Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.7 >
edited by Xiaoling
on 2023/09/26 08:52
To version < 53.2 >
edited by Xiaoling
on 2023/06/15 08:45
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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, 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, smartphone detection, building automation, 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  
... ... @@ -27,6 +27,7 @@
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 +
30 30  == 1.2 ​Features ==
31 31  
32 32  
... ... @@ -40,6 +40,8 @@
40 40  * Downlink to change configure
41 41  * 8500mAh Battery for long term use
42 42  
44 +
45 +
43 43  == 1.3 Specification ==
44 44  
45 45  
... ... @@ -77,6 +77,8 @@
77 77  * Sleep Mode: 5uA @ 3.3v
78 78  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
79 79  
83 +
84 +
80 80  == 1.4 Sleep mode and working mode ==
81 81  
82 82  
... ... @@ -104,6 +104,8 @@
104 104  )))
105 105  |(% 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.
106 106  
112 +
113 +
107 107  == 1.6 BLE connection ==
108 108  
109 109  
... ... @@ -359,7 +359,8 @@
359 359  ADC(PA4)
360 360  )))|(% style="width:323px" %)(((
361 361  Distance measure by:1)TF-Mini plus LiDAR
362 -Or 2) TF-Luna LiDAR
369 +Or 
370 +2) TF-Luna LiDAR
363 363  )))|(% style="width:188px" %)Distance signal  strength
364 364  
365 365  [[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/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]]
... ... @@ -466,6 +466,7 @@
466 466  [[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"]]
467 467  
468 468  
477 +
469 469  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
470 470  
471 471  
... ... @@ -578,78 +578,6 @@
578 578  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
579 579  
580 580  
581 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
582 -
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.>>||anchor="H2.3.3.12A0PWMMOD"]]
587 -
588 -
589 -===== 2.3.2.10.a  Uplink, PWM input capture =====
590 -
591 -
592 -[[image:image-20230817172209-2.png||height="439" width="683"]]
593 -
594 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
595 -|(% 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**
596 -|Value|Bat|(% style="width:191px" %)(((
597 -Temperature(DS18B20)(PC13)
598 -)))|(% style="width:78px" %)(((
599 -ADC(PA4)
600 -)))|(% style="width:135px" %)(((
601 -PWM_Setting
602 -
603 -&Digital Interrupt(PA8)
604 -)))|(% style="width:70px" %)(((
605 -Pulse period
606 -)))|(% style="width:89px" %)(((
607 -Duration of high level
608 -)))
609 -
610 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
611 -
612 -
613 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
614 -
615 -**Frequency：**
616 -
617 -(% class="MsoNormal" %)
618 -(% 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）;
619 -
620 -(% class="MsoNormal" %)
621 -(% 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）;
622 -
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  
... ... @@ -723,10 +723,6 @@
723 723  (% 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.**
724 724  
725 725  
726 -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.
727 -
728 -[[image:image-20230811113449-1.png||height="370" width="608"]]
729 -
730 730  ==== 2.3.3.5 Digital Interrupt ====
731 731  
732 732  
... ... @@ -873,31 +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 ====
809 +==== 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 -
898 -==== 2.3.3.13  Working MOD ====
899 -
900 -
901 901  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
902 902  
903 903  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -913,7 +913,6 @@
913 913  * 6: MOD7
914 914  * 7: MOD8
915 915  * 8: MOD9
916 -* 9: MOD10
917 917  
918 918  == 2.4 Payload Decoder file ==
919 919  
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1143 1143  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1144 1144  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1145 1145  
1146 -=== 3.3.8 PWM setting ===
1147 -
1148 -
1149 -Feature: Set the time acquisition unit for PWM input capture.
1150 -
1151 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1152 -
1153 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1154 -|=(% 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**
1155 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1156 -0(default)
1157 -
1158 -OK
1159 -)))
1160 -|(% 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" %)(((
1161 -OK
1162 -
1163 -)))
1164 -|(% 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
1165 -
1166 -(% style="color:blue" %)**Downlink Command: 0x0C**
1167 -
1168 -Format: Command Code (0x0C) followed by 1 bytes.
1169 -
1170 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1171 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1172 -
1173 1173  = 4. Battery & Power Consumption =
1174 1174  
1175 1175  
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1192 1192  
1193 1193  **Methods to Update Firmware:**
1194 1194  
1195 -* (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/]]**
1196 -* 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]]**.
1078 +* (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/]]
1079 +* 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]]**.
1197 1197  
1198 1198  = 6. FAQ =
1199 1199  
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1203 1203  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1204 1204  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1205 1205  
1206 -== 6.2 How to generate PWM Output in SN50v3-LB? ==
1207 -
1208 -
1209 -See this document: **[[Generate PWM Output on SN50v3>>https://www.dropbox.com/scl/fi/r3trcet2knujg40w0mgyn/Generate-PWM-Output-on-SN50v3.pdf?rlkey=rxsgmrhhrv62iiiwjq9sv10bn&dl=0]]**.
1210 -
1211 -
1212 -== 6.3 How to put several sensors to a SN50v3-LB? ==
1213 -
1214 -
1215 -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.
1216 -
1217 -[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1218 -
1219 -[[image:image-20230810121434-1.png||height="242" width="656"]]
1220 -
1221 -
1222 1222  = 7. Order Info =
1223 1223  
1224 1224  
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