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 < 58.25 >
edited by Xiaoling
on 2022/06/06 11:27
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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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24 -macro:toc
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13 +{{toc/}}
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  (((
27 +(((
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.
47 +)))
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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163 163  * Support Modbus protocol
164 164  * Support Interrupt uplink (Since hardware version v1.2)
165 165  
106 +
166 166  == 1.4 Applications ==
167 167  
168 168  * Smart Buildings & Home Automation
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172 172  * Smart Cities
173 173  * Smart Factory
174 174  
116 +
175 175  == 1.5 Firmware Change log ==
176 176  
177 177  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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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  
130 +(((
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  
204 -(% 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://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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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.
162 +)))
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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171 +[[image:1653268155545-638.png||height="334" width="724"]]
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" %)​
210 +[[image:image-20220519174512-1.png]]
263 263  
264 -(% 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://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" %)​
212 +[[image:image-20220519174512-2.png||height="323" width="720"]]
265 265  
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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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" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
306 306  **AT Commands**
307 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
308 308  **Description**
309 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
310 310  **Example**
311 311  )))
312 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
313 313  AT+BAUDR
314 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
315 315  Set the baud rate (for RS485 connection). Default Value is: 9600.
316 -)))|(% style="width:346px" %)(((
264 +)))|(% 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" %)(((
273 +|(% style="width:110px" %)(((
326 326  AT+PARITY
327 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
328 328  Set UART parity (for RS485 connection)
329 -)))|(% style="width:346px" %)(((
277 +)))|(% 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" %)(((
286 +|(% style="width:110px" %)(((
339 339  AT+STOPBIT
340 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
341 341  (((
342 342  Set serial stopbit (for RS485 connection)
343 343  )))
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345 345  (((
346 346  
347 347  )))
348 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
349 349  (((
350 350  AT+STOPBIT=0 for 1bit
351 351  )))
... ... @@ -359,6 +359,8 @@
359 359  )))
360 360  )))
361 361  
310 +
311 +
362 362  === 3.3.2 Configure sensors ===
363 363  
364 364  (((
... ... @@ -367,16 +367,18 @@
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" %)(((
320 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 +|=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 +|AT+CFGDEV|(% style="width:110px" %)(((
373 373  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
374 374  
375 375  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
376 376  
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
328 +)))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
379 379  
330 +
331 +
380 380  === 3.3.3 Configure read commands for each sampling ===
381 381  
382 382  (((
... ... @@ -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" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% 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" %)​
390 +[[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" %)​
395 +[[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" %)​
400 +[[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" %)​
435 +[[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" %)​
453 +[[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" %)​
478 +[[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" %)​
497 +[[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 -&
505 +[[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  
512 +(((
571 571  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
514 +)))
572 572  
516 +(((
573 573  There are two kinds of Commands:
518 +)))
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]]
520 +* (((
521 +(% 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]]
522 +)))
576 576  
577 -* (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
524 +* (((
525 +(% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
526 +)))
578 578  
528 +(((
529 +
530 +)))
531 +
532 +
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" %)​
542 +[[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  
... ... @@ -594,346 +594,659 @@
594 594  
595 595  
596 596  
551 +
597 597  ==== **RS485 Debug Command** ====
598 598  
554 +(((
599 599  This command is used to configure the RS485 devices; they won’t be used during sampling.
556 +)))
600 600  
601 -* **AT Command**
558 +* (((
559 +**AT Command**
560 +)))
602 602  
603 603  (% class="box infomessage" %)
604 604  (((
564 +(((
605 605  **AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m**
606 606  )))
567 +)))
607 607  
569 +(((
608 608  m: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
571 +)))
609 609  
610 -* **Downlink Payload**
573 +* (((
574 +**Downlink Payload**
575 +)))
611 611  
577 +(((
612 612  Format: A8 MM NN XX XX XX XX YY
579 +)))
613 613  
581 +(((
614 614  Where:
583 +)))
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.
