Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 58.5 >
edited by Xiaoling
on 2022/06/06 11:21
To version < 60.13 >
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)
... ... @@ -103,7 +103,6 @@
103 103  * Support Modbus protocol
104 104  * Support Interrupt uplink (Since hardware version v1.2)
105 105  
106 -
107 107  == 1.4 Applications ==
108 108  
109 109  * Smart Buildings & Home Automation
... ... @@ -113,7 +113,6 @@
113 113  * Smart Cities
114 114  * Smart Factory
115 115  
116 -
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  
189 +
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.
195 +(% 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  
205 +
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.
212 +**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  
229 +
230 +**Add APP KEY and DEV EUI**
231 +
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.
236 +(% 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.
246 +(((
247 +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  )))
249 +)))
240 240  
241 241  (((
252 +(((
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
254 +)))
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" %)(((
334 +(((
323 323  This command is used to configure the RS485/TTL devices; they won’t be used during sampling.
336 +)))
324 324  
338 +(((
325 325  AT+CFGDEV=xx xx xx xx xx xx xx xx xx xx xx xx,
340 +)))
326 326  
342 +(((
327 327  mm: 0: no CRC, 1: add CRC-16/MODBUS in the end of this command
344 +)))
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:**
360 +(% 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:
375 +(% 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**
379 +(% 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.
391 +(% 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:
404 +* (% style="color:#037691" %)**Grab bytes**
389 389  
390 390  [[image:image-20220602153621-1.png]]
391 391  
392 392  
393 -* Grab a section.
409 +* (% style="color:#037691" %)**Grab a section**
394 394  
395 395  [[image:image-20220602153621-2.png]]
396 396  
397 397  
398 -* Grab different sections.
414 +* (% style="color:#037691" %)**Grab different sections**
399 399  
400 400  [[image:image-20220602153621-3.png]]
401 401  
418 +
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 ==
527 +== 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
... ... @@ -548,6 +548,7 @@
548 548  
549 549  
550 550  
568 +
551 551  ==== **RS485 Debug Command** ====
552 552  
553 553  (((
... ... @@ -668,10 +668,11 @@
668 668  
669 669  
670 670  
689 +
671 671  ==== **Set Payload version** ====
672 672  
673 673  (((
674 -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.
693 +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.
675 675  )))
676 676  
677 677  * (((
... ... @@ -699,66 +699,129 @@
699 699  
700 700  
701 701  
721 +
702 702  ==== **Set RS485 Sampling Commands** ====
703 703  
724 +(((
704 704  AT+COMMANDx or AT+DATACUTx
726 +)))
705 705  
728 +(((
706 706  These three commands are used to configure how the RS485-LN polling data from Modbus device. Detail of usage please see : [[polling RS485 device>>||anchor="H3.3.3Configurereadcommandsforeachsampling"]].
730 +)))
707 707  
732 +(((
733 +
734 +)))
708 708  
709 -* **AT Command:**
736 +* (((
737 +**AT Command:**
738 +)))
710 710  
711 711  (% class="box infomessage" %)
712 712  (((
742 +(((
713 713  **AT+COMMANDx: Configure RS485 read command to sensor.**
714 714  )))
745 +)))
715 715  
716 716  (% class="box infomessage" %)
717 717  (((
749 +(((
718 718  **AT+DATACUTx: Configure how to handle return from RS485 devices.**
719 719  )))
752 +)))
720 720  
754 +(((
755 +
756 +)))
721 721  
722 -* **Downlink Payload:**
758 +* (((
759 +**Downlink Payload:**
760 +)))
723 723  
762 +(((
724 724  **0xAF** downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
764 +)))
725 725  
766 +(((
726 726  (% style="color:red" %)**Note**(%%): if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.
768 +)))
727 727  
770 +(((
728 728  Format: AF MM NN LL XX XX XX XX YY
772 +)))
729 729  
774 +(((
730 730  Where:
776 +)))
731 731  
732 -* MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
733 -* NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
734 -* LL:  The length of AT+COMMAND or AT+DATACUT command
735 -* XX XX XX XX: AT+COMMAND or AT+DATACUT command
736 -* 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.
778 +* (((
779 +MM: the ATCOMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
780 +)))
781 +* (((
782 +NN:  0: no CRC; 1: add CRC-16/MODBUS ; 2: set the AT+DATACUT value.
783 +)))
784 +* (((
785 +LL:  The length of AT+COMMAND or AT+DATACUT command
786 +)))
787 +* (((
788 +XX XX XX XX: AT+COMMAND or AT+DATACUT command
789 +)))
790 +* (((
791 +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.
