Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 57.38 >
edited by Xiaoling
on 2022/06/06 09:34
To version < 57.48 >
edited by Xiaoling
on 2022/06/06 11:01
>
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Summary

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Content
... ... @@ -24,23 +24,33 @@
24 24  
25 25  (((
26 26  (((
27 +(((
27 27  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.
28 28  )))
30 +)))
29 29  
30 30  (((
33 +(((
31 31  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.
32 32  )))
36 +)))
33 33  
34 34  (((
39 +(((
35 35  (% 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.
36 36  )))
42 +)))
37 37  
38 38  (((
45 +(((
39 39  (% 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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40 40  
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41 41  (% 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]]
42 42  )))
43 43  )))
53 +)))
44 44  
45 45  [[image:1653267211009-519.png||height="419" width="724"]]
46 46  
... ... @@ -93,6 +93,7 @@
93 93  * Support Modbus protocol
94 94  * Support Interrupt uplink (Since hardware version v1.2)
95 95  
106 +
96 96  == 1.4 Applications ==
97 97  
98 98  * Smart Buildings & Home Automation
... ... @@ -102,6 +102,7 @@
102 102  * Smart Cities
103 103  * Smart Factory
104 104  
116 +
105 105  == 1.5 Firmware Change log ==
106 106  
107 107  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -111,9 +111,13 @@
111 111  
112 112  (((
113 113  (((
126 +(((
114 114  v1.2: Add External Interrupt Pin.
128 +)))
115 115  
130 +(((
116 116  v1.0: Release
132 +)))
117 117  
118 118  
119 119  )))
... ... @@ -141,7 +141,9 @@
141 141  == 3.1 How it works? ==
142 142  
143 143  (((
160 +(((
144 144  The RS485-LN is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the RS485-LN. It will auto join the network via OTAA.
162 +)))
145 145  
146 146  
147 147  )))
... ... @@ -231,19 +231,19 @@
231 231  
232 232  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
233 233  
234 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
235 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
236 236  **AT Commands**
237 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
238 238  **Description**
239 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
240 240  **Example**
241 241  )))
242 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
243 243  AT+BAUDR
244 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
245 245  Set the baud rate (for RS485 connection). Default Value is: 9600.
246 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
247 247  (((
248 248  AT+BAUDR=9600
249 249  )))
... ... @@ -252,11 +252,11 @@
252 252  Options: (1200,2400,4800,14400,19200,115200)
253 253  )))
254 254  )))
255 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
256 256  AT+PARITY
257 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
258 258  Set UART parity (for RS485 connection)
259 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
260 260  (((
261 261  AT+PARITY=0
262 262  )))
... ... @@ -265,9 +265,9 @@
265 265  Option: 0: no parity, 1: odd parity, 2: even parity
266 266  )))
267 267  )))
268 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
269 269  AT+STOPBIT
270 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
271 271  (((
272 272  Set serial stopbit (for RS485 connection)
273 273  )))
... ... @@ -275,7 +275,7 @@
275 275  (((
276 276  
277 277  )))
278 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
279 279  (((
280 280  AT+STOPBIT=0 for 1bit
281 281  )))
... ... @@ -289,6 +289,8 @@
289 289  )))
290 290  )))
291 291  
310 +
311 +
292 292  === 3.3.2 Configure sensors ===
293 293  
294 294  (((
... ... @@ -297,15 +297,15 @@
297 297  )))
298 298  )))
299 299  
300 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
301 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
302 -|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" %)(((
303 303  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
304 304  
305 305  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
306 306  
307 307  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
308 -)))|(% 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
309 309  
310 310  === 3.3.3 Configure read commands for each sampling ===
311 311  
... ... @@ -352,8 +352,8 @@
352 352  
353 353  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
354 354  
355 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
356 -|(% style="width:722px" %)(((
375 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
376 +|(% style="width:510px" %)(((
357 357  **AT+DATACUTx=a,b,c**
358 358  
359 359  * **a: length for the return of AT+COMMAND**
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855 855  |**RST**|(% style="width:1420px" %)Reboot RS485
856 856  |**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
857 857  
858 -
859 859  == 3.8 LEDs ==
860 860  
861 861  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -863,7 +863,6 @@
863 863  |**PWR**|Always on if there is power
864 864  |**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.
865 865  
866 -
867 867  = 4. Case Study =
868 868  
869 869  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]]
... ... @@ -1041,7 +1041,6 @@
1041 1041  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1042 1042  
1043 1043  
1044 -
1045 1045  = 9.Packing Info =
1046 1046  
1047 1047  
... ... @@ -1059,33 +1059,62 @@
1059 1059  * Weight / pcs : 170g
1060 1060  
1061 1061  
1062 -
1063 1063  = 10. FCC Caution for RS485LN-US915 =
1064 1064  
1081 +(((
1065 1065  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1083 +)))
1066 1066  
1085 +(((
1067 1067  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.
1087 +)))
1068 1068  
1089 +(((
1090 +
1091 +)))
1069 1069  
1093 +(((
1070 1070  **IMPORTANT NOTE:**
1095 +)))
1071 1071  
1097 +(((
1072 1072  **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:
1099 +)))
1073 1073  
1101 +(((
1074 1074  —Reorient or relocate the receiving antenna.
1103 +)))
1075 1075  
1105 +(((
1076 1076  —Increase the separation between the equipment and receiver.
1107 +)))
1077 1077  
1109 +(((
1078 1078  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1111 +)))
1079 1079  
1113 +(((
1080 1080  —Consult the dealer or an experienced radio/TV technician for help.
1115 +)))
1081 1081  
1117 +(((
1118 +
1119 +)))
1082 1082  
1121 +(((
1083 1083  **FCC Radiation Exposure Statement:**
1123 +)))
1084 1084  
1125 +(((
1085 1085  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.
1127 +)))
1086 1086  
1087 1087  
1088 1088  = 11. Support =
1089 1089  
1090 -* 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.
1091 -* 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]].
1132 +* (((
1133 +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.
1134 +)))
1135 +* (((
1136 +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]].
1137 +)))

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