Last modified by Bei Jinggeng on 2025/01/10 15:51
<
From version < 74.4 >
edited by Xiaoling
on 2023/08/19 15:45
To version < 53.2 >
edited by Xiaoling
on 2023/06/15 08:45
>
Change comment: There is no comment for this version

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... ... @@ -41,6 +41,8 @@
41 41  * Downlink to change configure
42 42  * 8500mAh Battery for long term use
43 43  
44 +
45 +
44 44  == 1.3 Specification ==
45 45  
46 46  
... ... @@ -78,6 +78,8 @@
78 78  * Sleep Mode: 5uA @ 3.3v
79 79  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
80 80  
83 +
84 +
81 81  == 1.4 Sleep mode and working mode ==
82 82  
83 83  
... ... @@ -105,6 +105,8 @@
105 105  )))
106 106  |(% 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.
107 107  
112 +
113 +
108 108  == 1.6 BLE connection ==
109 109  
110 110  
... ... @@ -360,7 +360,8 @@
360 360  ADC(PA4)
361 361  )))|(% style="width:323px" %)(((
362 362  Distance measure by:1)TF-Mini plus LiDAR
363 -Or 2) TF-Luna LiDAR
369 +Or 
370 +2) TF-Luna LiDAR
364 364  )))|(% style="width:188px" %)Distance signal  strength
365 365  
366 366  [[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"]]
... ... @@ -467,6 +467,7 @@
467 467  [[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"]]
468 468  
469 469  
477 +
470 470  ==== 2.3.2.6  MOD~=6 (Counting Mode) ====
471 471  
472 472  
... ... @@ -579,78 +579,6 @@
579 579  When AA is 2, set the count of PA4 pin to BB Corresponding downlink：09 02 bb bb bb bb
580 580  
581 581  
582 -==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
583 -
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:690px" %)
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:89px" %)**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 -
604 -&Digital Interrupt(PA8)
605 -)))|(% style="width:70px" %)(((
606 -Pulse period
607 -)))|(% style="width:89px" %)(((
608 -Duration of high level
609 -)))
610 -
611 -[[image:image-20230817170702-1.png||height="161" width="1044"]]
612 -
613 -
614 -When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
615 -
616 -**Frequency：**
617 -
618 -(% class="MsoNormal" %)
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）;
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**(%%)**=1, **(% lang="EN-US" %)Frequency= 1000/(%%)Pulse period（HZ）;
623 -
624 -
625 -(% class="MsoNormal" %)
626 -**Duty cycle:**
627 -
628 -Duty cycle= Duration of high level/ Pulse period*100 ~(%).
629 -
630 -[[image:image-20230818092200-1.png||height="344" width="627"]]
631 -
632 -
633 -===== 2.3.2.10.b  Downlink, PWM output =====
634 -
635 -
636 -[[image:image-20230817173800-3.png||height="412" width="685"]]
637 -
638 -Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
639 -
640 - xx xx xx is the output frequency, the unit is HZ.
641 -
642 - yy is the duty cycle of the output, the unit is %.
643 -
644 - zz zz is the time delay of the output, the unit is ms.
645 -
646 -
647 -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.
648 -
649 -The oscilloscope displays as follows:
650 -
651 -[[image:image-20230817173858-5.png||height="694" width="921"]]
652 -
653 -
654 654  === 2.3.3  ​Decode payload ===
655 655  
656 656  
... ... @@ -724,10 +724,6 @@
724 724  (% 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.**
725 725  
726 726  
727 -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.
728 -
729 -[[image:image-20230811113449-1.png||height="370" width="608"]]
730 -
731 731  ==== 2.3.3.5 Digital Interrupt ====
732 732  
733 733  
... ... @@ -874,30 +874,9 @@
874 874  [[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"]]
875 875  
876 876  
877 -==== 2.3.3.12  PWM MOD ====
809 +==== 2.3.3.12  Working MOD ====
878 878  
879 879  
880 -* (((
881 -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.
882 -)))
883 -* (((
884 -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:
885 -)))
886 -
887 - [[image:image-20230817183249-3.png||height="320" width="417"]]
888 -
889 -* (((
890 -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.
891 -)))
892 -* (((
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 -)))
897 -
898 -==== 2.3.3.13  Working MOD ====
899 -
900 -
901 901  The working MOD info is contained in the Digital in & Digital Interrupt byte (7^^th^^ Byte).
902 902  
903 903  User can use the 3^^rd^^ ~~ 7^^th^^  bit of this byte to see the working mod:
... ... @@ -913,7 +913,6 @@
913 913  * 6: MOD7
914 914  * 7: MOD8
915 915  * 8: MOD9
916 -* 9: MOD10
917 917  
918 918  == 2.4 Payload Decoder file ==
919 919  
... ... @@ -1143,32 +1143,6 @@
1143 1143  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1144 1144  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1145 1145  
1146 -=== 3.3.8 PWM setting ===
1147 -
1148 -Feature: Set the time acquisition unit for PWM input capture.
1149 -
1150 -(% style="color:blue" %)**AT Command: AT+PWMSET**
1151 -
1152 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1153 -|=(% 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**
1154 -|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1155 -0(default)
1156 -
1157 -OK
1158 -)))
1159 -|(% 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" %)(((
1160 -OK
1161 -
1162 -)))
1163 -|(% 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
1164 -
1165 -(% style="color:blue" %)**Downlink Command: 0x0C**
1166 -
1167 -Format: Command Code (0x0C) followed by 1 bytes.
1168 -
1169 -* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1170 -* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1171 -
1172 1172  = 4. Battery & Power Consumption =
1173 1173  
1174 1174  
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1191 1191  
1192 1192  **Methods to Update Firmware:**
1193 1193  
1194 -* (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/]]**
1195 -* 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]]**.
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]]**.
1196 1196  
1197 1197  = 6. FAQ =
1198 1198  
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1202 1202  * **[[Hardware Source Files>>https://github.com/dragino/Lora/tree/master/LSN50/v3.0]].**
1203 1203  * **[[Software Source Code & Compile instruction>>https://github.com/dragino/SN50v3]].**
1204 1204  
1205 -== 6.2 How to generate PWM Output in SN50v3-LB? ==
1206 -
1207 -
1208 -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]]**.
1209 -
1210 -
1211 -== 6.3 How to put several sensors to a SN50v3-LB? ==
1212 -
1213 -
1214 -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.
1215 -
1216 -[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1217 -
1218 -[[image:image-20230810121434-1.png||height="242" width="656"]]
1219 -
1220 -
1221 1221  = 7. Order Info =
1222 1222  
1223 1223  
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