Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.16 >
edited by Xiaoling
on 2022/06/06 11:23
To version < 60.14 >
edited by Xiaoling
on 2022/06/14 11:26
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -RS485-LN – RS485 to LoRaWAN Converter
1 +RS485-LN – RS485 to LoRaWAN Converter User Manual
Content
... ... @@ -3,7 +3,6 @@
3 3  
4 4  
5 5  
6 -**RS485-LN – RS485 to LoRaWAN Converter User Manual**
7 7  
8 8  
9 9  
... ... @@ -25,6 +25,8 @@
25 25  (((
26 26  (((
27 27  (((
27 +
28 +
28 28  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.
29 29  )))
30 30  )))
... ... @@ -48,6 +48,8 @@
48 48  
49 49  (((
50 50  (% 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]]
52 +
53 +
51 51  )))
52 52  )))
53 53  )))
... ... @@ -92,6 +92,9 @@
92 92  * Automatic RF Sense and CAD with ultra-fast AFC.
93 93  * Packet engine up to 256 bytes with CRC
94 94  
98 +
99 +
100 +
95 95  == 1.3 Features ==
96 96  
97 97  * LoRaWAN Class A & Class C protocol (default Class C)
... ... @@ -104,6 +104,8 @@
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 106  
113 +
114 +
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -114,6 +114,8 @@
114 114  * Smart Factory
115 115  
116 116  
125 +
126 +
117 117  == 1.5 Firmware Change log ==
118 118  
119 119  [[RS485-LN Image files – Download link and Change log>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/]]
... ... @@ -182,12 +182,13 @@
182 182  
183 183  [[image:1653268227651-549.png||height="592" width="720"]]
184 184  
195 +
185 185  (((
186 186  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:
187 187  )))
188 188  
189 189  (((
190 -**Step 1**: Create a device in TTN V3 with the OTAA keys from RS485-LN.
201 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN V3 with the OTAA keys from RS485-LN.
191 191  )))
192 192  
193 193  (((
... ... @@ -197,6 +197,7 @@
197 197  
198 198  [[image:1652953462722-299.png]]
199 199  
211 +
200 200  (((
201 201  (((
202 202  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
... ... @@ -203,7 +203,7 @@
203 203  )))
204 204  
205 205  (((
206 -Add APP EUI in the application.
218 +**Add APP EUI in the application.**
207 207  )))
208 208  )))
209 209  
... ... @@ -219,13 +219,15 @@
219 219  
220 220  [[image:1652953542269-423.png||height="710" width="723"]]
221 221  
222 -Add APP KEY and DEV EUI
223 223  
235 +
236 +**Add APP KEY and DEV EUI**
237 +
224 224  [[image:1652953553383-907.png||height="514" width="724"]]
225 225  
226 226  
227 227  (((
228 -**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.
242 +(% style="color:blue" %)**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.
229 229  )))
230 230  
231 231  [[image:1652953568895-172.png||height="232" width="724"]]
... ... @@ -235,11 +235,15 @@
235 235  
236 236  (((
237 237  (((
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.
252 +(((
253 +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-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
239 239  )))
255 +)))
240 240  
241 241  (((
258 +(((
242 242  (% style="color:red" %)Note: below description and commands are for firmware version >v1.1, if you have firmware version v1.0. Please check the [[user manual v1.0>>url:http://www.dragino.com/downloads/index.php?dir=RS485-LN/&file=RS485-LN_UserManual_v1.0.1.pdf]] or upgrade the firmware to v1.1
260 +)))
243 243  
244 244  
245 245  )))
... ... @@ -308,7 +308,6 @@
308 308  )))
309 309  
310 310  
311 -
312 312  === 3.3.2 Configure sensors ===
313 313  
314 314  (((
... ... @@ -320,15 +320,20 @@
320 320  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
321 321  |=(% style="width: 110px;" %)**AT Commands**|=(% style="width: 190px;" %)**Description**|=(% style="width: 190px;" %)**Example**
322 322  |AT+CFGDEV|(% style="width:110px" %)(((
340 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
342 +)))
324 324  
344 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
346 +)))
326 326  
348 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
350 +)))
328 328  )))|(% style="width:190px" %)AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,m
329 329  
330 330  
331 -
332 332  === 3.3.3 Configure read commands for each sampling ===
333 333  
334 334  (((
... ... @@ -341,7 +341,7 @@
341 341  During each sampling, the RS485-LN can support 15 commands to read sensors. And combine the return to one or several uplink payloads.
