Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 71.1 >
edited by Saxer Lin
on 2023/08/18 09:21
To version < 61.1 >
edited by Saxer Lin
on 2023/08/17 17:22
>
Change comment: Uploaded new attachment "image-20230817172209-2.png", version {1}

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... ... @@ -41,6 +41,8 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
45 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,8 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
83 +
84 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,8 @@
105 105  )))
106 106  |(% 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 device is in Deep Sleep Mode.
107 107  
112 +
113 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
... ... @@ -579,63 +579,6 @@
579 579  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
580 580  
581 581  
582 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 -
584 -In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 -
586 -[[It should be noted when using PWM mode.>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H2.3.3.12A0PWMMOD]]
587 -
588 -
589 -===== 2.3.2.10.a  Uplink, PWM input capture =====
590 -
591 -[[image:image-20230817172209-2.png||height="439" width="683"]]
592 -
593 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
594 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:135px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:89px" %)**2**
595 -|Value|Bat|(% style="width:191px" %)(((
596 -Temperature(DS18B20)(PC13)
597 -)))|(% style="width:78px" %)(((
598 -ADC(PA4)
599 -)))|(% style="width:135px" %)(((
600 -PWM_Setting
601 -
602 -&Digital Interrupt(PA8)
603 -)))|(% style="width:70px" %)(((
604 -Pulse period
605 -)))|(% style="width:89px" %)(((
606 -Duration of high level
607 -)))
608 -
609 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
610 -
611 -
612 -(% style="color:blue" %)**AT+PWMSET=AA（Default is 0）  ==> Corresponding downlink: 0B AA**
613 -
614 -When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.  
615 -
616 -When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ.  
617 -
618 -
619 -===== 2.3.2.10.b  Downlink, PWM output =====
620 -
621 -[[image:image-20230817173800-3.png||height="412" width="685"]]
622 -
623 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
624 -
625 - xx xx xx is the output frequency, the unit is HZ.
626 -
627 - yy is the duty cycle of the output, the unit is %.
628 -
629 - zz zz is the time delay of the output, the unit is ms.
630 -
631 -
632 -For example, send a downlink command: 0B 00 61 A8 32 13 88, the frequency is 25KHZ, the duty cycle is 50, and the output time is 5 seconds.
633 -
634 -The oscilloscope displays as follows:
635 -
636 -[[image:image-20230817173858-5.png||height="694" width="921"]]
637 -
638 -
639 639  === 2.3.3  ​Decode payload ===
640 640  
641 641  
... ... @@ -859,30 +859,9 @@
859 859  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]]
860 860  
861 861  
862 -==== 2.3.3.12  PWM MOD ====
811 +==== 2.3.3.12  Working MOD ====
863 863  
864 864  
865 -* (((
866 -The maximum voltage that the SDA pin of SN50v3 can withstand is 3.6V, and it cannot exceed this voltage value, otherwise the chip may be burned.
867 -)))
868 -* (((
869 -If the PWM pin connected to the SDA pin cannot maintain a high level when it is not working, you need to remove the resistor R2 or replace it with a resistor with a larger resistance, otherwise a sleep current of about 360uA will be generated. The position of the resistor is shown in the figure below:
870 -)))
871 -
872 - [[image:image-20230817183249-3.png||height="320" width="417"]]
873 -
874 -* (((
875 -The signal captured by the input should preferably be processed by hardware filtering and then connected in. The software processing method is to capture four values, discard the first captured value, and then take the middle value of the second, third, and fourth captured values.
876 -)))
877 -* (((
878 -Since the device can only detect a pulse period of 50ms when AT+PWMSET=0 (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
879 -
880 -
881 -)))
882 -
883 -==== 2.3.3.13  Working MOD ====
884 -
885 -
886 886  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
887 887  
888 888  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -898,8 +898,9 @@
898 898  * 6: MOD7
899 899  * 7: MOD8
900 900  * 8: MOD9
901 -* 9: MOD10
902 902  
830 +
831 +
903 903  == 2.4 Payload Decoder file ==
904 904  
905 905  
... ... @@ -929,6 +929,8 @@
929 929  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
930 930  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
931 931  
861 +
862 +
932 932  == 3.2 General Commands ==
933 933  
934 934  
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976 976  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
977 977  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
978 978  
910 +
911 +
979 979  === 3.3.2 Get Device Status ===
980 980  
981 981  
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1024 1024  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1025 1025  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1026 1026  
960 +
961 +
1027 1027  === 3.3.4 Set Power Output Duration ===
1028 1028  
1029 1029  
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1056 1056  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1057 1057  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1058 1058  
994 +
995 +
1059 1059  === 3.3.5 Set Weighing parameters ===
1060 1060  
1061 1061  
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1081 1081  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1082 1082  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1083 1083  
1021 +
1022 +
1084 1084  === 3.3.6 Set Digital pulse count value ===
1085 1085  
1086 1086  
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1104 1104  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1105 1105  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1106 1106  
1046 +
1047 +
1107 1107  === 3.3.7 Set Workmode ===
1108 1108  
1109 1109  
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1128 1128  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1129 1129  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1130 1130  
1072 +
1073 +
1131 1131  = 4. Battery & Power Consumption =
1132 1132  
1133 1133  
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1153 1153  * (Recommanded way) OTA firmware update via wireless: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
1154 1154  * Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1155 1155  
1099 +
1100 +
1156 1156  = 6. FAQ =
1157 1157  
1158 1158  == 6.1 Where can i find source code of SN50v3-LB? ==
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1161 1161  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1162 1162  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1163 1163  
1109 +
1110 +
1164 1164  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1165 1165  
1166 1166  
... ... @@ -1200,6 +1200,8 @@
1200 1200  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1201 1201  * (% style="color:red" %)**NH**(%%): No Hole
1202 1202  
1150 +
1151 +
1203 1203  = 8. ​Packing Info =
1204 1204  
1205 1205  
... ... @@ -1214,6 +1214,8 @@
1214 1214  * Package Size / pcs : cm
1215 1215  * Weight / pcs : g
1216 1216  
1166 +
1167 +
1217 1217  = 9. Support =
1218 1218  
1219 1219  
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