792 +)))
737 737  
794 +(((
738 738  **Example:**
796 +)))
739 739  
798 +(((
740 740  (% style="color:#037691" %)**AF 03 01 06 0A 05 00 04 00 01 00**(%%): Same as AT+COMMAND3=0A 05 00 04 00 01,1
800 +)))
741 741  
802 +(((
742 742  (% style="color:#037691" %)**AF 03 02 06**(% style="color:orange" %)** 10 **(% style="color:red" %)**01 **(% style="color:green" %)**05 06 09 0A**(% style="color:#037691" %)** 00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**16**(%%),(% style="color:red" %)**1**(%%),(% style="color:green" %)**5+6+9+10**
804 +)))
743 743  
806 +(((
744 744  (% style="color:#037691" %)**AF 03 02 06 **(% style="color:orange" %)**0B**(% style="color:red" %)** 02 **(% style="color:green" %)**05 07 08 0A **(% style="color:#037691" %)**00**(%%): Same as AT+DATACUT3=(% style="color:orange" %)**11**(%%),(% style="color:red" %)**2**(%%),(% style="color:green" %)**5~~7+8~~10**
808 +)))
745 745  
746 746  
747 747  
812 +
748 748  ==== **Fast command to handle MODBUS device** ====
749 749  
815 +(((
750 750  AT+MBFUN is valid since v1.3 firmware version. The command is for fast configure to read Modbus devices. It is only valid for the devices which follow the [[MODBUS-RTU protocol>>url:https://www.modbustools.com/modbus.html]].
817 +)))
751 751  
819 +(((
752 752  This command is valid since v1.3 firmware version
821 +)))
753 753  
823 +(((
754 754  AT+MBFUN can auto read the Modbus function code: 01, 02, 03 or 04. AT+MBFUN has lower priority vs AT+DATACUT command. If AT+DATACUT command is configured, AT+MBFUN will be ignore.
825 +)))
755 755  
827 +(((
828 +
829 +)))
756 756  
831 +(((
757 757  **Example:**
833 +)))
758 758  
759 -* AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
760 -* AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
761 -* AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
835 +* (((
836 +AT+MBFUN=1 and AT+DATACUT1/AT+DATACUT2 are not configure (0,0,0). So RS485-LN.
837 +)))
838 +* (((
839 +AT+COMMAND1= 01 03 00 10 00 08,1 ~-~-> read slave address 01 , function code 03, start address 00 01, quantity of registers 00 08.
840 +)))
841 +* (((
842 +AT+COMMAND2= 01 02 00 40 00 10,1 ~-~-> read slave address 01 , function code 02, start address 00 40, quantity of inputs 00 10.
843 +)))
762 762  
763 763  [[image:image-20220602165351-6.png]]
764 764  
... ... @@ -766,200 +766,374 @@
766 766  
767 767  
768 768  
851 +
769 769  ==== **RS485 command timeout** ====
770 770  
854 +(((
771 771  Some Modbus device has slow action to send replies. This command is used to configure the RS485-LN to use longer time to wait for their action.
856 +)))
772 772  
858 +(((
773 773  Default value: 0, range:  0 ~~ 65 seconds
860 +)))
774 774  
775 -* **AT Command:**
862 +* (((
863 +**AT Command:**
864 +)))
776 776  
777 777  (% class="box infomessage" %)
778 778  (((
868 +(((
779 779  **AT+CMDDLaa=hex(bb cc)*1000**
780 780  )))
871 +)))
781 781  
873 +(((
782 782  **Example:**
875 +)))
783 783  
877 +(((
784 784  **AT+CMDDL1=1000** to send the open time to 1000ms
879 +)))
785 785  
881 +(((
882 +
883 +)))
786 786  
787 -* **Downlink Payload:**
885 +* (((
886 +**Downlink Payload:**
887 +)))
788 788  
889 +(((
789 789  **0x AA aa bb cc**
891 +)))
790 790  
893 +(((
791 791  Same as: AT+CMDDLaa=hex(bb cc)*1000
895 +)))
792 792  
897 +(((
793 793   **Example:**
899 +)))
794 794  
901 +(((
795 795   0xAA 01 00 01  ~-~-> Same as **AT+CMDDL1=1000 ms**
903 +)))
796 796  
797 797  
798 798  
907 +
799 799  ==== **Uplink payload mode** ====
800 800  
910 +(((
801 801  Define to use one uplink or multiple uplinks for the sampling.
