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6 6  **RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 +
10 +
9 9  **Table of Contents:**
10 10  
13 +{{toc/}}
11 11  
12 12  
13 13  
14 14  
18 +
19 +
20 +
15 15  = 1.Introduction =
16 16  
17 17  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
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18 18  
19 19  (((
20 20  (((
27 +(((
21 21  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.
22 22  )))
30 +)))
23 23  
24 24  (((
33 +(((
25 25  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.
26 26  )))
36 +)))
27 27  
28 28  (((
39 +(((
29 29  (% 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.
30 30  )))
42 +)))
31 31  
32 32  (((
45 +(((
33 33  (% 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 +)))
34 34  
49 +(((
35 35  (% 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]]
36 36  )))
37 37  )))
53 +)))
38 38  
39 39  [[image:1653267211009-519.png||height="419" width="724"]]
40 40  
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76 76  * Automatic RF Sense and CAD with ultra-fast AFC.
77 77  * Packet engine up to 256 bytes with CRC
78 78  
79 -
80 -
81 81  == 1.3 Features ==
82 82  
83 83  * LoRaWAN Class A & Class C protocol (default Class C)
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89 89  * Support Modbus protocol
90 90  * Support Interrupt uplink (Since hardware version v1.2)
91 91  
106 +
92 92  == 1.4 Applications ==
93 93  
94 94  * Smart Buildings & Home Automation
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98 98  * Smart Cities
99 99  * Smart Factory
100 100  
116 +
101 101  == 1.5 Firmware Change log ==
102 102  
103 103  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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107 107  
108 108  (((
109 109  (((
126 +(((
110 110  v1.2: Add External Interrupt Pin.
128 +)))
111 111  
130 +(((
112 112  v1.0: Release
132 +)))
113 113  
114 114  
115 115  )))
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137 137  == 3.1 How it works? ==
138 138  
139 139  (((
160 +(((
140 140  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 +)))
141 141  
142 142  
143 143  )))
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161 161  [[image:1653268227651-549.png||height="592" width="720"]]
162 162  
163 163  (((
164 -The LG308 is already set to connect to [[TTN V3 network >>path:eu1.cloud.thethings.network/]]. So what we need to now is only configure the TTN V3:
186 +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:
165 165  )))
166 166  
167 167  (((
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213 213  
214 214  (((
215 215  (((
216 -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.
217 217  )))
218 218  
219 219  (((
... ... @@ -227,19 +227,19 @@
227 227  
228 228  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:
229 229  
230 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
231 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
232 232  **AT Commands**
233 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
234 234  **Description**
235 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
236 236  **Example**
237 237  )))
238 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
239 239  AT+BAUDR
240 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
241 241  Set the baud rate (for RS485 connection). Default Value is: 9600.
242 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
243 243  (((
244 244  AT+BAUDR=9600
245 245  )))
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248 248  Options: (1200,2400,4800,14400,19200,115200)
249 249  )))
250 250  )))
251 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
252 252  AT+PARITY
253 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
254 254  Set UART parity (for RS485 connection)
255 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
256 256  (((
257 257  AT+PARITY=0
258 258  )))
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261 261  Option: 0: no parity, 1: odd parity, 2: even parity
262 262  )))
263 263  )))
264 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
265 265  AT+STOPBIT
266 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
267 267  (((
268 268  Set serial stopbit (for RS485 connection)
269 269  )))
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271 271  (((
272 272  
273 273  )))
274 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
275 275  (((
276 276  AT+STOPBIT=0 for 1bit
277 277  )))
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285 285  )))
286 286  )))
287 287  
310 +
311 +
288 288  === 3.3.2 Configure sensors ===
289 289  
290 290  (((
... ... @@ -293,16 +293,18 @@
293 293  )))
294 294  )))
295 295  
296 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
297 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
298 -|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" %)(((
299 299  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
300 300  
301 301  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
302 302  
303 303  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
304 -)))|(% 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
305 305  
330 +
331 +
306 306  === 3.3.3 Configure read commands for each sampling ===
307 307  
308 308  (((
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348 348  
349 349  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
350 350  
351 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
352 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
353 353  **AT+DATACUTx=a,b,c**
354 354  
355 355  * **a: length for the return of AT+COMMAND**
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418 418  
419 419  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
420 420  
447 +
421 421  1. PAYVER: Defined by AT+PAYVER
422 422  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
423 423  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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497 497  
498 498  There are two kinds of Commands:
499 499  
500 -* (% 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]]
501 501  
502 502  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
503 503  
... ... @@ -517,8 +517,8 @@
517 517  
518 518  === 3.5.3 Sensor related commands ===
519 519  
520 -==== ====
521 521  
548 +
522 522  ==== **RS485 Debug Command** ====
523 523  
524 524  This command is used to configure the RS485 devices; they won’t be used during sampling.
