Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 57.1 >
edited by Edwin Chen
on 2023/08/10 12:17
To version < 76.1 >
edited by Mengting Qiu
on 2023/12/12 19:04
>
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1 -XWiki.Edwin
1 +XWiki.ting
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19 19  
20 20  (% style="color:blue" %)**SN50V3-LB **(%%)LoRaWAN Sensor Node is a Long Range LoRa Sensor Node. It is designed for outdoor use and powered by (% style="color:blue" %)** 8500mA Li/SOCl2 battery**(%%) for long term use.SN50V3-LB is designed to facilitate developers to quickly deploy industrial level LoRa and IoT solutions. It help users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
21 21  
22 -(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user 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 minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, smartphone detection, building automation, and so on.
22 +(% style="color:blue" %)**SN50V3-LB wireless part**(%%) is based on SX1262 allows the user 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 minimising current consumption.It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, and so on.
23 23  
24 24  (% style="color:blue" %)**SN50V3-LB **(%%)has a powerful 48Mhz ARM microcontroller with 256KB flash and 64KB RAM. It has multiplex I/O pins to connect to different sensors.
25 25  
... ... @@ -27,7 +27,6 @@
27 27  
28 28  SN50V3-LB is the 3^^rd^^ generation of LSN50 series generic sensor node from Dragino. It is an (% style="color:blue" %)**open source project**(%%) and has a mature LoRaWAN stack and application software. User can use the pre-load software for their IoT projects or easily customize the software for different requirements.
29 29  
30 -
31 31  == 1.2 ​Features ==
32 32  
33 33  
... ... @@ -41,7 +41,6 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 -
45 45  == 1.3 Specification ==
46 46  
47 47  
... ... @@ -79,7 +79,6 @@
79 79  * Sleep Mode: 5uA @ 3.3v
80 80  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
81 81  
82 -
83 83  == 1.4 Sleep mode and working mode ==
84 84  
85 85  
... ... @@ -107,7 +107,6 @@
107 107  )))
108 108  |(% 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.
109 109  
110 -
111 111  == 1.6 BLE connection ==
112 112  
113 113  
... ... @@ -470,7 +470,6 @@
470 470  [[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-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
471 471  
472 472  
473 -
474 474  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
475 475  
476 476  
... ... @@ -583,6 +583,86 @@
583 583  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
584 584  
585 585  
581 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
582 +
583 +(% style="color:red" %)**Note: Firmware not release, contact Dragino for testing.**
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 +
625 +(% class="MsoNormal" %)
626 +**Duty cycle:**
627 +
628 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
629 +
630 +[[image:image-20230818092200-1.png||height="344" width="627"]]
631 +
632 +===== 2.3.2.10.b  Uplink, PWM input capture =====
633 +
634 +
635 +
636 +
637 +
638 +
639 +
640 +===== 2.3.2.10.c  Downlink, PWM output =====
641 +
642 +
643 +[[image:image-20230817173800-3.png||height="412" width="685"]]
644 +
645 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
646 +
647 + xx xx xx is the output frequency, the unit is HZ.
648 +
649 + yy is the duty cycle of the output, the unit is %.
650 +
651 + zz zz is the time delay of the output, the unit is ms.
652 +
653 +
654 +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.
655 +
656 +The oscilloscope displays as follows:
657 +
658 +[[image:image-20230817173858-5.png||height="694" width="921"]]
659 +
660 +
586 586  === 2.3.3  ​Decode payload ===
587 587  
588 588  
... ... @@ -656,6 +656,10 @@
656 656  (% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.**
657 657  
658 658  
734 +The position of PA5 on the hardware after **LSN50 v3.3** is changed to the position shown in the figure below, and the collected voltage becomes one-sixth of the original.
735 +
736 +[[image:image-20230811113449-1.png||height="370" width="608"]]
737 +
659 659  ==== 2.3.3.5 Digital Interrupt ====
660 660  
661 661  
... ... @@ -802,9 +802,40 @@
802 802  [[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"]]
803 803  
804 804  
805 -==== 2.3.3.12  Working MOD ====
884 +==== 2.3.3.12  PWM MOD ====
806 806  
807 807  
887 +* (((
888 +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.
889 +)))
890 +* (((
891 +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:
892 +)))
893 +
894 + [[image:image-20230817183249-3.png||height="320" width="417"]]
895 +
896 +* (((
897 +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.
898 +)))
899 +* (((
900 +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.
901 +)))
902 +* (((
903 +PWM Input allows low power consumption. PWM Output to achieve real-time control, you need to go to class C. Power consumption will not be low.
904 +
905 +For PWM Output Feature, there are two consideration to see if the device can be powered by battery or have to be powered by external DC.
906 +
907 +a) If real-time control output is required, the SN50v3-LB is already operating in class C and an external power supply must be used.
908 +
909 +b) If the output duration is more than 30 seconds, better to use external power source. 
