Last modified by Xiaoling on 2025/04/25 08:58
<
From version < 41.12 >
edited by Xiaoling
on 2023/02/01 16:36
To version < 46.1 >
edited by Bei Jinggeng
on 2023/03/20 10:20
>
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1 -XWiki.Xiaoling
1 +XWiki.Bei
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22 22  == 1.1 ​What is SDI-12 to LoRaWAN Converter ==
23 23  
24 24  
25 +(((
25 25  The Dragino (% style="color:blue" %)**SDI-12-LB**(%%) is a (% style="color:blue" %)**SDI-12 to LoRaWAN Converter **(%%)designed for Smart Agriculture solution.
27 +)))
26 26  
29 +(((
27 27  SDI-12 (Serial Digital Interface at 1200 baud) is an asynchronous [[serial communications>>url:https://en.wikipedia.org/wiki/Serial_communication]] protocol for intelligent sensors that monitor environment data. SDI-12 protocol is widely used in Agriculture sensor and Weather Station sensors.
31 +)))
28 28  
33 +(((
29 29  SDI-12-LB has SDI-12 interface and support 12v output to power external SDI-12 sensor. It can get the environment data from SDI-12 sensor and sends out the data via LoRaWAN wireless protocol.
35 +)))
30 30  
37 +(((
31 31  The LoRa wireless technology used in SDI-12-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
39 +)))
32 32  
41 +(((
33 33  SDI-12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
43 +)))
34 34  
45 +(((
35 35  Each SDI-12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
47 +)))
36 36  
37 37  
38 38  [[image:image-20230201084414-1.png||height="464" width="1108"]]
... ... @@ -43,7 +43,7 @@
43 43  
44 44  * LoRaWAN 1.0.3 Class A
45 45  * Ultra-low power consumption
46 -* Controllable 5v and 12v output to power external sensor
58 +* Controllable 3.3v, 5v and 12v output to power external sensor
47 47  * SDI-12 Protocol to connect to SDI-12 Sensor
48 48  * Monitor Battery Level
49 49  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
... ... @@ -65,6 +65,8 @@
65 65  (% style="color:#037691" %)**Common DC Characteristics:**
66 66  
67 67  * Supply Voltage: 2.5v ~~ 3.6v
80 +* Support current: 5V 300mA
81 + 12V 100mA
68 68  * Operating Temperature: -40 ~~ 85°C
69 69  
70 70  (% style="color:#037691" %)**LoRa Spec:**
... ... @@ -120,19 +120,18 @@
120 120  [[image:1675212633011-651.png]]
121 121  
122 122  
123 -
124 124  (% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
125 -|=(% style="width: 167px;" %)**Behavior on ACT**|=(% style="width: 117px;" %)**Function**|=(% style="width: 225px;" %)**Action**
126 -|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:117px" %)Send an uplink|(% style="width:225px" %)(((
138 +|=(% style="width: 167px;" %)**Behavior on ACT**|=(% style="width: 109px;" %)**Function**|=(% style="width: 231px;" %)**Action**
139 +|(% style="width:167px" %)Pressing ACT between 1s < time < 3s|(% style="width:109px" %)Send an uplink|(% style="width:231px" %)(((
127 127  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
128 128  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
129 129  )))
130 -|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:117px" %)Active Device|(% style="width:225px" %)(((
143 +|(% style="width:167px" %)Pressing ACT for more than 3s|(% style="width:109px" %)Active Device|(% style="width:231px" %)(((
131 131  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
132 132  (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
133 133  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
134 134  )))
135 -|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
148 +|(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:109px" %)Deactivate Device|(% style="width:231px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means SDI-12-LB is in Deep Sleep Mode.
136 136  
137 137  == 1.7 Pin Mapping ==
138 138  
... ... @@ -450,7 +450,7 @@
450 450  
451 451  (% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
452 452  
453 -(% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB will resend this command. Max 2 retries.
466 +(% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB will resend this command. Max 3 retries.
454 454  
455 455  (% style="color:red" %)**0 **(%%) No validation check;
456 456  
... ... @@ -477,14 +477,14 @@
477 477  **c**:  define the position for valid value. 
