((
981 981  If device already joined network:
1262 +)))
982 982  
983 983  (% class="box infomessage" %)
984 984  (((
... ... @@ -1017,12 +1017,14 @@
1017 1017  
1018 1018  (% style="color:red" %)**Note:**
1019 1019  
1301 +(((
1020 1020  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1021 1021  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1022 1022  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.
1023 1023  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
1306 +)))
1024 1024  
1025 -(% 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://wiki1.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" %)​
1308 +[[image:1654162478620-421.png]]
1026 1026  
1027 1027  
1028 1028  = 6. FAQ =
... ... @@ -1029,37 +1029,59 @@
1029 1029  
1030 1030  == 6.1 How to upgrade the image? ==
1031 1031  
1315 +(((
1032 1032  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1317 +)))
1033 1033  
1034 -* Support new features
1035 -* For bug fix
1036 -* Change LoRaWAN bands.
1319 +* (((
1320 +Support new features
1321 +)))
1322 +* (((
1323 +For bug fix
1324 +)))
1325 +* (((
1326 +Change LoRaWAN bands.
1327 +)))
1037 1037  
1329 +(((
1038 1038  Below shows the hardware connection for how to upload an image to RS485-LN:
1331 +)))
1039 1039  
1040 -(% 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://wiki1.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" %)​
1333 +[[image:1654162535040-878.png]]
1041 1041  
1335 +(((
1042 1042  **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]].
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1043 1043  
1339 +(((
1044 1044  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1341 +)))
1045 1045  
1343 +(((
1046 1046  **Step3: **Open flashloader; choose the correct COM port to update.
1345 +)))
1047 1047  
1347 +(((
1348 +(((
1349 +(((
1048 1048  (% 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.
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1353 +)))
1049 1049  
1050 1050  
1051 -(% 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://wiki1.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" %)​
1356 +[[image:image-20220602175818-12.png]]
1052 1052  
1053 1053  
1054 -(% 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://wiki1.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" %)​
1359 +[[image:image-20220602175848-13.png]]
1055 1055  
1056 1056  
1057 -(% 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://wiki1.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" %)​
1362 +[[image:image-20220602175912-14.png]]
1058 1058  
1059 1059  
1060 1060  **Notice**: In case user has lost the program cable. User can hand made one from a 3.5mm cable. The pin mapping is:
1061 1061  
1062 -(% 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://wiki1.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" %)​
1367 +[[image:image-20220602175638-10.png]]
1063 1063  
1064 1064  
1065 1065  == 6.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1126,30 +1126,60 @@
1126 1126  
1127 1127  = 10. FCC Caution for RS485LN-US915 =
1128 1128  
1434 +(((
1129 1129  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1436 +)))
1130 1130  
1438 +(((
1131 1131  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.
1440 +)))
1132 1132  
1442 +(((
1443 +
1444 +)))
1133 1133  
1446 +(((
1134 1134  **IMPORTANT NOTE:**
1448 +)))
1135 1135  
1450 +(((
1136 1136  **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:
1452 +)))
1137 1137  
1454 +(((
1138 1138  —Reorient or relocate the receiving antenna.
1456 +)))
1139 1139  
1458 +(((
1140 1140  —Increase the separation between the equipment and receiver.
1460 +)))
1141 1141  
1462 +(((
1142 1142  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1464 +)))
1143 1143  
1466 +(((
1144 1144  —Consult the dealer or an experienced radio/TV technician for help.
1468 +)))
1145 1145  
1470 +(((
1471 +
1472 +)))
1146 1146  
1474 +(((
1147 1147  **FCC Radiation Exposure Statement:**
1476 +)))
1148 1148  
1478 +(((
1149 1149  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.
1480 +)))
1150 1150  
1151 1151  
1152 1152  = 11. Support =
1153 1153  
1154 -* 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.
1155 -* 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]].
1485 +* (((
1486 +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.
1487 +)))
1488 +* (((
1489 +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]].
1490 +)))
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