Last modified by Karry Zhuang on 2025/03/06 16:34
<
From version < 57.10 >
edited by Xiaoling
on 2022/06/06 08:58
To version < 57.49 >
edited by Xiaoling
on 2022/06/06 11:02
>
Change comment: There is no comment for this version

Summary

Details

Page properties
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.
47 +)))
40 40  
49 +(((
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  
... ... @@ -82,8 +82,6 @@
82 82  * Automatic RF Sense and CAD with ultra-fast AFC.
83 83  * Packet engine up to 256 bytes with CRC
84 84  
85 -
86 -
87 87  == 1.3 Features ==
88 88  
89 89  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -96,7 +96,6 @@
96 96  * Support Interrupt uplink (Since hardware version v1.2)
97 97  
98 98  
99 -
100 100  == 1.4 Applications ==
101 101  
102 102  * Smart Buildings & Home Automation
... ... @@ -107,7 +107,6 @@
107 107  * Smart Factory
108 108  
109 109  
110 -
111 111  == 1.5 Firmware Change log ==
112 112  
113 113  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -117,9 +117,13 @@
117 117  
118 118  (((
119 119  (((
126 +(((
120 120  v1.2: Add External Interrupt Pin.
128 +)))
121 121  
130 +(((
122 122  v1.0: Release
132 +)))
123 123  
124 124  
125 125  )))
... ... @@ -147,7 +147,9 @@
147 147  == 3.1 How it works? ==
148 148  
149 149  (((
160 +(((
150 150  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 +)))
151 151  
152 152  
153 153  )))
... ... @@ -223,7 +223,7 @@
223 223  
224 224  (((
225 225  (((
226 -There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>path:#AT_COMMAND]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
238 +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.
227 227  )))
228 228  
229 229  (((
... ... @@ -237,19 +237,19 @@
237 237  
238 238  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:
239 239  
240 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
241 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
242 242  **AT Commands**
243 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
244 244  **Description**
245 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
246 246  **Example**
247 247  )))
248 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
249 249  AT+BAUDR
250 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
251 251  Set the baud rate (for RS485 connection). Default Value is: 9600.
252 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
253 253  (((
254 254  AT+BAUDR=9600
255 255  )))
... ... @@ -258,11 +258,11 @@
258 258  Options: (1200,2400,4800,14400,19200,115200)
259 259  )))
260 260  )))
261 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
262 262  AT+PARITY
263 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
264 264  Set UART parity (for RS485 connection)
265 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
266 266  (((
267 267  AT+PARITY=0
268 268  )))
... ... @@ -271,9 +271,9 @@
271 271  Option: 0: no parity, 1: odd parity, 2: even parity
272 272  )))
273 273  )))
274 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
275 275  AT+STOPBIT
276 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
277 277  (((
278 278  Set serial stopbit (for RS485 connection)
279 279  )))
... ... @@ -281,7 +281,7 @@
281 281  (((
282 282  
283 283  )))
284 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
285 285  (((
286 286  AT+STOPBIT=0 for 1bit
287 287  )))
... ... @@ -295,6 +295,8 @@
295 295  )))
296 296  )))
297 297  
310 +
311 +
298 298  === 3.3.2 Configure sensors ===
299 299  
300 300  (((
... ... @@ -303,16 +303,18 @@
303 303  )))
304 304  )))
305 305  
306 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
307 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
308 -|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" %)(((
309 309  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
310 310  
311 311  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
312 312  
313 313  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
314 -)))|(% 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
315 315  
330 +
331 +
316 316  === 3.3.3 Configure read commands for each sampling ===
317 317  
318 318  (((
... ... @@ -358,8 +358,8 @@
358 358  
359 359  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
360 360  
361 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
362 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
363 363  **AT+DATACUTx=a,b,c**
364 364  
365 365  * **a: length for the return of AT+COMMAND**
... ... @@ -428,6 +428,7 @@
428 428  
429 429  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
430 430  