478 478  )))
479 479  
480 -For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895” , Below AT+DATACUT1 will get different result to combine payload:
493 +For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
481 481  
482 482  
483 483  (% border="1" cellspacing="4" style="background-color:#f7faff; width:510px" %)
484 -|(% style="width:170px" %)**AT+DATACUT1 value**|(% style="width:338px" %)**Final Result to combine Payload**
485 -|(% style="width:170px" %)34,1,1+2+3|(% style="width:338px" %)0D 00 01 30 31 33
486 -|(% style="width:170px" %)34,2,1~~8+12~~16|(% style="width:338px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
487 -|(% style="width:170px" %)34,2,1~~34|(% style="width:338px" %)0D 00 01 30 31 33 4D 45 54 45 52 20 20 20 54 45 52 31 32 20 31 31 32 54 31 32 2D 30 30 30 32 34 38 39 35 0D 0A
497 +|=(% style="width: 164px;" %)**AT+DATACUT1 value**|=(% style="width: 344px;" %)**Final Result to combine Payload**
498 +|(% style="width:164px" %)34,1,1+2+3|(% style="width:344px" %)0D 00 01 30 31 33
499 +|(% style="width:164px" %)34,2,1~~8+12~~16|(% style="width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
500 +|(% style="width:164px" %)34,2,1~~34|(% style="width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 20 20 20 54 45 52 31 32 20 31 31 32 54 31 32 2D 30 30 30 32 34 38 39 35 0D 0A
488 488  
489 489  * (% style="color:blue" %)** Downlink Payload:**
490 490  
... ... @@ -499,10 +499,10 @@
499 499  Where:
500 500  
501 501  * (% style="color:#037691" %)**MM **(%%): the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
502 -* (% style="color:#037691" %)**NN **(%%):  1: set the AT+DATACUT value ; 2: set the AT+DATACUT value.
515 +* (% style="color:#037691" %)**NN **(%%):  1: set the AT+COMMAND value ; 2: set the AT+DATACUT value.
503 503  * (% style="color:#037691" %)**LL **(%%):  The length of AT+COMMAND or AT+DATACUT command
504 504  * (% style="color:#037691" %)**XX XX XX XX **(%%): AT+COMMAND or AT+DATACUT command
505 -* (% style="color:#037691" %)**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. 
518 +* (% style="color:#037691" %)**YY **(%%):  If YY=0, SDI-12-LB will execute the downlink command without uplink; if YY=1, SDI-12-LB will execute an uplink after got this command. 
506 506  
507 507  (% style="color:blue" %)**Example:**
508 508  
... ... @@ -509,6 +509,7 @@
509 509  [[image:image-20230201094129-18.png]]
510 510  
511 511  
525 +
512 512  (% style="color:blue" %)**Clear SDI12 Command**
513 513  
514 514  The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
... ... @@ -552,7 +552,6 @@
552 552  
553 553  (% style="color:blue" %)**Compose Uplink**
554 554  
555 -
556 556  (% style="color:#4f81bd" %)**AT+DATAUP=0**
557 557  
558 558  Compose the uplink payload with value returns in sequence and send with **__A SIGNLE UPLINK__**.
... ... @@ -594,15 +594,6 @@
594 594  
595 595  == 2.4 Uplink Payload ==
596 596  
597 -
598 -Uplink payloads have two types:
599 -
600 -* Distance Value: Use FPORT=2
601 -* Other control commands: Use other FPORT fields.
602 -
603 -The application server should parse the correct value based on FPORT settings.
