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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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90 90  * Support Interrupt uplink (Since hardware version v1.2)
91 91  
92 92  
93 -
94 94  == 1.4 Applications ==
95 95  
96 96  * Smart Buildings & Home Automation
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100 100  * Smart Cities
101 101  * Smart Factory
102 102  
116 +
103 103  == 1.5 Firmware Change log ==
104 104  
105 105  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
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109 109  
110 110  (((
111 111  (((
126 +(((
112 112  v1.2: Add External Interrupt Pin.
128 +)))
113 113  
130 +(((
114 114  v1.0: Release
132 +)))
115 115  
116 116  
117 117  )))
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139 139  == 3.1 How it works? ==
140 140  
141 141  (((
160 +(((
142 142  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 +)))
143 143  
144 144  
145 145  )))
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163 163  [[image:1653268227651-549.png||height="592" width="720"]]
164 164  
165 165  (((
166 -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:
167 167  )))
168 168  
169 169  (((
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215 215  
216 216  (((
217 217  (((
218 -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.
219 219  )))
220 220  
221 221  (((
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229 229  
230 230  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:
231 231  
232 -(% border="1" style="background-color:#ffffcc; color:green; width:782px" %)
233 -|(% style="width:128px" %)(((
252 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
253 +|=(% style="width: 110px;" %)(((
234 234  **AT Commands**
235 -)))|(% style="width:305px" %)(((
255 +)))|=(% style="width: 190px;" %)(((
236 236  **Description**
237 -)))|(% style="width:346px" %)(((
257 +)))|=(% style="width: 190px;" %)(((
238 238  **Example**
239 239  )))
240 -|(% style="width:128px" %)(((
260 +|(% style="width:110px" %)(((
241 241  AT+BAUDR
242 -)))|(% style="width:305px" %)(((
262 +)))|(% style="width:190px" %)(((
243 243  Set the baud rate (for RS485 connection). Default Value is: 9600.
244 -)))|(% style="width:346px" %)(((
264 +)))|(% style="width:190px" %)(((
245 245  (((
246 246  AT+BAUDR=9600
247 247  )))
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250 250  Options: (1200,2400,4800,14400,19200,115200)
251 251  )))
252 252  )))
253 -|(% style="width:128px" %)(((
273 +|(% style="width:110px" %)(((
254 254  AT+PARITY
255 -)))|(% style="width:305px" %)(((
275 +)))|(% style="width:190px" %)(((
256 256  Set UART parity (for RS485 connection)
257 -)))|(% style="width:346px" %)(((
277 +)))|(% style="width:190px" %)(((
258 258  (((
259 259  AT+PARITY=0
260 260  )))
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263 263  Option: 0: no parity, 1: odd parity, 2: even parity
264 264  )))
265 265  )))
266 -|(% style="width:128px" %)(((
286 +|(% style="width:110px" %)(((
267 267  AT+STOPBIT
268 -)))|(% style="width:305px" %)(((
288 +)))|(% style="width:190px" %)(((
269 269  (((
270 270  Set serial stopbit (for RS485 connection)
271 271  )))
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273 273  (((
274 274  
275 275  )))
276 -)))|(% style="width:346px" %)(((
296 +)))|(% style="width:190px" %)(((
277 277  (((
278 278  AT+STOPBIT=0 for 1bit
279 279  )))
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287 287  )))
288 288  )))
289 289  
310 +
311 +
290 290  === 3.3.2 Configure sensors ===
291 291  
292 292  (((
... ... @@ -295,16 +295,18 @@
295 295  )))
296 296  )))
297 297  
298 -(% border="1" style="background-color:#ffffcc; color:green; width:806px" %)
299 -|**AT Commands**|(% style="width:418px" %)**Description**|(% style="width:256px" %)**Example**
300 -|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" %)(((
301 301  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
302 302  
303 303  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
304 304  
305 305  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
306 -)))|(% 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
307 307  
330 +
331 +
308 308  === 3.3.3 Configure read commands for each sampling ===
309 309  
310 310  (((
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350 350  
351 351  **AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
352 352  
353 -(% border="1" style="background-color:#4bacc6; color:white; width:725px" %)
354 -|(% style="width:722px" %)(((
377 +(% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 +|(% style="width:510px" %)(((
355 355  **AT+DATACUTx=a,b,c**
356 356  
357 357  * **a: length for the return of AT+COMMAND**
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420 420  
421 421  (% style="color:#4f81bd" %)**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**
422 422  
447 +
423 423  1. PAYVER: Defined by AT+PAYVER
424 424  1. PAYLOAD COUNT: Total how many uplinks of this sampling.
