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1		-XWiki.Saxer
	1	+XWiki.ting

Content

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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, smartphone detection, building automation, and so 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
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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
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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
	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" %)
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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
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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**
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886	886	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.
887	887	)))
888	888	* (((
889		-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.
	893	+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
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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**