Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 52.4 >
edited by Xiaoling
on 2023/06/12 10:39
To version < 82.1 >
edited by Edwin Chen
on 2023/12/31 20:32
>
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Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -3,7 +3,7 @@
3 3  
4 4  
5 5  
6 -**Table of Contents：**
6 +**Table of Contents:**
7 7  
8 8  {{toc/}}
9 9  
... ... @@ -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, 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  
... ... @@ -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  
... ... @@ -41,8 +41,6 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 -
45 -
46 46  == 1.3 Specification ==
47 47  
48 48  
... ... @@ -80,8 +80,6 @@
80 80  * Sleep Mode: 5uA @ 3.3v
81 81  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
82 82  
83 -
84 -
85 85  == 1.4 Sleep mode and working mode ==
86 86  
87 87  
... ... @@ -93,7 +93,7 @@
93 93  == 1.5 Button & LEDs ==
94 94  
95 95  
96 -[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]]
91 +[[image:Main.User Manual for LoRaWAN End Nodes.D20-LBD22-LBD23-LB_LoRaWAN_Temperature_Sensor_User_Manual.WebHome@1675071855856-879.png]][[image:image-20231231203148-2.png||height="456" width="316"]]
97 97  
98 98  
99 99  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
... ... @@ -109,8 +109,6 @@
109 109  )))
110 110  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
111 111  
112 -
113 -
114 114  == 1.6 BLE connection ==
115 115  
116 116  
... ... @@ -233,33 +233,33 @@
233 233  
234 234  (% style="color:#037691" %)**Frequency Band**:
235 235  
236 -*0x01: EU868
229 +0x01: EU868
237 237  
238 -*0x02: US915
231 +0x02: US915
239 239  
240 -*0x03: IN865
233 +0x03: IN865
241 241  
242 -*0x04: AU915
235 +0x04: AU915
243 243  
244 -*0x05: KZ865
237 +0x05: KZ865
245 245  
246 -*0x06: RU864
239 +0x06: RU864
247 247  
248 -*0x07: AS923
241 +0x07: AS923
249 249  
250 -*0x08: AS923-1
243 +0x08: AS923-1
251 251  
252 -*0x09: AS923-2
245 +0x09: AS923-2
253 253  
254 -*0x0a: AS923-3
247 +0x0a: AS923-3
255 255  
256 -*0x0b: CN470
249 +0x0b: CN470
257 257  
258 -*0x0c: EU433
251 +0x0c: EU433
259 259  
260 -*0x0d: KR920
253 +0x0d: KR920
261 261  
262 -*0x0e: MA869
255 +0x0e: MA869
263 263  
264 264  
265 265  (% style="color:#037691" %)**Sub-Band**:
... ... @@ -335,9 +335,8 @@
335 335  )))|(% style="width:189px" %)(((
336 336  Digital in(PB15) & Digital Interrupt(PA8)
337 337  )))|(% style="width:208px" %)(((
338 -Distance measure by:1) LIDAR-Lite V3HP
339 -Or
340 -2) Ultrasonic Sensor
331 +Distance measure by: 1) LIDAR-Lite V3HP
332 +Or 2) Ultrasonic Sensor
341 341  )))|(% style="width:117px" %)Reserved
342 342  
343 343  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656324539647-568.png?rev=1.1||alt="1656324539647-568.png"]]
... ... @@ -367,8 +367,7 @@
367 367  ADC(PA4)
368 368  )))|(% style="width:323px" %)(((
369 369  Distance measure by:1)TF-Mini plus LiDAR
370 -Or 
371 -2) TF-Luna LiDAR
362 +Or 2) TF-Luna LiDAR
372 372  )))|(% style="width:188px" %)Distance signal  strength
373 373  
374 374  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/1656376779088-686.png?rev=1.1||alt="1656376779088-686.png"]]
... ... @@ -475,7 +475,6 @@
475 475  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220820120036-2.png?width=1003&height=469&rev=1.1||alt="image-20220820120036-2.png" height="469" width="1003"]]
476 476  
477 477  
478 -
479 479  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
480 480  
481 481  
... ... @@ -588,6 +588,105 @@
588 588  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
589 589  
590 590  
581 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
582 +
583 +(% style="color:red" %)**Note: Firmware not release, contact Dragino for testing.**
584 +
585 +In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
586 +
587 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
588 +
589 +
590 +===== 2.3.2.10.a  Uplink, PWM input capture =====
591 +
592 +
593 +[[image:image-20230817172209-2.png||height="439" width="683"]]
594 +
595 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
596 +|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:20px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:135px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**2**|(% style="background-color:#d9e2f3; color:#0070c0; width:90px" %)**2**
597 +|Value|Bat|(% style="width:191px" %)(((
598 +Temperature(DS18B20)(PC13)
599 +)))|(% style="width:78px" %)(((
600 +ADC(PA4)
601 +)))|(% style="width:135px" %)(((
602 +PWM_Setting
603 +&Digital Interrupt(PA8)
604 +)))|(% style="width:70px" %)(((
605 +Pulse period
606 +)))|(% style="width:89px" %)(((
607 +Duration of high level
608 +)))
609 +
610 +[[image:image-20230817170702-1.png||height="161" width="1044"]]
611 +
612 +
613 +When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
614 +
615 +**Frequency：**
616 +
617 +(% class="MsoNormal" %)
618 +(% 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 +
620 +(% class="MsoNormal" %)
621 +(% 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 +
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 +===== 2.3.2.10.b  Uplink, PWM output =====
632 +
633 +[[image:image-20230817172209-2.png||height="439" width="683"]]
634 +
635 +(% 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+PWMOUT=a,b,c**
636 +
637 +a is the time delay of the output, the unit is ms.