342 342  
343 343  
344 -**Each RS485 commands include two parts:**
366 +(% style="color:#037691" %)**Each RS485 commands include two parts:**
345 345  
346 346  ~1. What commands RS485-LN will send to the RS485 sensors. There are total 15 commands from **AT+COMMAD1**, **ATCOMMAND2**,…, to **AT+COMMANDF**. All commands are of same grammar.
347 347  
... ... @@ -356,11 +356,11 @@
356 356  Below are examples for the how above AT Commands works.
357 357  
358 358  
359 -**AT+COMMANDx : **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
381 +(% style="color:#037691" %)**AT+COMMANDx **(%%)**: **This command will be sent to RS485 devices during each sampling, Max command length is 14 bytes. The grammar is:
360 360  
361 361  (% border="1" style="background-color:#4bacc6; color:white; width:499px" %)
362 362  |(% style="width:496px" %)(((
363 -**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
385 +(% style="color:#037691" %)**AT+COMMANDx=xx xx xx xx xx xx xx xx xx xx xx xx,m**
364 364  
365 365  **xx xx xx xx xx xx xx xx xx xx xx xx: The RS485 command to be sent**
366 366  
... ... @@ -372,7 +372,7 @@
372 372  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
373 373  
374 374  
375 -**AT+DATACUTx : **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
397 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
376 376  
377 377  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
378 378  |(% style="width:510px" %)(((
... ... @@ -385,20 +385,21 @@
385 385  
386 386  **Examples:**
387 387  
388 -* Grab bytes:
410 +* (% style="color:#037691" %)**Grab bytes**
389 389  
390 390  [[image:image-20220602153621-1.png]]
391 391  
392 392  
393 -* Grab a section.
415 +* (% style="color:#037691" %)**Grab a section**
394 394  
395 395  [[image:image-20220602153621-2.png]]
396 396  
397 397  
398 -* Grab different sections.
420 +* (% style="color:#037691" %)**Grab different sections**
399 399  
400 400  [[image:image-20220602153621-3.png]]
401 401  
424 +
402 402  
403 403  )))
404 404  
... ... @@ -507,7 +507,7 @@
507 507  Below is the decoder for the first 3 bytes. The rest bytes are dynamic depends on different RS485 sensors.
508 508  
509 509  
510 -== 3.5 Configure RS485-BL via AT or Downlink ==
533 +== 3.5 Configure RS485-LN via AT or Downlink ==
511 511  
512 512  (((
513 513  User can configure RS485-LN via AT Commands or LoRaWAN Downlink Commands
... ... @@ -673,7 +673,7 @@
673 673  ==== **Set Payload version** ====
674 674  
675 675  (((
676 -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.
699 +This is the first byte of the uplink payload. RS485-LN can connect to different sensors. User can set the PAYVER field to tell server how to decode the current payload.
677 677  )))
678 678  
679 679  * (((
... ... @@ -771,7 +771,7 @@
771 771  XX XX XX XX: AT+COMMAND or AT+DATACUT command
772 772  )))
773 773  * (((
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.
797 +YY:  If YY=0, RS485-LN will execute the downlink command without uplink; if YY=1, RS485-LN will execute an uplink after got this command.
775 775  )))
776 776  
777 777  (((
... ... @@ -937,16 +937,29 @@
937 937  
938 938  ==== **Manually trigger an Uplink** ====
939 939  
963 +(((
940 940  Ask device to send an uplink immediately.
965 +)))
941 941  
942 -* **AT Command:**
967 +* (((
968 +**AT Command:**
969 +)))
943 943  
971 +(((
944 944  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
973 +)))
945 945  
975 +(((
976 +
977 +)))
946 946  
947 -* **Downlink Payload:**
979 +* (((
980 +**Downlink Payload:**
981 +)))
948 948  
983 +(((
949 949  **0x08 FF**, RS485-LN will immediately send an uplink.
