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Last modified by Saxer Lin on 2025/03/18 17:25
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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.Saxer
1 +XWiki.Xiaoling
Content
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1 -(% style="text-align:center" %)
2 -[[image:image-20230515135611-1.jpeg||height="589" width="589"]]
1 +
3 3  
4 4  
4 +**Table of Contents:**
5 5  
6 -**Table of Contents：**
7 -
8 8  {{toc/}}
9 9  
10 10  
... ... @@ -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.
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.
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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129 129  == 1.7 Pin Definitions ==
130 130  
131 131  
132 -[[image:image-20230610163213-1.png||height="404" width="699"]]
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"]]
133 133  
134 134  
135 135  == 1.8 Mechanical ==
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147 147  
148 148  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:
149 149  
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"]]
151 151  
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"]]
149 +[[image:image-20231101154140-1.png||height="514" width="867"]]
153 153  
154 154  
155 155  = 2. Configure SN50v3-LB to connect to LoRaWAN network =
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585 585  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
586 586  
587 587  
588 -=== 2.3.3  ​Decode payload ===
585 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode, Since firmware v1.2) ====
589 589  
590 590  
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 +
591 591  While using TTN V3 network, you can add the payload format to decode the payload.
592 592  
593 593  [[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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808 808  [[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"]]
809 809  
810 810  
811 -==== 2.3.3.12  Working MOD ====
880 +==== 2.3.3.12  PWM MOD ====
812 812  
813 813  
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 +
814 814  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
815 815  
816 816  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
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826 826  * 6: MOD7
827 827  * 7: MOD8
828 828  * 8: MOD9
920 +* 9: MOD10
829 829  
830 830  
831 831  
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1071 1071  
1072 1072  
1073 1073  
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 +
1074 1074  = 4. Battery & Power Consumption =
1075 1075  
1076 1076  
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1171 1171  * 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.
1172 1172  
1173 1173  * 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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