Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.3 >
edited by Xiaoling
on 2023/08/19 15:41
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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Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
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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  
... ... @@ -579,77 +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 -
585 -In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
586 -
587 -[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
588 -
589 -
590 -===== 2.3.2.10.a  Uplink, PWM input capture =====
591 -
592 -
593 -[[image:image-20230817172209-2.png||height="439" width="683"]]
594 -
595 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
596 -|(% 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**
597 -|Value|Bat|(% style="width:191px" %)(((
598 -Temperature(DS18B20)(PC13)
599 -)))|(% style="width:78px" %)(((
600 -ADC(PA4)
601 -)))|(% style="width:135px" %)(((
602 -PWM_Setting
603 -
604 -&Digital Interrupt(PA8)
605 -)))|(% style="width:70px" %)(((
606 -Pulse period
607 -)))|(% style="width:89px" %)(((
608 -Duration of high level
609 -)))
610 -
611 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
612 -
613 -
614 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
615 -
616 -Frequency：
617 -
618 -(% class="MsoNormal" %)
619 -(% 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,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
620 -
621 -(% class="MsoNormal" %)
622 -(% 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,**(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
623 -
624 -(% class="MsoNormal" %)
625 -Duty cycle:
626 -
627 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
628 -
629 -[[image:image-20230818092200-1.png||height="344" width="627"]]
630 -
631 -
632 -===== 2.3.2.10.b  Downlink, PWM output =====
633 -
634 -
635 -[[image:image-20230817173800-3.png||height="412" width="685"]]
636 -
637 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
638 -
639 - xx xx xx is the output frequency, the unit is HZ.
640 -
641 - yy is the duty cycle of the output, the unit is %.
642 -
643 - zz zz is the time delay of the output, the unit is ms.
644 -
645 -
646 -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.
647 -
648 -The oscilloscope displays as follows:
649 -
650 -[[image:image-20230817173858-5.png||height="694" width="921"]]
651 -
652 -
653 653  === 2.3.3  ​Decode payload ===
654 654  
655 655  
... ... @@ -873,30 +873,9 @@
873 873  [[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"]]
874 874  
875 875  
876 -==== 2.3.3.12  PWM MOD ====
811 +==== 2.3.3.12  Working MOD ====
877 877  
878 878  
879 -* (((
880 -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.
881 -)))
882 -* (((
883 -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:
884 -)))
885 -
886 - [[image:image-20230817183249-3.png||height="320" width="417"]]
887 -
888 -* (((
889 -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.
890 -)))
891 -* (((
892 -Since the device can only detect a pulse period of 50ms when [[AT+PWMSET=0>>||anchor="H3.3.8PWMsetting"]] (counting in microseconds), it is necessary to change the value of PWMSET according to the frequency of input capture.
893 -
894 -
895 -)))
896 -
897 -==== 2.3.3.13  Working MOD ====
898 -
899 -
900 900  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
901 901  
902 902  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -912,8 +912,9 @@
912 912  * 6: MOD7
913 913  * 7: MOD8
914 914  * 8: MOD9
915 -* 9: MOD10
916 916  
830 +
831 +
917 917  == 2.4 Payload Decoder file ==
918 918  
919 919  
... ... @@ -943,6 +943,8 @@
943 943  * 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]].
944 944  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
945 945  
861 +
862 +
946 946  == 3.2 General Commands ==
947 947  
948 948  
... ... @@ -990,6 +990,8 @@
990 990  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
991 991  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
992 992  
910 +
911 +
993 993  === 3.3.2 Get Device Status ===
994 994  
995 995  
... ... @@ -1038,6 +1038,8 @@
1038 1038  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
1039 1039  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
1040 1040  
960 +
961 +
1041 1041  === 3.3.4 Set Power Output Duration ===
1042 1042  
1043 1043  
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1070 1070  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
1071 1071  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
1072 1072  
994 +
995 +
1073 1073  === 3.3.5 Set Weighing parameters ===
1074 1074  
1075 1075  
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1095 1095  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1096 1096  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1097 1097  
1021 +
1022 +
1098 1098  === 3.3.6 Set Digital pulse count value ===
1099 1099  
1100 1100  
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1118 1118  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1119 1119  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1120 1120  
1046 +
1047 +
1121 1121  === 3.3.7 Set Workmode ===
1122 1122  
1123 1123  
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1142 1142  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1143 1143  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1144 1144  
1145 -=== 3.3.8 PWM setting ===
1146 1146  
1147 -Feature: Set the time acquisition unit for PWM input capture.
1148 1148  
1149 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1150 -
1151 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1152 -|=(% 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**
1153 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1154 -0(default)
1155 -
1156 -OK
1157 -)))
1158 -|(% 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" %)(((
1159 -OK
1160 -
1161 -)))
1162 -|(% 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
1163 -
1164 -(% style="color:blue" %)**Downlink Command: 0x0C**
1165 -
1166 -Format: Command Code (0x0C) followed by 1 bytes.
1167 -
1168 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1169 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1170 -
1171 1171  = 4. Battery & Power Consumption =
1172 1172  
1173 1173  
... ... @@ -1193,6 +1193,8 @@
1193 1193  * (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/]]**
1194 1194  * 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]]**.
1195 1195  
1099 +
1100 +
1196 1196  = 6. FAQ =
1197 1197  
1198 1198  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1201,6 +1201,8 @@
1201 1201  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1202 1202  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1203 1203  
1109 +
1110 +
1204 1204  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1205 1205  
1206 1206  
... ... @@ -1240,6 +1240,8 @@
1240 1240  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1241 1241  * (% style="color:red" %)**NH**(%%): No Hole
1242 1242  
1150 +
1151 +
1243 1243  = 8. ​Packing Info =
1244 1244  
1245 1245  
... ... @@ -1254,6 +1254,8 @@
1254 1254  * Package Size / pcs : cm
1255 1255  * Weight / pcs : g
1256 1256  
1166 +
1167 +
1257 1257  = 9. Support =
1258 1258  
1259 1259  
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