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Last modified by Saxer Lin on 2025/03/18 17:25
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edited by Xiaoling
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Title
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1 -SN50v3-LB -- LoRaWAN Sensor Node User Manual
1 +SN50v3-LB LoRaWAN Sensor Node User Manual
Parent
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1 -Main.User Manual for LoRaWAN End Nodes.WebHome
Author
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1 -XWiki.Xiaoling
1 +XWiki.Saxer
Content
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1 -
1 +(% style="text-align:center" %)
2 +[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
2 2  
3 3  
5 +
4 4  **Table of Contents：**
5 5  
6 6  {{toc/}}
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17 17  
18 18  (% 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.
19 19  
20 -(% 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.
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.
21 21  
22 22  (% 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.
23 23  
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127 127  == 1.7 Pin Definitions ==
128 128  
129 129  
130 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/SN50v3-LB%20--%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20230610163213-1.png?width=699&height=404&rev=1.1||alt="image-20230610163213-1.png"]]
132 +[[image:image-20230610163213-1.png||height="404" width="699"]]
131 131  
132 132  
133 133  == 1.8 Mechanical ==
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145 145  
146 146  SN50v3-LB has different hole size options for different size sensor cable. The options provided are M12, M16 and M20. The definition is as below:
147 147  
150 +[[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-20220627104757-1.png?rev=1.1||alt="image-20220627104757-1.png"]]
148 148  
149 -[[image:image-20231101154140-1.png||height="514" width="867"]]
152 +[[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/1656298089706-973.png?rev=1.1||alt="1656298089706-973.png"]]
150 150  
151 151  
152 152  = 2. Configure SN50v3-LB to connect to LoRaWAN network =
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582 582  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
583 583  
584 584  
585 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
588 +=== 2.3.3  ​Decode payload ===
586 586  
587 587  
588 -In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
589 -
590 -[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
591 -
592 -
593 -===== 2.3.2.10.a  Uplink, PWM input capture =====
594 -
595 -
596 -[[image:image-20230817172209-2.png||height="439" width="683"]]
597 -
598 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
599 -|(% 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**
600 -|Value|Bat|(% style="width:191px" %)(((
601 -Temperature(DS18B20)(PC13)
602 -)))|(% style="width:78px" %)(((
603 -ADC(PA4)
604 -)))|(% style="width:135px" %)(((
605 -PWM_Setting
606 -
607 -&Digital Interrupt(PA8)
608 -)))|(% style="width:70px" %)(((
609 -Pulse period
610 -)))|(% style="width:89px" %)(((
611 -Duration of high level
612 -)))
613 -
614 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
615 -
616 -
617 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
618 -
619 -**Frequency：**
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**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
623 -
624 -(% class="MsoNormal" %)
625 -(% 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）;
626 -
627 -
628 -(% class="MsoNormal" %)
629 -**Duty cycle:**
630 -
631 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
632 -
633 -[[image:image-20230818092200-1.png||height="344" width="627"]]
634 -
635 -
636 -===== 2.3.2.10.b  Downlink, PWM output =====
637 -
638 -
639 -[[image:image-20230817173800-3.png||height="412" width="685"]]
640 -
641 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
642 -
643 - xx xx xx is the output frequency, the unit is HZ.
644 -
645 - yy is the duty cycle of the output, the unit is %.
646 -
647 - zz zz is the time delay of the output, the unit is ms.
648 -
649 -
650 -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.
651 -
652 -The oscilloscope displays as follows:
653 -
654 -[[image:image-20230817173858-5.png||height="694" width="921"]]
655 -
656 -
657 -=== 2.3.3 ​Decode payload ===
658 -
659 -
660 660  While using TTN V3 network, you can add the payload format to decode the payload.
661 661  
662 662  [[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/1656378466788-734.png?rev=1.1||alt="1656378466788-734.png"]]
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877 877  [[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"]]
878 878  
879 879  
880 -==== 2.3.3.12  PWM MOD ====
811 +==== 2.3.3.12  Working MOD ====
881 881  
882 882  
883 -* (((
884 -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.
885 -)))
886 -* (((
887 -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:
888 -)))
889 -
890 - [[image:image-20230817183249-3.png||height="320" width="417"]]
891 -
892 -* (((
893 -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.
894 -)))
895 -* (((
896 -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.
897 -
898 -
899 -
900 -)))
901 -
902 -==== 2.3.3.13  Working MOD ====
903 -
904 -
905 905  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
906 906  
907 907  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
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917 917  * 6: MOD7
918 918  * 7: MOD8
919 919  * 8: MOD9
920 -* 9: MOD10
921 921  
922 922  
923 923  
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1163 1163  
1164 1164  
1165 1165  
1166 -=== 3.3.8 PWM setting ===
1167 -
1168 -
1169 -Feature: Set the time acquisition unit for PWM input capture.
1170 -
1171 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1172 -
1173 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1174 -|=(% 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**
1175 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1176 -0(default)
1177 -
1178 -OK
1179 -)))
1180 -|(% 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" %)(((
1181 -OK
1182 -
1183 -)))
1184 -|(% 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
1185 -
1186 -(% style="color:blue" %)**Downlink Command: 0x0C**
1187 -
1188 -Format: Command Code (0x0C) followed by 1 bytes.
1189 -
1190 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1191 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1192 -
1193 -
1194 -
1195 1195  = 4. Battery & Power Consumption =
1196 1196  
1197 1197  
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1292 1292  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1293 1293  
1294 1294  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.cc>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.cc]]
1295 -
1296 -
1297 -
1298 -= 10. FCC Warning =
1299 -
1300 -
1301 -Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
1302 -
1303 -This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
1304 -
1305 -(% style="color:red" %)**Note:**(%%) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1306 -
1307 -—Reorient or relocate the receiving antenna.
1308 -
1309 -—Increase the separation between the equipment and receiver.
1310 -
1311 -—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
1312 -
1313 -—Consult the dealer or an experienced radio/TV technician for help.
1314 -
1315 -
1316 -This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
1317 -
1318 -This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
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