585 +* (((
586 +MM: 1: add CRC-16/MODBUS ; 0: no CRC
587 +)))
588 +* (((
589 +NN: The length of RS485 command
590 +)))
591 +* (((
592 +XX XX XX XX: RS485 command total NN bytes
593 +)))
594 +* (((
595 +(((
596 +YY: How many bytes will be uplink from the return of this RS485 command,
597 +)))
623 623  
599 +* (((
600 +if YY=0, RS485-LN will execute the downlink command without uplink;
601 +)))
602 +* (((
603 +if YY>0, RS485-LN will uplink total YY bytes from the output of this RS485 command; Fport=200
604 +)))
605 +* (((
606 +if YY=FF, RS485-LN will uplink RS485 output with the downlink command content; Fport=200.
607 +)))
608 +)))
609 +
610 +(((
624 624  **Example 1** ~-~-> Configure without ask for uplink (YY=0)
612 +)))
625 625  
614 +(((
626 626  To connect a Modbus Alarm with below commands.
616 +)))
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.
618 +* (((
619 +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.
620 +)))
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.
622 +* (((
623 +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.
624 +)))
631 631  
626 +(((
632 632  So if user want to use downlink command to control to RS485 Alarm, he can use:
628 +)))
633 633  
630 +(((
634 634  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 01 00**(%%): to activate the RS485 Alarm
632 +)))
635 635  
634 +(((
636 636  (% style="color:#4f81bd" %)**A8 01 06 0A 05 00 04 00 00 00**(%%): to deactivate the RS485 Alarm
636 +)))
637 637  
638 +(((
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.
640 +)))
639 639  
642 +(((
643 +
644 +)))
640 640  
646 +(((
641 641  **Example 2** ~-~-> Configure with requesting uplink and original downlink command (**YY=FF**)
648 +)))
642 642  
650 +(((
643 643  User in IoT server send a downlink command: (% style="color:#4f81bd" %)**A8 01 06 0A 08 00 04 00 01 YY**
652 +)))
644 644  
654 +(((
655 +
656 +)))
645 645  
658 +(((
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:
660 +)))
647 647  
662 +(((
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**
664 +)))
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" %)​
666 +(((
667 + [[image:1654159460680-153.png]]
668 +)))
651 651  
652 652  
653 653  
672 +
654 654  ==== **Set Payload version** ====
655 655  
675 +(((
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.
677 +)))
657 657  
658 -* **AT Command:**
679 +* (((
680 +**AT Command:**
681 +)))
659 659  
660 660  (% class="box infomessage" %)
661 661  (((
685 +(((
662 662  **AT+PAYVER: Set PAYVER field = 1**
663 663  )))
688 +)))
664 664  
665 -* **Downlink Payload:**
690 +* (((
691 +**Downlink Payload:**
692 +)))
666 666  
694 +(((
667 667  **0xAE 01**  ~-~-> Set PAYVER field =  0x01
696 +)))
668 668  
698 +(((
669 669  **0xAE 0F**   ~-~-> Set PAYVER field =  0x0F
700 +)))
670 670  
671 671  
672 672  
704 +
673 673  ==== **Set RS485 Sampling Commands** ====
674 674  
707 +(((
675 675  AT+COMMANDx or AT+DATACUTx
709 +)))
676 676  
711 +(((
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"]].
713 +)))
678 678  
715 +(((
716 +
717 +)))
679 679  
680 -* **AT Command:**
719 +* (((
720 +**AT Command:**
721 +)))
681 681  
682 682  (% class="box infomessage" %)
683 683  (((
725 +(((
684 684  **AT+COMMANDx: Configure RS485 read command to sensor.**
685 685  )))
728 +)))
686 686  
687 687  (% class="box infomessage" %)
688 688  (((
732 +(((
689 689  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
690 690  )))
735 +)))
691 691  
737 +(((
738 +
739 +)))
692 692  
693 -* **Downlink Payload:**
741 +* (((
742 +**Downlink Payload:**
743 +)))
694 694  
745 +(((
695 695  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
747 +)))
696 696  
749 +(((
697 697  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
751 +)))
698 698  
753 +(((
699 699  Format: AF MM NN LL XX XX XX XX YY
755 +)))
700 700  
757 +(((
701 701  Where:
759 +)))
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.
761 +* (((
762 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
763 +)))
764 +* (((
765 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
766 +)))
767 +* (((
768 +LL:  The length of AT+COMMAND or AT+DATACUT command
769 +)))
770 +* (((
771 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 +)))
773 +* (((
774 +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.