638 +
639 +b is the output frequency, the unit is HZ.
640 +
641 +c is the duty cycle of the output, the unit is %.
642 +
643 +(% 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" %)**Downlink**(%%):  (% style="color:#037691" %)**0B 01 bb cc aa **
644 +
645 +aa is the time delay of the output, the unit is ms.
646 +
647 +bb is the output frequency, the unit is HZ.
648 +
649 +cc is the duty cycle of the output, the unit is %.
650 +
651 +
652 +For example, send a AT command: AT+PWMOUT=65535,1000,50  The PWM is always out, the frequency is 1000HZ, and the duty cycle is 50.
653 +
654 +The oscilloscope displays as follows:
655 +
656 +[[image:image-20231213102404-1.jpeg||height="780" width="932"]]
657 +
658 +
659 +===== 2.3.2.10.c  Downlink, PWM output =====
660 +
661 +
662 +[[image:image-20230817173800-3.png||height="412" width="685"]]
663 +
664 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
665 +
666 + xx xx xx is the output frequency, the unit is HZ.
667 +
668 + yy is the duty cycle of the output, the unit is %.
669 +
670 + zz zz is the time delay of the output, the unit is ms.
671 +
672 +
673 +For example, send a downlink command: 0B 00 61 A8 32 13 88, the frequency is 25KHZ, the duty cycle is 50, and the output time is 5 seconds.
674 +
675 +The oscilloscope displays as follows:
676 +
677 +[[image:image-20230817173858-5.png||height="694" width="921"]]
678 +
679 +
591 591  === 2.3.3  ​Decode payload ===
592 592  
593 593  
... ... @@ -651,9 +651,9 @@
651 651  ==== 2.3.3.4  Analogue Digital Converter (ADC) ====
652 652  
653 653  
654 -The measuring range of the ADC is only about 0V to 1.1V The voltage resolution is about 0.24mv.
743 +The measuring range of the ADC is only about 0.1V to 1.1V The voltage resolution is about 0.24mv.
655 655  
656 -When the measured output voltage of the sensor is not within the range of 0V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
745 +When the measured output voltage of the sensor is not within the range of 0.1V and 1.1V, the output voltage terminal of the sensor shall be divided The example in the following figure is to reduce the output voltage of the sensor by three times If it is necessary to reduce more times, calculate according to the formula in the figure and connect the corresponding resistance in series.
657 657  
658 658  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/WebHome/image-20220628150112-1.png?width=285&height=241&rev=1.1||alt="image-20220628150112-1.png" height="241" width="285"]]
659 659  
... ... @@ -661,6 +661,10 @@
661 661  (% style="color:red" %)**Note: If the ADC type sensor needs to be powered by SN50_v3, it is recommended to use +5V to control its switch.Only sensors with low power consumption can be powered with VDD.**
662 662  
663 663  
753 +The position of PA5 on the hardware after **LSN50 v3.3** is changed to the position shown in the figure below, and the collected voltage becomes one-sixth of the original.
