Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 69.1 >
edited by Saxer Lin
on 2023/08/17 18:33
To version < 66.1 >
edited by Saxer Lin
on 2023/08/17 18:31
>
Change comment: Uploaded new attachment "image-20230817183137-1.png", version {1}

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... ... @@ -41,6 +41,7 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,7 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
82 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,7 @@
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  
110 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
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583 583  
584 584  In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 585  
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]]
587 587  
588 -
589 589  ===== 2.3.2.10.a  Uplink, PWM input capture =====
590 590  
591 591  [[image:image-20230817172209-2.png||height="439" width="683"]]
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611 611  
612 612  (% style="color:blue" %)**AT+PWMSET=AA（Default is 0）  ==> Corresponding downlink: 0B AA**
613 613  
614 -When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.  
615 +When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ. 
615 615  
616 -When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ.  
617 +When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. 
617 617  
618 618  
619 619  ===== 2.3.2.10.b  Downlink, PWM output =====
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862 862  ==== 2.3.3.12  PWM 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 -
882 882  ==== 2.3.3.13  Working MOD ====
883 883  
884 884  
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899 899  * 8: MOD9
900 900  * 9: MOD10
901 901  
886 +
902 902  == 2.4 Payload Decoder file ==
903 903  
904 904  
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928 928  * 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]].
929 929  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
930 930  
916 +
931 931  == 3.2 General Commands ==
932 932  
933 933  
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975 975  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
976 976  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
977 977  
964 +
978 978  === 3.3.2 Get Device Status ===
979 979  
980 980  
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1023 1023  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1024 1024  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1025 1025  
1013 +
1026 1026  === 3.3.4 Set Power Output Duration ===
1027 1027  
1028 1028  
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1055 1055  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1056 1056  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1057 1057  
1046 +
1058 1058  === 3.3.5 Set Weighing parameters ===
1059 1059  
1060 1060  
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1080 1080  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1081 1081  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1082 1082  
1072 +
1083 1083  === 3.3.6 Set Digital pulse count value ===
1084 1084  
1085 1085  
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1103 1103  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1104 1104  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1105 1105  
1096 +
1106 1106  === 3.3.7 Set Workmode ===
1107 1107  
1108 1108  
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1127 1127  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1128 1128  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1129 1129  
1121 +
1130 1130  = 4. Battery & Power Consumption =
1131 1131  
1132 1132  
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1152 1152  * (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/]]**
1153 1153  * 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]]**.
1154 1154  
1147 +
1155 1155  = 6. FAQ =
1156 1156  
1157 1157  == 6.1 Where can i find source code of SN50v3-LB? ==
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1160 1160  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1161 1161  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1162 1162  
1156 +
1163 1163  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1164 1164  
1165 1165  
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1199 1199  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1200 1200  * (% style="color:red" %)**NH**(%%): No Hole
1201 1201  
1196 +
1202 1202  = 8. ​Packing Info =
1203 1203  
1204 1204  
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1213 1213  * Package Size / pcs : cm
1214 1214  * Weight / pcs : g
1215 1215  
1211 +
1216 1216  = 9. Support =
1217 1217  
1218 1218  
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