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 < 74.5 >
edited by Xiaoling
on 2023/08/19 16:07
>
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... ... @@ -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
369 +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  
588 +==== 2.3.2.10  MOD~=10 (PWM input capture and output mode，Since firmware v1.2) ====
589 +
590 +
591 +In this mode, the uplink can perform PWM input capture, and the downlink can perform PWM output.
592 +
593 +[[It should be noted when using PWM mode.>>||anchor="H2.3.3.12A0PWMMOD"]]
594 +
595 +
596 +===== 2.3.2.10.a  Uplink, PWM input capture =====
597 +
598 +
599 +[[image:image-20230817172209-2.png||height="439" width="683"]]
600 +
601 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:690px" %)
602 +|(% 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**
603 +|Value|Bat|(% style="width:191px" %)(((
604 +Temperature(DS18B20)(PC13)
605 +)))|(% style="width:78px" %)(((
606 +ADC(PA4)
607 +)))|(% style="width:135px" %)(((
608 +PWM_Setting
609 +
610 +&Digital Interrupt(PA8)
611 +)))|(% style="width:70px" %)(((
612 +Pulse period
613 +)))|(% style="width:89px" %)(((
614 +Duration of high level
615 +)))
616 +
617 +[[image:image-20230817170702-1.png||height="161" width="1044"]]
618 +
619 +
620 +When the device detects the following PWM signal ,decoder will converts the pulse period and high-level duration to frequency and duty cycle.
621 +
622 +**Frequency：**
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**(%%)**=0, **(% lang="EN-US" %)Frequency= 1000000/(%%)Pulse period（HZ）;
626 +
627 +(% class="MsoNormal" %)
628 +(% 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）;
629 +
630 +
631 +(% class="MsoNormal" %)
632 +**Duty cycle:**
633 +
634 +Duty cycle= Duration of high level/ Pulse period*100 ~(%).
635 +
636 +[[image:image-20230818092200-1.png||height="344" width="627"]]
637 +
638 +
639 +===== 2.3.2.10.b  Downlink, PWM output =====
640 +
641 +
642 +[[image:image-20230817173800-3.png||height="412" width="685"]]
643 +
644 +Downlink:  (% style="color:#037691" %)**0B xx xx xx yy zz zz**
645 +
646 + xx xx xx is the output frequency, the unit is HZ.
647 +
648 + yy is the duty cycle of the output, the unit is %.
649 +
650 + zz zz is the time delay of the output, the unit is ms.
651 +
652 +
653 +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.
654 +
655 +The oscilloscope displays as follows:
656 +
657 +[[image:image-20230817173858-5.png||height="694" width="921"]]
658 +
659 +
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  
733 +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.
734 +
735 +[[image:image-20230811113449-1.png||height="370" width="608"]]
736 +
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 ====
883 +==== 2.3.3.12  PWM MOD ====
810 810  
811 811  
886 +* (((
887 +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.
888 +)))
889 +* (((
890 +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:
891 +)))
892 +
893 + [[image:image-20230817183249-3.png||height="320" width="417"]]
894 +
895 +* (((
896 +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.
897 +)))
898 +* (((
899 +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.
900 +
901 +
902 +
903 +)))
904 +
905 +==== 2.3.3.13  Working MOD ====
906 +
907 +
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:
... ... @@ -824,7 +824,10 @@
824 824  * 6: MOD7
825 825  * 7: MOD8
826 826  * 8: MOD9
923 +* 9: MOD10
827 827  
925 +
926 +
828 828  == 2.4 Payload Decoder file ==
829 829  
830 830  
... ... @@ -854,6 +854,8 @@
854 854  * 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]].