754 +
755 +[[image:image-20230811113449-1.png||height="370" width="608"]]
756 +
664 664  ==== 2.3.3.5 Digital Interrupt ====
665 665  
666 666  
... ... @@ -807,9 +807,40 @@
807 807  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220628110012-12.png?rev=1.1||alt="image-20220628110012-12.png" height="361" width="953"]]
808 808  
809 809  
810 -==== 2.3.3.12  Working MOD ====
903 +==== 2.3.3.12  PWM MOD ====
811 811  
812 812  
906 +* (((
907 +The maximum voltage that the SDA pin of SN50v3 can withstand is 3.6V, and it cannot exceed this voltage value, otherwise the chip may be burned.
908 +)))
909 +* (((
910 +If the PWM pin connected to the SDA pin cannot maintain a high level when it is not working, you need to remove the resistor R2 or replace it with a resistor with a larger resistance, otherwise a sleep current of about 360uA will be generated. The position of the resistor is shown in the figure below:
911 +)))
912 +
913 + [[image:image-20230817183249-3.png||height="320" width="417"]]
914 +
915 +* (((
916 +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.
917 +)))
918 +* (((
919 +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.
920 +)))
921 +* (((
922 +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.
923 +
924 +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.
925 +
926 +a) If real-time control output is required, the SN50v3-LB is already operating in class C and an external power supply must be used.
927 +
928 +b) If the output duration is more than 30 seconds, better to use external power source. 
929 +
930 +
931 +
932 +)))
933 +
934 +==== 2.3.3.13  Working MOD ====
935 +
936 +
813 813  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
814 814  
815 815  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -825,9 +825,8 @@
825 825  * 6: MOD7
826 826  * 7: MOD8
827 827  * 8: MOD9
952 +* 9: MOD10
828 828  
829 -
830 -
831 831  == 2.4 Payload Decoder file ==
832 832  
833 833  
... ... @@ -857,8 +857,6 @@
857 857  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
858 858  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
859 859  
860 -
861 -
862 862  == 3.2 General Commands ==
863 863  
864 864  
... ... @@ -906,8 +906,6 @@
906 906  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
907 907  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
908 908  
909 -
910 -
911 911  === 3.3.2 Get Device Status ===
912 912  
913 913  
... ... @@ -956,8 +956,6 @@
956 956  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
957 957  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
958 958  
959 -
960 -
961 961  === 3.3.4 Set Power Output Duration ===
962 962  
963 963  
... ... @@ -990,8 +990,6 @@
990 990  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
991 991  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
992 992  
993 -
994 -
995 995  === 3.3.5 Set Weighing parameters ===
996 996  
997 997  
... ... @@ -1017,8 +1017,6 @@
1017 1017  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1018 1018  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1019 1019  
1020 -
1021 -
1022 1022  === 3.3.6 Set Digital pulse count value ===
1023 1023  
1024 1024  
... ... @@ -1042,8 +1042,6 @@
1042 1042  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1043 1043  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1044 1044  
1045 -
1046 -
1047 1047  === 3.3.7 Set Workmode ===
1048 1048  
1049 1049  
... ... @@ -1068,11 +1068,101 @@
1068 1068  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1069 1069  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1070 1070  
1182 +(% id="H3.3.8PWMsetting" %)
1183 +=== 3.3.8 PWM setting ===
1071 1071  
1072 1072  
1073 -= 4. Battery & Power Consumption =
1186 +(% class="mark" %)Feature: Set the time acquisition unit for PWM input capture.
1074 1074  
1188 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1075 1075  
1190 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1191 +|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 223px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 130px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1192 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:223px" %)0|(% style="width:130px" %)(((
1193 +0(default)
1194 +
1195 +OK
1196 +)))
1197 +|(% style="width:154px" %)AT+PWMSET=0|(% style="width:223px" %)The unit of PWM capture time is microsecond. The capture frequency range is between 20HZ and 100000HZ.   |(% style="width:130px" %)(((
1198 +OK
1199 +
1200 +)))
1201 +|(% style="width:154px" %)AT+PWMSET=1|(% style="width:223px" %)The unit of PWM capture time is millisecond.  The capture frequency range is between 5HZ and 250HZ. |(% style="width:130px" %)OK
1202 +
1203 +(% style="color:blue" %)**Downlink Command: 0x0C**
1204 +
1205 +Format: Command Code (0x0C) followed by 1 bytes.
1206 +
1207 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1208 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1209 +
1210 +(% class="mark" %)Feature: Set PWM output time, output frequency and output duty cycle.