912 +)))
802 802  
914 +(((
803 803  The use of this command please see: [[Compose Uplink payload>>||anchor="H3.3.4Composetheuplinkpayload"]]
916 +)))
804 804  
805 -* **AT Command:**
918 +* (((
919 +**AT Command:**
920 +)))
806 806  
807 807  (% class="box infomessage" %)
808 808  (((
924 +(((
809 809  **AT+DATAUP=0**
810 810  )))
927 +)))
811 811  
812 812  (% class="box infomessage" %)
813 813  (((
931 +(((
814 814  **AT+DATAUP=1**
815 815  )))
934 +)))
816 816  
936 +(((
937 +
938 +)))
817 817  
818 -* **Downlink Payload:**
940 +* (((
941 +**Downlink Payload:**
942 +)))
819 819  
944 +(((
820 820  **0xAD 00**  **~-~->** Same as AT+DATAUP=0
946 +)))
821 821  
948 +(((
822 822  **0xAD 01**  **~-~->** Same as AT+DATAUP=1
950 +)))
823 823  
824 824  
825 825  
954 +
826 826  ==== **Manually trigger an Uplink** ====
827 827  
957 +(((
828 828  Ask device to send an uplink immediately.
959 +)))
829 829  
830 -* **AT Command:**
961 +* (((
962 +**AT Command:**
963 +)))
831 831  
965 +(((
832 832  No AT Command for this, user can press the [[ACT button>>||anchor="H3.7Buttons"]] for 1 second for the same.
967 +)))
833 833  
969 +(((
970 +
971 +)))
834 834  
835 -* **Downlink Payload:**
973 +* (((
974 +**Downlink Payload:**
975 +)))
836 836  
977 +(((
837 837  **0x08 FF**, RS485-LN will immediately send an uplink.
979 +)))
838 838  
839 839  
840 840  
983 +
841 841  ==== **Clear RS485 Command** ====
842 842  
986 +(((
843 843  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
988 +)))
844 844  
845 -* **AT Command:**
990 +* (((
991 +**AT Command:**
992 +)))
846 846  
994 +(((
847 847  **AT+CMDEAR=mm,nn**   mm: start position of erase ,nn: stop position of erase
996 +)))
848 848  
998 +(((
849 849  Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
1000 +)))
850 850  
1002 +(((
851 851  Example screen shot after clear all RS485 commands. 
1004 +)))
852 852  
1006 +(((
1007 +
1008 +)))
853 853  
1010 +(((
854 854  The uplink screen shot is:
1012 +)))
855 855  
856 856  [[image:1654160691922-496.png]]
857 857  
858 858  
859 -* **Downlink Payload:**
1017 +* (((
1018 +**Downlink Payload:**
1019 +)))
860 860  
1021 +(((
861 861  **0x09 aa bb** same as AT+CMDEAR=aa,bb
1023 +)))
862 862  
863 863  
864 864  
1027 +
865 865  ==== **Set Serial Communication Parameters** ====
866 866  
1030 +(((
867 867  Set the Rs485 serial communication parameters:
1032 +)))
868 868  
869 -* **AT Command:**
1034 +* (((
1035 +**AT Command:**
1036 +)))
870 870  
1038 +(((
871 871  Set Baud Rate:
1040 +)))
872 872  
873 873  (% class="box infomessage" %)
874 874  (((
1044 +(((
875 875  **AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
876 876  )))
1047 +)))
877 877  
1049 +(((
878 878  Set UART Parity
1051 +)))
879 879  
880 880  (% class="box infomessage" %)
881 881  (((
1055 +(((
882 882  **AT+PARITY=0**    ~/~/ Option: 0: no parity, 1: odd parity, 2: even parity
883 883  )))
1058 +)))
884 884  
1060 +(((
885 885  Set STOPBIT
1062 +)))
886 886  
887 887  (% class="box infomessage" %)
888 888  (((
1066 +(((
889 889  **AT+STOPBIT=0**    ~/~/ Option: 0 for 1bit; 1 for 1.5 bit ; 2 for 2 bits
890 890  )))
1069 +)))
891 891  
1071 +(((
1072 +
1073 +)))
892 892  
893 -* **Downlink Payload:**
1075 +* (((
1076 +**Downlink Payload:**
1077 +)))
894 894  
1079 +(((
895 895  **A7 01 aa bb**: Same  AT+BAUDR=hex(aa bb)*100
1081 +)))
896 896  
1083 +(((
897 897  **Example:**
1085 +)))
898 898  
899 -* A7 01 00 60   same as AT+BAUDR=9600
900 -* A7 01 04 80  same as AT+BAUDR=115200
1087 +* (((
1088 +A7 01 00 60   same as AT+BAUDR=9600
1089 +)))
1090 +* (((
1091 +A7 01 04 80  same as AT+BAUDR=115200
1092 +)))
901 901  
1094 +(((
902 902  A7 02 aa: Same as  AT+PARITY=aa  (aa value: 00 , 01 or 02)
1096 +)))
903 903  
1098 +(((
904 904  A7 03 aa: Same as  AT+STOPBIT=aa  (aa value: 00 , 01 or 02)
1100 +)))
905 905  
906 906  
1103 +
1104 +
907 907  == 3.6 Listening mode for RS485 network ==
908 908  
1107 +(((
909 909  This feature support since firmware v1.4
1109 +)))
910 910  
1111 +(((
911 911  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.