775 +)))
708 708  
777 +(((
709 709  **Example:**
779 +)))
710 710  
781 +(((
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
783 +)))
712 712  
785 +(((
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**
787 +)))
714 714  
789 +(((
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**
791 +)))
716 716  
717 717  
718 718  
795 +
719 719  ==== **Fast command to handle MODBUS device** ====
720 720  
798 +(((
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]].
800 +)))
722 722  
802 +(((
723 723  This command is valid since v1.3 firmware version
804 +)))
724 724  
806 +(((
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.
808 +)))
726 726  
810 +(((
811 +
812 +)))
727 727  
814 +(((
728 728  **Example:**
816 +)))
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.
818 +* (((
819 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
820 +)))
821 +* (((
822 +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.
823 +)))
824 +* (((
825 +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.
826 +)))
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" %)​
828 +[[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" %)​
830 +[[image:image-20220602165351-7.png]]
737 737  
738 738  
739 739  
834 +
740 740  ==== **RS485 command timeout** ====
741 741  
837 +(((
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.
839 +)))
743 743  
841 +(((
744 744  Default value: 0, range:  0 ~~ 65 seconds
843 +)))
745 745  
746 -* **AT Command:**
845 +* (((
846 +**AT Command:**
847 +)))
747 747  
748 748  (% class="box infomessage" %)
749 749  (((
851 +(((
750 750  **AT+CMDDLaa=hex(bb cc)*1000**
751 751  )))
854 +)))
752 752  
856 +(((
753 753  **Example:**
858 +)))
754 754  
860 +(((
755 755  **AT+CMDDL1=1000** to send the open time to 1000ms
862 +)))
756 756  
864 +(((
865 +
866 +)))
757 757  
758 -* **Downlink Payload:**
868 +* (((
869 +**Downlink Payload:**
870 +)))
759 759  
872 +(((
760 760  **0x AA aa bb cc**
874 +)))
761 761  
876 +(((
762 762  Same as: AT+CMDDLaa=hex(bb cc)*1000
878 +)))
763 763  
880 +(((
764 764   **Example:**
882 +)))
765 765  
884 +(((
766 766   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
886 +)))
767 767  
768 768  
769 769  
890 +
770 770  ==== **Uplink payload mode** ====
771 771  
893 +(((
772 772  Define to use one uplink or multiple uplinks for the sampling.
895 +)))
773 773  
897 +(((
774 774  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
899 +)))
775 775  
776 -* **AT Command:**
901 +* (((
902 +**AT Command:**
903 +)))
777 777  
778 778  (% class="box infomessage" %)
779 779  (((
907 +(((
780 780  **AT+DATAUP=0**
781 781  )))
910 +)))
782 782  
783 783  (% class="box infomessage" %)
784 784  (((
914 +(((
785 785  **AT+DATAUP=1**
786 786  )))
917 +)))
787 787  
919 +(((
920 +
921 +)))
788 788  
789 -* **Downlink Payload:**
923 +* (((
924 +**Downlink Payload:**
925 +)))
790 790  
927 +(((
791 791  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
929 +)))
792 792  
931 +(((
793 793  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
933 +)))
794 794  
795 795  
796 796  
937 +
797 797  ==== **Manually trigger an Uplink** ====
798 798  
940 +(((
799 799  Ask device to send an uplink immediately.
942 +)))
800 800  
801 -* **AT Command:**
944 +* (((
945 +**AT Command:**
946 +)))
802 802  
948 +(((
803 803  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
950 +)))
804 804  
952 +(((
953 +
954 +)))
805 805  
806 -* **Downlink Payload:**
956 +* (((
957 +**Downlink Payload:**
958 +)))
807 807  
960 +(((
808 808  **0x08 FF**, RS485-LN will immediately send an uplink.
962 +)))
809 809  
810 810  
811 811  
966 +
812 812  ==== **Clear RS485 Command** ====
813 813  
969 +(((
814 814  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
971 +)))
815 815  
816 -* **AT Command:**
973 +* (((
974 +**AT Command:**
975 +)))
817 817  
977 +(((
818 818  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
979 +)))
819 819  
981 +(((
820 820  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
983 +)))
821 821  
985 +(((
822 822  Example screen shot after clear all RS485 commands. 