910 +
911 +
912 +
913 +)))
914 +
915 +==== 2.3.3.13  Working MOD ====
916 +
917 +
808 808  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
809 809  
810 810  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -820,8 +820,8 @@
820 820  * 6: MOD7
821 821  * 7: MOD8
822 822  * 8: MOD9
933 +* 9: MOD10
823 823  
824 -
825 825  == 2.4 Payload Decoder file ==
826 826  
827 827  
... ... @@ -851,7 +851,6 @@
851 851  * 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]].
852 852  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
853 853  
854 -
855 855  == 3.2 General Commands ==
856 856  
857 857  
... ... @@ -899,7 +899,6 @@
899 899  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
900 900  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
901 901  
902 -
903 903  === 3.3.2 Get Device Status ===
904 904  
905 905  
... ... @@ -948,7 +948,6 @@
948 948  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
949 949  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
950 950  
951 -
952 952  === 3.3.4 Set Power Output Duration ===
953 953  
954 954  
... ... @@ -981,7 +981,6 @@
981 981  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
982 982  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
983 983  
984 -
985 985  === 3.3.5 Set Weighing parameters ===
986 986  
987 987  
... ... @@ -1007,7 +1007,6 @@
1007 1007  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1008 1008  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1009 1009  
1010 -
1011 1011  === 3.3.6 Set Digital pulse count value ===
1012 1012  
1013 1013  
... ... @@ -1031,7 +1031,6 @@
1031 1031  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1032 1032  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1033 1033  
1034 -
1035 1035  === 3.3.7 Set Workmode ===
1036 1036  
1037 1037  
... ... @@ -1056,7 +1056,70 @@
1056 1056  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1057 1057  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1058 1058  
1163 +=== 3.3.8 PWM setting ===
1059 1059  
1165 +
1166 +* Feature: Set the time acquisition unit for PWM input capture.
1167 +
1168 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1169 +
1170 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1171 +|=(% 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**
1172 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1173 +0(default)
1174 +
1175 +OK
1176 +)))
1177 +|(% 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" %)(((
1178 +OK
1179 +
1180 +)))
1181 +|(% 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
1182 +
1183 +(% style="color:blue" %)**Downlink Command: 0x0C**
1184 +
1185 +Format: Command Code (0x0C) followed by 1 bytes.
1186 +
1187 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1188 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1189 +
1190 +* Feature: Set the time acquisition unit for PWM input capture.
1191 +
1192 +(% style="color:blue" %)**AT Command: AT+PWMOUT**
1193 +
1194 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:580px" %)
1195 +|=(% 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**
1196 +|(% style="width:154px" %)AT+PWMOUT=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1197 +0,0,0(default)
1198 +
1199 +OK
1200 +)))
1201 +|(% style="width:154px" %)AT+PWMOUT=0,0,0|(% style="width:196px" %)The default is PWM input detection|(% style="width:157px" %)(((
1202 +OK
1203 +
1204 +)))
1205 +|(% style="width:154px" %)AT+PWMOUT=a,b,c|(% style="width:250px" %)(((
1206 +PWM output.
1207 +
1208 +a: Output time (unit: seconds)
1209 +
1210 +b: Output frequency (unit: HZ)
1211 +
1212 +c: Output duty cycle (unit: %)
1213 +)))|(% style="width:157px" %)(((
1214 +OK
1215 +)))
1216 +
1217 +
1218 +(% style="color:blue" %)**Downlink Command: 0x0C**
1219 +
1220 +
1221 +Format: Command Code (0x0C) followed by 1 bytes.
1222 +
1223 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1224 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1225 +
1226 +
1060 1060  = 4. Battery & Power Consumption =
1061 1061  
1062 1062  
... ... @@ -1082,7 +1082,6 @@
1082 1082  * (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/]]**
1083 1083  * 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]]**.
1084 1084  
1085 -
1086 1086  = 6. FAQ =
1087 1087  
1088 1088  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1091,7 +1091,6 @@
1091 1091  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1092 1092  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1093 1093  
1094 -
1095 1095  == 6.2 How to generate PWM Output in SN50v3-LB? ==
1096 1096  
1097 1097  
... ... @@ -1100,6 +1100,7 @@
1100 1100  
1101 1101  == 6.3 How to put several sensors to a SN50v3-LB? ==
1102 1102  
1268 +
1103 1103  When we want to put several sensors to A SN50v3-LB, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
1104 1104  
1105 1105  [[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
... ... @@ -1130,7 +1130,6 @@
1130 1130  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1131 1131  * (% style="color:red" %)**NH**(%%): No Hole
1132 1132  
1133 -
1134 1134  = 8. ​Packing Info =
1135 1135  
1136 1136  
... ... @@ -1145,7 +1145,6 @@
1145 1145  * Package Size / pcs : cm
1146 1146  * Weight / pcs : g
1147 1147  
1148 -
1149 1149  = 9. Support =
1150 1150  
1151 1151  
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