425 425  1. PAYLOAD#: Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
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499 499  
500 500  There are two kinds of Commands:
501 501  
502 -* (% 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]]
503 503  
504 504  * (% style="color:#4f81bd" %)**Sensor Related Commands**(%%): These commands are special designed for RS485-LN.  User can see these commands below:
505 505  
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519 519  
520 520  === 3.5.3 Sensor related commands ===
521 521  
522 -==== ====
523 523  
548 +
524 524  ==== **RS485 Debug Command** ====
525 525  
526 526  This command is used to configure the RS485 devices; they won’t be used during sampling.
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727 727  
728 728  * **AT Command:**
729 729  
730 -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.
731 731  
732 732  
733 733  * **Downlink Payload:**
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735 735  **0x08 FF**, RS485-LN will immediately send an uplink.
736 736  
737 737  
738 -==== ====
739 739  
740 740  ==== **Clear RS485 Command** ====
741 741  
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752 752  
753 753  The uplink screen shot is:
754 754  
755 -[[image:1654160691922-496.png]][[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
779 +[[image:1654160691922-496.png]]
756 756  
757 757  
758 758  * **Downlink Payload:**
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851 851  |=**Button**|=(% style="width: 1420px;" %)**Feature**
852 852  |**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**
853 853  |**RST**|(% style="width:1420px" %)Reboot RS485
854 -|**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"]]
855 855  
856 856  == 3.8 LEDs ==
857 857  
... ... @@ -879,7 +879,7 @@
879 879  [[image:1654162368066-342.png]]
880 880  
881 881  
882 -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/]]
883 883  
884 884  
885 885  == 5.2 Common AT Command Sequence ==
... ... @@ -971,7 +971,9 @@
971 971  
972 972  **Step3: **Open flashloader; choose the correct COM port to update.
973 973  
998 +(((
974 974  (% 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 +)))
975 975  
976 976  
977 977  [[image:image-20220602175818-12.png]]
... ... @@ -1034,6 +1034,7 @@
1034 1034  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1035 1035  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1036 1036  
1063 +
1037 1037  = 9.Packing Info =
1038 1038  
1039 1039  
... ... @@ -1050,32 +1050,63 @@
1050 1050  * Package Size / pcs : 14.5 x 8 x 5 cm
1051 1051  * Weight / pcs : 170g
1052 1052  
1080 +
1053 1053  = 10. FCC Caution for RS485LN-US915 =
1054 1054  
1083 +(((
1055 1055  Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1085 +)))
1056 1056  
1087 +(((
1057 1057  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 +)))
1058 1058  
1091 +(((
1092 +
1093 +)))
1059 1059  
1095 +(((
1060 1060  **IMPORTANT NOTE:**
1097 +)))
1061 1061  
1099 +(((
1062 1062  **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 +)))
1063 1063  
1103 +(((
1064 1064  —Reorient or relocate the receiving antenna.
1105 +)))
1065 1065  
1107 +(((
1066 1066  —Increase the separation between the equipment and receiver.
1109 +)))
1067 1067  
1111 +(((
1068 1068  —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1113 +)))
1069 1069  
1115 +(((
1070 1070  —Consult the dealer or an experienced radio/TV technician for help.
1117 +)))
1071 1071  
1119 +(((
1120 +
1121 +)))
1072 1072  
1123 +(((
1073 1073  **FCC Radiation Exposure Statement:**
1125 +)))
1074 1074  
1127 +(((
1075 1075  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 +)))
1076 1076  
1077 1077  
1078 1078  = 11. Support =
1079 1079  
1080 -* 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.
1081 -* 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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