1113 +)))
912 912  
913 913  [[image:image-20220602171200-8.png||height="567" width="1007"]]
914 914  
1117 +(((
915 915  To enable the listening mode, use can run the command AT+RXMODE.
1119 +)))
916 916  
1121 +(((
1122 +
1123 +)))
917 917  
918 -(% border="1" style="background-color:#ffffcc; width:500px" %)
919 -|=(% style="width: 161px;" %)**Command example:**|=(% style="width: 337px;" %)**Function**
920 -|(% 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.
921 -|(% 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
922 -|(% style="width:161px" %)AT+RXMODE=0,0|(% style="width:337px" %)Disable listening mode. This is the default settings.
923 -|(% style="width:161px" %) |(% style="width:337px" %)A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 ~| cc)
1125 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:500px" %)
1126 +|=(% style="width: 100px;" %)(((
1127 +**Command example**
1128 +)))|=(% style="width: 400px;" %)(((
1129 +**Function**
1130 +)))
1131 +|(% style="width:100px" %)(((
1132 +AT+RXMODE=1,10
1133 +)))|(% style="width:400px" %)(((
1134 +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.
1135 +)))
1136 +|(% style="width:100px" %)(((
1137 +AT+RXMODE=2,500
1138 +)))|(% style="width:400px" %)(((
1139 +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
1140 +)))
1141 +|(% style="width:100px" %)(((
1142 +AT+RXMODE=0,0
1143 +)))|(% style="width:400px" %)(((
1144 +Disable listening mode. This is the default settings.
1145 +)))
1146 +|(% style="width:100px" %)(((
1147 +
1148 +)))|(% style="width:400px" %)(((
1149 +A6 aa bb cc  same as AT+RXMODE=aa,(bb<<8 | cc)
1150 +)))
924 924  
1152 +(((
925 925  **Downlink Command:**
1154 +)))
926 926  
1156 +(((
927 927  **0xA6 aa bb cc ** same as AT+RXMODE=aa,(bb<<8 | cc)
1158 +)))
928 928  
1160 +(((
1161 +
1162 +)))
929 929  
1164 +(((
930 930  **Example**:
1166 +)))
931 931  
1168 +(((
932 932  The RS485-LN is set to AT+RXMODE=2,1000
1170 +)))
933 933  
1172 +(((
934 934  There is a two Modbus commands in the RS485 network as below:
1174 +)))
935 935  
1176 +(((
936 936  The Modbus master send a command: (% style="background-color:#ffc000" %)01 03 00 00 00 02 c4 0b
1178 +)))
937 937  
1180 +(((
938 938  And Modbus slave reply with: (% style="background-color:green" %)01 03 04 00 00 00 00 fa 33
1182 +)))
939 939  
1184 +(((
940 940  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
1186 +)))
941 941  
1188 +(((
942 942  [[image:image-20220602171200-9.png]]
1190 +)))
943 943  
1192 +(((
1193 +
1194 +)))
944 944  
1196 +(((
1197 +(((
945 945  (% 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.
1199 +)))
1200 +)))
946 946  
947 947  
948 948  == 3.7 Buttons ==
949 949  
950 950  
951 -(% border="1" style="background-color:#f7faff; width:500px" %)
952 -|=**Button**|=(% style="width: 1420px;" %)**Feature**
953 -|**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**
954 -|**RST**|(% style="width:1420px" %)Reboot RS485
955 -|**PRO**|(% style="width:1420px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1206 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1207 +|=(% style="width: 50px;" %)**Button**|=(% style="width: 361px;" %)**Feature**
1208 +|(% 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**
1209 +|(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1210 +|(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
956 956  
957 957  == 3.8 LEDs ==
958 958  
959 -(% border="1" style="background-color:#f7faff; width:500px" %)
960 -|=**LEDs**|=**Feature**
1214 +
1215 +(% border="1" cellspacing="10" style="background-color:#f7faff; width:430px" %)
1216 +|=(% style="width: 50px;" %)**LEDs**|=(% style="width: 380px;" %)**Feature**
961 961  |**PWR**|Always on if there is power
962 -|**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.