985 +)))
950 950  
951 951  
952 952  
... ... @@ -984,9 +984,13 @@
984 984  [[image:1654160691922-496.png]]
985 985  
986 986  
987 -* **Downlink Payload:**
1023 +* (((
1024 +**Downlink Payload:**
1025 +)))
988 988  
1027 +(((
989 989  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1029 +)))
990 990  
991 991  
992 992  
... ... @@ -993,102 +993,195 @@
993 993  
994 994  ==== **Set Serial Communication Parameters** ====
995 995  
1036 +(((
996 996  Set the Rs485 serial communication parameters:
1038 +)))
997 997  
998 -* **AT Command:**
1040 +* (((
1041 +**AT Command:**
1042 +)))
999 999  
1044 +(((
1000 1000  Set Baud Rate:
1046 +)))
1001 1001  
1002 1002  (% class="box infomessage" %)
1003 1003  (((
1050 +(((
1004 1004  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1005 1005  )))
1053 +)))
1006 1006  
1055 +(((
1007 1007  Set UART Parity
1057 +)))
1008 1008  
1009 1009  (% class="box infomessage" %)
1010 1010  (((
1061 +(((
1011 1011  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
1012 1012  )))
1064 +)))
1013 1013  
1066 +(((
1014 1014  Set STOPBIT
1068 +)))
1015 1015  
1016 1016  (% class="box infomessage" %)
1017 1017  (((
1072 +(((
1018 1018  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
1019 1019  )))
1075 +)))
1020 1020  
1077 +(((
1078 +
1079 +)))
1021 1021  
1022 -* **Downlink Payload:**
1081 +* (((
1082 +**Downlink Payload:**
1083 +)))
1023 1023  
1085 +(((
1024 1024  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1087 +)))
1025 1025  
1089 +(((
1026 1026  **Example:**
1091 +)))
1027 1027  
1028 -* A7 01 00 60   same as AT+BAUDR=9600
1029 -* A7 01 04 80  same as AT+BAUDR=115200
1093 +* (((
1094 +A7 01 00 60   same as AT+BAUDR=9600
1095 +)))
1096 +* (((
1097 +A7 01 04 80  same as AT+BAUDR=115200
1098 +)))
1030 1030  
1100 +(((
1031 1031  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1102 +)))
1032 1032  
1104 +(((
1033 1033  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1106 +)))
1034 1034  
1035 1035  
1109 +
1110 +
1036 1036  == 3.6 Listening mode for RS485 network ==
1037 1037  
1113 +(((
1038 1038  This feature support since firmware v1.4
1115 +)))
1039 1039  
1117 +(((
1040 1040  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.
1119 +)))
1041 1041  
1042 1042  [[image:image-20220602171200-8.png||height="567" width="1007"]]
1043 1043  
1123 +(((
1044 1044  To enable the listening mode, use can run the command AT+RXMODE.
1125 +)))
1045 1045  
1127 +(((
1128 +
1129 +)))
1046 1046  
1047 -(% border="1" style="background-color:#ffffcc; width:500px" %)
1048 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
1049 -|(% 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.
1050 -|(% 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
1051 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
1052 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1131 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1132 +|=(% style="width: 100px;" %)(((
1133 +**Command example**
1134 +)))|=(% style="width: 400px;" %)(((
1135 +**Function**
1136 +)))
1137 +|(% style="width:100px" %)(((
1138 +AT+RXMODE=1,10
1139 +)))|(% style="width:400px" %)(((
1140 +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.
1141 +)))
1142 +|(% style="width:100px" %)(((
1143 +AT+RXMODE=2,500
1144 +)))|(% style="width:400px" %)(((
1145 +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
1146 +)))
1147 +|(% style="width:100px" %)(((
1148 +AT+RXMODE=0,0
1149 +)))|(% style="width:400px" %)(((
1150 +Disable listening mode. This is the default settings.
1151 +)))
1152 +|(% style="width:100px" %)(((
1153 +
1154 +)))|(% style="width:400px" %)(((
1155 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1156 +)))
1053 1053  
1158 +(((
1054 1054  **Downlink Command:**
1160 +)))
1055 1055  
1162 +(((
1056 1056  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1164 +)))
1057 1057  
1166 +(((
1167 +
1168 +)))
1058 1058  
1170 +(((
1059 1059  **Example**:
1172 +)))
1060 1060  
1174 +(((
1061 1061  The RS485-LN is set to AT+RXMODE=2,1000
1176 +)))
1062 1062  
1178 +(((
1063 1063  There is a two Modbus commands in the RS485 network as below:
1180 +)))
1064 1064  
1182 +(((
1065 1065  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1184 +)))
1066 1066  
1186 +(((
1067 1067  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1188 +)))
1068 1068  
1190 +(((
1069 1069  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
1192 +)))
1070 1070  
1194 +(((
1071 1071  [[image:image-20220602171200-9.png]]
1196 +)))
1072 1072  
1198 +(((
1199 +
1200 +)))
1073 1073  
1202 +(((
1203 +(((
1074 1074  (% 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.