987 +)))
823 823  
989 +(((
990 +
991 +)))
824 824  
993 +(((
825 825  The uplink screen shot is:
995 +)))
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" %)​
997 +[[image:1654160691922-496.png]]
828 828  
829 829  
830 -* **Downlink Payload:**
1000 +* (((
1001 +**Downlink Payload:**
1002 +)))
831 831  
1004 +(((
832 832  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1006 +)))
833 833  
834 834  
835 835  
1010 +
836 836  ==== **Set Serial Communication Parameters** ====
837 837  
1013 +(((
838 838  Set the Rs485 serial communication parameters:
1015 +)))
839 839  
840 -* **AT Command:**
1017 +* (((
1018 +**AT Command:**
1019 +)))
841 841  
1021 +(((
842 842  Set Baud Rate:
1023 +)))
843 843  
844 844  (% class="box infomessage" %)
845 845  (((
1027 +(((
846 846  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
847 847  )))
1030 +)))
848 848  
1032 +(((
849 849  Set UART Parity
1034 +)))
850 850  
851 851  (% class="box infomessage" %)
852 852  (((
1038 +(((
853 853  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
854 854  )))
1041 +)))
855 855  
1043 +(((
856 856  Set STOPBIT
1045 +)))
857 857  
858 858  (% class="box infomessage" %)
859 859  (((
1049 +(((
860 860  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
861 861  )))
1052 +)))
862 862  
1054 +(((
1055 +
1056 +)))
863 863  
864 -* **Downlink Payload:**
1058 +* (((
1059 +**Downlink Payload:**
1060 +)))
865 865  
1062 +(((
866 866  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1064 +)))
867 867  
1066 +(((
868 868  **Example:**
1068 +)))
869 869  
870 -* A7 01 00 60   same as AT+BAUDR=9600
871 -* A7 01 04 80  same as AT+BAUDR=115200
1070 +* (((
1071 +A7 01 00 60   same as AT+BAUDR=9600
1072 +)))
1073 +* (((
1074 +A7 01 04 80  same as AT+BAUDR=115200
1075 +)))
872 872  
1077 +(((
873 873  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1079 +)))
874 874  
1081 +(((
875 875  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1083 +)))
876 876  
877 877  
1086 +
1087 +
878 878  == 3.6 Listening mode for RS485 network ==
879 879  
1090 +(((
880 880  This feature support since firmware v1.4
1092 +)))
881 881  
1094 +(((
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.
1096 +)))
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" %)​
1098 +[[image:image-20220602171200-8.png||height="567" width="1007"]]
885 885  
1100 +(((
886 886  To enable the listening mode, use can run the command AT+RXMODE.
1102 +)))
887 887  
1104 +(((
1105 +
1106 +)))
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)
1108 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1109 +|=(% style="width: 161px;" %)(((
1110 +**Command example:**
1111 +)))|=(% style="width: 337px;" %)(((
1112 +**Function**
1113 +)))
1114 +|(% style="width:161px" %)(((
1115 +AT+RXMODE=1,10
1116 +)))|(% style="width:337px" %)(((
1117 +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.
1118 +)))
1119 +|(% style="width:161px" %)(((
1120 +AT+RXMODE=2,500
1121 +)))|(% style="width:337px" %)(((
1122 +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
1123 +)))
1124 +|(% style="width:161px" %)(((
1125 +AT+RXMODE=0,0
1126 +)))|(% style="width:337px" %)(((
1127 +Disable listening mode. This is the default settings.
1128 +)))
1129 +|(% style="width:161px" %)(((
1130 +
1131 +)))|(% style="width:337px" %)(((
1132 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1133 +)))
895 895  
1135 +(((
896 896  **Downlink Command:**
1137 +)))
897 897  
1139 +(((
898 898  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1141 +)))
899 899  
1143 +(((
1144 +
1145 +)))
900 900  
1147 +(((
901 901  **Example**:
1149 +)))
902 902  
1151 +(((
903 903  The RS485-LN is set to AT+RXMODE=2,1000
1153 +)))
904 904  
1155 +(((
905 905  There is a two Modbus commands in the RS485 network as below:
1157 +)))
906 906  
1159 +(((
907 907  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1161 +)))
908 908  
1163 +(((
909 909  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1165 +)))
910 910  
1167 +(((
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
1169 +)))
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" %)​
1171 +(((
1172 +[[image:image-20220602171200-9.png]]
1173 +)))
914 914  
1175 +(((
1176 +
1177 +)))
915 915  
1179 +(((
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.