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725 725  
726 726  * **AT Command:**
727 727  
728 -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.
729 729  
730 730  
731 731  * **Downlink Payload:**
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733 733  **0x08 FF**, RS485-LN will immediately send an uplink.
734 734  
735 735  
736 -==== ====
737 737  
738 738  ==== **Clear RS485 Command** ====
739 739  
... ... @@ -750,7 +750,7 @@
750 750  
751 751  The uplink screen shot is:
752 752  
753 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
779 +[[image:1654160691922-496.png]]
754 754  
755 755  
756 756  * **Downlink Payload:**
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849 849  |=**Button**|=(% style="width: 1420px;" %)**Feature**
850 850  |**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**
851 851  |**RST**|(% style="width:1420px" %)Reboot RS485
852 -|**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"]]
853 853  
854 854  == 3.8 LEDs ==
855 855  
... ... @@ -877,7 +877,7 @@
877 877  [[image:1654162368066-342.png]]
878 878  
879 879  
880 -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/]]
881 881  
882 882  
883 883  == 5.2 Common AT Command Sequence ==
... ... @@ -969,7 +969,9 @@
969 969  
970 970  **Step3: **Open flashloader; choose the correct COM port to update.
971 971  
998 +(((
972 972  (% 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 +)))
973 973  
974 974  
975 975  [[image:image-20220602175818-12.png]]
... ... @@ -1032,6 +1032,7 @@
1032 1032  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1033 1033  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1034 1034  
1063 +
1035 1035  = 9.Packing Info =
1036 1036  
1037 1037  
... ... @@ -1048,32 +1048,63 @@
1048 1048  * Package Size / pcs : 14.5 x 8 x 5 cm
1049 1049  * Weight / pcs : 170g
1050 1050  
1080 +
1051 1051  = 10. FCC Caution for RS485LN-US915 =
1052 1052  
1083 +(((
1053 1053  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1085 +)))
1054 1054  
1087 +(((
1055 1055  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 +)))
1056 1056  
1091 +(((
1092 +
1093 +)))
1057 1057  
1095 +(((
1058 1058  **IMPORTANT NOTE:**
1097 +)))
1059 1059  
1099 +(((
1060 1060  **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 +)))
1061 1061  
1103 +(((
1062 1062  —Reorient or relocate the receiving antenna.
1105 +)))
1063 1063  
1107 +(((
1064 1064  —Increase the separation between the equipment and receiver.
1109 +)))
1065 1065  
1111 +(((
1066 1066  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1113 +)))
1067 1067  
1115 +(((
1068 1068  —Consult the dealer or an experienced radio/TV technician for help.
1117 +)))
1069 1069  
1119 +(((
1120 +
1121 +)))
1070 1070  
1123 +(((
1071 1071  **FCC Radiation Exposure Statement:**
1125 +)))
1072 1072  
1127 +(((
1073 1073  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 +)))
1074 1074  
1075 1075  
1076 1076  = 11. Support =
1077 1077  
1078 -* 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.
1079 -* 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 +)))
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