Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 64.1 >
edited by Saxer Lin
on 2023/08/17 17:38
To version < 73.1 >
edited by Saxer Lin
on 2023/08/18 09:50
>
Change comment: There is no comment for this version

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... ... @@ -41,8 +41,6 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 -
45 -
46 46  == 1.3 Specification ==
47 47  
48 48  
... ... @@ -80,8 +80,6 @@
80 80  * Sleep Mode: 5uA @ 3.3v
81 81  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
82 82  
83 -
84 -
85 85  == 1.4 Sleep mode and working mode ==
86 86  
87 87  
... ... @@ -109,8 +109,6 @@
109 109  )))
110 110  |(% 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.
111 111  
112 -
113 -
114 114  == 1.6 BLE connection ==
115 115  
116 116  
... ... @@ -585,6 +585,93 @@
585 585  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
586 586  
587 587  
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 +When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
613 +
614 +Frequency：
615 +
616 +(% class="MsoNormal" %)
617 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=0 ,**
618 +
619 +(((
620 +
621 +
622 +(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 +)))
624 +
625 +(% class="MsoNormal" %)
626 +(% lang="EN-US" %)If (% style="background-attachment:initial; background-clip:initial; background-image:initial; background-origin:initial; background-position:initial; background-repeat:initial; background-size:initial; color:blue; font-family:Arial,sans-serif" %)**AT+PWMSET**(%%)**=1 ,**
627 +
628 +(((
629 +
630 +
631 +(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632 +)))
633 +
634 +(% class="MsoNormal" %)
635 +Duty cycle:
636 +
637 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
638 +
639 +
640 +
641 +(((
642 +
643 +)))
644 +
645 +
646 +[[image:image-20230818092200-1.png||height="344" width="627"]]
647 +
648 +
649 +===== 2.3.2.10.b  Downlink, PWM output =====
650 +
651 +[[image:image-20230817173800-3.png||height="412" width="685"]]
652 +
653 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
654 +
655 + xx xx xx is the output frequency, the unit is HZ.
656 +
657 + yy is the duty cycle of the output, the unit is %.
658 +
659 + zz zz is the time delay of the output, the unit is ms.
660 +
661 +
662 +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.
663 +
664 +The oscilloscope displays as follows:
665 +
666 +[[image:image-20230817173858-5.png||height="694" width="921"]]
667 +
668 +
588 588  === 2.3.3  ​Decode payload ===
589 589  
590 590  
... ... @@ -808,9 +808,30 @@
808 808  [[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"]]
809 809  
810 810  
811 -==== 2.3.3.12  Working MOD ====
892 +==== 2.3.3.12  PWM MOD ====
812 812  
813 813  
895 +* (((
896 +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.
897 +)))
898 +* (((
899 +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:
900 +)))
901 +
902 + [[image:image-20230817183249-3.png||height="320" width="417"]]
903 +
904 +* (((
905 +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.
906 +)))
907 +* (((
908 +Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB/#H3.3.8PWMsetting]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
909 +
910 +
911 +)))
912 +
913 +==== 2.3.3.13  Working MOD ====
914 +
915 +
814 814  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
815 815  
816 816  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -826,9 +826,8 @@
826 826  * 6: MOD7
827 827  * 7: MOD8
828 828  * 8: MOD9
931 +* 9: MOD10
829 829  
830 -
831 -
832 832  == 2.4 Payload Decoder file ==
833 833  
834 834  
... ... @@ -858,8 +858,6 @@
858 858  * 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]].
859 859  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
860 860  
861 -
862 -
863 863  == 3.2 General Commands ==
864 864  
865 865  
... ... @@ -907,8 +907,6 @@
907 907  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
908 908  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
909 909  
910 -
911 -
912 912  === 3.3.2 Get Device Status ===
913 913  
914 914  
... ... @@ -957,8 +957,6 @@
957 957  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
958 958  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
959 959  
960 -
961 -
962 962  === 3.3.4 Set Power Output Duration ===
963 963  
964 964  
... ... @@ -991,8 +991,6 @@
991 991  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
992 992  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
993 993  
994 -
995 -
996 996  === 3.3.5 Set Weighing parameters ===
997 997  
998 998  
... ... @@ -1018,8 +1018,6 @@
1018 1018  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1019 1019  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1020 1020  
1021 -
1022 -
1023 1023  === 3.3.6 Set Digital pulse count value ===
1024 1024  
1025 1025  
... ... @@ -1043,8 +1043,6 @@
1043 1043  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1044 1044  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1045 1045  
1046 -
1047 -
1048 1048  === 3.3.7 Set Workmode ===
1049 1049  
1050 1050  
... ... @@ -1070,7 +1070,32 @@
1070 1070  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1071 1071  
1072 1072  
1162 +=== 3.3.8 PWM setting ===
1073 1073  
1164 +Feature: Set the time acquisition unit for PWM input capture.
1165 +
1166 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1167 +
1168 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1169 +|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 197px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1170 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1171 +0(default)
1172 +
1173 +OK
1174 +)))
1175 +|(% style="width:154px" %)AT+PWMSET=0|(% style="width:196px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:157px" %)(((
1176 +OK
1177 +
1178 +)))
1179 +|(% style="width:154px" %)AT+PWMSET=1|(% style="width:196px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:157px" %)OK
1180 +
1181 +(% style="color:blue" %)**Downlink Command: 0x0C**
1182 +
1183 +Format: Command Code (0x0C) followed by 1 bytes.
1184 +
1185 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1186 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1187 +
1074 1074  = 4. Battery & Power Consumption =
1075 1075  
1076 1076  
... ... @@ -1096,8 +1096,6 @@
1096 1096  * (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/]]**
1097 1097  * 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]]**.
1098 1098  
1099 -
1100 -
1101 1101  = 6. FAQ =
1102 1102  
1103 1103  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1106,8 +1106,6 @@
1106 1106  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1107 1107  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1108 1108  
1109 -
1110 -
1111 1111  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1112 1112  
1113 1113  
... ... @@ -1147,8 +1147,6 @@
1147 1147  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1148 1148  * (% style="color:red" %)**NH**(%%): No Hole
1149 1149  
1150 -
1151 -
1152 1152  = 8. ​Packing Info =
1153 1153  
1154 1154  
... ... @@ -1163,8 +1163,6 @@
1163 1163  * Package Size / pcs : cm
1164 1164  * Weight / pcs : g
1165 1165  
1166 -
1167 -
1168 1168  = 9. Support =
1169 1169  
1170 1170  
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