1218 +|**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.
963 963  
964 964  = 4. Case Study =
965 965  
... ... @@ -970,19 +970,26 @@
970 970  
971 971  == 5.1 Access AT Command ==
972 972  
973 -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.
1229 +(((
1230 +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.
1231 +)))
974 974  
975 975  [[image:1654162355560-817.png]]
976 976  
977 977  
978 -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:
1236 +(((
1237 +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:
1238 +)))
979 979  
980 980  [[image:1654162368066-342.png]]
981 981  
982 982  
1243 +(((
983 983  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/]]
1245 +)))
984 984  
985 985  
1248 +
986 986  == 5.2 Common AT Command Sequence ==
987 987  
988 988  === 5.2.1 Multi-channel ABP mode (Use with SX1301/LG308) ===
... ... @@ -1005,7 +1005,9 @@
1005 1005  )))
1006 1006  
1007 1007  
1271 +(((
1008 1008  If device already joined network:
1273 +)))
1009 1009  
1010 1010  (% class="box infomessage" %)
1011 1011  (((
... ... @@ -1044,10 +1044,12 @@
1044 1044  
1045 1045  (% style="color:red" %)**Note:**
1046 1046  
1312 +(((
1047 1047  (% style="color:red" %)1. Make sure the device is set to ABP mode in the IoT Server.
1048 1048  2. Make sure the LG01/02 gateway RX frequency is exactly the same as AT+CHS setting.
1049 1049  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.
1050 1050  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
1317 +)))
1051 1051  
1052 1052  [[image:1654162478620-421.png]]
1053 1053  
... ... @@ -1056,25 +1056,45 @@
1056 1056  
1057 1057  == 6.1 How to upgrade the image? ==
1058 1058  
1326 +(((
1059 1059  The RS485-LN LoRaWAN Controller is shipped with a 3.5mm cable, the cable is used to upload image to RS485-LN to:
1328 +)))
1060 1060  
1061 -* Support new features
1062 -* For bug fix
1063 -* Change LoRaWAN bands.
1330 +* (((
1331 +Support new features
1332 +)))
1333 +* (((
1334 +For bug fix
1335 +)))
1336 +* (((
1337 +Change LoRaWAN bands.
1338 +)))
1064 1064  
1340 +(((
1065 1065  Below shows the hardware connection for how to upload an image to RS485-LN:
1342 +)))
1066 1066  
1067 1067  [[image:1654162535040-878.png]]
1068 1068  
1346 +(((
1069 1069  **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]].
1348 +)))
1070 1070  
1350 +(((
1071 1071  **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]].
1352 +)))
1072 1072  
1354 +(((
1073 1073  **Step3: **Open flashloader; choose the correct COM port to update.
1356 +)))
1074 1074  
1075 1075  (((
1359 +(((
1360 +(((
1076 1076  (% 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.
1077 1077  )))
1363 +)))
1364 +)))
1078 1078  
1079 1079  
1080 1080  [[image:image-20220602175818-12.png]]
... ... @@ -1096,9 +1096,9 @@
1096 1096  User can follow the introduction for [[how to upgrade image>>||anchor="H6.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download.
1097 1097  
1098 1098  
1099 -== 6.3 How many RS485-Slave can RS485-BL connects? ==
1386 +== 6.3 How many RS485-Slave can RS485-LN connects? ==
1100 1100  
1101 -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"]].
1388 +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"]].
1102 1102  
1103 1103  
1104 1104  == 6.4 Compatible question to ChirpStack and TTI LoRaWAN server ? ==
... ... @@ -1137,7 +1137,6 @@
1137 1137  * (% style="color:blue" %)**RU864**(%%): frequency bands RU864
1138 1138  * (% style="color:blue" %)**KZ865**(%%): frequency bands KZ865
1139 1139  
1140 -
1141 1141  = 9.Packing Info =
1142 1142  
1143 1143  
... ... @@ -1154,7 +1154,6 @@
1154 1154  * Package Size / pcs : 14.5 x 8 x 5 cm
1155 1155  * Weight / pcs : 170g
1156 1156  
1157 -
1158 1158  = 10. FCC Caution for RS485LN-US915 =
1159 1159  
1160 1160  (((

Applications

Navigation

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