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Author

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1		-XWiki.Xiaoling
	1	+XWiki.Saxer

Content

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581	581
582	582	==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583	583
584		-
585	585	In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
586	586
587		-[[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]]
588	588
589	589
590	590	===== 2.3.2.10.a  Uplink, PWM input capture =====
591	591
592		-
593	593	[[image:image-20230817172209-2.png||height="439" width="683"]]
594	594
595	595	(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
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611	611	[[image:image-20230817170702-1.png||height="161" width="1044"]]
612	612
613	613
614		-When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
	612	+(% style="color:blue" %)**AT+PWMSET=AA（Default is 0）  ==> Corresponding downlink: 0B AA**
615	615
616		-Frequency：
	614	+When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.
617	617
618		-(% class="MsoNormal" %)
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）;
	616	+When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ.
620	620
621		-(% class="MsoNormal" %)
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）;
623	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	632	===== 2.3.2.10.b  Downlink, PWM output =====
633	633
634		-
635	635	[[image:image-20230817173800-3.png||height="412" width="685"]]
636	636
637	637	Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
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889	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	890	)))
891	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		-
	878	+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.
895	895	)))
896	896
	881	+
897	897	==== 2.3.3.13  Working MOD ====
898	898
899	899
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1142	1142	* Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1143	1143	* Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1144	1144
1145		-=== 3.3.8 PWM setting ===
1146		-
1147		-Feature: Set the time acquisition unit for PWM input capture.
1148		-
1149		-(% style="color:blue" %)**AT Command: AT+PWMSET**
1150		-
1151		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1152		-|=(% 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**
1153		-|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1154		-0(default)
1155		-
1156		-OK
1157		-)))
1158		-|(% 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" %)(((
1159		-OK
1160		-
1161		-)))
1162		-|(% 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
1163		-
1164		-(% style="color:blue" %)**Downlink Command: 0x0C**
1165		-
1166		-Format: Command Code (0x0C) followed by 1 bytes.
1167		-
1168		-* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1169		-* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1170		-
1171	1171	= 4. Battery & Power Consumption =
1172	1172
1173	1173

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