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Last modified by Saxer Lin on 2025/03/18 17:25
From version 75.2
edited by Xiaoling
on 2023/11/01 15:42
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To version 74.1
edited by Saxer Lin
on 2023/08/18 09:51
Change comment: There is no comment for this version

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1 -SN50v3-LB -- LoRaWAN Sensor Node User Manual
1 +SN50v3-LB LoRaWAN Sensor Node User Manual
Parent
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1 -Main.User Manual for LoRaWAN End Nodes.WebHome
Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
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1 -
1 +(% style="text-align:center" %)
2 +[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
2 2  
3 3  
5 +
4 4  **Table of Contents：**
5 5  
6 6  {{toc/}}
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17 17  
18 18  (% 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.
19 19  
20 -(% 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.
21 21  
22 22  (% 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.
23 23  
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25 25  
26 26  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.
27 27  
30 +
28 28  == 1.2 ​Features ==
29 29  
30 30  
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138 138  
139 139  SN50v3-LB has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
140 140  
144 +[[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-20220627104757-1.png?rev=1.1||alt="image-20220627104757-1.png"]]
141 141  
142 -[[image:image-20231101154140-1.png||height="514" width="867"]]
146 +[[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/1656298089706-973.png?rev=1.1||alt="1656298089706-973.png"]]
143 143  
144 144  
145 145  = 2. Configure SN50v3-LB to connect to LoRaWAN network =
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577 577  
578 578  ==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
579 579  
580 -
581 581  In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
582 582  
583 -[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
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]]
584 584  
585 585  
586 586  ===== 2.3.2.10.a  Uplink, PWM input capture =====
587 587  
588 -
589 589  [[image:image-20230817172209-2.png||height="439" width="683"]]
590 590  
591 591  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
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609 609  
610 610  When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
611 611  
612 -**Frequency：**
614 +Frequency：
613 613  
614 614  (% class="MsoNormal" %)
615 -(% 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）;
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,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
616 616  
617 617  (% 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**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
620 +(% 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）;
619 619  
620 -
621 621  (% class="MsoNormal" %)
622 -**Duty cycle:**
623 +Duty cycle:
623 623  
624 624  Duty cycle= Duration of high level/ Pulse period*100 ~(%).
625 625  
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628 628  
629 629  ===== 2.3.2.10.b  Downlink, PWM output =====
630 630  
631 -
632 632  [[image:image-20230817173800-3.png||height="412" width="685"]]
633 633  
634 634  Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
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886 886  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.
887 887  )))
888 888  * (((
889 -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.
889 +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.
890 890  
891 -
892 892  
893 893  )))
894 894  
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1142 1142  
1143 1143  === 3.3.8 PWM setting ===
1144 1144  
1145 -
1146 1146  Feature: Set the time acquisition unit for PWM input capture.
1147 1147  
1148 1148  (% style="color:blue" %)**AT Command: AT+PWMSET**
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