1211 +
1212 +(% style="color:blue" %)**AT Command: AT+PWMOUT**
1213 +
1214 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1215 +|=(% style="width: 183px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 193px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 137px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Response**
1216 +|(% style="width:183px" %)AT+PWMOUT=?|(% style="width:193px" %)0|(% style="width:137px" %)(((
1217 +0,0,0(default)
1218 +
1219 +OK
1220 +)))
1221 +|(% style="width:183px" %)AT+PWMOUT=0,0,0|(% style="width:193px" %)The default is PWM input detection|(% style="width:137px" %)(((
1222 +OK
1223 +
1224 +)))
1225 +|(% style="width:183px" %)AT+PWMOUT=5,1000,50|(% style="width:193px" %)(((
1226 +The PWM output time is 5ms, the output frequency is 1000HZ, and the output duty cycle is 50%.
1227 +
1228 +
1229 +)))|(% style="width:137px" %)(((
1230 +OK
1231 +)))
1232 +
1233 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1234 +|=(% style="width: 155px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 112px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 242px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**parameters**
1235 +|(% colspan="1" rowspan="3" style="width:155px" %)(((
1236 +AT+PWMOUT=a,b,c
1237 +
1238 +
1239 +)))|(% colspan="1" rowspan="3" style="width:112px" %)(((
1240 +Set PWM output time, output frequency and output duty cycle.
1241 +
1242 +(((
1243 +
1244 +)))
1245 +
1246 +(((
1247 +
1248 +)))
1249 +)))|(% style="width:242px" %)(((
1250 +a: Output time (unit: seconds)
1251 +
1252 +The value ranges from 0 to 65535.
1253 +
1254 +When a=65535, PWM will always output.
1255 +)))
1256 +|(% style="width:242px" %)(((
1257 +b: Output frequency (unit: HZ)
1258 +)))
1259 +|(% style="width:242px" %)(((
1260 +c: Output duty cycle (unit: %)
1261 +
1262 +The value ranges from 0 to 100.
1263 +)))
1264 +
1265 +(% style="color:blue" %)**Downlink Command: 0x0B01**
1266 +
1267 +Format: Command Code (0x0B01) followed by 6 bytes.
1268 +
1269 +Downlink payload：0B01 bb cc aa **~-~--> **AT+PWMOUT=a,b,c
1270 +
1271 +* Example 1: Downlink Payload: 0B01 03E8 0032 0005 **~-~-->**  AT+PWMSET=5,1000,50
1272 +* Example 2: Downlink Payload: 0B01 07D0 003C 000A **~-~-->**  AT+PWMSET=10,2000,60
1273 +
1274 += 4. Battery & Power Cons =
1275 +
1276 +
1076 1076  SN50v3-LB use ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1077 1077  
1078 1078  [[**Battery Info & Power Consumption Analyze**>>http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
... ... @@ -1092,11 +1092,9 @@
1092 1092  
1093 1093  **Methods to Update Firmware:**
1094 1094  
1095 -* (Recommanded way) OTA firmware update via wireless:   [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
1096 -* Update through UART TTL interface.**[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1296 +* (Recommanded way) OTA firmware update via wireless: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
1297 +* Update through UART TTL interface: **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
1097 1097  
1098 -
1099 -
1100 1100  = 6. FAQ =
1101 1101  
1102 1102  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1105,8 +1105,22 @@
1105 1105  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1106 1106  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1107 1107  
1307 +== 6.2 How to generate PWM Output in SN50v3-LB? ==
1108 1108  
1109 1109  
1310 +See this document: **[[Generate PWM Output on SN50v3>>https://www.dropbox.com/scl/fi/r3trcet2knujg40w0mgyn/Generate-PWM-Output-on-SN50v3.pdf?rlkey=rxsgmrhhrv62iiiwjq9sv10bn&dl=0]]**.
1311 +
1312 +
1313 +== 6.3 How to put several sensors to a SN50v3-LB? ==
1314 +
1315 +
1316 +When we want to put several sensors to A SN50v3-LB, the waterproof at the grand connector will become an issue. User can try to exchange the grand connector to below type.
1317 +
1318 +[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1319 +
1320 +[[image:image-20230810121434-1.png||height="242" width="656"]]
1321 +
1322 +
1110 1110  = 7. Order Info =
1111 1111  
1112 1112  
... ... @@ -1130,8 +1130,6 @@
1130 1130  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1131 1131  * (% style="color:red" %)**NH**(%%): No Hole
1132 1132  
1133 -
1134 -
1135 1135  = 8. ​Packing Info =
1136 1136  
1137 1137  
... ... @@ -1146,8 +1146,6 @@
1146 1146  * Package Size / pcs : cm
1147 1147  * Weight / pcs : g
1148 1148  
1149 -
1150 -
1151 1151  = 9. Support =
1152 1152  
1153 1153  
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