604 -
605 -
606 606  === 2.4.1 Device Payload, FPORT~=5 ===
607 607  
608 608  
... ... @@ -610,10 +610,10 @@
610 610  
611 611  Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
612 612  
613 -(% border="1" cellspacing="4" style="background-color:#f7faff; width:437px" %)
617 +(% border="1" cellspacing="4" style="background-color:#f7faff; width:420px" %)
614 614  |(% colspan="6" style="width:434px" %)**Device Status (FPORT=5)**
615 -|(% style="width:102px" %)**Size (bytes)**|(% style="width:67px" %)**1**|(% style="width:80px" %)**2**|(% style="width:89px" %)**1**|(% style="width:52px" %)**1**|(% style="width:44px" %)**2**
616 -|(% style="width:102px" %)**Value**|(% style="width:67px" %)Sensor Model|(% style="width:80px" %)Firmware Version|(% style="width:89px" %)Frequency Band|(% style="width:52px" %)Sub-band|(% style="width:44px" %)BAT
619 +|(% style="width:114px" %)**Size(bytes)**|(% style="width:39px" %)**1**|(% style="width:80px" %)**2**|(% style="width:89px" %)**1**|(% style="width:59px" %)**1**|(% style="width:37px" %)**2**
620 +|(% style="width:114px" %)**Value**|(% style="width:39px" %)Sensor Model|(% style="width:80px" %)Firmware Version|(% style="width:89px" %)Frequency Band|(% style="width:59px" %)Sub-band|(% style="width:37px" %)BAT
617 617  
618 618  Example parse in TTNv3
619 619  
... ... @@ -682,15 +682,15 @@
682 682  
683 683  * Periodically Uplink: FPORT=2
684 684  
685 -(% border="1" cellspacing="4" style="background-color:#f7faff; width:510px" %)
686 -|(% style="width:93px" %)(((
689 +(% border="1" cellspacing="4" style="background-color:#f7faff; width:500px" %)
690 +|=(% style="width: 90px;" %)(((
687 687  **Size(bytes)**
688 -)))|(% style="width:83px" %)**2**|(% style="width:70px" %)**1**|(% style="width:234px" %)**Length depends on the return from the commands**
692 +)))|=(% style="width: 80px;" %)**2**|=(% style="width: 90px;" %)**1**|=(% style="width: 240px;" %)**Length depends on the return from the commands**
689 689  |(% style="width:93px" %)**Value**|(% style="width:83px" %)(((
690 690  Battery(mV)
691 691  &
692 692  Interrupt_Flag
693 -)))|(% style="width:70px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:234px" %)(((
697 +)))|(% style="width:91px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:212px" %)(((
694 694  If the valid payload is too long and exceed the maximum support.
695 695  Payload length in server,server will show payload not provided in the LoRaWAN server.
696 696  )))
... ... @@ -722,6 +722,7 @@
722 722  
723 723  === 2.4.5 Payload version ===
724 724  
729 +The version number of the payload, mainly used for decoding. The default is 01.
725 725  
726 726  
727 727  === 2.4.6 ​Decode payload in The Things Network ===
... ... @@ -742,18 +742,86 @@
742 742  
743 743  The SDI-12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
744 744  
745 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]]]
750 +[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
746 746  
747 747  
748 -== 2.6 Frequency Plans ==
753 +== 2.6 Examples To Set SDI commands. ==
749 749  
755 +=== 2.6.1 Examples 1 ===
750 750  
757 +
758 +COM port and SDI-12 sensor communication converted to SDI-12-LB and SDI-12 sensor communication.
759 +
760 +[[image:image-20230222143809-1.png||height="564" width="729"]]
761 +
762 +
763 +(% style="color:blue" %)**1) The AT+COMMANDx command is applied to the red arrow part, and sends the SDI12 command to the SDI12 sensor:**
764 +
765 +a. Send the first command and get the first reply：
766 +
767 +(% style="color:#037691" %)**AT+COMMANDx=1I!,0,0,1**
768 +
769 +b. Send the second command and get the second reply：
770 +
771 +(% style="color:#037691" %)**AT+COMMANDx=2I!,0,0,1**
772 +
773 +c. Send the third command and get the third reply：
774 +
775 +(% style="color:#037691" %)**AT+COMMANDx=3I!,0,0,1**
776 +
777 +d. Send the fourth command and get the fourth reply：
778 +
779 +(% style="color:#037691" %)**AT+COMMANDx=4I!,0,0,1**
780 +
781 +e. Send the fifth command plus the sixth command, get the sixth reply：
782 +
783 +(% style="color:#037691" %)**AT+COMMANDx=1M!,2,1,1**
784 +