855 855  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
856 856  
956 +
957 +
857 857  == 3.2 General Commands ==
858 858  
859 859  
... ... @@ -901,6 +901,8 @@
901 901  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
902 902  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
903 903  
1005 +
1006 +
904 904  === 3.3.2 Get Device Status ===
905 905  
906 906  
... ... @@ -949,6 +949,8 @@
949 949  * Example 3: Downlink Payload: 06000102  **~-~-->**  AT+INTMOD2=2
950 950  * Example 4: Downlink Payload: 06000201  **~-~-->**  AT+INTMOD3=1
951 951  
1055 +
1056 +
952 952  === 3.3.4 Set Power Output Duration ===
953 953  
954 954  
... ... @@ -981,6 +981,8 @@
981 981  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
982 982  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
983 983  
1089 +
1090 +
984 984  === 3.3.5 Set Weighing parameters ===
985 985  
986 986  
... ... @@ -1006,6 +1006,8 @@
1006 1006  * Example 2: Downlink Payload: 08020FA3  **~-~-->**  AT+WEIGAP=400.3
1007 1007  * Example 3: Downlink Payload: 08020FA0  **~-~-->**  AT+WEIGAP=400.0
1008 1008  
1116 +
1117 +
1009 1009  === 3.3.6 Set Digital pulse count value ===
1010 1010  
1011 1011  
... ... @@ -1029,6 +1029,8 @@
1029 1029  * Example 1: Downlink Payload: 090100000000  **~-~-->**  AT+SETCNT=1,0
1030 1030  * Example 2: Downlink Payload: 0902000003E8  **~-~-->**  AT+SETCNT=2,1000
1031 1031  
1141 +
1142 +
1032 1032  === 3.3.7 Set Workmode ===
1033 1033  
1034 1034  
... ... @@ -1053,6 +1053,37 @@
1053 1053  * Example 1: Downlink Payload: 0A01  **~-~-->**  AT+MOD=1
1054 1054  * Example 2: Downlink Payload: 0A04  **~-~-->**  AT+MOD=4
1055 1055  
1167 +
1168 +
1169 +=== 3.3.8 PWM setting ===
1170 +
1171 +
1172 +Feature: Set the time acquisition unit for PWM input capture.
1173 +
1174 +(% style="color:blue" %)**AT Command: AT+PWMSET**
1175 +
1176 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1177 +|=(% 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**
1178 +|(% style="width:154px" %)AT+PWMSET=?|(% style="width:196px" %)0|(% style="width:157px" %)(((
1179 +0(default)
1180 +
1181 +OK
1182 +)))
1183 +|(% 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" %)(((
1184 +OK
1185 +
1186 +)))
1187 +|(% 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
1188 +
1189 +(% style="color:blue" %)**Downlink Command: 0x0C**
1190 +
1191 +Format: Command Code (0x0C) followed by 1 bytes.
1192 +
1193 +* Example 1: Downlink Payload: 0C00  **~-~-->**  AT+PWMSET=0
1194 +* Example 2: Downlink Payload: 0C01  **~-~-->**  AT+PWMSET=1
1195 +
1196 +
1197 +
1056 1056  = 4. Battery & Power Consumption =
1057 1057  
1058 1058  
... ... @@ -1075,9 +1075,11 @@
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]]**.
1220 +* (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/]]**
1221 +* 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  
1223 +
1224 +
1081 1081  = 6. FAQ =
1082 1082  
1083 1083  == 6.1 Where can i find source code of SN50v3-LB? ==
... ... @@ -1086,6 +1086,24 @@
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  
1233 +
1234 +
1235 +== 6.2 How to generate PWM Output in SN50v3-LB? ==
1236 +
1237 +
1238 +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]]**.
1239 +
1240 +
1241 +== 6.3 How to put several sensors to a SN50v3-LB? ==
1242 +
1243 +
1244 +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.
1245 +
1246 +[[Reference Supplier>>https://www.yscableglands.com/cable-glands/nylon-cable-glands/cable-gland-rubber-seal.html]].
1247 +
1248 +[[image:image-20230810121434-1.png||height="242" width="656"]]
1249 +
1250 +
1089 1089  = 7. Order Info =
1090 1090  
1091 1091  
... ... @@ -1109,6 +1109,8 @@
1109 1109  * (% style="color:red" %)**20**(%%): With M20 waterproof cable hole
1110 1110  * (% style="color:red" %)**NH**(%%): No Hole
1111 1111  
1274 +
1275 +
1112 1112  = 8. ​Packing Info =
1113 1113  
1114 1114  
... ... @@ -1123,6 +1123,8 @@
1123 1123  * Package Size / pcs : cm
1124 1124  * Weight / pcs : g
1125 1125  
1290 +
1291 +
1126 1126  = 9. Support =
1127 1127  
1128 1128  
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