Changes for page SN50v3-LB/LS -- LoRaWAN Sensor Node User Manual
Last modified by Bei Jinggeng on 2025/01/10 15:51
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... ... @@ -19,7 +19,7 @@ 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, smartphonedetection,building automation, andso 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 ... ... @@ -581,13 +581,15 @@ 581 581 582 582 ==== 2.3.2.10 MOD~=10 (PWM input capture and output mode,Since firmware v1.2) ==== 583 583 583 + 584 584 In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output. 585 585 586 -[[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]]586 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]] 587 587 588 588 589 589 ===== 2.3.2.10.a Uplink, PWM input capture ===== 590 590 591 + 591 591 [[image:image-20230817172209-2.png||height="439" width="683"]] 592 592 593 593 (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %) ... ... @@ -611,43 +611,26 @@ 611 611 612 612 When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle. 613 613 614 -Frequency: 615 +**Frequency:** 615 615 616 616 (% 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 +(% 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); 618 618 619 -((( 620 - 621 - 622 -(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period(HZ); 623 -))) 624 - 625 625 (% 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**(%%)**=1 621 +(% 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); 627 627 628 -((( 629 - 630 630 631 -(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period(HZ); 632 -))) 633 - 634 634 (% class="MsoNormal" %) 635 -Duty cycle: 625 +**Duty cycle:** 636 636 637 637 Duty cycle= Duration of high level/ Pulse period*100 ~(%). 638 638 639 - 640 - 641 -((( 642 - 643 -))) 644 - 645 - 646 646 [[image:image-20230818092200-1.png||height="344" width="627"]] 647 647 648 648 649 649 ===== 2.3.2.10.b Downlink, PWM output ===== 650 650 634 + 651 651 [[image:image-20230817173800-3.png||height="412" width="685"]] 652 652 653 653 Downlink: (% style="color:#037691" %)**0B xx xx xx yy zz zz** ... ... @@ -905,8 +905,9 @@ 905 905 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. 906 906 ))) 907 907 * ((( 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.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. 909 909 894 + 910 910 911 911 ))) 912 912 ... ... @@ -1158,9 +1158,9 @@ 1158 1158 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1159 1159 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1160 1160 1161 - 1162 1162 === 3.3.8 PWM setting === 1163 1163 1148 + 1164 1164 Feature: Set the time acquisition unit for PWM input capture. 1165 1165 1166 1166 (% style="color:blue" %)**AT Command: AT+PWMSET**