Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 53.2 >
edited by Xiaoling
on 2023/06/15 08:45
To version < 74.7 >
edited by Xiaoling
on 2023/09/26 08:52
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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  
... ... @@ -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  
... ... @@ -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  
... ... @@ -366,8 +366,7 @@
366 366  ADC(PA4)
367 367  )))|(% style="width:323px" %)(((
368 368  Distance measure by:1)TF-Mini plus LiDAR
369 -Or 
370 -2) TF-Luna LiDAR
362 +Or 2) TF-Luna LiDAR
371 371  )))|(% style="width:188px" %)Distance signal  strength
372 372  
373 373  [[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"]]
... ... @@ -474,7 +474,6 @@
474 474  [[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"]]
475 475  
476 476  
477 -
478 478  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
479 479  
480 480  
... ... @@ -587,6 +587,78 @@
587 587  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
588 588  
589 589  
581 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
582 +
583 +
584 +In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
585 +
586 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
587 +
588 +
589 +===== 2.3.2.10.a  Uplink, PWM input capture =====
590 +
591 +
592 +[[image:image-20230817172209-2.png||height="439" width="683"]]
593 +
594 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
595 +|(% 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:89px" %)**2**
596 +|Value|Bat|(% style="width:191px" %)(((
597 +Temperature(DS18B20)(PC13)
598 +)))|(% style="width:78px" %)(((
599 +ADC(PA4)
600 +)))|(% style="width:135px" %)(((
601 +PWM_Setting
602 +
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 +
632 +===== 2.3.2.10.b  Downlink, PWM output =====
633 +
634 +
635 +[[image:image-20230817173800-3.png||height="412" width="685"]]
636 +
637 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
638 +
639 + xx xx xx is the output frequency, the unit is HZ.
640 +
641 + yy is the duty cycle of the output, the unit is %.
642 +
643 + zz zz is the time delay of the output, the unit is ms.
644 +
645 +
646 +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.
647 +
648 +The oscilloscope displays as follows:
649 +
650 +[[image:image-20230817173858-5.png||height="694" width="921"]]
651 +
652 +
590 590  === 2.3.3  ​Decode payload ===
591 591  
592 592  
... ... @@ -660,6 +660,10 @@
660 660  (% 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.**
661 661  
662 662  
726 +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.
727 +
728 +[[image:image-20230811113449-1.png||height="370" width="608"]]
729 +
663 663  ==== 2.3.3.5 Digital Interrupt ====
664 664  
665 665  
... ... @@ -806,9 +806,31 @@
806 806  [[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"]]
807 807  
808 808  
809 -==== 2.3.3.12  Working MOD ====
876 +==== 2.3.3.12  PWM MOD ====
810 810  
811 811  
879 +* (((
880 +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.
881 +)))
882 +* (((
883 +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:
884 +)))
885 +
886 + [[image:image-20230817183249-3.png||height="320" width="417"]]
887 +
888 +* (((
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 +)))
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 +
895 +
896 +)))
897 +
898 +==== 2.3.3.13  Working MOD ====
899 +
900 +
812 812  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
813 813  
814 814  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
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824 824  * 6: MOD7
825 825  * 7: MOD8
826 826  * 8: MOD9
916 +* 9: MOD10
827 827  
828 828  == 2.4 Payload Decoder file ==
829 829  
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1053 1053  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1054 1054  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1055 1055  
1146 +=== 3.3.8 PWM setting ===
1147 +
1148 +
1149 +Feature: Set the time acquisition unit for PWM input capture.
1150 +
1151 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1152 +
1153 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1154 +|=(% 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**
1155 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1156 +0(default)
1157 +
1158 +OK
1159 +)))
1160 +|(% 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" %)(((
1161 +OK
1162 +
1163 +)))
1164 +|(% 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
1165 +
1166 +(% style="color:blue" %)**Downlink Command: 0x0C**
1167 +
1168 +Format: Command Code (0x0C) followed by 1 bytes.
1169 +
1170 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1171 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1172 +
1056 1056  = 4. Battery & Power Consumption =
1057 1057  
1058 1058  
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1075 1075  
1076 1076  **Methods to Update Firmware:**
1077 1077  
1078 -* (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/]]
1079 -* 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]]**.
1195 +* (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/]]**
1196 +* 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]]**.
1080 1080  
1081 1081  = 6. FAQ =
1082 1082  
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1086 1086  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1087 1087  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1088 1088  
1206 +== 6.2 How to generate PWM Output in SN50v3-LB? ==
1207 +
1208 +
1209 +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]]**.
1210 +
1211 +
1212 +== 6.3 How to put several sensors to a SN50v3-LB? ==
1213 +
1214 +
1215 +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.
1216 +
1217 +[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1218 +
1219 +[[image:image-20230810121434-1.png||height="242" width="656"]]
1220 +
1221 +
1089 1089  = 7. Order Info =
1090 1090  
1091 1091  
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