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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... ... @@ -581,13 +581,15 @@ 581 581 582 582 ==== 2.3.2.10 MOD~=10 (PWM input capture and output mode,Since firmware v1.2) ==== 583 583 584 + 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" %) ... ... @@ -614,41 +614,22 @@ 614 614 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**(%%)**=0 619 +(% 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 -((( 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**(%%)**=1 622 +(% 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); 627 627 628 -((( 629 - 630 - 631 -(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period(HZ); 632 -))) 633 - 634 634 (% class="MsoNormal" %) 635 635 Duty cycle: 636 636 637 637 Duty cycle= Duration of high level/ Pulse period*100 ~(%). 638 638 639 -(% class="MsoNormal" %) 640 - 641 - 642 -((( 643 - 644 -))) 645 - 646 - 647 647 [[image:image-20230818092200-1.png||height="344" width="627"]] 648 648 649 649 650 650 ===== 2.3.2.10.b Downlink, PWM output ===== 651 651 634 + 652 652 [[image:image-20230817173800-3.png||height="412" width="685"]] 653 653 654 654 Downlink: (% style="color:#037691" %)**0B xx xx xx yy zz zz** ... ... @@ -906,7 +906,7 @@ 906 906 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. 907 907 ))) 908 908 * ((( 909 -Since the device can only detect a pulse period of 50ms when AT+PWMSET=0 (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. 910 910 911 911 912 912 ))) ... ... @@ -1159,8 +1159,6 @@ 1159 1159 * Example 1: Downlink Payload: 0A01 **~-~-->** AT+MOD=1 1160 1160 * Example 2: Downlink Payload: 0A04 **~-~-->** AT+MOD=4 1161 1161 1162 - 1163 - 1164 1164 === 3.3.8 PWM setting === 1165 1165 1166 1166 Feature: Set the time acquisition unit for PWM input capture. ... ... @@ -1187,7 +1187,6 @@ 1187 1187 * Example 1: Downlink Payload: 0C00 **~-~-->** AT+PWMSET=0 1188 1188 * Example 2: Downlink Payload: 0C01 **~-~-->** AT+PWMSET=1 1189 1189 1190 - 1191 1191 = 4. Battery & Power Consumption = 1192 1192 1193 1193