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 +581,16 @@ 581 581 582 582 ==== 2.3.2.10 MOD~=10 (PWM input capture and output mode,Since firmware v1.2) ==== 583 583 583 +(% style="color:red" %)**Note: Firmware not release, contact Dragino for testing.** 584 + 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]]587 +[[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 ===== 590 590 592 + 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" %) ... ... @@ -611,16 +611,17 @@ 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: 616 +**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,**(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period(HZ); 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); 618 618 619 619 (% class="MsoNormal" %) 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); 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); 621 621 624 + 622 622 (% class="MsoNormal" %) 623 -Duty cycle: 626 +**Duty cycle:** 624 624 625 625 Duty cycle= Duration of high level/ Pulse period*100 ~(%). 626 626 ... ... @@ -629,6 +629,7 @@ 629 629 630 630 ===== 2.3.2.10.b Downlink, PWM output ===== 631 631 635 + 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** ... ... @@ -887,7 +887,17 @@ 887 887 ))) 888 888 * ((( 889 889 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. 894 +))) 895 +* ((( 896 +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. 890 890 898 +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. 899 + 900 +a) If needs to realtime control output, SN50v3-LB has be run in CLass C and have to use external power source. 901 + 902 +b) If the output duration is more than 30 seconds, bettert to use external power source. 903 + 904 + 891 891 892 892 ))) 893 893 ... ... @@ -1141,6 +1141,7 @@ 1141 1141 1142 1142 === 3.3.8 PWM setting === 1143 1143 1158 + 1144 1144 Feature: Set the time acquisition unit for PWM input capture. 1145 1145 1146 1146 (% style="color:blue" %)**AT Command: AT+PWMSET**