447 +
431 431  1. PAYVER: Defined by AT+PAYVER
432 432  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
433 433  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
... ... @@ -507,7 +507,7 @@
507 507  
508 508  There are two kinds of Commands:
509 509  
510 -* (% 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: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
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]]
511 511  
512 512  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
513 513  
... ... @@ -527,8 +527,6 @@
527 527  
528 528  === 3.5.3 Sensor related commands ===
529 529  
530 -(% class="wikigeneratedid" id="H" %)
531 -
532 532  
533 533  
534 534  ==== **RS485 Debug Command** ====
... ... @@ -737,7 +737,7 @@
737 737  
738 738  * **AT Command:**
739 739  
740 -No AT Command for this, user can press the [[ACT button>>path:#Button]] for 1 second for the same.
755 +No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
741 741  
742 742  
743 743  * **Downlink Payload:**
... ... @@ -745,7 +745,6 @@
745 745  **0x08 FF**, RS485-LN will immediately send an uplink.
746 746  
747 747  
748 -==== ====
749 749  
750 750  ==== **Clear RS485 Command** ====
751 751  
... ... @@ -762,7 +762,7 @@
762 762  
763 763  The uplink screen shot is:
764 764  
765 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
779 +[[image:1654160691922-496.png]]
766 766  
767 767  
768 768  * **Downlink Payload:**
... ... @@ -861,10 +861,8 @@
861 861  |=**Button**|=(% style="width: 1420px;" %)**Feature**
862 862  |**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**
863 863  |**RST**|(% style="width:1420px" %)Reboot RS485
864 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>path:#upgrade_image]]
878 +|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
865 865  
866 -
867 -
868 868  == 3.8 LEDs ==
869 869  
870 870  (% border="1" style="background-color:#f7faff; width:500px" %)
... ... @@ -872,8 +872,6 @@
872 872  |**PWR**|Always on if there is power
873 873  |**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.
874 874  
875 -
876 -
877 877  = 4. Case Study =
878 878  
879 879  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]]
... ... @@ -893,7 +893,7 @@
893 893  [[image:1654162368066-342.png]]
894 894  
895 895  
896 -More detail AT Command manual can be found at [[AT Command Manual>>||anchor="3.5ConfigureRS485-BLviaATorDownlink"]]
906 +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/]]
897 897  
898 898  
899 899  == 5.2 Common AT Command Sequence ==
... ... @@ -985,7 +985,9 @@
985 985  
986 986  **Step3: **Open flashloader; choose the correct COM port to update.
987 987  
998 +(((
988 988  (% 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.
1000 +)))
989 989  
990 990  
991 991  [[image:image-20220602175818-12.png]]
... ... @@ -1049,7 +1049,6 @@
1049 1049  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1050 1050  
1051 1051  
1052 -
1053 1053  = 9.Packing Info =
1054 1054  
1055 1055  
... ... @@ -1067,33 +1067,62 @@
1067 1067  * Weight / pcs : 170g
1068 1068  
1069 1069  
1070 -
1071 1071  = 10. FCC Caution for RS485LN-US915 =
1072 1072  
1083 +(((
1073 1073  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1085 +)))
1074 1074  
1087 +(((
1075 1075  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.
1089 +)))
1076 1076  
1091 +(((
1092 +
1093 +)))
1077 1077  
1095 +(((
1078 1078  **IMPORTANT NOTE:**
1097 +)))
1079 1079  
1099 +(((
1080 1080  **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:
1101 +)))
1081 1081  
1103 +(((
1082 1082  —Reorient or relocate the receiving antenna.
1105 +)))
1083 1083  
1107 +(((
1084 1084  —Increase the separation between the equipment and receiver.
1109 +)))
1085 1085  
1111 +(((
1086 1086  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1113 +)))
1087 1087  
1115 +(((
1088 1088  —Consult the dealer or an experienced radio/TV technician for help.
1117 +)))
1089 1089  
1119 +(((
1120 +
1121 +)))
1090 1090  
1123 +(((
1091 1091  **FCC Radiation Exposure Statement:**
1125 +)))
1092 1092  
1127 +(((
1093 1093  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.
1129 +)))
1094 1094  
1095 1095  
1096 1096  = 11. Support =
1097 1097  
1098 -* 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.
1099 -* 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]].
1134 +* (((
1135 +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.
1136 +)))
1137 +* (((
1138 +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]].
1139 +)))

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0