785 +f. Send the seventh command plus the eighth command, get the eighth reply：
786 +
787 +(% style="color:#037691" %)**AT+COMMANDx=2M!,2,1,1**
788 +
789 +g. Send the ninth command plus the tenth command, get the tenth reply：
790 +
791 +(% style="color:#037691" %)**AT+COMMANDx=3M!,1,1,1**
792 +
793 +h. Send the eleventh command plus the twelfth command, get the twelfth reply：
794 +
795 +(% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
796 +
797 +
798 +(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor：**
799 +
800 +a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
801 +
802 +Cut out all characters: (% style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**;
803 +
804 +b. The sixth reply, all 31 characters：”1+19210+1.04+0.00+22.49+11.75<CR><LF>”
805 +
806 +Cut out all characters: (% style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**;
807 +
808 +c. The eighth reply, all 31 characters：”2+18990+1.08+0.00+22.24+11.80<CR><LF>”
809 +
810 +Cut out all characters: (% style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**;
811 +
812 +d. The tenth reply, all 15 characters：”3-2919.8+24.0<CR><LF>”
813 +
814 +Cut out all characters: (% style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**;
815 +
816 +e. The twelfth reply, all 25 characters：”4+30.8+22.84+4.7+954.38<CR><LF>”
817 +
818 +Partial cut, the cut sensor address and the first two parameters：(% style="color:#037691" %)**AT+DATACUTx=25,2,1~~12, cut out the character field ” 4+30.8+22.84”**.
819 +
820 +
821 +== 2.7 Frequency Plans ==
822 +
823 +
751 751  The SDI-12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
752 752  
753 753  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
754 754  
755 755  
756 -== 2.7 Firmware Change Log ==
829 +== 2.8 Firmware Change Log ==
757 757  
758 758  
759 759  **Firmware download link:**
... ... @@ -760,7 +760,6 @@
760 760  
761 761  [[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
762 762  
763 -
764 764  
765 765  = 3. Configure SDI-12-LB via AT Command or LoRaWAN Downlink =
766 766  
... ... @@ -789,7 +789,7 @@
789 789  These commands only valid for SDI-12-LB, as below:
790 790  
791 791  
792 -== ​​​​​​​3.1 Set Transmit Interval Time ==
864 +== 3.1 Set Transmit Interval Time ==
793 793  
794 794  
795 795  Feature: Change LoRaWAN End Node Transmit Interval.
... ... @@ -830,14 +830,14 @@
830 830  |(% style="width:156px" %)AT+INTMOD=?|(% style="width:187px" %)Show current interrupt mode|(% style="width:165px" %)(((
831 831  0
832 832  OK
833 -the mode is 0 = No interruption
905 +the mode is 0 = Disable Interrupt
834 834  )))
835 835  |(% style="width:156px" %)AT+INTMOD=2|(% style="width:187px" %)(((
836 836  Set Transmit Interval
837 -~1. (Disable Interrupt),
838 -2. (Trigger by rising and falling edge)
839 -3. (Trigger by falling edge)
840 -4. (Trigger by rising edge)
909 +0. (Disable Interrupt),
910 +~1. (Trigger by rising and falling edge)
911 +2. (Trigger by falling edge)
912 +3. (Trigger by rising edge)
841 841  )))|(% style="width:165px" %)OK
842 842  
843 843  (% style="color:blue" %)**Downlink Command: 0x06**
... ... @@ -976,6 +976,7 @@
976 976  
977 977  == 3.6 Set the payload version ==
978 978  
1051 +
979 979  Feature, Set the payload version.
980 980  
981 981  (% style="color:blue" %)**AT Command: AT+PAYVER**
... ... @@ -1109,10 +1109,15 @@
1109 1109  = 8. ​Order Info =
1110 1110  
1111 1111  
1185 +(((
1112 1112  (% style="color:blue" %)**Part Number: SDI-12-LB-XXX**
1187 +)))
1113 1113  
1189 +(((
1114 1114  XXX: The default frequency band
1191 +)))
1115 1115  
1193 +(((
1116 1116  (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1117 1117  (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1118 1118  (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
... ... @@ -1121,6 +1121,7 @@
1121 1121  (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1122 1122  (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1123 1123  (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1202 +)))
1124 1124  
1125 1125  
1126 1126  = 9. Packing Info =
image-20230222143809-1.png
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