1181 +)))
917 917  
918 918  
919 919  == 3.7 Buttons ==
920 920  
921 921  
922 -(% border="1" style="background-color:#f7faff; width:500px" %)
1187 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
923 923  |=**Button**|=(% style="width: 1420px;" %)**Feature**
924 924  |**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**
925 925  |**RST**|(% style="width:1420px" %)Reboot RS485
926 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
1191 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
927 927  
928 928  
929 929  
930 930  == 3.8 LEDs ==
931 931  
932 -(% border="1" style="background-color:#f7faff; width:500px" %)
1197 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:500px" %)
933 933  |=**LEDs**|=**Feature**
934 934  |**PWR**|Always on if there is power
935 935  |**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.
936 936  
1202 +
1203 +
937 937  = 4. Case Study =
938 938  
939 939  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]]
... ... @@ -943,17 +943,21 @@
943 943  
944 944  == 5.1 Access AT Command ==
945 945  
1213 +(((
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.
1215 +)))
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" %)​
1217 +[[image:1654162355560-817.png]]
949 949  
950 950  
1220 +(((
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:
1222 +)))
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" %)​
1224 +[[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"]]
1227 +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/]]
957 957  
958 958  
959 959  == 5.2 Common AT Command Sequence ==
... ... @@ -1022,7 +1022,7 @@
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
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" %)​
1296 +[[image:1654162478620-421.png]]
1026 1026  
1027 1027  
1028 1028  = 6. FAQ =
... ... @@ -1037,7 +1037,7 @@
1037 1037  
1038 1038  Below shows the hardware connection for how to upload an image to RS485-LN:
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" %)​
1311 +[[image:1654162535040-878.png]]
1041 1041  
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]].
1043 1043  
... ... @@ -1045,21 +1045,23 @@
1045 1045  
1046 1046  **Step3: **Open flashloader; choose the correct COM port to update.
1047 1047  
1319 +(((
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.
1321 +)))
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" %)​
1324 +[[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" %)​
1327 +[[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" %)​
1330 +[[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" %)​
1335 +[[image:image-20220602175638-10.png]]
1063 1063  
1064 1064  
1065 1065  == 6.2 How to change the LoRa Frequency Bands/Region? ==
... ... @@ -1108,6 +1108,7 @@
1108 1108  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1109 1109  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1110 1110  
1384 +
1111 1111  = 9.Packing Info =
1112 1112  
1113 1113  
... ... @@ -1124,32 +1124,63 @@
1124 1124  * Package Size / pcs : 14.5 x 8 x 5 cm
1125 1125  * Weight / pcs : 170g
1126 1126  
1401 +
1127 1127  = 10. FCC Caution for RS485LN-US915 =
1128 1128  
1404 +(((
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.
1406 +)))
1130 1130  
1408 +(((
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.
1410 +)))
1132 1132  
1412 +(((
1413 +
1414 +)))
1133 1133  
1416 +(((
1134 1134  **IMPORTANT NOTE:**
1418 +)))
1135 1135  
1420 +(((
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:
1422 +)))
1137 1137  
1424 +(((
1138 1138  —Reorient or relocate the receiving antenna.
1426 +)))
1139 1139  
1428 +(((
1140 1140  —Increase the separation between the equipment and receiver.
1430 +)))
1141 1141  
1432 +(((
1142 1142  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1434 +)))
1143 1143  
1436 +(((
1144 1144  —Consult the dealer or an experienced radio/TV technician for help.
1438 +)))
1145 1145  
1440 +(((
1441 +
1442 +)))
1146 1146  
1444 +(((
1147 1147  **FCC Radiation Exposure Statement:**
1446 +)))
1148 1148  
1448 +(((
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.
1450 +)))
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]].
1455 +* (((
1456 +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.
1457 +)))
1458 +* (((
1459 +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]].
1460 +)))
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