1205 +)))
1206 +)))
1075 1075  
1076 1076  
1077 1077  == 3.7 Buttons ==
1078 1078  
1079 1079  
1080 -(% border="1" style="background-color:#f7faff; width:500px" %)
1081 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
1082 -|**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**
1083 -|**RST**|(% style="width:1420px" %)Reboot RS485
1084 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1212 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1213 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1214 +|(% style="width:50px" %)**ACT**|(% style="width:361px" %)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**
1215 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1216 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1085 1085  
1086 1086  == 3.8 LEDs ==
1087 1087  
1088 -(% border="1" style="background-color:#f7faff; width:500px" %)
1089 -|=**LEDs**|=**Feature**
1220 +
1221 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1222 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
1090 1090  |**PWR**|Always on if there is power
1091 -|**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.
1224 +|**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.
1092 1092  
1093 1093  = 4. Case Study =
1094 1094  
... ... @@ -1099,19 +1099,26 @@
1099 1099  
1100 1100  == 5.1 Access AT Command ==
1101 1101  
1102 -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.
1235 +(((
1236 +RS485-LN supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to RS485-LN to use AT command, as below.
1237 +)))
1103 1103  
1104 1104  [[image:1654162355560-817.png]]
1105 1105  
1106 1106  
1107 -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:
1242 +(((
1243 +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-LN. The default password is 123456. Below is the output for reference:
1244 +)))
1108 1108  
1109 1109  [[image:1654162368066-342.png]]
1110 1110  
1111 1111  
1249 +(((
1112 1112  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/]]
1251 +)))
1113 1113  
1114 1114  
1254 +
1115 1115  == 5.2 Common AT Command Sequence ==
1116 1116  
1117 1117  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1134,7 +1134,9 @@
1134 1134  )))
1135 1135  
1136 1136  
1277 +(((
1137 1137  If device already joined network:
1279 +)))
1138 1138  
1139 1139  (% class="box infomessage" %)
1140 1140  (((
... ... @@ -1173,10 +1173,12 @@
1173 1173  
1174 1174  (% style="color:red" %)**Note:**
1175 1175  
1318 +(((
1176 1176  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1177 1177  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1178 1178  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.
1179 1179  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
1323 +)))
1180 1180  
1181 1181  [[image:1654162478620-421.png]]
1182 1182  
... ... @@ -1185,25 +1185,45 @@
1185 1185  
1186 1186  == 6.1 How to upgrade the image? ==
1187 1187  
1332 +(((
1188 1188  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1334 +)))
1189 1189  
1190 -* Support new features
1191 -* For bug fix
1192 -* Change LoRaWAN bands.
1336 +* (((
1337 +Support new features
1338 +)))
1339 +* (((
1340 +For bug fix
1341 +)))
1342 +* (((
1343 +Change LoRaWAN bands.
1344 +)))
1193 1193  
1346 +(((
1194 1194  Below shows the hardware connection for how to upload an image to RS485-LN:
1348 +)))
1195 1195  
1196 1196  [[image:1654162535040-878.png]]
1197 1197  
1352 +(((
1198 1198  **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]].
1354 +)))
1199 1199  
1356 +(((
1200 1200  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1358 +)))
1201 1201  
1360 +(((
1202 1202  **Step3: **Open flashloader; choose the correct COM port to update.
1362 +)))
1203 1203  
1204 1204  (((
1365 +(((
1366 +(((
1205 1205  (% 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.
1206 1206  )))
1369 +)))
1370 +)))
1207 1207  
1208 1208  
1209 1209  [[image:image-20220602175818-12.png]]
... ... @@ -1225,9 +1225,9 @@
1225 1225  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1226 1226  
1227 1227  
1228 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1392 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1229 1229  
1230 -The RS485-BL can support max 32 RS485 devices. Each uplink command of RS485-BL can support max 16 different RS485 command. So RS485-BL can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1394 +The RS485-LN can support max 32 RS485 devices. Each uplink command of RS485-LN can support max 16 different RS485 command. So RS485-LN can support max 16 RS485 devices pre-program in the device for uplink. For other devices no pre-program, user can use the [[downlink message (type code 0xA8) to poll their info>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
1231 1231  
1232 1232  
1233 1233  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
... ... @@ -1266,7 +1266,6 @@
1266 1266  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1267 1267  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1268 1268  
1269 -
1270 1270  = 9.Packing Info =
1271 1271  
1272 1272  
... ... @@ -1283,7 +1283,6 @@
1283 1283  * Package Size / pcs : 14.5 x 8 x 5 cm
1284 1284  * Weight / pcs : 170g
1285 1285  
1286 -
1287 1287  = 10. FCC Caution for RS485LN-US915 =
1288 1288  
1289 1289  (((

Applications

Navigation

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