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609	609	[[image:image-20230817170702-1.png||height="161" width="1044"]]
610	610
611	611
612		-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**
613	613
614		-Frequency：
	614	+When AA is 0, the unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.
615	615
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 ,**
	616	+When AA is 1, the unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ.
618	618
619		-(((
620		-
621	621
622		-(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623		-)))
624		-
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 ,**
627		-
628		-(((
629		-
630		-
631		-(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
632		-)))
633		-
634		-(% class="MsoNormal" %)
635		-Duty cycle:
636		-
637		-Duty cycle= Duration of high level/ Pulse period*100 ~(%).
638		-
639		-
640		-
641		-(((
642		-
643		-)))
644		-
645		-
646		-[[image:image-20230818092200-1.png||height="344" width="627"]]
647		-
648		-
649	649	===== 2.3.2.10.b  Downlink, PWM output =====
650	650
651	651	[[image:image-20230817173800-3.png||height="412" width="685"]]
...	...	@@ -905,11 +905,10 @@
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.
909		-
910		-
	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.
911	911	)))
912	912
	881	+
913	913	==== 2.3.3.13  Working MOD ====
914	914
915	915
...	...	@@ -1158,33 +1158,6 @@
1158	1158	* Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1159	1159	* Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1160	1160
1161		-
1162		-=== 3.3.8 PWM setting ===
1163		-
1164		-Feature: Set the time acquisition unit for PWM input capture.
1165		-
1166		-(% style="color:blue" %)**AT Command: AT+PWMSET**
1167		-
1168		-(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1169		-|=(% 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**
1170		-|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1171		-0(default)
1172		-
1173		-OK
1174		-)))
1175		-|(% 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" %)(((
1176		-OK
1177		-
1178		-)))
1179		-|(% 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
1180		-
1181		-(% style="color:blue" %)**Downlink Command: 0x0C**
1182		-
1183		-Format: Command Code (0x0C) followed by 1 bytes.
1184		-
1185		-* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1186		-* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1187		-
1188	1188	= 4. Battery & Power Consumption =
1189	1189
1190	1190

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1		-XWiki.Saxer

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